Technical Instructional Systems Designer:
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Seeking an experienced Technical Instructional Systems Designer (TISD) to support an innovative training program for the Customer’s main technical training office. The candidate will provide TISD support to technical training classes to develop occupational skillsets and help generate dynamic content and design class activities in conjunction with other instructional designers and instructors. The candidate will support multiple training efforts, and work will revolve around content design and development of courses for technical occupational cadres, including scenario-based learning. The candidate will also be responsible for creating lesson plans and learning requirements, along with maintaining the currency of course materials and conducting course reviews to gather feedback and implement adjustments to training material. S/he will utilize project management skills to ensure effective course development and delivery. The position is located in Chantilly, VA.

Qualifications

Desired Qualifications:

Position Data Strategy Integration Expert
Work Location McLean, VA
Security Clearance TS/SCI with CI Polygraph

We are seeking an experienced Data Strategy Integration Expert to support the Office of the Director of National Intelligence (ODNI). The ideal candidate will have at least 8 years of relevant experience and will be responsible for integrating data strategy across data science, development, and subject matter expert teams. The role requires documentation and implementation of data strategies, ensuring data quality standards, and program data alignment with relevant IC policies and DNI instructions, especially ICD 504 and instruction 95.01. The candidate will monitor progress against established data goals and provide data governance information to senior leadership in various formats.

Key Responsibilities:

Qualifications:

Technical Training Instructor:
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Seeking an experienced Technical Training Instructor on a training program for technical research, development, and engineering by providing instructional expertise to newly developed courses. Initially the instructor will support the occupational onboarding course that will be approximately two weeks long and will run approximately four times per year, and longer term will include other courses as the occupational curriculum expands. The ideal candidate should be familiar with basic instructional and course design principles to help build course curriculum. The training may include blended and distance learning solutions, along with asynchronous and synchronous approaches to training. The candidate will also help carry out training evaluations, and support creation of a variety of training products such as guides, handbooks, and job aids. The training will emphasize student-centered, experiential learning that requires strong facilitation skills. The candidate will assist with asserting student performance, monitor progress and provide feedback. The candidate will assist the training team with course reviews and modifications between course running's. 

The position is located in Chantilly, VA.

Qualifications

Desired Qualifications: 

Title: Mission Engagement Campaign Manager
Location: Bethesda, MD
Compensation Range: $180k approximately
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

We are seeking a strategic and proactive Mission Engagement Campaign Manager to develop engagement strategies; design campaigns to capture analytical frameworks to further the goals of geospatial based missions; conduct both senior-level and mission-user customer engagement and outreach activities; and develop outreach campaigns.  The ideal candidate should be able to bridge the gap between technical capabilities and operational needs.

This position will require both excellent written and oral skills; exhibit strong organizational skills; be an effective communicator and be able to proactively engage with external customers; be able to thrive in a fast-paced environment and pivot between multiple activities while managing tasks efficiently; and conduct effective outreach.

Responsibilities Include:

Qualifications

Software Developer
Chantilly, VA
Active TS/SCI with Polygraph

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Job Responsibilities:

Required Skills:

Desired Skills:

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

Senior Systems Engineer
Aurora, CO
Active TS/SCI
Compensation Range: $140,000 – $160,000

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Job Responsibilities:
• Assume both financial and technical responsibility for the mission
• Collaborate with Raytheon senior leadership, government customers, and technical Subject Matter Experts to manage system development
• Oversee all aspects of the system, including architectural design, technical roadmap maintenance, and prioritization of requested functional capabilities

Basic Qualifications:
• Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years of prior relevant experience
• Experience decomposing system design
• Experience with technical proposals and/or new business development
• Agile software development experience in the role of Product Owner or Scrum Master
• Active TS/SCI security clearance

Preferred Qualifications:
• Proven ability to develop solutions that meet system performance, availability, and reliability constraints
• Strong track record of building and maintaining effective working relationships across all organizational levels, including government customers, IPT leadership, technical leads, chief engineers, and system architects
• Skilled in communicating status updates, identifying issues, and presenting resolution plans to key stakeholders—including Raytheon senior management, customers, and major subcontractors—while managing multiple concurrent project deliverables under tight deadlines
• Experience with proven record of accomplishments
• Experience with complex satellite ground systems, particularly previous deployment of developed systems to ground station operations

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

Title: Software Engineer 3 (HPC)
Location: Annapolis Junction, MD
Compensation Range: $180 -$200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description
The Software Engineer shall be responsible for performing characterization and performance tuning of various software solutions for multiple HPC node types. The Software Engineer shall collaborate with HPC SMEs, mission customers, and other stakeholders to understand their computational needs and develop efficient software solutions to meet those requirements. This position involves working with parallel computing frameworks, optimizing algorithms for parallel execution, and ensuring scalability and performance of software applications on HPC clusters.
Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Required Skills

Position Desired Skills

Title: Software Engineer 3 (HPC)
Location: Annapolis Junction, MD
Compensation Range: $180 -$200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description
The Software Engineer shall be responsible for performing characterization and performance tuning of various software solutions for multiple HPC node types. The Software Engineer shall collaborate with HPC SMEs, mission customers, and other stakeholders to understand their computational needs and develop efficient software solutions to meet those requirements. This position involves working with parallel computing frameworks, optimizing algorithms for parallel execution, and ensuring scalability and performance of software applications on HPC clusters.
Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Required Skills

Position Desired Skills

Database Administrator 
Location: Longmont, CO
Clearance: Secret but TS/SCI preferred
Schedule: 9/80
Salary: $130k – $165k

Position Overview:
We are seeking an experienced Senior Database Engineer with a minimum of 7 years of hands-on experience in database infrastructure engineering to support a complex ground infrastructure program within a national security mission space. In this role, you will take the lead in designing, implementing, and maintaining secure, scalable, and highly available database solutions across critical systems.
This is an infrastructure-focused role requiring expertise in enterprise-grade database engineering, with an emphasis on system performance, security, and fault tolerance. The ideal candidate is a self-driven technical leader who can collaborate across engineering disciplines and contribute to long-term architecture and automation efforts.

Key Responsibilities:

Qualifications:

Title: Software Developer 
Location: Tysons, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The successful candidate will work on-site in an Agile environment and will be responsible for the design, development, testing, and integration of custom software solutions. The role requires experience with modern JavaScript frameworks, microservice-based architectures, AWS, and databases.

Responsibilities:

Required Skills:

Preferred Skills/Experience:

​​​​​​​

Title: Software & Data/AI Engineer 
Location: Tysons, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

 

Description:  As a Software & Data/AI Engineer in this role, you will be tasked with the intricate process of analyzing both structured and unstructured datasets. Your primary objective will be to identify commonalities across these datasets, organize them into a uniform structure, and perform entity resolution on the unstructured data. This will require a deep understanding of Python development and a proven track record of handling diverse data types. You will be expected to leverage your strong AI experience, particularly with large language models and GenAI, to implement a Chatbot-style interface that will serve as a critical touchpoint for stakeholders. Your role will also involve the design, architecture, and prototyping of complex AI-based systems that are essential for the organization's data management strategy.
Your technical toolkit should include proficiency in working with vector databases and SQL, as well as a solid grasp of User Interface implementation using frameworks such as React or Angular. Familiarity with AWS cloud architecture will be crucial as you will be responsible for deploying AI models that can process a wide array of structured and unstructured data formats. The ability to clean data for ingestion and analysis is also a key part of your role, ensuring that the data is primed for optimal AI model performance. Your success in this position will be bolstered by your capacity to examine data holdings and use cases critically, enabling you to determine the most effective approach for grooming data for the AI systems you will be developing.
To excel in this position, you should bring a wealth of experience in AI model optimization, which will be central to your daily responsibilities. Your role will require you to integrate Large Language Model chatbots, a cutting-edge technology that will enhance the organization's data interaction capabilities. The ability to navigate and implement vector databases will be essential, as this forms the backbone of the data structuring process. Your success will be measured by your ability to seamlessly integrate AI models that effectively manage the organization's diverse data formats. Your innovative approach to AI-based architecture will not only streamline data processes but also set new standards for data management within the organization.

Here is what you need:

  • Python development    
  • Handling structured and unstructured data
  • Entity resolution
  • Strong AI experience working with large language models and GenAI
  • Experience working with vector databases
  • SQL
  • User Interface implementation using Javascript, React, Angular or a similar framework
  • Experience integrating APIs
  • AWS cloud architecture
  • AI model optimization
  • Ability to examine data holdings and use cases to determine best approach for grooming data

Bonus if you have:

  • Field specific skills or certifications related to AI, data analysis, or software engineering

​​​​​​​

Title: Data Engineer 
Location: Chantilly, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Develop new tools, code, and services to execute data engineering activities involving data of varying types and in varying conditions. Activities include the following tasks: Movement of structure and unstructured data using approved methods. Execute data ingestion activities for storing data in a local or enterprise level location. Develop code to format data that supports exploration. Analyze source data formats and work with Data Scientists and partners to determine the formats and transforms that best meet mission objectives. Develop code and tools to provide one-time and on-going data extraction from various repositories, formatting and transformations into enterprise or standalone data models. Develop new ETL and perform O&M and enhancements on existing ETL code using best practices/standards. Develop and deliver documentation for each project including ETL mappings, code use guide, code location and access instructions.

Required Skills:

​​​​​​​

Title: Cloud Security Engineer
Location: Herndon, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Seeking a motivated, career and customer-oriented Cloud Security Engineer to join our team in Herndon, VA. Join a team of cybersecurity experts that protects and defends the largest target in the world. As a Cloud Security Engineer on our team, you will utilize the latest tools available and assist in creating new ones while allowing you to advance the nation's information security posture. Responsibilities include but are not limited to:

Minimum Qualifications:

Preferred Qualifications:

 

Title: Cyber Threat Hunt Analyst
Location: McLean, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Seeking a Cyber Threat Hunt Analyst to join our Cyber Security Operations Center (CSOC) in McLean, VA. The ideal candidate will have a deep understanding of cyber threat hunting, advanced persistent threats (APTs), and the latest tactics, techniques, and procedures (TTPs) used by adversaries. Join us and play a vital role in our nation’s security by helping to enhance our security posture. Responsibilities include but are not limited to: Conduct threat hunting activities to detect advanced threats that evade traditional security solutions and continuously monitor and analyze threat intelligence sources to stay informed about emerging threats. Search for signs of malicious activity in our network and systems. Develop and implement new and innovative threat detection techniques and strategies. Analyze large datasets to identify patterns and anomalies indicative of malicious activities. Collaborate with other CSOC team members and stakeholders to respond to and investigate security incidents. Provide detailed reports and briefings on threat hunting activities and findings to senior management. Develop and maintain threat hunting playbooks, processes, and procedures. Perform in-depth forensic analysis to understand the nature and impact of threats. Participate in the development and refinement of security monitoring and incident response tools and processes.
Minimum Qualifications:

Preferred Qualifications:

Title: Python Developer 
Location: Herndon, VA
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

  Create robust and resilient data pipelines to connect data sources to analytics tools
·         Work with various analysts to craft requirements
·         Enumerate the necessary datasets and design the data model and schemas to support the requirements
·         Provide platform support, including problem solving and debugging, for production issues
·         Interact and collaborate across the services and communities involved in multi-domain Cyber Defense to achieve breakthrough improvements in capabilities
 
 
 
Basic skills
          Experience coding in Python.
          Solid understanding and experience with Database Management, SQL, PostgreSQL.
          Experience with ETL tools/data transformation/data pipeline.
          Experience taking data collection requirements and translating those requirements into implementable solutions.
          Critical thinking and problem-solving skills, ability to design solutions and troubleshoot issues effectively.
          Analyze data sources for accuracy, data prioritization, and apply appropriate logic to developed solutions.
          Communication skills to collaborate with colleagues via multiple communications channels.
          Linux experience
 
Desired Skills
          Experience with Javascript/NodeJS

​​​​​​​​​​​​​​

Senior Linux Systems Administrator
Aurora, CO
Active TS/SCI with Poly
Compensation Range: $125,000 – $145,000

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Job Responsibilities:

Basic Qualifications:

Preferred Qualifications:

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

Software Engineer
Aurora, CO
Active TS/SCI w/ Poly
Compensation Range: $125,000 – $140,000

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Job Responsibilities:

Required Skills:

Title: Software Engineer 3 (RAG)
Location: Annapolis Junction, MD
Compensation Range: $180 -$200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

SWE-3 Qualifications: Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Description:
The Software Engineer shall be responsible for the design, development, and deployment of a Retrieval Augmented Generation (RAG) solution deployed in a HPC Linux environment. Candidates applying for this position must be familiar with LLMs (Large Language Models), LLM orchestration frameworks, knowledge retrieval, and security-aware AI systems.
Position Required Skills:

Position Desired Skills:

Title: Software Engineer
Location: Chantilly, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Basic Qualifications
• Bachelor’s Degree in Computer Science, Information Systems, Engineering or related STEM degree and a minimum of 9 years related experience.
• Experience with Software Architecture
• Requirements definition – to include iterative derivation of requirements with customer input
• Must have 8+ years development experience with C#
Preferred Qualifications
Candidates with these desired skills will be given preferential consideration:
• 5+ years experience with Java, Android
• 3+ years experience with C, C++, and/or Assembly
• 2+ years experience with PowerShell
• 2+ years experience leading a software development team

 

Title: Test Engineer
Location: Hanover, MD
Compensation Range: $170 -$190K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Core Tasks:

Requirements:

Title: Data Scientist
Location: Falls Church, VA
Clearance: TS/SCI w/ CI poly

Duties & Responsibilities:
• MLOps, Model Engineering, Training on time series data.
• After few weeks training on Customer's AI platform, develop AI-based applications using Customer's platform for operational cloud-deployed and secure lab deployed AI-based applications.
• Develop candidate models that are promoted to active models when their performance meets threshold.
• Train, validate and deploy machine learning pipelines
• Test, troubleshoot, and enhance customer AI-based applications based on feedback.
• Manage individual project deliverables
• Identify application performance bottlenecks and implement optimizations
• Write application specifications and documentation
• Articulate methodologies, experiments, and findings clearly in actionable way.
• Work in a fast-paced environment.
• This is NOT a data analytics role using Tableau or PowerBI.
• This is NOT an ETL & SQL role.
• This is NOT a R&D role prototyping at low TRL.

Required Skills:
• Bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM), or comparable area of study. No experience in lieu of.
• 5+ years of Data Science development experience using Python
• Proficiency in data science, machine learning, and analytics, including statistical data analysis, model and feature evaluations.
• Strong proficiency in NumPy & PANDAS.
• Demonstrated skills with Jupyter Notebook or comparable environments
• Practical experience in solving complex problems in an applied environment, and proficiency in critical thinking.
• Candidates require a TS to start. TS/SCI with Polygraph preferred

Preferred Skills:
• Degree in Data Science, Machine Learning, Computer Science, Engineering, Statistics, or equivalent fields
• Strong mathematical background (linear algebra, calculus, probability & statistics)
• Experience with machine learning model training and analysis through open-source frameworks (Pytorch, Tensorflow, Sklearn)
• Experience crafting, conducting, analyzing, and interpreting experiments and investigations.
• Experience with modern software development tools and practices (Git, pull requests)
• Experience analyzing model performance with relevant metrics and optimizing.
• Familiarity with AI agent frameworks
• Ability to drive a project and work both independently and in a team
• Smart, motivated, can do attitude, and seeks to make a difference
• Excellent English communication and collaboration skills, particularly in multidisciplinary teams with data scientists, software engineers, product owners, & solution architects.

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
 

Title: Data Scientist
Location: Reston, Virginia

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
 

Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

Job Description
Seeking a Data Scientist responsible for working closely with Client’s Customer Engagement project teams to provide the customer with business analysis expertise, dashboard design in a tactical capacity, evaluate internal and external client requirements, and implement effective solutions in a timely manner.
The selected candidate will leverage their analytical skills and expertise in predictive analytics to extract insights from complex datasets and drive data-driven decision-making within our client’s user community. They will collaborate closely with cross-functional teams to develop predictive models, uncover actionable insights, and solve challenging business problems. 
Job Requirements:

Required Experience.

Desired Experience:

Title: Agile Program Manager
Location: Bethesda, MD
Compensation Range: $195k approximately
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

We are seeking a motivated, career and customer-oriented Agile Program Manager to join our team at Bethesda, MD, to provide unparalleled support to our customer and to begin an exciting and rewarding career. We are seeking an experienced Agile program management SME to lead and support our Agile program management transformation journey. The ideal candidate will have a deep understanding of Agile methodology (e.g., Scaled Agile (SAFe)) principles and practices, with a proven track record of implementing Agile methodologies across various teams and projects. The Agile program management SME will work closely with cross-functional teams, stakeholders, and leadership to drive continuous improvement and ensure successful delivery of high-quality products and services.

Key Responsibilities:

Qualifications

Title: Usability/Human Factors Engineer
Location: Annapolis Junction, Maryland
Compensation Range: $145 – $165K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Description:
Seeking a Usability/Human Factors Engineer to join the software development team who will develop and sustain integrated, feature-rich capabilities that promote modernization of visualization and presentation tools. The software development team will provide application development and support to tools that allow mission analytic users to view existing data or contribute new information in a collaborative environment.
The Usability/Human Factors Engineer will focus on solving user experience challenges on a highly complex application used by a wide range of users. The Usability/Human Factors Engineer works with developers, managers, and system engineers to keep the product modern and cutting edge. Additionally, the Usability/Human Factors Engineer 2 will research and document user workflows, design and create mockups, engage with users, and interact with the development teams using tools such as Axure and Adobe Creative Cloud Suite.
Additional information:

Required Education:

Individual Capabilities Required:

Title: Senior Red Hat Enterprise Linux (RHEL) 9 Consultant
Location: San Antonio, Texas
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Position Overview:
We are seeking highly skilled and motivated Senior RHEL 9 Consultants to support a mission-critical government program in a secure environment.
The ideal candidate will possess strong expertise in Red Hat Enterprise Linux (RHEL) 9, with a deep understanding of Red Hat Ansible Automation Platform (AAP) at Level 2 or higher. The role involves working closely with infrastructure technologies, including OpenShift Container Platform (OCP), Red Hat Satellite (SAT), and Red Hat Trusted Application Pipeline.

Key Responsibilities:

Required Qualifications:

Preferred Qualifications:

Title: Digital Network Exploitation Analyst Lvl 3/Lvl 4
Location: Anchorage, AK

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Responsibilities:

Education:
Degree in Computer Science. Degree in related fields (e.g., Engineering, Mathematics) may be considered relevant if programs contain a concentration of courses in the following foundational CS areas: algorithms, computer architecture (not network architecture), programming methodologies and languages, data structures, logic and computation, and advanced mathematics (for example, calculus, discrete mathematics). Information Technology (IT) and Information Security (IS) degrees may be considered relevant if the programs contain the amount and type of coursework equivalent to a Computer Science (CS) major.

Desired Experience:
Relevant experience must be in computer or information systems design/development/analysis roles.  In addition, it may also include engineering hardware and/or software, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, and/or network and systems administration.  Completion of military training in a relevant area such as JCAC (Joint Cyber Analysis Course) may be considered towards the relevant experience requirement (i.e., 24-week JCAC course may count as 6 months of experience).

​​​​​​​

Title: Data Engineer
Location: Herndon, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
 

We are looking for a skilled Python Data Engineer to join our team. As a Python Data Engineer, you will be responsible for designing, developing, and maintaining data pipelines. We are looking for someone to design, build, and optimize systems for data collection, storage, access, and analytics at enterprise scale. Join a team that creates data pipelines to collect and convert raw Cyber related data into formats usable by our cyber analysts and data scientists. Collaborate within and across teams to support delivery and educate end users on complex data products/analytic environment. Perform data and system analysis, assessment and resolution for complex defects and incidents and correct as appropriate. Your role and responsibility are to make data available, accessible, and secure to stakeholders.

Responsibilities include, but are not limited to:

* Build and operationalize complex data solutions, correct problems, apply transformations, and recommending data cleansing/quality solutions.

* Operate and manage a custom codebase and its integration with open-source/vendor data platforms and products.

* Perform analysis of complex sources to determine value and use and recommend data to include in analytical processes.

* Incorporate core data management competencies including data governance, data security and data quality.

* Test data movement, transformation code, and data components.

* Create robust and resilient data pipelines to connect data sources to analytics tools

* Platform support including problem solving and debugging, especially for production issues.
 

* At least 5 years of hands-on experience in an enterprise-scale environment

* Experience in developing, testing, implementing, and maintaining complex information technology applications, systems, services

* Knowledge of drafting technical program documentation, such as end user operational instructions or training guidelines

* Experience in software engineering with Python and using software version control systems (e.g., Git)

* Knowledge of file formats (e.g., JSON, XML)

* Knowledge of data platforms (e.g., Elasticsearch/Kibana, Splunk)

* Fundamental knowledge of the data ETL pipeline, including retrieval (e.g., API consumption /integration), extraction, transformation, normalization, enrichment, correlation, and storage

* Full Scope Clearance

 

* Experience in analyzing and defining local and enterprise information system requirements, perform system/application design, develop capability prototypes, and transition applications to production

* Familiarity with Cloud services (e.g., Lambdas, EC2s. and S3)

* Research and analytical skills

* Excellent problem-solving skills

* Strong organizational skills and attention to detail

* Strong presentation skills to brief others on your findings and recommendations

* Solid Teamwork Skills – the ability to collaborate with others who are conducting research in the same, similar, or different areas

Title: Network Engineer/Analyst
Location: Herndon, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
 

We are seeking a Cyber Network Defense Analyst in Herndon, VA. As a Cyber Network Defense Analyst on our team, you will use your expertise in Host Based Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and specialized network defense to provide innovative and creative solutions to challenging cyber security problems. Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems. Identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture.

Responsibilities include, but are not limited to:

* Provide malicious code detection, intrusion detection, and information security tool development and integration.

* Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.

* Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.

* Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.

* Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.

* Create, edit, and manage signatures, custom rules and filters for specialized network defense systems including but not limited to, Network and host-based IDS, IPS, firewalls and web application firewalls, Security Orchestration, Automation and Response (SOAR), Proxy, and Security Information and Event Management (SIEM) systems

* Prepare data analytics and reporting.

 

* 15 years of experience in Network Defense, Network Operations, Cybersecurity, Network Engineering, Security Engineering, Information Security, Systems Architecture or Data Analysis

* Experience writing script in programming languages such as Python, JavaScript, Yara or Snort

* Experience using SIEM tools for case development and application

* Experience with network security applications, protocols, and associated hardware

* Knowledge of enterprise cyber defense technologies such as SIEM systems, SysMon, network and host based IDS and IPS, network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, forensics tools and applications, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) and cloud based platforms such as Azure, AWS, or Google

* Experience with MITRE ATT&CK

* Experience with Splunk or Splunk Enterprise Security

* Full Scope Clearance
 

* Ability to demonstrate interpersonal, organizational, writing, communications, and briefing skills

* Ability to effectively use analytical and problem-solving skills

* Provide logical use case development.

* Provide and track requirements to engineering partners.

* Identify gaps in visibility or coverage of cyber defense systems.

Title: Cyber Technical Analyst Advisor
Location: Chantilly, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Tasks:
Cyber intrusion investigations
Review and analysis of cyber security trends
Technical solutioning

Requirements:
Strong understanding of cybersecurity
Familiarity with custom toolsets
Understanding of computer networks and vulnerabilities analysis
Previous experience with AI/ML solutioning
Demonstrated ability to create custom scripts
Creation of data visualizations

Key Skills:
Strong understanding of cybersecurity principles and ability to provide assessments.
Understanding of ML/AI processes and be able to evaluate the efficiency of models
Understanding of networks and various networking architectures
Scripting ability to be able to manipulate and parse through unstructured and structured datasets (Powershell, Python, SQL)
Proficiency in visualizations
Familiarity with sponsor tools
Desired Skills:
Ability to convey technical topics or conclusions to audiences of varying technical literacy
Previous experience analyzing Advanced Persistent Threat (APT) actors
Experience working with AI/ML processes and assessing model efficiency

Education Requirement

 Experience Requirement

​​​​​​​

Title: Network Engineer
Location: Annapolis Junction, MD
Compensation Range: $205 – $225K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Core Tasks:

Requirements:

Preferred:

Title: Graph Database Engineer
Location: Chantilly, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

JOB DESCRIPTION
We are looking for an experienced Systems Software Engineer to join our team, interested in designing, developing and maintaining essential software systems. The optimal candidate will have demonstrated experience integrating solutions with graph databases, such as JanusGraph. They will also have a strong background in systems software development, experience with 3rd party system integration, expertise in ElasticSearch, and a solid understanding of data modeling concepts. This is a fantastic opportunity to work on a challenging project that requires innovative solutions and collaborative problem-solving.

KEY RESPONSIBILITIES

EDUCATION AND EXPERIENCE

REQUIRED QUALIFICATIONS

DESIRED QUALIFICATIONS

 

Title: Data Engineer

Location: Herndon, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

Network Engineer
Reston, VA

Position Overview:
We’re looking for a skilled Network Engineer with virtualization experience to join our team! In this role, you will play a crucial part in designing, implementing, and building our low-side network services that support the program. The successful candidate will possess a strong understanding of network architecture, networking protocols, virtualization technologies and security measures essential for maintaining high availability and performance in hybrid cloud environments and will collaborate with various teams to ensure seamless integration of cloud services, optimizing network infrastructure to support application performance and reliability. You will troubleshoot and resolve network-related issues, leveraging your expertise to enhance operational efficiency and support business objectives. This position requires a proactive individual who can stay current with network industry trends and emerging technologies. We value collaboration and innovation, and we're excited to have someone who enjoys problem-solving and is eager to learn new technologies.

Responsibilities
• Design and implement a secure networking solution currently on-prem to a hybrid version built on AWS.
• Monitor network performance and troubleshoot issues as they arise.
• Configure and maintain routers, switches, and other networking hardware.
• Ensure network security through effective management of firewalls and VPNs.
• Collaborate with the “in house” development teams to integrate new technologies into the existing network.
• Collaborate with ISSEs to establish best practices for network security.
• Monitor network performance and troubleshoot connectivity issues across the environment.
• Implement robust security measures to protect sensitive data and ensure compliance with regulatory standards.
• Prepare documentation for network configurations and procedures.
• Conduct regular assessments, audits and scans of network systems to enhance security and performance.
• Develop and maintain network documentation, including diagrams and operational procedures.
• Stay current with industry trends and emerging technologies in cloud & networking.
• Champion automated solutions for network monitoring and management.

Required Skills:
• Bachelor's Degree in Computer Science, Information Technology, or a related field.
• Proven experience working with hybrid networks, commercial cloud platforms, or similar role, particularly in the Defense & Intelligence Communities.
• Experience with scripting languages such as Python or Bash for automation.
• Strong knowledge of at least one of the providers (AWS, Azure, Google Cloud Platform, etc)
• Familiarity with networking protocols and technologies, including TCP/IP, VPNs, VPCs and firewall technologies, both on-prem and virtual.
• Excellent troubleshooting, problem-solving skills and the ability to work collaboratively in a team-oriented environment.
• Strong communication skills and the ability to work independently
• TS/SCI

Desired Skills:
• Experience with network monitoring tools.
• Familiarity with virtualization technologies and SDN concepts.
• AWS Certified Solutions Architect, CompTIA Network+, or equivalent certification is highly desirable.

Title: Intelligence Analyst 2
Location: Vienna, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Description
We are looking for a Junior Intelligence Analyst ready to be a member of a dynamic and fast paced intel analysis program for a federal agency supporting the US Government’s threat watchlisting and screening mission. As a Junior Intelligence Analyst, you will provide embedded analysis and reach back support to a federal agency and their partners. You will provide multi-source intelligence analysis and fusion that integrates existing national-level products and databases to define patterns of operations. As required, you will interact directly with government leadership and deployed intelligence consumers during the development of intelligence products and ongoing screening operations to meet intelligence requirements across the watchlist enterprise. Duties may include the processing and verification of national security threat actor nominations, data integrity/quality control, encounter management, information sharing, and/or multiple discipline intelligence analysis.
Primary Responsibilities:

Basic Qualifications:

Preferred Qualifications:

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Title: Intelligence Analyst 4
Location: Vienna, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Description
We are looking for a Senior Intelligence Analyst ready to be a member of a dynamic and fast paced intel analysis program for a federal agency supporting the US Government’s threat watchlisting and screening mission. As a Senior Intelligence Analyst, you will provide embedded analysis and reach back support to a federal agency and their partners. You will provide multi-source intelligence analysis and fusion that integrates existing national-level products and databases to define patterns of operations. As required, you will interact directly with government leadership and deployed intelligence consumers during the development of intelligence products and ongoing screening operations to meet intelligence requirements across the watchlist enterprise. Duties may include the processing and verification of national security threat actor nominations, data integrity/quality control, encounter management, information sharing, and/or multiple discipline intelligence analysis.
Primary Responsibilities:

Basic Qualifications:

Preferred Qualifications:

Title: Intelligence Analyst 3
Location: Vienna, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Description
We are looking for a Mid Level Intelligence Analyst ready to be a member of a dynamic and fast paced intel analysis program for a federal agency supporting the US Government’s threat watchlisting and screening mission. As a Mid Level Intelligence Analyst, you will provide embedded analysis and reach back support to a federal agency and their partners. You will provide multi-source intelligence analysis and fusion that integrates existing national-level products and databases to define patterns of operations. As required, you will interact directly with government leadership and deployed intelligence consumers during the development of intelligence products and ongoing screening operations to meet intelligence requirements across the watchlist enterprise. Duties may include the processing and verification of national security threat actor nominations, data integrity/quality control, encounter management, information sharing, and/or multiple discipline intelligence analysis.
Primary Responsibilities:

Basic Qualifications:

Preferred Qualifications:

Title: Intelligence Analyst SME 3
Location: Vienna, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Description
We are looking for a Senior Intelligence Analyst Subject Matter Expert ready to be a member of a dynamic and fast paced Intelligence Analysis program. The successful Analyst provides intelligence support to a federal agency in support of the US Government’s threat watchlisting and screening mission. Duties may include the processing and verification of national security threat actor nominations, data integrity/quality control, encounter management, information sharing, and/or multiple discipline intelligence analysis.
The Senior Intelligence Analyst SME analyzes highly complex problems, applies expert level analytic tradecraft, and uses conceptualizing, reasoning and interpretation to identify solutions. A successful Senior Intelligence Analyst SME must have good interpersonal skills and work well with others, possess excellent written and verbal communication skills, and have the ability to engage with senior executive leadership (internally or client) regarding matters of strategic importance.
Primary Responsibilities:

Basic Qualifications:

Preferred Qualifications:

 

Title: .NET Developer
Location: Chantilly, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Position Summary:
The Junior Software Developer will plan, design, develop, and test new software by applying programming techniques and their knowledge of computer systems. The Junior Software Developer implements designs by writing computer programs and updating, maintaining, and repairing existing programs. Work is performed under general guidance.

Core Values:
– Demonstrates the ability to work effectively under pressure with minimal supervision.
– Displays reliability through consistent attendance, follow-through, and task completion.
– Shows teamwork by collaborating with others, maintaining a positive attitude, and communicating openly, consistently, and directly. Listens actively to others.
– Ensures customer satisfaction by delivering exceptional customer service. Takes initiative and acts responsibly. Exhibits flexibility within established parameters.

Skills:
– C# and VB
– ASP.NET Web Forms, MVC
– SQL Database
– HTML, CSS, and JavaScript
– Responsive Web Design
– Web API or SOA experience
– LINQ to SQL
– Entity Framework
– Bootstrap, jQuery
– Azure Cloud Services

Essential Job Functions:
– Plan, install, and maintain large, complex application software; provide technical assistance to system users in accordance with relevant information systems policies, procedures, methods, and techniques.
– Design each component of a complex system, including storage, business logic, and user interface.
– Write programming code for Windows, websites, and databases.
– Design software for various form factors, from large desktops to mobile phones.
– Develop, install, and maintain complex software applications; prepare and update user manuals and system documentation; evaluate new software and recommend changes as necessary.
– Evaluate and assess client needs; suggest project priorities.
– Evaluate and test system upgrades and applications; troubleshoot software-related issues.
– Perform system maintenance activities; uphold system security; grant or revoke system access.
– Respond to user inquiries regarding system operations; offer solutions to problems or refer users to the appropriate staff, including supervisors, employees, and the public.
– Coordinate and conduct user training for relevant software applications; create user training manuals and written standards and procedures; update and maintain user and training manuals as necessary.
– Prepare project cost estimates and justifications for new or enhanced system modifications; evaluate bids and recommend vendor selections.
– Plan, design, and implement application databases; maintain database security and user access; design, create, and manage physical objects, including tables, files, libraries, and indexes to support computer applications using database management systems; monitor database performance and troubleshoot issues.
– Stay current with new trends and innovations in the information technology field.
– Perform related duties and responsibilities as required.
 

Title: Interpreter
Location: Germantown, MD

*Clearance: *Active Secret or Top Secret needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Job Summary:
Cornerstone Defense is looking for a Secret or Top Secret cleared individual to perform interpretation/translation in support of ROK military CWMD capability development. Our team conducts military capability studies and provides train, advise, and equip services on behalf of a USG client.  We have a PMO in Seoul but work throughout ROK. Interpretation services would include consecutive (simultaneous capability preferred) interpretation at appropriate venues during workshops, briefings, and engagements to combined audiences including up to general officers and civilian representatives from ROK MND.
 
Job Responsibilities:

Title: Mission Integration Support
Location: McLean, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Cornerstone Defense is is looking for an experienced general management consultant (at least 7+ years) with AI/ML experience/knowledge to support the office's Chief of Mission Integration. The candidate should be adept at briefing and talking point development, have critical thinking skills, strong communication skills (verbal and written), is detail oriented, experience supporting a front office. 
 

Title: Sr. Database Adminstrator – Postgres, MySQL, and Oracle Database
Location: Annapolis Junction
Compensation Range: 
$180 – 200k
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Description:
Sr. Database Administrator with 10+ years experience supporting large scale or enterprise level database services.
Required Skills:

Qualifications:

Python Developer: works as part of a team to implement functionality as part of multiple efforts to build data processing applications while taking ownership of architectural design components, technical implementations, and the software development lifecycle. A successful developer will be able to implement functionality to interface with an existing system, as well as writing new functionality to interface with various open-source tools. Knowledge of the software development lifecycle is a must, as the developer will help translate requirements into user stories to be implemented as part of a team. As part of the implementation phase, the developer is expected to include automated tests as part of the CI/CD pipeline to validate the code that is being written. Knowledge of the cloud software deployment process is also key, including familiarity with parallel processing in Python, large data processing using packages such as PySpark, and optimizing Python code for deployment as part of a containerized architecture. 
Role Highlights:

Required Skills:

Preferred Skills/Experience: