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
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 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:
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:
Mechanical Engineering Specialist, Senior
Location: Warrenton, 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.
Key Role:
Provide engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects, inspecting installed equipment, and overseeing and coordinating work orders, service orders, and projects. Plan, conduct, and direct projects or major phases of significant projects and coordinate the efforts of engineers and technical support staff. Manage project design or construction efforts, including scheduling, funding, and day-to-day project oversight, manage and evaluate construction contractor performance, integrate, and coordinate projects with field personnel, evaluate, validate, and manage project change requests, and provide official weekly project status reports. Assist the client's contracting officer (CO) and contracting officer's technical representative (COTR) with acquisition planning, execution, and administration, assist the CO and COTR with conducting pre-bid and pre-construction site visits with the COTR, provide invoice supporting information to the COTR for payment, and prepare and monitor project schedules and budgets, provide technical guidance and assistance on contracting and construction issues, direct design efforts, recommend construction documents for approval, and oversee any follow-on maintenance programs. Optimize performance, cost, and schedule by ensuring project objectives are achieved on schedule and at the lowest cost compatible with user requirements. Ensure timely input of all data, comments, and documentation into MAXIMO software project management tool. Ensure the integration of all systems, including information technology, telephone, security, electrical, HVAC, and plumbing.
Basic Qualifications:
10+ years of experience as a facilities professional
5+ years of experience in an assigned field, including high voltage power, mechanical systems, fire protection, or construction
Experience with the implementation or execution of design documents
Experience with reviewing design documentation and identifying deficiencies, inaccuracies, and noncompliance issues with the design intent
Knowledge of Unified Facilities Criteria (UFCs)
Ability to evaluate conditions and draft engineering memos that provide sounds engineering guidance consistent with industry best practices and all Federal, State, and Local codes
Ability to review and perform engineering calculations
TS/SCI clearance with a polygraph
HS diploma or GED
Additional Qualifications:
Experience with managing project design or construction efforts, including schedule, funding, and day-to-day project oversight
Experience with MAXIMO
Experience with new and existing building systems and site surveys and calculations
Knowledge of the ASHRAE standards, International Building Code, and pertinent NFPA publications related to mechanical systems
Knowledge of the CAD systems, AutoCAD, or REVIT
Ability to oversee and coordinate activities with the trade shops, including prioritization of work, review of ongoing projects, and inspection of installed equipment
Bachelor’s degree in Mechanical Engineering
Engineer in Training (EIT) Certification
Project Management Professional (PMP) Certification
Professional Engineer (PE) License
Mechanical Engineering Specialist, Senior
Key Role:
Provide engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects, inspecting installed equipment, and overseeing and coordinating work orders, service orders, and projects. Plan, conduct, and direct projects or major phases of significant projects and coordinate the efforts of engineers and technical support staff. Manage project design or construction efforts, including scheduling, funding, and day-to-day project oversight, manage and evaluate construction contractor performance, integrate, and coordinate projects with field personnel, evaluate, validate, and manage project change requests, and provide official weekly project status reports. Assist the client's contracting officer (CO) and contracting officer's technical representative (COTR) with acquisition planning, execution, and administration, assist the CO and COTR with conducting pre-bid and pre-construction site visits with the COTR, provide invoice supporting information to the COTR for payment, and prepare and monitor project schedules and budgets, provide technical guidance and assistance on contracting and construction issues, direct design efforts, recommend construction documents for approval, and oversee any follow-on maintenance programs. Optimize performance, cost, and schedule by ensuring project objectives are achieved on schedule and at the lowest cost compatible with user requirements. Ensure timely input of all data, comments, and documentation into MAXIMO software project management tool. Ensure the integration of all systems, including information technology, telephone, security, electrical, HVAC, and plumbing.
Basic Qualifications:
10+ years of experience as a facilities professional
5+ years of experience in an assigned field, including high voltage power, mechanical systems, fire protection, or construction
Experience with the implementation or execution of design documents
Experience with reviewing design documentation and identifying deficiencies, inaccuracies, and noncompliance issues with the design intent
Knowledge of Unified Facilities Criteria (UFCs)
Ability to evaluate conditions and draft engineering memos that provide sounds engineering guidance consistent with industry best practices and all Federal, State, and Local codes
Ability to review and perform engineering calculations
TS/SCI clearance with a polygraph
HS diploma or GED
Additional Qualifications:
Experience with managing project design or construction efforts, including schedule, funding, and day-to-day project oversight
Experience with MAXIMO
Experience with new and existing building systems and site surveys and calculations
Knowledge of the ASHRAE standards, International Building Code, and pertinent NFPA publications related to mechanical systems
Knowledge of the CAD systems, AutoCAD, or REVIT
Ability to oversee and coordinate activities with the trade shops, including prioritization of work, review of ongoing projects, and inspection of installed equipment
Bachelor’s degree in Mechanical Engineering
Engineer in Training (EIT) Certification
Project Management Professional (PMP) Certification
Professional Engineer (PE) License
Electrical Engineering Specialist, Senior
Location: Warrenton, 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.
Key Role:
Provide engineering review, coordination, and oversight for operations, maintenance, repair, and construction work, and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects, inspecting installed equipment, and overseeing and coordinating work orders, service orders, and projects. Plan, conduct, and direct projects or major phases of significant projects and coordinate the efforts of engineers and technical support staff. Manage project design or construction efforts, including scheduling, funding, and day-to-day project oversight, manage and evaluate construction contractor performance, integrate and coordinate projects with field personnel, evaluate, validate, and manage project change requests, and provide official weekly project status reports. Assist the client's contracting officer (CO) and contracting officer's technical representative (COTR) with acquisition planning, execution, and administration, assist the CO and COTR with conducting pre-bid and pre-construction site visits with the COTR, provide invoice supporting information to the COTR for payment, prepare and monitor project schedules, provide technical guidance and assistance on contracting and construction issues, direct design efforts, recommend construction documents for approval, and oversee any follow-on maintenance programs. Optimize performance, cost, and schedule by ensuring project objectives are achieved on schedule and at the lowest cost compatible with user requirements. Ensure timely input of all data, comments, and documentation into the MAXIMO software project management tool. Ensure the integration of all systems, including information technology, telephone, security, electrical, HVAC, and plumbing.
Basic Qualifications:
Additional Qualifications: