Title: Applications Developer
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.

REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE:
•Work closely with Sponsor and PM to gather requirements and contribute to the development of network-related features.
•Demonstrated experience designing and implementing cloud-based solutions including Compute, Storage, Networking, Security, and Monitoring.
•Demonstrated experience working across multi-cloud network environments.
•Apply your solid foundation of cloud networking using VNET, VPC, VPNs, firewalls, routing tables, ExpressRoutes, Direct Connects, networking protocols, and peering.
•Demonstrated experience with traffic engineering (AWS – VPC, transit gateway, CloudWatch and ELB) and (Azure – VNET, VPN gateway, Firewall, and Front Door).
•Have an understanding of cloud security principles and best practices, including identity and access management, encryption, firewall configurations, and network security groups.
•Participate in capacity planning, disaster recovery planning, and security audits.
•Create detailed documentation of network designs and configurations.
•Continuously monitor and analyze network performance metrics.
•Stay abreast on latest cloud services, features, trends, and best practices and provide recommendations on their adoption.
•Demonstrated experience with A&A workflows and tools.
•Demonstrated experience with Sponsor's security requirements and systems.
•Demonstrated experience monitoring system performance and recommending corrective action.

 

HIGH PRIORITY
This has been rescoped to a Cloud Engineering role.
This team is standing up a new network, so they need someone who has worked from ground zero standing up new network. Experience designing and implementing cloud-based solutions; cloud networking VNET, VPC, VPNs, firewalls; experience with A&A workflows and tools; cloud security best practices and system security principles for access management, encryption and networks.

Title: Senior Targeter 
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.

JOB DESCRIPTION: 
The Customer within a technical and transnational mission center is seeking technical targeting assistance with directing multiple technology-focused initiatives.  These efforts will advance collection operations against high-priority technology goals for the Customer.  The candidate will utilize all-sources, Intelligence Community databases, and cross-community relationships to develop an integrated approach to targeting emerging technology information gaps in support of Customer requirements.  Duties include, but are not limited to, the following: 
 

Required Qualifications: 

Desired Qualifications: 

 

Title: Machine Learning Engineer
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.
 

Customer Labor Category: Machine Learning Engineer – –
Customer Skill Level(s): Subject Matter Expert
Position Description: REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE
• Demonstrated experience tuning neural networks, such as LLMs, on custom data sets and applying results to specific use cases.
• Demonstrated professional or academic experience developing models and ensembles in the AI/ML space, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.
• Demonstrated professional or academic experience using Python or R.
• Demonstrated professional or academic experience with deep learning frameworks such as PyTorch, Tensorflow, or Keras. (KEY EXPERIENCE FOR CUSTOMER)
• Demonstrated professional or academic experience and proficiency with SQL to include using common table expressions, set operations, aggregated functions and nested subqueries.
• Demonstrated professional or academic experience with version control systems such as Github and Jenkins.
• Demonstrated experience leveraging GPUs for accelerated computing. (KEY EXPERIENCE FOR CUSTOMER)
HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE
• Demonstrated professional or academic experience with the HuggingFace Transformers library and hub.
• Demonstrated experience with cloud computing development and architecture.
• Demonstrated experience with front-end web development frameworks such as Flask.
• Demonstrated experience creating machine learning models that conduct text classification and topic modeling in Python using standard machine learning (SciKit Learn-) or deep learning models.
• Demonstrated experience developing applications for semantic search.
• Demonstrated professional or academic experience and proficiency with Tableau to produce visualizations and dashboards.
• Demonstrated academic or professional experience communicating methodological choices and model results.
• Demonstrated experience with verification and validation test benches.
• Demonstrated experience with Explainable AI (XAI) techniques.
• Demonstrated experience with ONNX (Open Neural Net Exchange).

Title: Web Developer
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.
 

Customer Labor Category: Web Developer – –
Customer Skill Level(s): Senior
Position Description: Required qualifications:
Minimum 1-2 years of experience developing CI/CD pipelines
Minimun 1-2 years of experience with Amazon Web Services and cloud-based infrastructure management in the customer environment
Experience with Jenkins or similar automated deployment and configuration management tools
Knowledge of git workflows and deployment proesses
Experience with software and/or development project program management
Experience with agile methodologies and best practices
Preferred qualifications:
Familiarity with automated testing tools and processes
Experience with JavaScript and JavaScript frameworks for web application development
Familiarity with development and deployment in AWS cloud environments
Experience building and deploying python applications

​​​​​​​

Title: Software Developer (Systems Software)
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.

 

Customer Labor Category: Software Developer (Systems Software) – –
Customer Skill Level(s): Expert
Position Description: ***NOTE: Focus of the applications and software solutions will be to deliver AL/ML capabilities to analysts. Customer emphasis on the following:
– Demonstrated experience using Python, Javascript, SQL, and Git
– Demonstrated experience operating in cloud environment and leveraging cloud resources to develop software solutins.
– Demonstrated experience designing and deploying software systems for intelligence analysts, displaying a deep understanding of how to fill all of the front-end and back-end parts together.
– Demonstrated experience in data visualization.
– Any particular experience working with cloud-based GPU resources and applications involving AI models such as large language models or computer vision models would be highly desirable.
.
REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE
Full Stack Software Development
• Demonstrated professional experience in the development, customization, and use of developing applications for intelligence analysis.
• Demonstrated professional experience using Python, JavaScript, and PostgreSQL stack.
• Demonstrated experience with CSS, HTML, or web based development.
• Demonstrated professional experience using containerization such as Docker or developing and deploying containerized applications and databases.
• Demonstrated experience with user-centered design principles and practices, web standards, typography and color, and web usability standards.
• Demonstrated experience using Git for versioning.
• Demonstrated experience developing algorithms to support graph theory-based methods.
.
HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE
• Demonstrated experience with Full Stack Development in Sponsor’s cloud environment.
• Demonstrated familiarity with the Sponsor’s data environment.
• Demonstrated experience working in a Sponsor analytic mission area, specifically involving research on analyst user needs.
• Demonstrated experience organizing and structuring solutions to complex problems.
• Demonstrated strong coordination and collaboration skills.
.
NARRATIVE WORK REQUIREMENTS:
The Contractor Team shall perform activities related to Full Stack Development in Sponsor’s cloud environment.
The Contractor Team shall complete all steps in the product-design process from conceptualization, detailed user interface, functional design, through implementation and usability review.
The Contractor Team shall develop innovative user-interface designs in response to marketing requirements, user analyses, product innovation, technology, and business needs.
The Contractor Team shall develop conceptual models, workflows, design prototypes, and user-interface specifications.
The Contractor Team shall ensure user-interface guidelines and standards are followed during the development and maintenance of the product.
The Contractor Team shall conduct or participate in product usability tests.
The Contractor Team shall communicate and work effectively with cross-functional team members.

 

Title: Cyber Security 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.

Responsibilities include, but are not limited to:

Creation, editing, and management of signatures, custom rules and filters for specialized network defense systems including but not limited to:

Network and host-based IDS, IPS, firewall, web application firewall

SOAR

Proxy

SIEM systems

Manage and administer the tuning of rules, signatures, and custom content for specialized CND applications and systems

Identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts

Participate in inter-agency relationships with partner organizations to facilitate mission execution

Provide innovation and creative solutions to challenging problems

Provide logical use case development

Provide and track requirements to engineering partners

Identify gaps in visibility or coverage of cyber defense systems

Prepare data analytics and reporting

Detection Assurance and rule validation

Required Qualifications:

2+ years of experience in Cyber Security, InfoSec, Security Engineering or Network Engineering with emphasis in cyber security issues and operations, computer incident response, systems architecture, data management

Experience with Mitre ATT&CK

Experience using computer programming language(s) such as Python, JavaScript, Yara or Snort

Familiarity with the following classes of enterprise cyber defense technologies:

Security Information and Event Management (SIEM) systems (Splunk and/or Splunk Enterprise Security)

SysMon

Network Intrusion Detection System/Intrusion Prevention Systems (IDS/IPS)

Host Intrusion Detection System/Intrusion Prevention Systems (EDR/IDS/IPS)

Network and Host malware detection and prevention (EDR/NDR)

Network and Host forensic applications

Web/Email gateway security technologies

SOAR

Azure

Ability to demonstrate expertise utilizing SIEM tools for use case development and application

DOD 8570 IAT Level I or CSSP-IR Certification (can be obtained after hire)

Active TS/SCI with polygraph clearance

Preferred Qualifications:

Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, or other closely related Information Technology field of study

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

Ability to effectively use analytical and problem-solving skills

 

Title: Cyber Security 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.

Responsibilities include, but are not limited to:

Provide strategic and tactical direction to cyber hunters and leadership based on trends and actionable intelligence related to threat capabilities

Coordinate hunt activities between various internal and external hunt groups 

Construct and exploit threat intelligence to detect, respond, and defeat advanced persistent threats (APTs)

Fully analyze network and host activity in successful and unsuccessful intrusions by advanced attackers

Build fly-away kits utilizing an agile approach to identify the appropriate tools and technologies necessary to conduct hunt missions

Conduct advanced threat hunt operations using known adversary tactics, techniques and procedures as well as indicators of attack in order to detect adversaries with persistent access to the enterprise

Create and add custom signatures, to mitigate highly dynamic threats to the enterprise using the latest threat information obtained from multiple sources. Perform malware analysis on samples obtained during an investigation or hunt operation to create custom signatures

Develop and produce reports on all activities and incidents to help maintain day to day status, develop and report on trends, and provide focus and situational awareness on all issues

Piece together intrusion campaigns, threat actors, and nation-state organizations

Manage, share, and receive intelligence on APT adversary groups

Generate intelligence from their own data sources and share it accordingly

Identify, extract, and leverage intelligence from APT intrusions

Expand upon existing intelligence to build profiles of adversary groups

Leverage intelligence to better defend against and respond to future intrusions

Correlate data from intrusion detection and prevention systems with data from other sources such as firewall, web server, and DNS logs

Notify the management team of significant changes in the security threat against the government networks in a timely manner and in writing via established reporting methods

Coordinate with appropriate organizations within the intelligence community regarding possible security incidents.  Conduct intra-office research to evaluate events as necessary, maintain the current list of coordination points of contact.

Review assembled data with firewall administrators, engineering, system administrators and other appropriate groups to determine the risk of a given event

Maintain knowledge of the current security threat level by monitoring related Internet postings, Intelligence reports, and other related documents as necessary

Required Qualifications:

2+ years of experience in Computer Science, Cyber Security, Security Engineering or Network Engineering, including cyber security issues and operations, computer incident response, systems architecture, data management

Experience with working nation state intrusion sets

Experience with and expert level proficiency in one or more of the following disciplines:

Windows and/or Linux operating systems

Network forensics

Expertise at enterprise scale:

SysMon or EDR solutions for host-based Cyber Threat Hunting, or

Netflow/pcap or NDR solutions for network-oriented Cyber Threat Hunting

Malware analysis/reverse engineering

Exploit development

On-net pursuit/response

Incident response, forensics, or threat hunting in AWS or Azure

Knowledge of the following classes of enterprise cyber defense technologies:

Security Information and Event Management (SIEM) systems

Network Intrusion Detection System/Intrusion Prevention Systems (IDS/IPS)

Host Intrusion Detection System/Intrusion Prevention Systems (IDS/IPS)

Network and Host malware detection and prevention (NDR/EDR)

Network and Host forensic applications

Web/Email gateway security technologies

Security Orchestration, Automation, and Response (SOAR)

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

Ability to use advanced level analytical and problem-solving skills to solve complex issues

Ability to obtain a CISSP or CEH Certification within 6 months of start date

DoD 8570 IAT Level III or CSSP-SPM within 6 months of start date

Active/Current TS/SCI with polygraph clearance

Preferred Qualifications:

Bachelor’s Degree in Electrical Engineering, Computer Engineering, Computer Science, or other closely related Information Technology field of study

​​​​​​​

Title: Project Integrator
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.
 

Position Requirements:
Operate, maintain, and evolve the Sponsor's networks and corresponding infrastructure as required within the scope of this effort.
Maintain all required approvals for the Sponsor's operation networks and document Sponsor's systems.
Ensure Sponsor's operational networks undergo the assessment and accreditation (A&A required by the Sponsor's approved methods every 24 months.
Develop and execute a response plan, with Sponsor coordination, to any findings from A&A assessments.
Coordinate stakeholder engagements, such as user requirements sessions.
Implement changes and deliver development requirements as requested by Sponsor.
Collaborate on Sponsor and third-party technical and communications solutions under Sponsor review and validate the Sponsor's requirements.
Ensure proper review and approval of all (proprietary, third party, or otherwise) technical and communications solutions via Sponsor's required methods and by various governance bodies.
Take ownership to deploy and operate and maintain Sponsor and Sponsor-approved third party technical and communication solutions.
Conduct routine analysis on all-source information of topical interest to Sponsor
Perform due diligence research on any and all technology products and companies with which the Sponsor uses in solutions or conducts business with.
Provide effective communication (oral and written) to internal and external stakeholders and partners to include reports, succinct technical summaries, test plans, etc.
Work effectively independently and collaboratively in fast-paced environment to complete tasks.
Understand and utilize blockchain/crypto currency to support Sponsor activities

 

Title: Software Engineer
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.

HOW SOFTWARE DEVELOPERS WILL MAKE AN IMPACT:
By using the following general language skillsets:
Java (AOP, IOC)
Javascript, React/Redux, AngularJS
SQL, NoSQL, Graph
C++
And applying the general required concepts:
Experienced in Microservice API development and integration (gRPC/REST)
Deploy micro and macro services in NodeJS or JBoss
Manage communication endpoints in gRPC or REST
REST based service level integration, API negotiation, Threading and Load Balancing
Heavily use ETL concepts and engines to decouple solutions
Apache NIFI
Creating and maintaining orchestration templates, modifying templates provided from unclassified teams into classified space
GraphDB, SQL and NoSQL data modeling / visualization / querying
MS SQL Server, OmniSci, Accumulo/Hadoop preferred
Reactive application development in a web browser –
Write and manage large applications in React/Redux, rxJS, Reactive Streams
Manage and bug triage legacy applications in AngularJS
Debug and troubleshoot applications in customer space
Applications range from Java to C++ at priority determined by customer
Leverage messaging engines and HA clusters
Kafka streams/ KsqlDB
Use and manage containers and orchestration such as: Docker/Kubernetes
Creating containers, deploying containers, managing container orchestration
Managing scalability of deployed software products
WHAT YOU’LL NEED TO SUCCEED:
Skilled at applying and executing highly advanced technologies, principles, theories and concepts
Willing to learn in one discipline/field and developing working knowledge in adjacent disciplines/fields
Proficient understanding and application of engineering principles, concepts, practices, and standards
Use JIRA to manage daily, sprint, and increment metrics, performance, and backlogs
Experience developing within an Agile framework; Sprints, Demonstrations, Scrum
Demonstrated ability to communicate issues, impacts, and corrective actions
Demonstrated ability to easily and effectively communicate project topics to a diverse audience
Demonstrated ability to clearly report relevant information
Demonstrated ability to anticipate technology, process, and skill needs
WHAT YOU BRING TO THE TABLE:
A Bachelor’s of Science in Engineering, a related specialized area or field and a minimum of 5 years of relevant experience or a Master's degree and a minimum of 5 years of relevant experience
Proven problem-solving skills in complex environments

 

Title: Field Engineer
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.
 

The selected candidate will work a shift to support 24/7 operations alongside various teams and perform technical activities that impact the health, maintenance, and running of systems, software, and applications, including our FMV exploitation capabilities: the Multi-INT Analysis and Archiving System (MAAS).

HOW A FIELD SERVICE REPRESENTATIVE WILL MAKE AN IMPACT

Work with collaborative teams to support technical activities that impact mission critical systems, software, and applications

Drive innovation to modernize technology and improve operations

Drive resolutions for system interdependencies/issues

Identify, recommend, and problem solve system issues to ensure systems, software, and applications are properly configured and running to meet customer needs

Support team members, end users, and other engineer teams with a focus on communicating effectively across all stakeholders in a 24/7 operational environment

Follow industry and department trends and developments to ensure services are consistent with/superior to industry best practices

REQUIRED TECHNICAL SKILLS

MS Windows 10, Server 2016, Server 2019, SQL Server 2014/ 2016/ 2019

Vshpere 6+, HP DL360+, HP MSA

Visual Studio, Eclipse, Powershell 6+, SQL Script, PHP

JBoss EAP 7.1, Active Directory, IIS 7+ MS Office Suite 2016, Symantec Anti-Virus, Veritas Back-up Exec, Mediawiki

Jira ticketing system

Basic windows script knowledge and ability to understand a batch file. This includes following the path of the configuration in the batch file; creating your own batch files to perform desired tasks; and troubleshooting batch files to see where they may be broken.

WHAT YOU’LL NEED TO SUCCEED:

5 years of related experience

Bachelor’s or Technology degree in Engineering or a related specialized area/field, OR equivalent 4 years job-related experience OR Master's degree with 3+ years of job-related experience.

TS/SCI w/ Polygraph clearance required

Strong communication and collaboration skills, a self-starter who does not need training in system administration/Tier 1 support fundamentals, and flexible enough to work on a variety of different tasks and technologies.

Experience with MAAS, Video processing and distribution experience, and SOP creation and maintenance is highly desirable.

 

Title: Systems Engineer
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.

As DevOps Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on the DevOps Engineer joining our team to support the deployment of systems and capabilities centered on our comprehensive motion imagery software suite. The DevOps Engineer will support operations of a non-internet accessible on-prem hybrid environment built primarily on Kubernetes.
HOW A DEVOPS ENGINEER WILL MAKE AN IMPACT:
• The candidate will be expected to provide an array of skills within DevOps discipline.
• Requires engineering expertise within a multi-faceted team, where the individual is willing to provide a myriad of taskings to support the mission and be willing to learn new technology and methodologies as the program evolves.
• Strong development and/or scripting skills (e.g., Bash, Python, Java, C#, etc)
• Linux OS experience
• Systems engineering experience
• Source code management tools (Git, Subversion, etc) and artifact repositories (Nexus/Atifactory, container registries, etc)
• Experience with automation tools such as Ansible, Jenkins, Rundeck, etc
• Experience with build/packaging tools such as Gradle, Maven Poetry, etc
WHAT YOU’LL NEED TO SUCCEED:
• Demonstrated experience employing DevSecOps principles, including strict configuration management, configuration-as-code, and continuous delivery
• Demonstrated experience in building, securing, and operating containers in a dynamic environment
• Experience working in a Kubernetes-based environment, including:
o A basic understanding of how Kubernetes works
o Experience using and/or administering Kubernetes clusters
o Experience building and deploying workloads using Helm
• Knowledge of container and Linux host networking
• Experience with Apache Kafka
• Experience with Elastic stack

 

Title: Data Scientist
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.

1. (Mandatory) Demonstrated experience in data architecture.
2. (Mandatory) Demonstrated experience with and understanding of database structure principles
3. (Mandatory) Demonstrated experience in data modeling and design, including SQL development and database administration.
4. (Mandatory) Demonstrated experience in data visualization, data migration and data modeling.
5. (Mandatory) Demonstrated experience in relational database management systems (DBMS).
6. (Mandatory) Demonstrated experience in DBMS software, including SQL Server.
7. (Mandatory) Demonstrated experience in database and cloud computing design, architectures and data lakes.
8. (Mandatory) Demonstrated experience in configuration and administration of enterprise level data stores, ETL and ELT methods, and batch and streaming data transport.
9. (Mandatory) Demonstrated experience gathering and analyzing system requirements.
10. (Mandatory) Demonstrated experience with Version control systems such as Git.
11. (Mandatory) Demonstrated experience with programming languages Java and Python.
12. (Mandatory) Demonstrated experience with Linux, Unix, Solaris and Windows.
13. (Mandatory) Demonstrated experience with Agile development methodologies and JIRA.
14. (Mandatory) Demonstrated experience working in a fast-paced, technically challenging area; ability to anticipate and manage changes or problems; assess impacts and recommend sound solutions.
15. (Mandatory) Demonstrated experience in systems development, including system development life cycle, project management approaches and requirements, and design and testing techniques.
16. (Desired) Demonstrated experience with Sponsor networks, systems and services.
17. (Desired) Demonstrated experience delivering solutions with AWS cloud services.
18. (Desired) Demonstrated experience with AWS Cloud storage technologies including RDS, DynamoDB and S3.
19. (Desired) Demonstrated experience in database technologies to include but not limited to Oracle, SQLServer, and Postgres.
20. (Desired) Demonstrated experience with Oracle Databases
21. (Desired) Demonstrated experience  with Full stack environment
22. (Desired) Demonstrated experience building automation tools such as Gradle, Maven.
23. (Desired) Demonstrated experience with the development of system prototypes and proof of concept in order to demonstrate proper application of design principles
24. (Desired) Demonstrated experience with the Sponsor’s authentication and authorization process.
25. (Desired) Demonstrated experience with supporting enterprise level production systems
26. (Desired) Demonstrated experience briefing technical topics to a non-technical audience.
27. (Desired) Demonstrated experience in strong oral and written communication.
28. (Desired) AWS Certification or other relevant certifications

​​​​​​​

Title: Machine Learning Engineer
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.

REQUIRED SKILLS AND DEMONSTRATED EXPERIENCE
• Demonstrated experience tuning neural networks, such as LLMs, on custom data sets and applying results to specific use cases.
• Demonstrated professional or academic experience developing models and ensembles in the AI/ML space, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.
• Demonstrated professional or academic experience using Python or R.
• Demonstrated professional or academic experience with deep learning frameworks such as PyTorch, Tensorflow, or Keras. (KEY EXPERIENCE FOR CUSTOMER)
• Demonstrated professional or academic experience and proficiency with SQL to include using common table expressions, set operations, aggregated functions and nested subqueries.
• Demonstrated professional or academic experience with version control systems such as Github and Jenkins.
• Demonstrated experience leveraging GPUs for accelerated computing. (KEY EXPERIENCE FOR CUSTOMER)
HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE
• Demonstrated professional or academic experience with the HuggingFace Transformers library and hub.
• Demonstrated experience with cloud computing development and architecture.
• Demonstrated experience with front-end web development frameworks such as Flask.
• Demonstrated experience creating machine learning models that conduct text classification and topic modeling in Python using standard machine learning (SciKit Learn-) or deep learning models.
• Demonstrated experience developing applications for semantic search.
• Demonstrated professional or academic experience and proficiency with Tableau to produce visualizations and dashboards.
• Demonstrated academic or professional experience communicating methodological choices and model results.
• Demonstrated experience with verification and validation test benches.
• Demonstrated experience with Explainable AI (XAI) techniques.
• Demonstrated experience with ONNX (Open Neural Net Exchange).

​​​​​​​

Title: Security Engineer
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.
 

Customer is seeking a Security Engineer
– An understanding of implementing security best practices and Intelligence Community (IC) compliance requirements into networking, computing, and enclave environments.

– Demonstrated experience developing and maintaining system security certification and accreditation for IT systems in accordance with IC compliance requirements.
– Demonstrated experience reviewing and evaluating customer security issues and implement corrective actions as needed.
– Demonstrated experience managing continuous monitoring responsibilities for IT systems.
– Demonstrated experience managing vulnerability scanning responsibilities for IT systems.
– Demonstrated experience supporting security planning, assessment, risk analysis and risk management using the Risk Management Framework (RMF).
– An understanding of the security requirements for the proper handling and protection of government data in the IC.
– Strong speaking, writing and presentation skills.
– Demonstrated experience with writing detailed technical documentation for installation/configuration and O&M procedures.
– Possess analytical and problem-solving skills for developing security solutions based on a set of requirements.
– Preferred certifications: Security+, Certified Information Systems Security Professional (CISSP), CompTIA’s Advanced Security Practitioner (CASP).

 

Title: Cyber Security Engineer
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.

Customer is seeking a Security Engineer
– An understanding of implementing security best practices and Intelligence Community (IC) compliance requirements into networking, computing, and enclave environments.

– Demonstrated experience developing and maintaining system security certification and accreditation for IT systems in accordance with IC compliance requirements.
– Demonstrated experience reviewing and evaluating customer security issues and implement corrective actions as needed.
– Demonstrated experience managing continuous monitoring responsibilities for IT systems.
– Demonstrated experience managing vulnerability scanning responsibilities for IT systems.
– Demonstrated experience supporting security planning, assessment, risk analysis and risk management using the Risk Management Framework (RMF).
– An understanding of the security requirements for the proper handling and protection of government data in the IC.
– Strong speaking, writing and presentation skills.
– Demonstrated experience with writing detailed technical documentation for installation/configuration and O&M procedures.
– Possess analytical and problem-solving skills for developing security solutions based on a set of requirements.
– Preferred certifications: Security+, Certified Information Systems Security Professional (CISSP), CompTIA’s Advanced Security Practitioner (CASP).

 

Title: Web Developer
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.

Python Programming – Develops web services, to include Representational State Transfer (REST) APIs, as pandas, numpy, scipy, gensim, and scikit-learn. Database technologies, including Elasticsearch and SQL databases. Data pipelines and workflow technologies, such as Apache NiFi.
Web Application Programming – Develop JavaScript/HTML/CSS web user interfaces using the Angular and Vue.js framework, including experience with, or knowledge of, additional web UI frameworks, such as React and/or Extended JavaScript (ExtJS), full-stack.
– Strong Python, JavaScript are the primary languages for the customer development efforts
– Strong NoSQL and SQL database experience, specifically with Elastic, MySQL, and /or DynamoDB
– Data modeling and database design/architecture knowledge
– Demonstrated web/web-based application development experience
– Familiarity with ETL and data pipeline best practices
– AWS cloud experience strongly preferred

 

Title: Test Engineer
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.

Required Skills:
**All Required skills must be reflected with proposed applicant's experience to be submitted for consideration**
 

Desired Skills:

 

Title: Systems Administrator
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.

Seeking a Systems Administrator to perform full lifecycle duration data management and conduct system administration and maintenance on a stand-alone network.

WORK REQUIREMENTS:

Required Skills:
**All Required skills must be reflected with proposed applicant's experience to be submitted for consideration**
 

Desired Skills:

Certifications

 

General Technical Targeting Analyst
McLean, 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.

Required Qualifications:

 

 

Title: Cloud Administrator
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.
 

The Sponsor has an engineering requirement to develop and support a hardened cloud environment that will house Human Language Technology (HLT) software. The Systems Administrator will provide engineering support to perform Operations and Maintenance (O&M) on a cloud environment and monitor performance, install patches and upgrades, and troubleshoot outages. They will provide infrastructure support to accommodate any new software capabilities that the Sponsoring office develops and support the Sponsor’s certification and accreditation efforts in coordination with security staff, software vendors, cloud service providers and other stakeholders. The Systems Administrator will also collect and provide supporting artifacts for certification and accreditation efforts and monitor the infrastructure and make adjustments to optimize performance, anticipate issues, and manage vulnerabilities. 
 

1. (Mandatory) Demonstrated experience deploying and managing computer, networking, storage, and database AWS services at an enterprise level.
2. (Mandatory) Demonstrated experience troubleshooting issues in AWS cloud environments.
3. (Mandatory) Demonstrated experience using DevOps tools in a cloud environment, such as Ansible or GitHub.
4. (Mandatory) Demonstrated experience implementing security at all layers on AWS cloud solutions.
5. (Mandatory) Demonstrated experience deploying and managing cloud-based applications.
6. (Mandatory) Demonstrated experience with Linux/Unix and Windows server system administration.
7. (Mandatory) Demonstrated experience using monitoring solutions such as CloudWatch or ELK Stack.
8. (Mandatory) Demonstrated experience working within the security constraints required for the proper handling and protection of data.
9. (Mandatory) Demonstrated experience with writing detailed technical documentation for installation and configuration.
10. (Mandatory) Demonstrated experience with writing detailed O&M procedures.
11. (Mandatory) Demonstrated experience working with Identity and Access Management (IdAM) systems such as Lightweight Directory Access Protocol (LDAP), Microsoft Active Directory, OAuth 2.0 or Security Assertion Markup Language (SAML).
12. (Mandatory) (Mandatory) Demonstrated experience building and deploying virtual desktop environments such as Citrix or Remote Desktop Protocol.
13. (Mandatory) Demonstrated experience with an understanding of writing Infrastructure-as-Code (IaC), using tools like CloudFormation or Terraform.
14. (Mandatory) Demonstrated experience working alongside architecture and engineering teams to implement scalable software services.
15. (Mandatory) Demonstrated experience administering SQL and NoSQL databases.
16. (Mandatory) Demonstrated experience managing continuous monitoring responsibilities for IT systems.
17. (Mandatory) Demonstrated experience managing vulnerability scanning responsibilities for IT systems.
18. (Desired) Demonstrated experience developing and maintaining system security certification and accreditation for IT systems in accordance with compliance requirements.
19. (Desired) Demonstrated experience supporting security planning, assessment, risk analysis, and risk management using Risk Management Framework (RMF).
20. (Desired) Demonstrated experience automating tasks using AWS Lambda.
21. (Desired) Demonstrated experience with an understanding of implementing security best practices and Sponsor compliance requirements into networking, computing, and enclave environments.
22. (Desired) Demonstrated experience with HLT systems such as Optical Character Recognition and Computer Assisted Translation.
23. (Desired) Demonstrated experience with NodeJS, ReactJS and ExpressJS.
24. (Desired) Demonstrated experience building monitoring solutions in CloudWatch and ELK Stack.
25. (Desired) Demonstrated experience building APIs using Swagger and OpenAPI.
26. (Desired) Demonstrated experience in at least one scripting language, python preferred.
27. (Desired) Demonstrated experience developing solutions in Javascript.
28. (Desired) Demonstrated experience with strong speaking, writing, and presentation skills.

 

 

Title: Software Engineer
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.
 

The Sponsor seeks software engineering and development support to create custom applications, scripts, or solutions in support of requirements for analysis on high priority intelligence issues. Software solutions experts will create custom tool sets; custom software, data extract, transform and load solutions for a wide variety of datasets and deliver those solutions via various infrastructure configurations such as on cloud infrastructure, on-premises-and-cloud hybrid infrastructure, or on local infrastructure.  The Sponsor requires a highly skilled Software Developer that will use coding best practices and adhere to security requirements to develop innovative user interface designs in response to analyst, user analyses, product innovation, technology, and business needs. The Software Developer will support or create databases to connect to applications, as necessary. The individual in this role will ensure user interface guidelines and standards are followed during the development and maintenance of the product. The individual will present design concepts and negotiate with stakeholders to arrive at a design that supports both the business need and a strong user experience. The will conduct and participate in product usability tests. The Software Developer will communicate and work effectively with cross-functional team members including but not limited to analysts, data scientists, management, project managers, and software solutions integrators. The technical professional will  maintain existing applications or developed applications per required enterprise or local requirements such as patching or other updates or upgrades. They will create or maintain documentation on technical solutions to include architecture diagrams, minimum viable product templates, user guides, user or functional testing instructions, quick references, development framework guides, APIs, and documentation related to technical solutions developed.
 

1. (Mandatory) Demonstrated experience with setting up and maintaining Cloud based DevOps functionality.
2. (Mandatory) Demonstrated experience with Java, JavaScript, Python or similar development languages and associated frameworks for applications development such as Flask, ReactJS or similar.
3. (Mandatory) Demonstrated experience working with data in, and developing applications with, Sql and NoSQL databases.
4. (Mandatory) Demonstrated experience documenting system design and architecture.
5. (Mandatory) Demonstrated strong coordination and collaboration skills with ability to work successfully across organizational boundaries.
6. (Mandatory) Demonstrated experience with performance tuning, monitoring, troubleshooting and de-bugging applications and services.
7. (Mandatory) Demonstrated experience developing, deploying and maintaining containerized applications and databases.
8. (Desired) Demonstrated experience with the Sponsor’s deployment of AWS, experience deploying applications within the Sponsor’s environment.
9. (Desired) Demonstrated experience working in an Agile software development cycle.
10. (Desired) Demonstrated experience with Sql and NoSQL databases.
11. (Desired) Demonstrated experience with geospatial data, visualization, and relevant analytic methods and tools.
12. (Desired) Demonstrated experience manipulating large datasets.
13. (Desired) Demonstrated experience with open source data engineering tools and processes.

 

Title: Software Engineer
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.
 

The Sponsor seeks software engineering and development support to create custom applications, scripts, or solutions in support of requirements for analysis on high priority intelligence issues. Software solutions experts will create custom tool sets; custom software, data extract, transform and load solutions for a wide variety of datasets and deliver those solutions via various infrastructure configurations such as on cloud infrastructure, on-premises-and-cloud hybrid infrastructure, or on local infrastructure.  The Sponsor requires a highly skilled Software Developer that will use coding best practices and adhere to security requirements to develop innovative user interface designs in response to analyst, user analyses, product innovation, technology, and business needs. The Software Developer will support or create databases to connect to applications, as necessary. The individual in this role will ensure user interface guidelines and standards are followed during the development and maintenance of the product. The individual will present design concepts and negotiate with stakeholders to arrive at a design that supports both the business need and a strong user experience. The will conduct and participate in product usability tests. The Software Developer will communicate and work effectively with cross-functional team members including but not limited to analysts, data scientists, management, project managers, and software solutions integrators. The technical professional will  maintain existing applications or developed applications per required enterprise or local requirements such as patching or other updates or upgrades. They will create or maintain documentation on technical solutions to include architecture diagrams, minimum viable product templates, user guides, user or functional testing instructions, quick references, development framework guides, APIs, and documentation related to technical solutions developed.
 

1. (Mandatory) Demonstrated experience with setting up and maintaining Cloud based DevOps functionality.
2. (Mandatory) Demonstrated experience with Java, JavaScript, Python or similar development languages and associated frameworks for applications development such as Flask, ReactJS or similar.
3. (Mandatory) Demonstrated experience working with data in, and developing applications with, Sql and NoSQL databases.
4. (Mandatory) Demonstrated experience documenting system design and architecture.
5. (Mandatory) Demonstrated strong coordination and collaboration skills with ability to work successfully across organizational boundaries.
6. (Mandatory) Demonstrated experience with performance tuning, monitoring, troubleshooting and de-bugging applications and services.
7. (Mandatory) Demonstrated experience developing, deploying and maintaining containerized applications and databases.
8. (Desired) Demonstrated experience with the Sponsor’s deployment of AWS, experience deploying applications within the Sponsor’s environment.
9. (Desired) Demonstrated experience working in an Agile software development cycle.
10. (Desired) Demonstrated experience with Sql and NoSQL databases.
11. (Desired) Demonstrated experience with geospatial data, visualization, and relevant analytic methods and tools.
12. (Desired) Demonstrated experience manipulating large datasets.
13. (Desired) Demonstrated experience with open source data engineering tools and processes.

 

 

Title: IT Program Manager
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.

The Sponsor’s office delivers critical needs at a fast pace to all of their incumbents and partners. The Sponsor’s office provides IT support to multiple locations while ensuring the best IT services are available to satisfy requirements. The Sponsor’s main objective is to leverage Sponsor and Sponsor Partner resources and manage customer expectations; working across all levels of management, other branches and services providers to define requirements, develop schedules, and mange project plans.    The Sponsor is looking for experienced IT project management resource to provide project management support to ensuring IT solutions are delivered and implemented on time and within budget.    The Sponsor requires a highly technical IT Program Manager that will perform all aspects of project management including project initiation, creation of project plan and schedule, conduct Technical Exchange Meetings (TEM), documentation, and interact with stakeholders. The individual in this role will perform overall management of the specific IT projects and ensuring that the technical solutions and schedules are implemented in a timely manner.  They will work with all levels of management, Sponsor’s divisions and branches, facilities, and service providers to define, accurately capture requirements, develop schedules and plans to include risk management plan, develop security related documentation, and manage project from project initiation to completion. The IT Program manager will lead, monitor, and track IT projects using Sponsor’s tools including but not limited to Confluence, Primavera (P6), and JIRA. The individual will create quad charts and presentations, capture meeting minutes, conduct control gates, brief project status, and keep senior management apprised of project status.  
 

1. (Mandatory) Demonstrated experience in gathering and developing business requirements, and visualizing content that would provide an enhanced understanding of the information.
2. (Mandatory) Demonstrated experience in SharePoint and Microsoft Azure.
3. (Mandatory) Demonstrated experience utilizing Agile methodologies to improve management of requirements and delivery of functions.
4. (Mandatory) Demonstrated experience in project management providing primary point of contact support leading large, complex, high priority, and high visibility IT projects while ensuring project scope and requirements are aligned and communicated across all levels of management.
5. (Mandatory) Demonstrated experience managing multiple high priority projects with competing priorities.
6. (Mandatory) Demonstrated experience managing the full project lifecycle for software and network projects using Project Management Principles (PMP), to include managing day-to-day activities, identifying dependencies and blockers, developing project timelines, presentations, deliverables, PMPs, and risk management plans.
7. (Mandatory) Demonstrated experience identifying allocated resources, and identifying over and under resources allocations.
8. (Mandatory) Demonstrated experience with teamwork ability and excellent oral and written communication skills.
9. (Mandatory) Demonstrated experience briefing project schedule, status, quad charts, and deliverables at project control gates, corporate boards, and to senior leadership.
10. (Mandatory) Demonstrated experience de-conflicting project resources and other dependencies and elevating when appropriate.
11. (Mandatory) Demonstrated experience in balancing project schedules and collaborating within project team and across organization on critical tasks.
12. (Desired) Demonstrated experience working in the Sponsor’s unsecured virtual workspace.
13. (Desired) Demonstrated experience working in Sponsor community supporting Sponsor’s mission requirements.
14. (Desired) Demonstrated experience with leading rapid development IT projects to include but not limited to software development, network, and development of applications in cloud environment utilizing Project Management Framework (PMF).
15. (Desired) Demonstrated experience with leadership skills and support team members to achieve success.

 

Title: Applications Developer
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.
 

Work requirementS

required skills and demonstrated experience

The Contractor shall have the following required skills, certifications and demonstrated experience:

Highly Desired skills and demonstrated experience

Skills and demonstrated experiences that are highly desired but not required to perform the work include:

 

Title: Systems Administrator
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.
 

Required Skills:  
All Required skills must be reflected with proposed applicant's experience to be submitted for consideration** 

Desired Skills:  

Desired Certifications: 

 

Title: Database Developer
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.

TARGET RATE: $170.00

INTRODUCTION:
SAIC, a leading provider of systems development and deployment, targeting and intelligence analysis, systems engineering and integration, and training capabilities and solutions for the Intelligence Community (IC), is seeking creative and dedicated professionals to fulfill their career goals and objectives, while delivering mission excellence on programs of national importance. 

SAIC’s National Intelligence Community (NIC) Business Unit, USG Mission and Information Technology Division, is seeking a Database Developer that is part of an integrated team to create, update, and maintain a federated search and discovery software system to integrate data related to financial information from a variety of data providers within a cloud environment. The developer will utilize an Agile Scrum development methodology throughout this process.
WORK REQUIREMENTS:
• Developing a user friendly web application
• Developing new features and enhancements to web application to allow users to search and correlate financial information related to their mission
• Developing APIs and web services
• Working at all tiers of the architecture, to include Web UI, Business Logic, and Database layer
• Creating and maintaining AWS Cloud infrastructure

1. ETL developer with Elasticsearch/Apache Spark/Scala experience
2. Active TS/SCI with polygraph
3. TYPICAL EDUCATION AND EXPERIENCE: Bachelors and fourteen (14) years or more experience; Masters and twelve (12) years or more experience; PhD or JD and nine (9) years or more experience
4.  (5) or more years of demonstrated experience in the following:
5. Working within an Amazon Web Services (AWS) cloud environment and utilizing tools such as SMS, Data Pipeline, Relational Database (RDS), Cloudwatch, EC2, EBS, S3, KMS, or SMS 
6. Developing in a DevOps environment and utilizing tools such as GitHub, Subversion, Jenkins, Maven, or Artifactory 
7. Utilizing web stack technologies and software design 
8. Working at all tiers of the architecture, to include Web UI, Business Logic, and Database layer, but mostly at the Database layer 
9. Working with financial data sets and ETLing commercial datasets as needed
10. Utilizing ElasticSearch and other big data technologies like MapReduce, Apache Spark and Scala
11. Developing software in a continuous integration, continuous deployment (CI/CD) paradigm 
12. Programming with Java and associated frameworks like SpringBoot 
13. Using tools such as Apache Tomcat, Hadoop, SOLR, JDBC, ANT, Active Directory, LDAP, Regex, SQL, or JSON 
14. Using JIRA tracking system 
15. Employing Agile development methodology 
16. Employing the Software Development Lifecycle (SDLC)

1. Demonstrated experience with security accreditation process. 
2. Demonstrated experience supporting enterprise software development efforts. 
3. Demonstrated experience integrating software with LDAP, PKI and must use services. 
4. Demonstrated experience integrating with various applications using web services and APIs. 
5. Scripting using JavaScript (JS) framework like Angular JS or EXT-JS

​​​​​​​

Title: Data Scientist
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.

INTRODUCTION:
The Sponsor provides data-driven business analysis to support senior organizational leaders. The Sponsor requires support specializing in natural language processing (NLP) and associated data preparation to help identify challenges and opportunities for the Sponsor’s customers. The Sponsor needs experienced SQL and Python skills to transform the Sponsor’s structured and unstructured data into clear and supported analytic insights to help customers with decision making related to production, resources and personnel. The work may be performed independently or within a team environment.

WORK REQUIREMENTS:
Data Science Support – HRR: NO
The Contractor shall work closely with the Sponsor’s data scientists and technical team to implement requirements; however, the Sponsor’s GTM will manage the priorities.
• The Contractor shall conduct sophisticated analysis using deployed tools and natural language processing.
• The Contractor shall analyze large amounts of raw data, including text data, to provide business insights.
• The Contractor shall preprocess or clean structured and unstructured Sponsor data, including text data.
• The Contractor shall design and implement advanced ETL code and table configurations for complex data sets. 
• The Contractor shall use Structured Query Language (SQL) in Sponsor’s Oracle database to develop and organize relevant information with supporting analytics.
• The Contractor shall independently, or with a team, author analytic publications and produce ad-hoc reports to include data visualizations using the Sponsor’s templates.
• The Contractor shall stay current with the Sponsor’s enterprise metadata collection tools. 
• The Contractor shall implement the Sponsor’s existing coordination process. 
• The Contractor shall provide technical education to staff on an ad-hoc basis.
• The Contractor shall provide subject matter expertise in NLP to support Sponsor’s initiatives

1. Demonstrated professional or academic experience performing NLP tasks, including selecting the best Python libraries for a given task, choosing appropriate pre-processing actions, performing analysis, and assessing model performance.
2. Demonstrated professional or academic experience using Python NLP packages such as Spacy, Gensim, or NLTK to analyze or process collections of documents.
3. Demonstrated professional or academic experience with deep learning frameworks such as PyTorch, Tensorflow, or Keras 
4. Demonstrated professional or academic experience with the HuggingFace Transformers library and hub.
5. Demonstrated experience creating machine learning models that conduct text classification and topic modeling in Python using standard machine learning (Scikit-learn) or deep learning models.
6. Demonstrated academic or professional experience using encoder-decoder and generative language models to perform NLP tasks.  
7. Demonstrated academic or professional experience communicating methodological choices and model results.  
8. Demonstrated professional or academic experience and proficiency with SQL to include using common table expressions, set operations, aggregated functions and nested subqueries.
9. Demonstrated professional or academic experience with version control systems such as Github and Jenkins.
10. Demonstrated experience leveraging GPUs for accelerated computing.

1. Demonstrated experience writing Python scripts that pull data from web-based APIs and relational databases.
2. Demonstrated experience with cloud computing development and architecture 
3. Demonstrated experience with front-end web development frameworks such as Flask.
4. Demonstrated experience developing applications for semantic search.
5. Demonstrated experience tuning LLMs on custom data sets and applying results to specific use cases.
6. Demonstrated professional or academic experience and proficiency with Tableau to produce visualizations and dashboards.
 

Title: Cyber Security Project Engineer
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.
 

HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE 

 

Title: Linux Systems Adminstrator

Location: McLean, 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.

Cornerstone Defense has an immediate need for a Linux System Engineer to be a member of the IT team that is the Londinium Program. The Londinium Program is comprised of linux (80%), windows (20%), virtualization, storage, network, HW, and data center engineers that works as a team and, offers rewarding opportunities to think outside the box in order to deliver innovative and sustainable IT environments to our customers. The Londinium system administrators work both independently and as a member of an integrated product team supporting a wide variety of basic and complex computing and network configurations and must have proven Linux experience.

The on-site system administrator will support the installation, configuration, maintenance, failure analysis and recovery, performance monitoring, data storage management, and security management of the data center environment. The system engineer will haveexperience in at least one, preferably two, scripting languages (shell, Perl, Powershell, Python, etc.) and shall have proven experience administering Linux operating systems in the conduct of their duties. The right candidate will have proven experience in problem solving.

Specific duties and responsibilities of the Linux System Engineer may include, but are not limited to:

Minimum Qualifications and Education:

Title: Special Access Control Officer
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.

 

1. Strong multitasking ability and scheduling skills.
2. Extensive knowledge in the use of MS Office, the Internet, and other internal applications necessary to complete routine and moderately complex tasks.
3. Excellent working knowledge of computer software to include search capability.
4. Strong interpersonal skills to maintain effective working relationships with team members and customers.
5. Ability to manage own activities and office workflow under tight deadlines.
6. Bachelor degree from an accredited institution plus at least four years professional experience in Intelligence Community.
7. Candidates resume must provide sufficient experience and/or education, knowledge, skills, and abilities to perform the duties of the specific position mentioned above.
8. Minimum years experience providing executive level administrative support.
9. Work experience can be considered in lieu of degree
10. Basic understanding of IT systems and IT systems development processes and procedures.

Title: Cyber Security Senior 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.
 

  1. Description: This position requires insight and experience into accounting and finance.  Responsibilities include: 

Process transactions in accordance with Federal Reserve Banking and finance laws
Identify financial discrepancies in customer accounts
Process financial transactions and prepare vouchers to include entitlements and invoices

Certify availability and accountability of funds as well as entitlements for payment of claims and invoices
Utilize extensive knowledge of appropriation and finance laws
Analyze and prepare reports to guarantee contracts are within negotiated and agreed-upon parameters and cost control guidelines
Perform cost and schedule risk assessments to identify and mitigate program cost and scheduling risks
Prepare financial inputs for internal reports and presentations
Perform program financial analyses and provide both external and internal reporting
Serve as the voice of client to deliver mission requirements
Define and produce documentation for status and tracking
Manage reach-back on operations and technology needs based on policies
Collaborate with Client to establish process and implementation strategies

d.  Experience/Education: 
• Must have a strong desire to deliver on customer and company commitments
• Must provide expert program management and have a strong desire to improve the customer experience
• Must have excellent notetaking skills
• Must be proficient in client reporting style
• Must be flexible with duties and responsibilities
• Must have an aggressive work ethic and ability to work unsupervised

Additional Qualifications
• TS/SCI w/ POLY
• Strong communication and coordination skills
• Strong knowledge of U.S. Banking and Finance Laws
• Experience with generating and coordinating documents using the Clients specific reporting system
• Experience with creating briefing packages and communicating to leadership both technical and non-technical audiences
• Self-starter and demonstrated ability to work independently
• Experience managing requirements for a large organization
• Able to learn quickly on the job
• Translating and simplifying complicated business and financial topics for variety of audiences
• Strong knowledge of using client internal capabilities: Microsoft Excel, Microsoft Word, Microsoft PowerPoint, SharePoint
• BS 12-15, MS 10-13. Phd 10+; additional experience can be accepted in lieu of degree

 

Title: Data Scientist
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.

Position Description:      

HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE

Title: Customer Service Support Specialist
Location: McLean, Virginia
*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.
 

 

Title: Project Integrator
Location: McLean, Virginia
*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.
 

  1. (U) Develop tailored, multi- and single- purpose technical and communications solutions according to the Sponsor’s technical and operational requirements; all designs require approval from Sponsor.
  2. (U) Ensure each new development or enhancement meets agreed upon performance service level agreements (SLAs) for system up time, users, recovery, and additional operational security benchmarks as determined by Sponsor.
  3. (U) Fully describe, document, and store on Sponsor’s systems, bespoke network architecture and interfaces, as well as any and all other bespoke technical solutions.
  4. (U) Monitor bespoke network to provide status, such as security or availability, to include a resolution plan in the event of intrusion or outage.
  5. (U) Comply with the Sponsor’s Risk Management Framework (ICD 503) to ensure that the program addresses and mitigates vulnerabilities and risks identified throughout the lifecycle of the project.

3.1 (U) Other responsibilities:

  1. (U) Operate and maintain the Sponsor’s bespoke network infrastructure as required within the scope of this effort.
  2. (U) Maintain, including any and all required approvals, for the Sponsor’s bespoke operational networks.
  3. (U) Ensure bespoke networks are A&A assessed via the Sponsor’s approved methods no later than every 24 months.
  4. (U) Develop and execute a response plan, with Sponsor coordination, to any findings from assessments.
  5. (U) Coordinate stakeholder engagements, such as user requirements sessions.
  6. (U) Implement changes and deliver development requirements as requested by Sponsor.
  7. (U) Document on Sponsor’s systems and, when and where possible, collaborate on, third-party technical and communications solutions under Sponsor review, and to validate the Sponsor’s requirements
  8. (U) Ensure proper review and approval of all (proprietary, third party, or otherwise) technical and communications solutions via Sponsor’s approved methods and by various governance bodies.
  9. (U) Take ownership to deploy and operate and maintain Sponsor-approved third party technical and communications solutions.
  10. (U) Conduct routine analysis on all-source information and environmentals of topical interest to Sponsor.
  11. (U) Perform due diligence research on any and all technology products and companies with which the Sponsor uses in solutions or conducts business with.
  12. (U) Provide effective communication (oral and written) to external stakeholders and partners, including working collaboratively and effectively in fast-paced environment.