HPC Software Engineer Colorado Springs, CO Active TS/SCI with Polygraph Salary Range: $140,000 – $230,000 We are seeking a mid-career level HPC Software Engineer that will work in a High Performance Computing (HPC) Research and Development (R&D) customer contract. The candidate will be an active member of the Technical User Support (TUS) team, interacting with the […]

Title: Software Engineer 1 (Backend Development & Test) Location: Annapolis Junction, MD Compensation Range: $150 – $170K *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 […]

Title: Senior Network Analyst Location: Hanover, MD Compensation Range: $190 – 210K Clearance: Active TS/SCI w/ Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving […]

Systems Engineer: *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 […]

Integration Engineer Chantilly, VA  Primary Responsibilities: Supporting/planning software development tasks including detailed software design, coding, and unit/integration/functional/system testing of customer desired features/user stories, ensuring successful achievement of acceptance criteria. Develop and sustain new and existing applications; as well as troubleshooting and resolving various software issues. Customer/stakeholder presentation and reporting skills.   Briefing software designs and […]

Full-Stack Software Engineer  Chantilly, VA  Primary Responsibilities: Analyzing high level customer requirements and deriving lower-level functional requirements. Software development tasks including detailed software design, coding, and testing of customer desired features/user stories. Briefing software designs and demonstrating software release functionality to users. Develop and sustain new and existing applications; as well as troubleshooting and resolving […]

Title: Lead Cyber Systems Engineer Location: Linthicum Heights, MD Compensation Range: $230 – $250K *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 […]

Audiovisual Programmer In this role, you will play a key part in delivering high-visibility projects by providing expert programming and architectural support for audiovisual systems. You will be responsible for ensuring successful outcomes for customers and end users, with a focus on Crestron equipment and environments. The ideal candidate will demonstrate strong proficiency in AV […]

Audiovisual Service Technician The Audiovisual Service Technician will provide end-user training, troubleshooting, and issue resolution to a variety of government customers. This role works closely with AV engineers, AV installation technicians, and other team members to ensure a smooth end-user experience across all AV systems. Position Responsibilities: Perform onsite AV system troubleshooting, maintenance, and repair […]

Sr. Cybersecurity Analyst Reston, VA Active TS/SCI with poly As a Sr. Cybersecurity Analyst, your focus will be on Government System Authority to Operate (ATO) support. You will be responsible for guiding government clients through the intricate process of obtaining and maintaining ATO certifications for their information systems. You will leverage your expertise in government […]

Title: Field Support Specialist Location: Annapolis Junction Compensation Range: $130 – 150k *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 […]

Sr. Cybersecurity Engineer Reston, VA Active TS/SCI with poly As a Sr. Cybersecurity Engineer, you’ll  play a pivotal role in safeguarding our organization's digital assets and sensitive information. The ideal candidate is a dedicated professional with a strong background in cybersecurity, a deep understanding of current threats and vulnerabilities, and the ability to implement robust security […]

Title: Data Engineer Location: Herndon, 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 […]

Title: Expert System Administrator (Virtual Infrastructure & Cluster Management) Location: College Park, MD Compensation Range: $220 – $240K *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 […]

Title: Expert Software Engineer (Research & ML Model Development) Location: Annapolis Junction, MD Compensation Range: $250 – $270K *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 […]

Title: Senior Software Engineer (Kubernetes Platform Engineering) Location: Annapolis Junction, MD Compensation Range: $210 – $230K *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, […]

Title: Test Engineer Location: Annapolis Junction, MD Compensation Range: $160 – $180K *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 […]

Title: AI/ML Engineer Location: Herndon, 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 […]

This position requires an experienced Interactive and Web-Based Services (User Experience or UX) with excellent communication skills that will be responsible for gathering and documenting customer website needs and developing a new web environment. The officer will also migrate existing legacy content from an on-premises system into a cloud-based content management system. This administrator will […]

Title: Systems Administrator/AWS Cloud Engineer/ Linux Engineer – Expert Location: Warrenton, 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 […]

Position: Technical Targeter Location: Chantilly, 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 […]

Title: Software Engineer Location: Herndon, 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 […]

Position: ServiceNow Administrator/ Developer Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Pay Range: 170- 195K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through advanced intelligence, satellite, and cyber technologies. Our Intelligence Sector provides support and solutions for information collection, operations, exploitation, dissemination, and […]

Position: Security Tools Integration Specialist Location: Annapolis Junction, MD Clearance: Active TS/SCI w/ Polygraph needed to apply Pay Range: 200 – 220K 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 […]

Position: Systems Administrator  Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Pay Range: 170- 195K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through advanced intelligence, satellite, and cyber technologies. Our Intelligence Sector provides support and solutions for information collection, operations, exploitation, dissemination, and research […]

Title: Web Developer Location: Annapolis Junction, Maryland Clearance: TS/SCI w/ Polygraph Pay Range: 125 -140K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of satellite, launch, and cyber technologies. Cornerstone’s Cyber Sector develops and supports solutions for computer network operations, including exploitation, […]

Title: Web Developer Location: Annapolis Junction, Maryland Clearance: TS/SCI w/ Polygraph Pay Range: 190 – 210K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of satellite, launch, and cyber technologies. Cornerstone’s Cyber Sector develops and supports solutions for computer network operations, including […]

Title: Software Engineer 3 (Atlassian Platform Dev & Int) Location: Annapolis Junction, MD Compensation Range: $190 -$210 *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 […]

Position: Database Administrator Location: Annapolis Junction, MD Clearance: Active TS/SCI w/ Polygraph needed to apply Pay Range: 170- 200K 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 […]

Title: Software Engineer 2 (Data Transformation & Analytics) Location: Annapolis Junction, MD Compensation Range: $170 -$190K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, […]

Responsibilities: Provide Engineering and Administrative support onsite for a team of developers and testers, often deviating from industry standard procedures to meet mission needs but maintaining system security standards. Working as part of a team to design, build and maintain AWS and hybrid-cloud systems Administering systems based on Linux and Windows operating systems Maintaining and […]

Basic Qualifications for a Principal Cyber Software Test Engineer: Candidate must currently have an active Secret security clearance or higher to be considered. Bachelor's degree with 5 years of relevant experience, a Master’s degree with 3 years of relevant experience, a PhD with 1 year of relevant experience, or 9 years of relevant experience in […]

Title: Senio Database Developer (Web Technologies & Data Migration) Location: Annapolis Junction Compensation Range: $200 – 220k *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 […]

Title: Software Engineer 2 (UI/UX Front-End) Location: Annapolis Junction, MD Compensation Range: $190 -$210K *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 […]

Title: Senior Database Engineer Location: Annapolis Junction Compensation Range: $165 – 185k *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 […]

Title: Senior Linux System Administrator/System Engineer Location: Annapolis Junction Compensation Range: $190 – 210k *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 […]

Title: Senior Oracle Database Administrator Location: Annapolis Junction Compensation Range: $190 – 210k *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 […]

Title: Senior ServiceNow Requirements Engineer Location: Bethesda, MD Compensation Range: $175k approximately *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus […]

Title: Senior ServiceNow Test Engineer Location: Bethesda, MD Compensation Range: $215k approximately *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus […]

Title: Senior ServiceNow Scrum Master Location: Bethesda, MD Compensation Range: $215k approximately *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus […]