Cornerstone Defense Jobs Hiring Now
Cornerstone Defense is hiring for 28 open roles on Migrate Mate as of July 16, 2026, concentrated in backend engineering and data engineering, with listed salaries up to about $270,000. Migrate Mate updates Cornerstone Defense's live openings daily. Cornerstone Defense is a defense and intelligence contractor that provides software engineering, cloud infrastructure, data engineering, and AI/ML development services to U.S. government and national security customers.
Find Cornerstone Defense JobsOverview
Cornerstone Defense hiring data on Migrate Mate, as of July 16, 2026.
- Open jobs
- 28
- Top team
- Backend Engineering
- Seniority
- Across all levels
- Work type
- 0% remote or hybrid
- Top location
- Annapolis Junction
- Salary range
- $125,000–$270,000
Listed salaries for Cornerstone Defense roles on Migrate Mate range from about $125,000 to $270,000 per year across 28 open roles, as of July 16, 2026. One role lists an hourly contract rate.
Open Roles at Cornerstone Defense
Showing 25 of 28+ Cornerstone Defense jobs
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 focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Core Tasks:
- Perform cybersecurity assessments of large-scale DOD systems, utilizing an OCO (Offensive Cyber Operations) mindset to perform DCO (Defensive Cyber Operations) activities.
- Perform long term, in depth vulnerability assessments leveraging systems engineering principals and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecture
- Perform independent verification & validation of security requirements and capabilities. Incorporating systems resiliency and security engineering concepts into acquisition documents (e.g., Performance Work Statements).
- Perform technical evaluations of contractor proposals for systems resiliency, security, and cyber security considerations.
- As a technical leader, Sr Systems Engineers will report to you directly. You will ensure they are fully utilized, their best skillset is being used, while encouraging them to exceed technical performance expectations. Participate in building a strong team with depth in the system engineering process and how it can be utilized in different areas within the mission space.
- Leverage your interpersonal skills to foster relationship development with our customers to gain additional insights, information, and documentation to improve our ability to accomplish our mission
- The Lead System Engineer will have minimum 15 years of System Engineering experience (BS Degree in STEM will account for 4 years and MS in STEM will count for additional 2 years)
- Relevant BS degree in STEM field
- 6 years as a System Engineer lead with experience leading, managing, and collaborating with broad range of organizations and groups and teams
- Zero Trust experience
- Cybersecurity certification (Sec+, CISSP, CEH, etc)
- Familiarity with NIST SP 800-160
- Familiarity with INCOSE defined life cycle systems engineering processes
- Experience with / knowledge of large-scale DOD Systems
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 focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Core Tasks:
- Perform cybersecurity assessments of large-scale DOD systems, utilizing an OCO (Offensive Cyber Operations) mindset to perform DCO (Defensive Cyber Operations) activities.
- Perform long term, in depth vulnerability assessments leveraging systems engineering principals and knowledge, utilizing any available information, including architecture diagrams, build specifications, design documentation, and systems architecture
- Perform independent verification & validation of security requirements and capabilities. Incorporating systems resiliency and security engineering concepts into acquisition documents (e.g., Performance Work Statements).
- Perform technical evaluations of contractor proposals for systems resiliency, security, and cyber security considerations.
- As a technical leader, Sr Systems Engineers will report to you directly. You will ensure they are fully utilized, their best skillset is being used, while encouraging them to exceed technical performance expectations. Participate in building a strong team with depth in the system engineering process and how it can be utilized in different areas within the mission space.
- Leverage your interpersonal skills to foster relationship development with our customers to gain additional insights, information, and documentation to improve our ability to accomplish our mission
- The Lead System Engineer will have minimum 15 years of System Engineering experience (BS Degree in STEM will account for 4 years and MS in STEM will count for additional 2 years)
- Relevant BS degree in STEM field
- 6 years as a System Engineer lead with experience leading, managing, and collaborating with broad range of organizations and groups and teams
- Zero Trust experience
- Cybersecurity certification (Sec+, CISSP, CEH, etc)
- Familiarity with NIST SP 800-160
- Familiarity with INCOSE defined life cycle systems engineering processes
- Experience with / knowledge of large-scale DOD Systems
Job Roles at Cornerstone Defense
Working at Cornerstone Defense
Cornerstone Defense's 28 open roles are across all levels, and about 0% are remote or hybrid. The most active teams are backend engineering, data engineering, and cloud engineering. Cornerstone Defense supports U.S. government and intelligence community programs through software engineering, cloud and systems administration, data engineering, DevOps, and machine learning development. The company works in environments that typically require active security clearances, with a focus on mission-critical technical delivery for defense and intelligence customers. Most Cornerstone Defense roles are based in Annapolis Junction, with some in Herndon and Columbia.
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Browse jobs by roleCornerstone Defense Jobs: Frequently Asked Questions
How many jobs is Cornerstone Defense hiring for right now?
Cornerstone Defense is hiring for 28 open roles on Migrate Mate as of July 16, 2026, updated daily, concentrated in backend engineering and data engineering. Roles span software engineering, cloud and systems administration, data engineering, DevOps, and AI/ML development, predominantly supporting defense and intelligence community programs.
What kinds of roles does Cornerstone Defense hire for?
The most active teams are backend engineering, data engineering, and cloud engineering. Cornerstone Defense hires primarily for technical positions including software engineers across front-end, platform, and research disciplines, cloud and systems administrators, database administrators, data engineers, DevOps engineers, and AI/ML engineers. Most postings are across all levels, with roles tiered from entry-level web developer positions through expert-level engineering and machine learning development.
Are Cornerstone Defense jobs remote or in-person?
Mostly on-site. About 0% of Cornerstone Defense's open roles on Migrate Mate are remote or hybrid as of July 16, 2026, with the rest based in Annapolis Junction. Each Cornerstone Defense listing shows its work location so you can filter before applying.
How do I apply to a job at Cornerstone Defense?
Find a Cornerstone Defense role that matches your background on Migrate Mate, then follow the listing directly through to Cornerstone Defense's own application process. Cornerstone Defense manages its own hiring and candidate review. Migrate Mate keeps listings current so the role you click is actively open.
What do Cornerstone Defense jobs pay?
Listed salaries for Cornerstone Defense roles on Migrate Mate range from about $125,000 to $270,000 per year as of July 16, 2026, with most postings at across all levels. One role lists an hourly contract rate. Exact pay is set by Cornerstone Defense and shown on each listing.
Does Cornerstone Defense hire entry-level?
Most of Cornerstone Defense's open roles on Migrate Mate are across all levels as of July 16, 2026. Check individual Cornerstone Defense listings for stated experience requirements.
Where is Cornerstone Defense hiring?
Most Cornerstone Defense roles are based in Annapolis Junction, with some in Herndon and Columbia, and about 0% offer remote or hybrid work as of July 16, 2026. Migrate Mate shows the location on each listing.