SQL Server Database Administrator
San Diego, CA
Salary Range: $65,000 – $115,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
Required Skills:
Desired Skills:
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Title: Requirements Project Manager
Location: Columbia, MD
Compensation Range: $185 -$205K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
Seeking a Requirements Project Manager to provide requirements management and project coordination support throughout the project lifecycle. This role will analyze, track, clarify, validate, and maintain stakeholder requirements while coordinating activities, deliverables, schedules, and communications across one or more system components.
The Requirements Project Manager will support requirements decomposition, performance requirements development, requirements traceability, requirements database maintenance, and the successful execution of project objectives. The ideal candidate possesses a strong background in requirements management, systems engineering processes, and project coordination within complex technical environments.
Core Tasks:
Qualifications
Title: Senior AI Token Specialist
Location: Columbia, MD
Compensation Range: $215 -$235K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
Seeking an experienced AI Token Specialist to support the U.S. Cyber Command Chief Artificial Intelligence Officer (CAIO) by providing technical expertise in large language models, generative AI, token economics, AI resource management, and enterprise AI operations. This role will develop strategies, cost models, requirements, technical documentation, and operational guidance to optimize AI token usage and inform budgeting, licensing, procurement, infrastructure, and resource allocation decisions.
The ideal candidate combines deep technical understanding of modern AI systems with strong analytical and strategic planning capabilities to help leadership maximize AI effectiveness while managing operational costs and enterprise-scale adoption.
Core Tasks:
Qualifications
Title: Graphic Designer
Location: Columbia, MD
Compensation Range: $135 -$155K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
Seeking an experienced Graphic Designer to design and produce clear, compelling visual and written communications across print, digital, web, presentation, dashboard, video, mobile, and immersive environments. This role transforms complex technical information into engaging visual stories that support organizational communications, outreach, reporting, and executive decision-making.
The Graphic Designer will collaborate closely with subject matter experts and cross-functional teams to create presentations, reports, publications, dashboards, campaigns, and other communications products. Deliverables must adhere to organizational requirements, visual brand standards, established design languages, and Section 508 accessibility requirements.
Core Tasks:
Qualifications
Preferred:
Computer Architect
Herndon, VA
Position Responsibilities:
Required Experiences:
Basic Qualifications (Required Skills/Experience):
Systems IT Engineering
Sunnyvale, CA
Active Secret or Top Secret
Salary Range: $125,000 – $160,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Position Overview:
Will deliver IT and cyber-systems security support for the COOLR program’s AEHF System Database (ASDB), Flight Software (FSW), and Network AEHF System Testbed-Tools (NAST-T) at the Lockheed Martin Sunnyvale, CA campus.
Responsible for maintaining the digital ecosystem across production and testing environments, ensuring all systems remain efficient, secure, and reliable.
Requirements:
· Active Final DoD Secret security clearance (future Top-Secret may be required)
· Security+ certification
· Follow a 9x80A schedule
· 100% on-site
Key Responsibilities:
· Linux/UNIX System Administration – deploy, configure, harden, troubleshoot, and support disaster-recovery (NetBackup/Veeam).
· Storage Management – install, secure, and monitor NetApp or other NAS/SAN solutions.
· Cyber-Compliance – apply STIGs, manage patches/upgrades, perform trusted downloads, and maintain RMF-based compliance.
· Change & Asset Management – execute changes using change-management tools and keep asset inventories up to date.
· Operational Support – work onsite during day-shift business hours; provide after-hours support when critical operations demand it.
· Collaboration & Knowledge Sharing – lead technical best-practice discussions, mentor peers, and coordinate with functional teams to resolve issues.
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
System Test Engineering
Colorado Springs, CO
Active Secret
Salary Range: $125,000 – $160,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Requirements:
· Active Final DoD Secret security clearance
· Security+ certification
· Follow a 9x80A schedule
· 100% on-site
Key Responsibilities:
· Perform planning, test execution, data analysis and discrepancy reporting for operational based testing of ASMCS/EAA/TTSE/CSS software and database products to ensure readiness for government testing and fielding.
· Perform planning, test execution, data analysis and discrepancy reporting for integration testing to ensure products are acceptable solutions for formal and fully regression releases.
· Perform analysis of ASMCS/EAA/TTSE/CSS software and database deficiencies and workarounds.
· Perform verification of Oracle database contents related to testing products. Familiarity with SQL required.
· Perform in house-built tools to process and analyze test data.
· Perform deficiency Validation & Verification of ASMCS/EAA/TTSE/CSS developed solutions to ensure requirements are fully satisfied. Support prioritization, testing, and delivery scheduling by working with development and integration teams.
· Perform system regression tests.
· Perform tracking and managing work using Jira.
· Perform documentation of tested solutions that are technically satisfactory for operational users along with completing test reports.
· Familiarity with agile concepts required to support agile program execution.
· Test multiple ground product releases that cover OS/COTS to the application software.
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
System Test Engineering
Colorado Springs, CO
Active Secret
Salary Range: $125,000 – $160,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Requirements:
· Active Final DoD Secret security clearance
· Security+ certification
· Follow a 9x80A schedule
· 100% on-site
Key Responsibilities:
· Perform planning, test execution, data analysis and discrepancy reporting for operational based testing of ASMCS/EAA/TTSE/CSS software and database products to ensure readiness for government testing and fielding.
· Perform planning, test execution, data analysis and discrepancy reporting for integration testing to ensure products are acceptable solutions for formal and fully regression releases.
· Perform analysis of ASMCS/EAA/TTSE/CSS software and database deficiencies and workarounds.
· Perform verification of Oracle database contents related to testing products. Familiarity with SQL required.
· Perform in house-built tools to process and analyze test data.
· Perform deficiency Validation & Verification of ASMCS/EAA/TTSE/CSS developed solutions to ensure requirements are fully satisfied. Support prioritization, testing, and delivery scheduling by working with development and integration teams.
· Perform system regression tests.
· Perform tracking and managing work using Jira.
· Perform documentation of tested solutions that are technically satisfactory for operational users along with completing test reports.
· Familiarity with agile concepts required to support agile program execution.
· Test multiple ground product releases that cover OS/COTS to the application software.
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Unix Engineering/System Administration
Colorado Springs, CO
Active Secret
Salary Range: $125,000 – $155,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Requirements:
Key Responsibilities:
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Cyber Systems Engineer
Colorado Springs, CO
Active Secret or Top Secret
Salary Range: $90,000 – $165,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
The engineer will deliver IT and cyber‑systems security support for the COOLR program’s AEHF System Database (ASDB), Flight Software (FSW), and Network AEHF System Testbed‑Tools (NAST‑T).
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Cyber Systems Engineer
Colorado Springs
Active Secret or Top Secret
Salary Range: $90,000 – $165,000 Schedule: 9×80
Certification Requirements: Current Security+ (CompTIA)
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
The engineer will deliver IT and cyber‑systems security support for the COOLR program’s AEHF System Database (ASDB), Flight Software (FSW), and Network AEHF System Testbed‑Tools (NAST‑T).
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Salary Range: 1$80-$220K
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 **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 *
What You’ll Get to Do:
Provides custom software design and development of specialized tools and techniques. Designs and develops end-to-end data flow and tasking into the tools developed. Provides/authors documentation, participate in design, code, and software readiness reviews in accordance with the Government’s software development procedures and processes. Program in Assembly, C, C++, Java, Perl, or Python. Develop Windows applications using Visual Studio or .NET environments; UNIX applications using make files or comparable build environments; or, Embedded or mobile platform development using proprietary, GOTS, or open-source build environments. Provide/author documentation, participate in design, code, and software readiness reviews as prescribed by the Government’s software development procedures and processes.
Basic Qualifications:
Preferred Qualifications:
Position: Systems Administrator- Linux / Social Media Services Administrator
Location: Annapolis Junction, MD
Clearance: TS/SCI w/ Polygraph
Pay Range: $170K – $200K
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 activities. Our specialists focus on software development, cloud architecture, systems engineering, and network engineering across key DoD and Intelligence Community organizations.
Position Description:
We are seeking an innovative and motivated Systems Administrator (SA2) to join a small, talented Linux team supporting Social Media Services in a hybrid cloud environment. This role provides the opportunity to design architectures, develop solutions, and contribute to mission‑critical systems across multiple networks and infrastructures.
The Linux team builds, maintains, secures, and troubleshoots Linux systems across diverse environments. The ideal candidate brings hands‑on Linux administration expertise, strong scripting and automation abilities, and an eagerness to streamline processes. Experience with AWS technologies is highly desirable. The role requires creative problem‑solving, collaboration in a small team, and the ability to communicate clearly with technical stakeholders.
Primary Responsibilities:
• Build, configure, monitor, and troubleshoot Linux systems across multiple networks and architectures.
• Deploy and maintain COTS and FOSS services on Linux environments.
• Develop, debug, and implement automation solutions using Bash, Python, Puppet, Ansible, or similar tools.
• Contribute to system architecture discussions and solution design.
• Work within a small technical team to resolve issues and maintain system stability.
• Identify opportunities to automate tasks and improve efficiency.
• Communicate system issues effectively with team members and service owners.
• Support and mentor junior team members as needed.
Required Skills:
• Strong Linux administration experience (configuration, monitoring, troubleshooting, lifecycle management).
• Experience deploying COTS/FOSS applications and services on Linux systems.
• Experience creating and debugging automation scripts using Bash, Python, Puppet, and/or Ansible.
• Experience collaborating with diverse technical teams to troubleshoot issues.
• Self‑motivated, adaptable, and eager to learn new technologies.
• Strong communication skills for coordination with team members and service owners.
Desired Skills:
• Experience with AWS (EC2 Auto Scaling, cloud automation, cloud integrations).
• Experience using aws‑cli and boto3.
• Ability to collaborate effectively in a team environment and mentor junior staff.
LCAT Requirements:
• Ten (10) years of experience as a Systems Administrator supporting programs of similar scope, type, and complexity.
• Bachelor’s degree in a technical discipline from an accredited university.
• Substitution: Five (5) additional years of experience may replace the bachelor’s degree.
• Must comply with DoD 8570.01‑M requirements with a minimum IAT Level II certification (Security+, CCNA).
Position: Systems Administrator (SA2) – Linux / Social Media Services Administrator
Location: Annapolis Junction, MD
Clearance: TS/SCI w/ Full Scope Polygraph
Pay Range: $170K – $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 activities. Our specialists focus on software development, cloud architecture, systems engineering, and network engineering across key DoD and Intelligence Community organizations.
Position Description:
We are seeking an innovative and motivated Systems Administrator (SA2) to join a small, talented Linux team supporting Social Media Services in a hybrid cloud environment. This role provides the opportunity to design architectures, develop solutions, and contribute to mission‑critical systems across multiple networks and infrastructures.
The Linux team builds, maintains, secures, and troubleshoots Linux systems across diverse environments. The ideal candidate brings hands‑on Linux administration expertise, strong scripting and automation abilities, and an eagerness to streamline processes. Experience with AWS technologies is highly desirable. The role requires creative problem‑solving, collaboration in a small team, and the ability to communicate clearly with technical stakeholders.
Primary Responsibilities:
• Build, configure, monitor, and troubleshoot Linux systems across multiple networks and architectures.
• Deploy and maintain COTS and FOSS services on Linux environments.
• Develop, debug, and implement automation solutions using Bash, Python, Puppet, Ansible, or similar tools.
• Contribute to system architecture discussions and solution design.
• Work within a small technical team to resolve issues and maintain system stability.
• Identify opportunities to automate tasks and improve efficiency.
• Communicate system issues effectively with team members and service owners.
• Support and mentor junior team members as needed.
Required Skills:
• Strong Linux administration experience (configuration, monitoring, troubleshooting, lifecycle management).
• Experience deploying COTS/FOSS applications and services on Linux systems.
• Experience creating and debugging automation scripts using Bash, Python, Puppet, and/or Ansible.
• Experience collaborating with diverse technical teams to troubleshoot issues.
• Self‑motivated, adaptable, and eager to learn new technologies.
• Strong communication skills for coordination with team members and service owners.
Desired Skills:
• Experience with AWS (EC2 Auto Scaling, cloud automation, cloud integrations).
• Experience using aws‑cli and boto3.
• Ability to collaborate effectively in a team environment and mentor junior staff.
LCAT Requirements:
• Ten (10) years of experience as a Systems Administrator supporting programs of similar scope, type, and complexity.
• Bachelor’s degree in a technical discipline from an accredited university.
• Substitution: Five (5) additional years of experience may replace the bachelor’s degree.
• Must comply with DoD 8570.01‑M requirements with a minimum IAT Level II certification (Security+, CCNA).
Title: Solution Train Engineer
Location: Columbia, MD
Compensation Range: $220 -$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 *
Position Description:
The Solution Train Engineer (STE) leads the coordination, execution, and continuous improvement of a complex technical Solution Train within a large‑scale Agile and cyber‑centric Department of Defense environment. This role ensures synchronized delivery across multiple Agile Release Trains (ARTs), manages technical dependencies, supports engineering alignment, and facilitates major planning and execution events.
The ideal candidate is a hands‑on, highly engaged leader who collaborates closely with engineering teams, program leadership, vendors, and cybersecurity organizations, guiding them in Lean‑Agile and systems engineering practices while removing obstacles to successful delivery.
Core Tasks:
Qualifications
Required Certifications:
Core Competencies:
Help Desk Technician
Springfield, VA
Target Compensation: $90k – $120k
TS/SCI with Polygraph Needed to Apply
The Help Desk Technician provides technical and functional support for a Commercial Off‑The‑Shelf (COTS) software solution delivered to a U.S. Government customer. The COTS platform integrates with external systems to support the federal acquisition lifecycle.
This role serves as a primary point of contact for end users, resolves or routes incidents and service requests, supports adoption of the new system, and helps the program maintain reliable operations and a positive customer experience. The ideal candidate combines strong customer service, disciplined troubleshooting, clear communication, and familiarity with federal IT support environments.
Help Desk Technician
Springfield, VA
The Help Desk Technician provides technical and functional support for a Commercial Off‑The‑Shelf (COTS) software solution delivered to a U.S. Government customer. The COTS platform integrates with external systems to support the federal acquisition lifecycle.
This role serves as a primary point of contact for end users, resolves or routes incidents and service requests, supports adoption of the new system, and helps the program maintain reliable operations and a positive customer experience. The ideal candidate combines strong customer service, disciplined troubleshooting, clear communication, and familiarity with federal IT support environments.
Title: Senior Information System Security Manager
Location: Odenton, MD
Compensation Range: $145 – 165k
Clearance: *Active DoD Secret
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Senior Information System Security Manager (ISSM) oversees the cybersecurity posture of DISA systems, ensuring compliance with DoD security requirements and safeguarding sensitive information. This role includes full lifecycle ownership of the Risk Management Framework (RMF) process, development and execution of cybersecurity policies, continuous monitoring, vulnerability management, security documentation oversight, and coordination with cross‑functional engineering and program teams. The ISSM ensures systems remain secure, accredited, and fully compliant with DoD standards.
Core Tasks:
Qualifications:
Preferred:
Title: Senior Cyber Systems Engineer
Location: Linthicum Heights, MD
Compensation Range: $195 – $215K
*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:
Qualifications
Preferred Qualifications
Title: Expert Applications Developer
Location: Hanover, MD
Compensation Range: $235 -$255K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Expert Application Developer designs, develops, and maintains backend libraries and integration services that convert diverse data formats into a standardized internal schema used across multiple applications. This is a hands‑on backend role focused primarily on Java, with occasional Python support. No UI development is involved.
The role also includes system administration duties, including managing MongoDB, working within Linux environments, performing server upgrades, installing RPMs, monitoring services, and troubleshooting operational issues.
Key responsibilities include implementing data ingestion and transformation logic, building reusable libraries for common data formats, ensuring performance and scalability, and contributing to architectural decisions. Collaboration is done through Git‑based workflows, code reviews, and continuous development improvements. The ideal candidate has strong Java expertise, familiarity with Python, experience with varied data formats, and practical Linux/MongoDB administration experience.
Core Tasks:
Qualifications
Education:
• Bachelor’s degree in Electrical Engineering, Computer Science, Computer Engineering, or Mathematics (a minimum of four years of equivalent military experience may substitute for the degree).
– or –
• Master’s degree in Computer Science or Computer Engineering.
Experience Requirements:
• 12+ years with a Bachelor’s degree, or 10+ years with a Master’s degree, including knowledge/experience in three or more of the following:
– System Requirements Analysis
– Software System Design
– Software System Development
– Software System Integration
– Software System Testing
8+ years of experience in four or more of the following:
– Developing software applications in C, C++, or Java
– Developing software for Unix, Linux, or Windows environments
– Developing DLLs for Windows
– Development on computer telephony platforms using Dialogic or similar technologies
– Object-oriented programming
– Knowledge of common protocols/standards (TCP/IP, SNMP, H.323, X.25, 802.11, 802.16, SIP, MEGACO, MGCP)
– Web development with XML, PHP, MySQL, ColdFusion, or Apache
– Scripting with Perl, Python, Bourne shell, C shell, or proprietary languages
– Database experience with Sybase, Oracle, or Microsoft
– Reverse engineering and software analysis
– Kernel-level knowledge of Unix (Linux)
– Bit-level data analysis
Title: Senior Technical Operations Advisor
Location: Arlington & Alexandria, VA
Compensation Range: $220 -$240K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Senior Technical Operations Advisor provides expert-level technical, operational, and strategic support to the Office of the Deputy Principal Cyber Advisor (ODPCA). Operating between the Pentagon and Mark Center, this role supports DoD cyber workforce and readiness policy development, cyber operations forces initiatives, USCYBERCOM training and readiness efforts, cyber force design, and defensive cyber operations.
Core Tasks:
Qualifications
Preferred:
Title: Security Cooperation Analyst
Location: Arlington & Alexandria, VA
Compensation Range: $185 -$205K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Security Cooperation Analyst supports the Office of the Deputy Assistant Secretary of War for Cyber Operations Policy (DASW COP) by providing policy, analytical, and technical expertise that advances cyberspace security cooperation programs across the Department. Operating between the Pentagon and Mark Center, this role contributes to defensive cyber operations, critical infrastructure protection, cyber resilience, and whole‑of‑government efforts to counter malicious cyber threats. Candidates may be considered at the Journeyman or Senior level depending on experience.
Core Tasks:
Qualifications
Preferred:
Title: Senior Offensive Cyber Analyst
Location: Arlington & Alexandria, VA
Compensation Range: $185 -$205K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Offensive Cyber Operations Analyst supports the Office of the Deputy Assistant Secretary of War for Cyber Operations Policy by providing analytical, strategic, and technical expertise that informs the development, implementation, and assessment of policies, strategies, and plans for offensive cyberspace operations. Operating between the Pentagon and Mark Center, this role contributes to shaping DoW offensive cyber initiatives, evaluating operational effectiveness, and producing senior‑level decision materials that ensure offensive cyber missions are aligned with national and departmental priorities.
Core Tasks:
Qualifications
Preferred:
Title: Defensive Cyber Analyst
Location: Arlington & Alexandria, VA
Compensation Range: $185 -$205K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Defensive Cyber Analyst supports Cyber Operations Policy leadership by providing technical, policy, and analytical expertise that advances defensive cyberspace operations, critical infrastructure protection, defense industrial base resilience, and national‑level cyber incident response initiatives. Depending on experience, candidates may be hired at either the Journeyman or Senior level. This position supports operations across the Pentagon and associated DoW mission spaces.
Core Tasks:
Qualifications
Preferred:
Title: Senior Readiness Data Analyst
Location: Arlington & Alexandria, VA
Compensation Range: $185 -$205K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Readiness Data Analyst supports the Office of the Deputy Principal Cyber Advisor (DPCA) for Forces & Readiness by providing analytical, operational, and policy expertise that informs cyber workforce development, readiness assessment, and DoD-wide cyber force initiatives. Operating between the Pentagon and Mark Center, this role plays a critical part in shaping cyber readiness standards, analyzing force capability, supporting cyber training and readiness reporting, and producing executive-level guidance that ensures cyber forces are prepared to meet operational and strategic demands.
Core Tasks:
Qualifications
Title: Senior Storage Administrator/Engineer
Location: Laurel, MD
Compensation Range: $210 -$230K
*Clearance: *Active TS/SCI needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Senior Storage Administrator/Engineer supports the Corporate Storage Team by providing expert‑level technical, operational, and analytical support for enterprise backup systems, storage arrays, SAN environments, and related infrastructure. This role is responsible for maintaining, troubleshooting, and enhancing backup and storage capabilities while ensuring system security, resiliency, and compliance. The position operates out of Emerson 6 and includes scheduled rotational on‑call duties for after‑hours support.
Core Tasks:
Qualifications
Teamcenter Programming SME
Poway, CA
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
Required Skills:
Desired Skills:
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Cyber Systems Engineer
Sunnyvale, CA
Active Secret or Top Secret
Salary Range: $90,000 – $165,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
The engineer will deliver IT and cyber‑systems security support for the COOLR program’s AEHF System Database (ASDB), Flight Software (FSW), and Network AEHF System Testbed‑Tools (NAST‑T).
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Systems Adminstrator
McLean, VA
Salary Range: $190-210k
Cornerstone Defense has an immediate need for a Linux System Engineer supporting a program comprised of linux (80%), windows (20%), virtualization, storage, network, HW, and data center engineers. The team offers rewarding opportunities to think outside the box in order to deliver innovative and sustainable IT environments to our customers. The 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.
As a contributor to the intelligence community’s first multi-cloud initiative, you will be at the epicenter of emergent cloud computing technologies establishing a foundation that will evolve to include all agencies within the IC
Specific duties and responsibilities of the Linux System Engineer may include, but are not limited to:
Minimum Qualifications and Education:
Network Engineer
McLean, VA
Salary Range: $160-235k
The on-site Network Engineer shall perform the following minimum duties:
Required Skills:
Desired Skills:
Title: Senior NOC Technician – Joint Fires Network (JFN)
Location: Ford Island, HI
Compensation Range: $60 – $80k
Clearance: *Active DoD Top Secret required*
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The NOC Technician supports the Joint Fires Network (JFN) Operations Center, providing 24/7/365 network monitoring, incident management, fault analysis, and advanced technical troubleshooting across DISN infrastructure. This role requires strong technical acumen, operational discipline, and the ability to manage complex multi‑layer network issues while coordinating with customers, service providers, leadership, and cross‑functional teams.
Core Tasks:
Qualifications:
Preferred:
Title: Network Engineer II – Joint Fires Network (JFN)
Location: Ford Island, HI
Compensation Range: $70 – $90k
Clearance: *Active DoD Top Secret required*
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Network Engineer II executes real‑time network operations, analysis, troubleshooting, and change management across DISN transport and IP infrastructure. This role requires a blend of technical expertise, operational awareness, and customer‑focused communication to maintain maximum network availability and support critical DoD missions. Engineers work in a 24×7 environment and coordinate directly with customers, government agencies, O&M teams, and higher‑tier engineering organizations.
Core Tasks:
Qualifications:
Preferred:
Title: NOC Technician III – Transport/IP (Trip)
Location: Scott AFB, IL
Compensation Range: $50 – $70k
Clearance: *Active DoD Secret required*
Schedule: Rotating w/ 10% Travel
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The NOC Technician III provides advanced network monitoring, fault analysis, incident correlation, service restoration, and customer coordination for DISN transport and IP infrastructure. This senior‑level role requires deep technical expertise, strong analytical skills, and the ability to lead complex troubleshooting within a high‑tempo operations environment.
Core Tasks:
Qualifications:
Preferred:
Title: Network Engineer III – Joint Fires Network (JFN)
Location: Scott AFB, IL
Compensation Range: $100 – $120k
Clearance: *Active DoD Top Secret required*
Schedule: Rotating w/ 10% Travel
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Network Engineer III serves as a senior‑level network operations engineer responsible for advanced network troubleshooting, complex circuit redesign, deep analysis of transport/IP connectivity, and leadership-level operational support within a 24×7 environment. This role requires substantial technical proficiency, strong situational judgment, and the ability to independently resolve multi‑layer transport and IP issues impacting high‑visibility DoD customers.
Core Tasks:
Qualifications:
Preferred:
Title: Network Engineer II – Joint Fires Network (JFN)
Location: Scott AFB, IL
Compensation Range: $70 – $90k
Clearance: *Active DoD Top Secret required*
Schedule: Rotating w/ 10% Travel
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Network Engineer II executes real‑time network operations, analysis, troubleshooting, and change management across DISN transport and IP infrastructure. This role requires a blend of technical expertise, operational awareness, and customer‑focused communication to maintain maximum network availability and support critical DoD missions. Engineers work in a 24×7 environment and coordinate directly with customers, government agencies, O&M teams, and higher‑tier engineering organizations.
Core Tasks:
Qualifications:
Preferred:
Title: Network Engineer I – Joint Fires Network (JFN)
Location: Scott AFB, IL
Compensation Range: $55 – $75k
Clearance: *Active DoD Top Secret required*
Schedule: Rotating w/ 10% Travel
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description:
The Network Engineer II executes real‑time network operations, analysis, troubleshooting, and change management across DISN transport and IP infrastructure. This role requires a blend of technical expertise, operational awareness, and customer‑focused communication to maintain maximum network availability and support critical DoD missions. Engineers work in a 24×7 environment and coordinate directly with customers, government agencies, O&M teams, and higher‑tier engineering organizations.
Core Tasks:
Qualifications:
Preferred:
Title: Data EngineTitle: Data Engineer
Location: Herndon, VA
Salary Range: $150-200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services
Location: Herndon, VA
We are seeking a Data Engineer in Herndon, VA. The Data Engineer is responsible for making data available, accessible, and secure to all stakeholders. As a Data Engineer on our team you will design, build, and optimize systems for data collection, storage, access, and analytics at enterprise scale.
Responsibilities include, but are not limited to:
Create robust and resilient data pipelines to connect data sources to analytics tools
Work with various analysts to craft requirements
Enumerate the necessary datasets and design the data model and schemas to support the requirements
Provide platform support, including problem solving and debugging, for production issues
Interact and collaborate across the services and communities involved in multi-domain
Cyber Defense to achieve breakthrough improvements in capabilities
5 years Experience coding in Python.
Solid understanding and experience with Database Management, SQL, PostgreSQL.
Experience with ETL tools/data transformation/data pipeline.
Experience taking data collection requirements and translating those requirements into implementable solutions.
Critical thinking and problem-solving skills, ability to design solutions and troubleshoot issues effectively.
Analyze data sources for accuracy, data prioritization, and apply appropriate logic to developed solutions.
Linux experience
Title: Software Developer
Location: Herndon, VA
Salary Range: $200-$240K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply Responsibilities include, but are not limited to:
• Understand requirements and be able to translate the requirements into implementable solutions.
• Design and develop software components which may involve interfacing with other functional teams and areas.
• Coach junior team members on software development best practices, highlighting the impacts of design decisions, and making code efficient.
• Participate in code and design reviews.
• Research data sources and technical solutions in order to effectively extract, transform, and load data into a database for data processing and analysis.
• Work with team members to understand the current product features.
• Follow the development processes and standards used by the team.
• Commit to continuous process improvement concerning software integration efforts and CI/CD Pipeline.
• Ability to think strategically and creatively when formulating solutions and is comfortable briefing or demonstrating ideas and solutions to the team.Responsibilities include, but are not limited to:
• Understand requirements and be able to translate the requirements into implementable solutions.
• Design and develop software components which may involve interfacing with other functional teams and areas.
• Coach junior team members on software development best practices, highlighting the impacts of design decisions, and making code efficient.
• Participate in code and design reviews.
• Research data sources and technical solutions in order to effectively extract, transform, and load data into a database for data processing and analysis.
• Work with team members to understand the current product features.
• Follow the development processes and standards used by the team.
• Commit to continuous process improvement concerning software integration efforts and CI/CD Pipeline.
• Ability to think strategically and creatively when formulating solutions and is comfortable briefing or demonstrating ideas and solutions to the team.
• Recent experience developing in Python (3+ years)
• Experience with ETL
• Experience in SQL
• Demonstrated experience in the Software Development Life Cycle to include debugging, testing, and deployment to different environments
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Title: DevOps Engineer
Location: Herndon, VA
Salary Range: 1$80 – $230k
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
The DevOps Engineer will leverage their technical background to help deliver automation and big data analytics for the IC community. You will be trained in DevOps and work alongside a collaborative team of Software Developers, Systems Development Engineers, Network Engineers, and Data Engineers to develop unique software that enables customer networks to safely operate at scale.
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 *
Responsibilities include but are not limited to:
Deploying and provisioning AWS resources including EC2, S3, RDS, IAM roles, and VPC configurations to support scalable architecture
Building, maintaining, and troubleshooting continuous integration and continuous deployment (CI/CD) processes using GitLab and GitHub
Running routine vulnerability scans, applying patches, and updating cloud and physical infrastructures to ensure security compliance
Designing and maintaining Kubernetes and EKS clusters to ensure high availability and productivity for the development team
Collaborating with stakeholders to ensure complete and functional systems that meet all requirements
Recommending, and when approved, implementing process and policy improvements
10+ years’ experience with DevOps, front end development or full stack development
Experience with Bash scripting
Experience working within AWS (Amazon Web Services) environments
Experience working with Linux administration and systems design
Experience creating CI/CD pipelines
Experience with network documentation including security compliance, configuration management, and patching.
Title: Strategic Financial Planning
Location: Tysons, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Salary Range: $110,000 to $145,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
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 *
Required:
Risk management
Title: Senior Software Engineer/Systems Engineer
Location: Annapolis Junction
Compensation Range: $215 – 235k
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Description:
The Senior Software Engineer / System Engineer plays a key role in a multi‑year, mission‑focused software development effort aimed at productizing a critical solution suite for broader DoD deployment. This position requires extensive experience in modern software engineering, system design, cryptographic technologies, and Agile development. The engineer will be responsible for leading technical changes, removing customer‑specific dependencies, abstracting environment‑specific configurations, and helping architect flexible interfaces to support authorization workflows and key management operations across diverse environments. The work impacts numerous components including clients, Portals, Proxy services, and OpenBao‑based key management services. This role requires strong leadership, independent execution, and collaboration across matrixed and virtual teams.
Required Skills:
Preferred Skills:
Desired Skills:
Title: Senior Software Developer
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 continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Description:
The Senior Software Developer supports mission‑critical programs within secure environments and delivers technical solutions across enterprise‑level systems. This role requires deep proficiency in Java, JavaScript, RESTful services, encryption technologies, AWS, and modern development methodologies. The developer will operate independently while collaborating across project teams to design, build, implement, and troubleshoot software solutions. The position demands strong communication skills, analytical thinking, and the ability to perform in a fast‑paced Agile setting while ensuring high‑quality results and adherence to best practices.
Required Skills:
Preferred Skills:
Additional Desired Skills or Familiarization:
An experienced consulting professional with broad understanding of solution design, industry best practices, and multi‑domain technology implementation. Operates independently to deliver quality work products and applies Oracle methodology, company procedures, and leading practices to customer engagements. Demonstrates the ability to provide functional and technical expertise and to consult effectively with customer management teams.
Network Administrator
Herndon, VA/Chantilly, VA
Active TS/SCI with Polygraph
Salary Range: $150,000 – $220,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
Required Skills:
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
Hardware Engineer/Help Desk Support
Herndon, VA
Active TS/SCI
Salary Range: $80,000 – $140,000
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Job Responsibilities:
We are seeking an entry-level Hardware Engineer to join our IT/Hardware Support team. This role will focus on triaging help desk tickets, performing hardware installations and removals, and providing first- and second-line technical support for desktop/laptop/workstation systems. The ideal candidate has basic experience with Windows or Linux, strong troubleshooting skills, and a customer-service mindset.
Required Skills:
Desired Skills:
Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.