• Cyber Software Test

    Lockheed Martin (Denver, CO)
    **Description:** You will be the ** Cyber Test Exploitation Engineer ** for the research and development team, responsible for designing, executing, and ... emerging technologies and ensure mission‑critical resilience\. **What You Will Be Doing** As the Cyber Test Exploitation Engineer , you will develop and run… more
    Lockheed Martin (10/10/25)
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  • Defensive Cyber Operations Engineer

    ISYS Technologies (Aurora, CO)
    …initiatives of our government customers. I2X Technologies is seeking a Sr. Defensive Cyber Operations Engineer to support ongoing activities for a customer in ... Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you… more
    ISYS Technologies (10/10/25)
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  • Senior Cyber Defense Engineer

    Deloitte (Denver, CO)
    Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity. Join our team to deliver powerful solutions to help our ... to deliverables and performance metrics where applicable. + Consult on IT and cyber defensive architecture and technologies. + Assess assigned cyber key terrain… more
    Deloitte (09/25/25)
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  • Space Systems Cyber Security…

    General Atomics (Englewood, CO)
    …defense, civil, commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. In ... this role, you'll collaborate closely with the lead cyber security engineer to implement program strategies aimed at achieving and maintaining authority to… more
    General Atomics (10/08/25)
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  • Automated Test Framework Software

    Leidos (Aurora, CO)
    …and exciting opportunity for an **Automated Test Framework Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... make a difference in National Security!** **Job Summary:** The **Automated Test Framework Software Engineer ** will support the framework of automated tests… more
    Leidos (09/27/25)
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  • Software Engineer

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... us and make a difference in National Security!** The ** Software Engineer ** will perform software ...into implementable concepts, through development, unit testing, integration and test , and deployment of the new capabilities for the… more
    Leidos (09/18/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: ... technical activities spanning multiple technical disciplines including security analysis, software /tool development, software test , development environment… more
    CACI International (10/09/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a ** Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... make a difference in National Security!** **Job Summary** The Software Engineer will perform software ...testing leveraging DEVOPS automation and, where appropriate, use of test automation commercial tools (there are a range of… more
    Leidos (08/26/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a **Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... bonus!** **Job Summary** We are seeking a highly skilled Software Engineer to design, develop, and enhance...database queries and repository solutions + Develop and execute test procedures to validate software functionality and… more
    Leidos (08/28/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... on technical activities spanning multiple technical disciplines including security analysis, software /tool development, software test , lab environment,… more
    CACI International (08/08/25)
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  • Jr. Software Engineer

    Leidos (Aurora, CO)
    …Advantage Solutions Business Area, is currently seeking a highly motivated Junior Software Engineer for the Chinook Program. The Chinook Program delivers ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber ,...agile practices, and classified cloud environments. As a Junior Software Engineer , you will work as part… more
    Leidos (10/04/25)
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  • Mid-Level Software Engineer

    Leidos (Aurora, CO)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The Chinook Program delivers ... **Description** Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security… more
    Leidos (10/05/25)
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  • Software Engineer C++ (Onsite)

    RTX Corporation (Aurora, CO)
    …and data management. Raytheon is currently hiring for a Satellite Command & Control Software Engineer . This position is an onsite role in Aurora, CO **What ... missile defense, advanced sensors, space-based systems, hypersonics, effectors and cyber solutions. Focused on program execution, business growth and...You Will Do** + Design, develop, test , deliver, and maintain software for cutting-edge… more
    RTX Corporation (10/03/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …(Multi-INT) and resilient operations, secure processing, and data management. As a Senior Software Engineer , you have the opportunity to directly impact the ... to evolving customer and warfighter needs. **What You Will Do** + Design, develop, test , deliver, and maintain software applications. + Work with talented teams… more
    RTX Corporation (10/09/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    software + Update software and hardware infrastructure + Develop, integrate, and test software needed to update the system + Work with talented teams of ... and missile defense, advanced sensors, space-based systems, hypersonics, effectors and cyber solutions. Focused on program execution, business growth and the highest… more
    RTX Corporation (10/09/25)
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  • Senior Security Engineer

    Rocket Software (Denver, CO)
    …red team/blue team/purple team and enterprise tabletop exercises + Analyze, assess and test for cyber threats across enterprise networks + Protect Rocket ... in what they're doing!** **Job Description Summary:** As a senior cybersecurity engineer focused on identity security and threat mitigation with Rocket Software more
    Rocket Software (09/30/25)
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  • Senior Atlo Egse Integration Engineer

    Lockheed Martin (Littleton, CO)
    …built for you\. Lockheed Martin Space is seeking a **Senior Level Electrical System Integration/ Test Engineer ** to join the SDA Tranche Integration and Test ... support to include: enterprise system administrators, network administrators, and cyber security SMEs **Basic Qualifications:** * Experience with Windows and… more
    Lockheed Martin (07/18/25)
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  • Principal/Senior Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …history. **About the Team:** We are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force Base! Our team deploys Linux ... of Linux system design, administration, and sustainment (no Windows!), cyber security, network and hardware engineering, Algorithm development, and analysis.… more
    Northrop Grumman (08/22/25)
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  • Systems Engineer

    Lockheed Martin (Denver, CO)
    **Description:** You will be a **Systems Engineer ** for the R&D team that investigates and exploits the newest technological advances to solve complex, ... mission‑critical problems\. ## What You'll Be Doing As a Systems Engineer , you will design, integrate, and validate system‑level solutions that address challenging… more
    Lockheed Martin (10/10/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/09/25)
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