• Software Engineer TS/SCI Poly

    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 ... make a difference in National Security!** **Job Summary** The Software Engineer will perform software ...and with a team in a fast-moving environment. **Security Clearance requirement:** + Candidates must possess an active **TS/SCI… more
    Leidos (08/26/25)
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  • Experienced Software Engineer

    Lockheed Martin (Littleton, CO)
    …defense systems\.** In this role, you will design, develop, and integrate software solutions that support complex space and defense missions\. You will collaborate ... and cybersecurity specialists to ensure reliable, secure, and high\-performing software for both embedded and large\-scale system environments\. From spacecraft… more
    Lockheed Martin (09/06/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and ... to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from... engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We Prefer:**… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Sentinel Sr. Principal Software Systems…

    Northrop Grumman (Colorado Springs, CO)
    …assistance package. **Job Qualifications:** **You'll Bring These Qualifications:** * Sr. Principal Software Engineer : 8 Years with Bachelor's in related field of ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...today. Northrop Grumman Defense Systems is seeking **Sr. Principal Software Systems Engineer - 14679*.** This position… more
    Northrop Grumman (08/16/25)
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  • Principal Software Engineer

    SAIC (Colorado Springs, CO)
    **Description** SAIC seeks a highly experienced and energetic Software Engineer to support the US Space Force, Space Systems Command, in performing operational ... government customer, the SAIC Program Manager, and the Chief Engineer , the Software Engineer is...nine plus (9+) years' relevant experience. + Active Secret Clearance . + Ability to support system integration, test, development,… more
    SAIC (08/14/25)
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  • Secret Software Engineer (Levels 3…

    Insight Global (Colorado Springs, CO)
    Job Description Insight Global is looking for a Software Engineer to be located in the Colorado Springs and Huntsville area. The Software Engineer will ... the program, performing in-depth analysis and providing technical support for software products. The role involves maintaining, debugging, and configuring … more
    Insight Global (10/01/25)
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  • Software Engineer , FBM Mk7, Early…

    Lockheed Martin (Littleton, CO)
    …joining the Fleet Ballistic Missile \(FBM\) Avionics organization committed to developing flight software for the missile system\. They will join a team of Guidance ... Navigation and Control \(GNC\) and software engineers that designs and develops mission critical GNC...C\+\+ or python development/test experience * Active Interim Secret Clearance with ability to obtain TS Clearance … more
    Lockheed Martin (07/31/25)
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  • Cleared Software Engineer

    General Atomics (Denver, CO)
    …in mentoring junior engineers and shaping technical discussions within your team. + Engineer high-quality software : + Take ownership of features or services from ... General Atomics Integrated Intelligence Inc. (GA-Intelligence) develops cutting-edge software solutions that transform raw data into actionable intelligence. We… more
    General Atomics (10/03/25)
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  • Sentinel Software Engineer

    Northrop Grumman (Colorado Springs, CO)
    …your life and launch your career today. Northrop Grumman Defense Systems is seeking ** Software Engineer ** . This position will be located in **Colorado Springs, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...offer a competitive relocation assistance package. **Job Qualifications:** * Engineer Software : 2 Years with Bachelor's in… more
    Northrop Grumman (09/12/25)
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  • Sr. Specialist, Software Engineer…

    L3Harris (Colorado Springs, CO)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Software Engineer / Virtualization Engineer Job Code: 28592 Job Location: ... CO We are seeking a highly skilled and experienced Software Virtualization Subject Matter Expert (SME) to join our...support of new system fielding. + Maintain Top Secret Clearance which requires US Citizenship. Qualifications: + Bachelor's Degree… more
    L3Harris (09/12/25)
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