• Principal / Sr Principal Software Engineer

    Northrop Grumman (Boulder, CO)
    …work. All applicants must also have the ability to obtain and maintain a Top Secret /SCI ( TS /SCI) security clearance. **Preferred Qualifications:** + OO ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...Defense Systems division within Northrop Grumman Space Systems is seeking a Software Engineer to… more
    Northrop Grumman (10/01/25)
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  • Junior Software Engineer - TS /SCI…

    Parsons Corporation (Denver, CO)
    …Grid Systems , Parallel Processing, Threading **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... Blue Ridge Envisioneering is seeking qualified candidates to fill a **Software Engineer ** position at our Denver, CO location. Blue Ridge Envisioneering, a Parsons… more
    Parsons Corporation (09/24/25)
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  • Systems Engineering Manager

    Lockheed Martin (Littleton, CO)
    …Manager** to lead a team spanning a multi\-segment program\. * Team with the Chief Systems Engineer , Chief Engineer , CAM and Segment leads to manage program ... priorities and tasking * Provide guidance on implementation of the Systems Engineering lifecycle processes and reviews, from requirements development through system… more
    Lockheed Martin (09/24/25)
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  • Sr Software Engineer - TS Clearance

    Lockheed Martin (Colorado Springs, CO)
    …or in a STEM related field, OR equivalent experience\. * An active final Top Secret clearance is required prior to starting\. * Java programming experience ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (08/21/25)
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  • Systems Modeling and Analysis…

    Lockheed Martin (Littleton, CO)
    …related field and/or equivalent work experience * Demonstrated ability performing systems modeling and analysis * Experience in mission analysis tools development ... and execution \( i\.e\. MATLAB or other similar tool\) * Active or Current TS /SCI with Poly required to start **Desired Skills:** * Experience in space based… more
    Lockheed Martin (09/24/25)
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  • Senior Specialist, Systems Engineering…

    L3Harris (Centennial, CO)
    …(100% On-site) Job Description: L3Harris Technologies is currently seeking a Lead, Systems Engineer - STO Planner to support a high-visibility, mission-critical ... the interest of national security. Job Title: Senior Specialist, Systems Engineering - STO Planner (Active TS /SCI...of 10 years of prior related experience. + Active Top Secret /SCI with CI Poly clearance required.… more
    L3Harris (09/13/25)
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  • Software Engineer TS /SCI Poly

    Leidos (Aurora, CO)
    **Description** Leidos is looking for a Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a ... to support an on-going mission and operational system. **Job Summary** The Software Engineer will perform software development activities as a member of an agile… more
    Leidos (09/15/25)
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  • Electrical Engineer ( TS /SCI…

    Fluor (Aurora, CO)
    …**Job Description** Must have an active (or ability to obtain and maintain) TS /SCI with CI Polygraph Will work under general supervision to initiate, lead, plan, ... strategies, and ensure quality through testing and validation activities. The Electrical Engineer shall perform, but not limited to: * Support facility project… more
    Fluor (07/30/25)
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  • Satellite Integration & Test Engineer

    Lockheed Martin (Littleton, CO)
    …Experience in a system level test and requirements verification environment * Active Top Secret clearance **Desired Skills:** * Certified Test Conductor \(CTC\) ... programs using the LM400 bus platform\. As an Electrical Systems Integration and Test Engineer , you will:...must be a US Citizen for consideration\. **Clearance Level:** TS /SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (08/28/25)
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  • 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 Area ... us and make a difference in National Security!** **Job Summary** The Software Engineer will perform software development activities as a member of an agile… more
    Leidos (08/26/25)
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