• Software Engineer - C++, Python,…

    Lockheed Martin (Littleton, CO)
    …which support our nation's defense systems \.** We are seeking a highly skilled Software Engineer to join our advanced systems development team supporting ... you will contribute to the design, development, integration, and deployment of software and hardware/ software interface systems across classified programs\.… more
    Lockheed Martin (09/13/25)
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  • Entry Level Satellite Integration & Test…

    Lockheed Martin (Littleton, CO)
    …or equivalent experience/combined education * Aerospace or defense systems hardware/ software integration experience * Test Engineer \(TE\) and/or Certified ... and Test team as a Satellite Integration & Test Engineer in Littleton, CO\! In this role you will...and disciplines of spacecraft test engineering * Working with Systems Engineering and Certified Principal Engineers \(CPEs\) to understand… more
    Lockheed Martin (11/07/25)
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  • Lead Software Engineer Level 4

    Northrop Grumman (Aurora, CO)
    …US Citizenship is required._ **Basic Qualifications:** + Requires an **active** DoD Top - Secret ( TS ) clearance with Sensitive Compartmented Information (SCI) ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (10/24/25)
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  • Software Engineer - Level 4…

    Northrop Grumman (Colorado Springs, CO)
    …of application, which is required to start with the ability to obtain and maintain a Top Secret - TS /SCI/SAP security clearance + Ability and willingness to ... has an exciting career opportunity for an Sr Principal Software Engineer - Level 4 - M&S...Qualifications:** + Applicants holding a current, active in-scope DoD-issued ** Top Secret with SCI/SAP** security clearance at… more
    Northrop Grumman (11/08/25)
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  • Software Engineer

    Lockheed Martin (Littleton, CO)
    …and a BS degree\.** **Selected candidate will be required to possess a Final Top Secret security clearance for consideration\.** Our employees play an active ... Element Test engineers responsible for Integration, testing and deploying software and hardware products as an integral component of...* Experience with Agile and or Devops * Final Top Secret clearance needed to start with… more
    Lockheed Martin (11/01/25)
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  • Engineer II - Mission Ops Systems

    BAE Systems (Boulder, CO)
    **Job Description** We re seeking a self-motivated systems engineer to join our Systems Operations & Sustainment team. Our multi-disciplinary teams prepare ... Education, US Department of Education. + A current, active Top Secret security clearance is required with...job specifics. ** Engineer II - Mission Ops Systems Engineer ** **117770BR** EEO Career Site Equal… more
    BAE Systems (11/07/25)
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  • Sr. Specialist, Software Engineer

    L3Harris (Colorado Springs, CO)
    …experience. In lieu of a degree, minimum of 10 years of prior related experience. + Top Secret or TS /SCI Clearance + Experience in VMWare and Hyper-V, and ... the interest of national security. Job Title: Sr. Specialist, Software Engineer / Virtualization Engineer ...troubleshooting and support of new system fielding. + Maintain Top Secret Clearance which requires US Citizenship.… more
    L3Harris (09/12/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... a security clearance. **Qualifications We Prefer** + Experience upgrading complex hardware and software systems + Experience upgrading COTS and FOSS software more
    RTX Corporation (10/09/25)
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  • Engineer Senior Principal - Systems

    BAE Systems (Westminster, CO)
    …Space and Mission Systems (BAE SMS) Tactical Solutions is seeking a Lead Systems Engineer to lead our Radar engineering efforts that deliver advanced radars ... individual who is prepared to lead the development, testing, integration, and maintenance Radar systems . The Lead Systems Engineer will be responsible for… more
    BAE Systems (09/09/25)
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  • Cyber Software Test Engineer

    Lockheed Martin (Denver, CO)
    …**MUST BE AU\.S\. CITIZEN** - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 **Basic ... **Description:** You will be the **Cyber Test Exploitation Engineer ** for the research and development team, responsible for designing, executing, and automating… more
    Lockheed Martin (10/10/25)
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