• Software Engineer 3/4

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... architecture + Experience with publisher/subscriber architectures + **Must have current** ** Top Secret /SCI security clearance at time of application**… more
    Northrop Grumman (11/18/25)
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  • SE/SEIT Lead - Top Secret Clearance…

    Lockheed Martin (Littleton, CO)
    …of our systems engineering efforts\! **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance * Strong Systems Engineering, ... an exciting opportunity for a seasoned SE or SEIT engineer to lead a team of talented engineers and...System Development Life Cycle execution and best practices on software and hardware\-based systems \. * Experience in… more
    Lockheed Martin (12/10/25)
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  • Senior Software Engineer

    CACI International (Colorado Springs, CO)
    …developing software for the Tactical Integrated Ground Suite (TIGS) System of Systems (SoS). The Senior Software Engineer will contribute to enhancing ... Senior Software Engineer Job Category: Engineering Time...graphical user interface (GUI) or human-machine interface (HMI), embedded systems with emphasis on tactical/network/satellite communications, software -defined… more
    CACI International (11/25/25)
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  • Systems Integration Engineer Stf…

    Lockheed Martin (Colorado Springs, CO)
    …hosts Please Note: \-This position requires a DoD government security clearance at the Top Secret level prior to starting\. \-The role may involve approximately ... role\. You are experienced in building and administering integrated software systems , collaborate well with others, and...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/05/25)
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  • Guidance, Navigation & Control Engineer…

    Lockheed Martin (Littleton, CO)
    …SCI \(adjudicated or eligibility\) is required for consideration\. * Top Secret security clearance with adjudicated SCI \(i\.e\. TS /SCI\) is required prior ... and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling spacecraft … more
    Lockheed Martin (11/20/25)
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  • Integration and Test Engineer…

    SMX (Boulder, CO)
    …Secret level clearance is required with ability to obtain Top Secret .** **Essential Duties & Responsibilities** + Support software integration and testing ... Integration and Test Engineer ( Secret to TS )...Required: Secret with the ability to obtain Top Secret . Due to the clearance requirement,… more
    SMX (01/06/26)
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  • Manager, Info Security Systems…

    L3Harris (Broomfield, CO)
    …and cyber domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer TS /SCI - Boulder, CO Job Code: 31261 Job Location: ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph… more
    L3Harris (11/15/25)
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  • Software Engineer TS /SCI

    CACI International (Denver, CO)
    Software Engineer TS /SCI Job... development to help shape the future of mission-critical systems ? Join our dynamic team in designing, developing, and ... Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10%… more
    CACI International (12/09/25)
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  • Electro-Optical Controls Systems…

    Lockheed Martin (Louisville, CO)
    …career that's built for you\. Lockheed Martin Space is seeking an **Electro\-Optical Controls Systems Engineer ** to join our team in **Louisville, CO** \! The ... * Experience leading technical teams * Active DoD TS clearance; must be able to obtain a ...payloads * Experience working on space or ground ISR systems \. * Experience with products that include Software… more
    Lockheed Martin (12/11/25)
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  • Sr. Software Engineer TS /SCI…

    Leidos (Aurora, CO)
    **Description** Leidos has an exciting opportunity for a Sr. Software Engineer ! *Must have an active TS /SCI Polygraph up front. No exceptions.* You will ... perform software development lifecycle (SDLC) activities as both an individual...as both an individual and a member of our top -notch agile development team building a large complex enterprise… more
    Leidos (12/10/25)
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