• Software Engineer Level 3 or 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 ... you join our team as a Principal (level 3) Software Engineer or Sr. Principal (level 4)...lieu of degree. + **Candidate must have a current/active Top Secret /SCI security clearance** **_at time of… more
    Northrop Grumman (10/24/25)
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  • Space Vehicle Responsible Systems

    Lockheed Martin (Littleton, CO)
    …ready\. Will you? Lockheed Martin seeks an innovative and talented **Spacecraft Responsible Systems Engineer \(RSE\)** to join the Global Security team in ... this role look like?** The Global Security Spacecraft Responsible Systems Engineer \(SC RSE\) provides senior technical...of small teams or projects * Active or Current Top Secret Security Clearance \- U\.S\. citizenship… more
    Lockheed Martin (12/11/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …Excellent communication and interpersonal skills\. * Ability to obtain and maintain a Top Secret \( TS \) security clearance\. **Desired Skills:** * Experience ... engineer Cross\-Domain Solution \(CDS\) products\. This position is for a Systems Engineer /Installer on the Radiant Mercury product within the TSS program\.… more
    Lockheed Martin (11/12/25)
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  • Systems Engineer (Level 3), RF…

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... hardware\. \- Experience integrating and verifying complex hardware and software systems at the subsystem or system... at the subsystem or system level\. \- Active TS /SCI security clearance required\. **Desired Skills:** \- Prior Lockheed… more
    Lockheed Martin (12/25/25)
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  • Fault Protection Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Martin\. Your Mission is Ours\. Lockheed Martin seeks an innovative and talented Fault Protection systems engineer \. - - - **What does this role look like?** The ... similar tool \(i\.e\. C, C\+\+, MATLAB, Java\) * Active Top Secret with ability to obtain SCI...Experience in the design, development, and integration of embedded software systems \. * Experience with requirements derivation,… more
    Lockheed Martin (12/06/25)
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  • Systems Engineer Senior Staff (Level…

    Lockheed Martin (Littleton, CO)
    …directions to a billion people worldwide\. Lockheed Martin is looking for a dedicated Systems Engineer to join the team in Waterton, Colorado supporting Space ... Agency's Proliferated Warfighter Space Architecture programs\. As the Responsible Systems Engineer \(RSE\) within the SEIT team...defense programs * Ability to obtain and maintain a Top Secret /SCI Security Clearance, thus US Citizenship… more
    Lockheed Martin (12/30/25)
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  • Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... systems \. \- Hands\-on experience with integrated hardware and software verification and test at the subsystem or system...test at the subsystem or system level\. \- Active TS /SCI security clearance required\. \- Ability to support quarterly… more
    Lockheed Martin (12/11/25)
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  • Software Engineer Level 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 ... join our team as a Sr. Principal (level 4) Software Engineer based out of based out...in lieu of a degree. + **Requires an active Top - Secret /Sensitive Compartmented Information (SCI) clearance at time… more
    Northrop Grumman (10/29/25)
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  • Software Engineer , Level 2…

    Lockheed Martin (Littleton, CO)
    software drivers and firmware wrappers\. * Understanding of missile or satellite software systems \. * Strong problem solving and troubleshooting skills\. * ... Previous C\+\+ or python development/test experience * Active Interim Secret Clearance with ability to obtain TS ...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (01/11/26)
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  • Engineer IV

    General Atomics (Englewood, CO)
    …+ Ability to obtain and maintain a DoD security clearance is required. An active DoD Top Secret ( TS ) security clearance or the ability to obtain TS ... Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range… more
    General Atomics (12/11/25)
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