• Senior ProServe Account Executive, WWPS ProServe…

    Amazon (Denver, CO)
    …on premises or in the cloud - Current, active US Government Security Clearance of Top Secret or above - Direct involvement in leading large-scale global IT ... the candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities As an experienced… more
    Amazon (11/19/25)
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  • Senior Space Counter-Space Operational…

    Amentum (Fort Carson, CO)
    …systems. **Requirements:** + Must be a US citizen. + Must possess an active Top Secret ( TS ) clearance with SCI eligibility and be able to obtain a ... with market data.) This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum:… more
    Amentum (10/30/25)
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  • Senior Space / Counter-Space Operational…

    Amentum (Fort Carson, CO)
    …systems. **Requirements:** + Must be a US citizen. + Must possess an active Top Secret ( TS ) clearance with SCI eligibility and be able to obtain a ... with market data.) This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum:… more
    Amentum (10/17/25)
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  • 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 ... of experience can be considered in lieu of degree. + **Must have active TS / SCI clearance at time of application** + Experience developing in Java or C++… more
    Northrop Grumman (10/15/25)
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  • Software Engineer

    Lockheed Martin (Littleton, CO)
    …for software products \(user authentication, data encryption\) and secure development handling classified information \( Secret / TS / SCI \) * Active TS / ... Secret clearance before start and willingness to obtain TS / SCI clearance * Familiarity with the full...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (12/18/25)
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  • Software Engineer

    Lockheed Martin (Aurora, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... Martin is seeking a talented Software Engineer with a TS / SCI clearance to work from either our...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (12/04/25)
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  • Information Systems Security Officer,…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... **Description:** ** TS / SCI clearance with willingness to receive...team, program, and government customers to perform as an Information Systems Security Officer \(ISSO\) for Special Access Programs… more
    Lockheed Martin (10/12/25)
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  • Sr Program Manager

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …(FAR) and Defense Federal Acquisition Regulations (DFARS) + **Active Top Secret US Security Clearance with SCI Eligibility** **Qualifications We Prefer:** + ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (01/06/26)
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  • Client Support Administrator - Nissc - Cmsfs

    Amentum (Fort Carson, CO)
    …at this time** **Remote/Telework: NO - Not available for this position** **Clearance Type: Top Secret with SCI Eligibility** **Shift: Shift work is required ... may be assigned as one of our teammate companies.** **Basic Requirements:** + Must have an active Top Secret with SCI Eligibility + Must have 3 years or more… more
    Amentum (01/03/26)
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  • Counter-Space Intelligence Analyst and Instructor

    UIC Government Services and the Bowhead Family of Companies (Aurora, CO)
    …stakeholder including SAF, SMC, and USSTRATCOM Must currently hold a security clearance at the Top Secret / SCI level. Physical Demands: * Must be able to lift ... injects (ie, research existing intelligence production and submit Requests for Information (RFIs), as required) for Crew Readiness Verifications during SMF dwell… more
    UIC Government Services and the Bowhead Family of Companies (12/27/25)
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