• Senior Specialist, Software Engineer…

    L3Harris (Schriever AFB, CO)
    …related experience. In lieu of a degree, minimum of 10 years of prior related experience. + Top Secret or TS / SCI Clearance + Experience in VMWare and ... interest of national security. Job Title: Senior Specialist, Software Engineer / Virtualization Engineer Job Code: 32251...troubleshooting and support of new system fielding. + Maintain Top Secret Clearance, which requires US Citizenship.… more
    L3Harris (12/20/25)
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  • Principal or Senior Principal Network…

    Northrop Grumman (Keystone, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 50% of the Time **Description** At Northrop Grumman, our ... employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...by Company, based on OCONUS location. + **Active** **DoD** ** Top Secret ** clearance (with a background investigation… more
    Northrop Grumman (01/17/26)
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  • Senior Reliability Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... concept through sustainment\. About the Role: As a Reliability Engineer , you will spend much of your time working...US Citizenship Required with the willingness to obtain/maintain a Top Secret or higher security clearance \-no… more
    Lockheed Martin (12/18/25)
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  • Software Engineer Stf

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... computationally complex problems * Experience with Microsoft software products * Active Top Secret Clearance required for consideration **Desired Skills:** *… more
    Lockheed Martin (12/11/25)
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  • Engineer IV

    General Atomics (Englewood, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret ( SCI access eligible) **Pay Range Low:** ... laws and regulations. + Maintain strict confidentiality of proprietary technology, sensitive information , and mission-critical data. + Perform other duties… more
    General Atomics (01/16/26)
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  • Engineer V

    General Atomics (Englewood, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret ( SCI access eligible) **Pay Range Low:** ... is one of the world's leading resources for high-technology systems . Whether a specific satellite for a specific mission... clearance and be able to obtain and maintain TS / SCI security clearance. **US Citizenship Required?:** Yes… more
    General Atomics (12/11/25)
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  • Command & Control Software Engineer II…

    RTX Corporation (Aurora, CO)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current Command & Control Software Engineer II (Onsite) At Raytheon, ... software using C++ and Java + **Active and transferable Top Secret US government issued security clearance...to start date with the ability to obtain a TS / SCI without Polygraph prior to start.** US… more
    RTX Corporation (01/14/26)
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  • Senior Joint Space Warfighting MS&A…

    Parsons Corporation (Colorado Springs, CO)
    … SCI and Special Access Required eligibility **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for ... Support high-visibility space-based capability studies **Required Skills** : + TS / SCI w/CI Poly (Have an existing poly...with and knowledge of DoD, IC, and commercial satellite systems + Experience working in SCI /SAP environment… more
    Parsons Corporation (12/09/25)
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  • Engineer V

    General Atomics (Englewood, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret ( SCI access eligible) **Pay Range Low:** ... is one of the world's leading resources for high-technology systems . Whether a specific satellite for a specific mission... clearance and be able to obtain and maintain TS / SCI security clearance. **US Citizenship Required?:** Yes… more
    General Atomics (12/23/25)
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  • Principal Engineer Software - X-Lab…

    Northrop Grumman (Colorado Springs, CO)
    …and interpersonal skills **Preferred Qualifications:** + A current, active in-scope DoD-issued ** Top Secret / SCI ** security clearance at the time of ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...to start with the eligibility to be cleared at TS / SCI + Experience with **Java** and **Spring… more
    Northrop Grumman (01/09/26)
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