• Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …of experience may be considered in lieu of a degree. + **Must have current Top Secret / SCI security clearance at time of application.** + Experience ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (09/21/25)
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  • Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …years of experience may be considered in lieu of a degree. + **Must have current Top Secret / SCI security clearance at time of application.** + Must have an ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (09/20/25)
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  • Mid-Level Software Engineer

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (10/05/25)
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  • Software Engineer - C++, Python,…

    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** ... nation's defense systems\.** We are seeking a highly skilled Software Engineer to join our advanced systems...on actual hiring job postings\. **Basic Qualifications:** * Active TS / SCI security clearance * Bachelor's degree in… more
    Lockheed Martin (09/13/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel ... Posting End: 12/1/2025 **The Opportunity:** CACI is seeking a Software Engineer to join a highly energetic...the impact of your work. **Qualifications:** **Required:** + Active TS / SCI with the ability to obtain a… more
    CACI International (10/23/25)
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  • Sr. Specialist, Software Engineer

    L3Harris (Colorado Springs, 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 ... 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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  • X-LAB Software Engineer

    Lockheed Martin (Schriever AFB, CO)
    …* Experience in the use of software test and analysis tools **Desired Skills:** * Top Secret Clearance with SCI eligibility is a plus * Experience with ... We are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (11/14/25)
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  • Cyber Software Engineer - Early…

    Lockheed Martin (Denver, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Martin Space is seeking a full\-time Early Career Cyber Software Engineer \. Your responsibilities will include: +...operating systems: _Linux, Unix, macOS, Windows, Android, iOS_ **Active TS clearance with SCI eligibility required prior… more
    Lockheed Martin (11/09/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: ... + The ability to obtain and maintain and US Government Clearance at the TS / SCI level. + Previous experience with wireless protocols (eg, 3GPP cellular protocols,… more
    CACI International (11/14/25)
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  • Java Software Engineer

    CACI International (Aurora, CO)
    Java Software Engineer Job Category: Engineering Time Type:...in a STEM field + 5+ years of relevant software development experience + Active TS / SCI ... Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage... software development and automated testing! **An active TS / SCI clearance with Polygraph is required to… more
    CACI International (10/03/25)
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