• Principal Software Engineer (Hybrid)

    RTX Corporation (Aurora, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Solid understanding of object-oriented design, RESTful APIs, and distributed software architectures + Understanding of security technologies… more
    RTX Corporation (01/14/26)
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  • Senior Software Engineer , Level 3

    Lockheed Martin (Colorado Springs, CO)
    …Must be a US Citizen; Must be able to obtain and maintain a Top Secret security clearance \. This position is located at a facility that requires special access\. ... time management skills that enable on\-time project delivery * Active TS/SCI security clearance \#LMSpaceSoftwareEng \#SpaceSecurity ** Security Clearance … more
    Lockheed Martin (11/23/25)
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  • Senior Software Engineer

    Oracle (Denver, CO)
    **Job Description** **This position requires you to be eligible to receive a federal security clearance which requires you to be a US Citizen.** Do you want to ... secure, reliable. + Collaborate closely with cross functional teams, software developers, security specialists, to define and...requires you to be eligible to receive a federal security clearance which requires you to be… more
    Oracle (01/08/26)
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  • Sr Staff / Senior Python Software…

    SciTec (Boulder, CO)
    …of any type. Further, US citizenship is a requirement to obtain and keep a security clearance . Applicants that do not meet these requirement will not be ... considered. SciTec is seeking a talented Python software developer and engineer in Boulder, CO,...location + Ability to obtain and maintain a DoD security clearance + Demonstrated ability for cross-discipline… more
    SciTec (12/06/25)
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  • Staff / Sr Staff C++ Software…

    SciTec (Boulder, CO)
    …experience with Agile software development + A current active DoD SECRET security clearance or higher *Resumes, Cover Letters, and Applications which are ... citizenship is a requirement to obtain and keep a security clearance . Applicants that do not meet...considered. SciTec has an immediate opportunity for a talented software engineer to support our programs delivering… more
    SciTec (11/22/25)
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  • Senior Specialist, Software Engineer…

    L3Harris (Schriever AFB, CO)
    …cyber domains in the interest of national security . Job Title: Senior Specialist, Software Engineer / Virtualization Engineer Job Code: 32251 We are ... seeking a highly skilled and experienced Software Virtualization Subject Matter Expert (SME) to join our...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (12/20/25)
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  • Software Engineer III - Flight…

    Belcan (Englewood, CO)
    Software Engineer III - Flight ...engineers. *The ability to obtain and maintain a US Security Clearance is required Preferred Qualifications: * ... 362251 Category: Software Programming / Dev Description: Job Title: Software Engineer lll - Flight Software Location: Centennial or Louisville, CO… more
    Belcan (01/15/26)
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  • Software Engineer Integration Team

    CACI International (Aurora, CO)
    Software Engineer Integration Team Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... US Anticipated Posting End: 1/31/2026 The Opportunity: As an Software Engineer , you will support the integration.../ Bitbucket, Confluence / Jira, Gitlab, etc. Active TS/SCI clearance Desired: Working in Agile and DevOps / DevSecOps… more
    CACI International (12/17/25)
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  • Software Engineer Level 5

    Northrop Grumman (Aurora, CO)
    …may be considered in lieu of a degree. + **Must have current Top Secret/SCI security clearance at time of application** + Must have an established understanding ... 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 (12/19/25)
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  • Software Engineer Level 4

    Northrop Grumman (Aurora, CO)
    …Systems Sector would love to have you join our team as a Sr. Principal (level 4) Software Engineer based out of based out of Aurora, CO. This is a great ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...of history, they're making history. Are you a multi-talented engineer looking for your next opportunity? We support a… more
    Northrop Grumman (10/29/25)
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