• Senior Software Engineer

    KBR (Colorado Springs, CO)
    Security Clearance: Must have an active US government Top Secret security clearance with the ability to obtain SCI SI/TK, which is something only a ... Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our… more
    KBR (07/20/25)
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  • RF Engineer (Level II) - TS

    Lockheed Martin (Littleton, CO)
    …* In order to be considered for this position, applicants must possess an active security clearance level of: ** TS / SCI with Polygraph** * For long term ... selected candidates will be required to maintain an active security clearance level of: ** TS / SCI ...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (07/26/25)
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  • Senior Software Engineer

    KBR (Colorado Springs, CO)
    … Clearance: Must currently possess an active US government Top Secret security clearance with the ability to obtain SCI SI/TK, which is something only a ... Software Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our… more
    KBR (08/09/25)
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  • Software Engineer TS / SCI

    Leidos (Aurora, CO)
    …activities as a member of an agile development team. You must have an active/current TS / SCI Polygraph up front (this is firm). The development here includes the ... **Description** Leidos is looking for a Software Engineer to join a high performing agile team... Clearance requirement:** + Candidates must possess an active ** TS / SCI with Polygraph** to be considered for… more
    Leidos (06/17/25)
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  • Software Configuration Management Engineer

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with Polygraph At Raytheon, fresh thinking and ... technology, Information Technology (IT), and/or development/scripting experience + Current Security + Certification. + Active and transferable TS / SCI more
    RTX Corporation (07/24/25)
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  • Electrical Engineer ( TS

    Fluor (Aurora, CO)
    …Community. **Job Description** Must have an active (or ability to obtain and maintain) TS / SCI with CI Polygraph Will work under general supervision to initiate, ... ensure quality through testing and validation activities. The Electrical Engineer shall perform, but not limited to: * Support...have an active (or ability to obtain and maintain) TS / SCI with CI Polygraph * US citizen… more
    Fluor (07/30/25)
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  • Sr. Enterprise Account Engineer , National…

    Amazon (Denver, CO)
    …candidate selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. *While this role is posted in ... best value and service from AWS? At AWS National Security we're looking for a Enterprise Account Engineer...as a technical lead - Current, active US Government Security Clearance of TS / SCI with… more
    Amazon (07/24/25)
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  • Full Stack Systems Engineer IT / TS

    Lockheed Martin (Littleton, CO)
    …* Creating / editing Standard Operating Instructions \(SOI\) documentation **Basic Qualifications:** * TS / SCI Security Clearance with CI Polygraph Required * ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (07/12/25)
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  • Mechanical Engineer ( TS

    Fluor (Aurora, CO)
    …**Job Description** Must have an active (or ability to obtain/maintain) a TS / SCI with polygraph clearance Provides facilities mechanical engineering analysis and ... have an Active (or ability to obtain & maintain) TS / SCI with Poly Clearance Required * Must...duties of the position. **Preferred Qualifications** * Registered Professional Engineer * Advanced knowledge of discipline codes and standards,… more
    Fluor (07/18/25)
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  • Principal Systems Engineer - Active…

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...We have an exciting opportunity for a Principal System Engineer to join our team. The role is supporting… more
    RTX Corporation (07/30/25)
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