• Staff Systems Engineer - TS Required

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Interest:** By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match\. Should this match be identified you may be… more
    Lockheed Martin (08/13/25)
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  • Principal Linux Systems Administrator - 10K Sign…

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come break things (in a good ... way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."… more
    Leidos (08/11/25)
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  • Principal/Sr Principal DevOps Engineer ( TS

    Northrop Grumman (Aurora, CO)
    …assessment._ **Basic Qualifications** + Must have an active US Government DoD Top Secret /Sensitive Compartmented Information (SCI) security clearance and a ... favorably adjudicated polygraph at time of application + Minimum years of experience needed to be considered: + Level 3 (Principal) + 5 Years of relevant DevOps experience with a completed bachelor's degree + 3 Years of relevant DevOps experience with a… more
    Northrop Grumman (07/31/25)
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  • Orbital Analyst/Principal Orbital Analyst…

    Northrop Grumman (Colorado Springs, CO)
    …assessment._ **Basic Qualifications** + Must have an active US Government DoD Top Secret /Sensitive Compartmented Information (SCI) security clearance with an ... adjudicated Polygraph at time of application + Must have a completed STEM degree _[_ _a degree in the fields of science, technology, engineering, or mathematics]_ + Level 2: + 2 Years of relevant experience with a completed Bachelor's (STEM) + 0 Years of… more
    Northrop Grumman (07/23/25)
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  • Principal Network Engineer (* TS /SCI…

    Northrop Grumman (Aurora, CO)
    …Configs). **Basic Qualifications:** + Must have an active US Government DoD Top Secret /Sensitive Compartmented Information (SCI) security clearance with an ... adjudicated Polygraph at time of application + Bachelor's degree and 5 years of relevant work experience; 3 years of relevant work experience with a Master's degree. An additional 4 years of relevant work experience may be considered in lieu of a degree. +… more
    Northrop Grumman (07/10/25)
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  • Senior Finance Manager ( TS /SCI clearance…

    Fluor (Aurora, CO)
    …NNSA, the Department of Defense and the Intelligence Community. **Job Description** Active TS /SCI clearance with the ability to obtain and maintain a CI polygraph ... and work in a time-conscious and time-effective manner **Other Job Requirements** * Active TS /SCI clearance with the ability to obtain and maintain a CI polygraph *… more
    Fluor (08/26/25)
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  • TDY Cleared Security Escort ( TS ++)

    Amentum (Denver, CO)
    …and requires the ability to rotate to various locations around the US An active TS /SCI w/Poly is required. These roles will be on-site.** Join our team of front-line ... sensitive documents. **Basic Qualifications:** . Must have an Active TS /SCI w/Poly US Government Clearance. Note: US Citizenship is...Clearance. Note: US Citizenship is required to obtain a TS /SCI w/Poly Clearance. . Ability to walk and stand… more
    Amentum (08/26/25)
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  • Information Systems Analyst / TS /SCI Poly…

    Lockheed Martin (Littleton, CO)
    …are properly accounted for, managed, and controlled\. This position requires an active TS /SCI clearance with a CI Poly to start\. U\.S\. Citizenship required for ... and site management on all outstanding matters/issues **Basic Qualifications:** *Active TS /SCI with CI Poly clearance *Must possess CompTIA Security\+ Certification… more
    Lockheed Martin (08/13/25)
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  • Power Plant Operator ( TS /SCI…

    Fluor (Aurora, CO)
    …**Job Description** Must have an active (or ability to obtain and maintain) TS /SCI with CI Polygraph Summary : Monitoring, operating, and maintaining all equipment ... * Have or have the ability to obtain a TS /SCI with Poly Clearance and comply with all background...have an active (or ability to obtain and maintain) TS /SCI with CI Polygraph * Current EPA Refrigeration License… more
    Fluor (08/08/25)
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  • Windows System Administrator (Onsite - TS

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph RTX Corporation is an Aerospace and Defense company that ... role is onsite in Aurora, CO and requires a TS /SCI with active polygraph in order to be considered**...US citizens are eligible for a security clearance. + TS /SCI with active poly + Ability to lift up… more
    RTX Corporation (07/30/25)
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