• Electrical Engineer ( TS /SCI…

    Fluor (Aurora, CO)
    …**Job Description** Must have an active (or ability to obtain and maintain) TS /SCI with CI Polygraph Will work under general supervision to initiate, lead, plan, ... 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 * Have… more
    Fluor (10/29/25)
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  • Full Stack Engineer / TS /SCI…

    Lockheed Martin (Littleton, CO)
    …supporting the Space IT Applications team is seeking a full stack engineer with expertise in deploying and sustaining applications in a collaborative, high ... Business & Digital Transformation \(EBDT\) organization** \#EBDT **Basic Qualifications:** \*\* TS /SCI Clearance with CI Polygraph is required prior to start \*\*… more
    Lockheed Martin (11/12/25)
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  • Mechanical Engineer ( TS /SCI…

    Fluor (Aurora, CO)
    …Description** Must have an active (or ability to obtain/maintain) a TS /SCI with polygraph clearance Provides facilities mechanical engineering analysis and oversight ... * US Citizen * Must have an Active (or ability to obtain & maintain) TS /SCI with Poly Clearance Required * Must demonstrate basic computer knowledge (Ie, ability to… more
    Fluor (10/16/25)
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  • RF Engineer - TS /SCI

    Lockheed Martin (Littleton, CO)
    …* Experience reporting and presenting data in a probabilistic manner * Active TS /SCI **Desired Skills:** * Background utilizing COTS and GOTS CEN tools such as ... you must be a US Citizen for consideration\. **Clearance Level:** TS /SCI w/Poly **Other Important Information You Should Know** **Expression of Interest:**… more
    Lockheed Martin (11/22/25)
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  • Environmental Engineer ( TS /SCI…

    Fluor (Aurora, CO)
    …**Job Description** Must possess an active (or ability to obtain and maintain) TS /SCI with Polygraph clearance The purpose of this position is to apply diverse ... Requirements** * Must possess an active (or ability to obtain and maintain) TS /SCI with Polygraph clearance * US Citizen or permanent resident * Experience managing… more
    Fluor (10/23/25)
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  • Automated Test Framework Software Engineer

    Leidos (Aurora, CO)
    …has a new and exciting opportunity for an **Automated Test Framework Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... in National Security!** **Job Summary:** The **Automated Test Framework Software Engineer ** will support the framework of automated tests on multiple environments… more
    Leidos (12/27/25)
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  • Sr. Software Engineer TS /SCI…

    Leidos (Aurora, CO)
    **Description** Leidos has an exciting opportunity for a Sr. Software Engineer ! *Must have an active TS /SCI Polygraph up front. No exceptions.* You will perform ... as both an individual and a member of our top -notch agile development team building a large complex enterprise...and shared actions for developers and testers. You will engineer , author, tune and document automation scripts in a… more
    Leidos (12/10/25)
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  • Voice and Hardware Systems Engineer

    Leidos (Colorado Springs, CO)
    …Sector at Leidos has an opening for a **Voice and Hardware Systems Engineer ** to support a client's requirements in a challenging and dynamic setting located ... operational lifecycle of customer directed mission applications. The **VS/HW Engineer ** will work in a highly collaborative environment with...abilities listed below + US Citizen with an active TS /SCI with Polygraph + Requires BS and 2+ years… more
    Leidos (12/06/25)
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  • F5 Security Engineer - Active TS

    ENS Solutions (Colorado Springs, CO)
    …information systems, telecommunications, or an engineering focused field + Must have an Active TS /SCI and willing to obtain a CI Poly + 5+ years of relevant F5 ... experience with F5 LTM, ASM, BIG-IQ, and/or APM administration and life cycle management including experience with advanced iRule creation and troubleshooting + Ability to handle multiple complex F5 configurations and deployments at once + Understanding of… more
    ENS Solutions (12/27/25)
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  • Virtualization Engineer - Active TS

    ENS Solutions (Colorado City, CO)
    …physical/virtual infrastructure for the future. Our work depends on a Virtualization Engineer joining our team to support Government activities in Sterling, VA or ... Annapolis Junction, MD. As a Virtualization Engineer supporting the Government, you will be responsible for physical/virtual platforms, server build deployments,… more
    ENS Solutions (12/27/25)
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