• Fluor Corporation (Aurora, CO)
    …and the Intelligence Community. Job Description Must possess a clearance at the TS / SCI access level, and have favorably completed a government issued polygraph. ... the final close-out report and reviews. *Collaborate with Project Controls to manage a comprehensive change control ...Other Job Requirements *Must possess a clearance at the TS / SCI access level and have favorably completed… more
    Upward (08/11/25)
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  • Rocket Lab Corporation (Littleton, CO)
    …obtain and maintain one THESE QUALIFICATIONS WOULD BE NICE TO HAVE: Active TS / SCI clearance Rapid conceptual design iteration experience Hands-on development and ... Join our pioneering team and launch your career to new heights! SENIOR AVIONICS ENGINEER I - MISSION FORMULATION Based out of Rocket Lab's global headquarters in… more
    Upward (08/10/25)
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  • Principal/Senior Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... **not** available for this position. Must have an active TS with SCI eligibility to be considered...+ Track/log Real World Events **Basic Qualifications:** + DoD Top Secret clearance that is or has… more
    Northrop Grumman (08/22/25)
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  • Electronics Responsible Engineer IV,…

    Lockheed Martin (Littleton, CO)
    Engineer of analog and/or digital electronics\. * Must have an active TOP SECRET clearance with the ability to obtain TS / SCI Security Clearance\. Thus ... with a PhD\. * Must have an active DoD ** Top Secret clearance** , thus you are...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/13/25)
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  • Staff Systems Engineer ( TS

    Northrop Grumman (Aurora, CO)
    …Qualifications:** + Must have an **active** US Government DoD Top Secret / Sensitive Compartmented Information ( SCI ) security clearance **at the ... 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 (10/09/25)
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  • Electromagnetic Environmental Effects (E3)…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... ensuring security and prosperity\. As an Electromagnetic Engineering Effects \(E3\) Engineer , you will support the System Engineering \(SE\) Special Disciplines… more
    Lockheed Martin (09/20/25)
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  • Lead Sr. Staff SE/SEIT - Top Secret

    Lockheed Martin (Littleton, CO)
    …the future of our systems engineering efforts\! **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * Strong ... cutting\-edge solutions to our customers within the Command and Control \(C2\) Domain\. As a "Family of Programs," we...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/24/25)
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  • Sr Staff Systems Architect - Top

    Lockheed Martin (Littleton, CO)
    …"Lockheed Martin Deer Facility in Littleton CO"\. **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * ... cutting\-edge solutions to our customers within the Command and Control \(C2\) Domain\. As a "Family of Programs," we...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/24/25)
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  • Mid Level Digital Signal Processing…

    Parsons Corporation (Denver, CO)
    …processing, communications, and signal localization challenges **Security Clearance Requirement:** An active Top Secret SCI security clearance is required ... seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA....in Electrical Engineering, Computer Engineering or related discipline + TS / SCI is required ( TS / SCI more
    Parsons Corporation (09/24/25)
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  • Controls Engineer ( TS

    Fluor (Aurora, CO)
    …Job Requirements** * Must have an active (or ability to obtain and maintain) TS / SCI with CI Polygraph * Must demonstrate basic computer knowledge (Ie, ability ... and guidelines * Expertise in PLC Programming, HMI Configuration, SCADA Systems, Control System Design, Control System Troubleshooting, and Piping and… more
    Fluor (07/12/25)
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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, ... include single, three-phase, and DC power distribution, lighting, lighting controls , grounding, HVAC control , and life safety...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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  • 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...**Security Clearance requirement:** + Candidates must possess an active ** TS / SCI with Polygraph** to be considered for… more
    Leidos (09/15/25)
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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: + ... has a new and exciting opportunity for a **Software Engineer ** in our **National Security Sector's (NSS) Cyber &...**Security Clearance requirement:** + Candidates must possess an active ** TS / SCI with Polygraph** up frontto be considered… more
    Leidos (08/26/25)
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  • Senior Systems Engineer - TS

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... We have an exciting opportunity for a **Senior Systems Engineer ** supporting one of the premier programs within the...experience on a government contract + Active and transferable TS / SCI US government issued security clearance is… more
    RTX Corporation (08/20/25)
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  • Quality Assurance/CSI Systems Engineer

    Leidos (Aurora, CO)
    …of maintenance and operations documentation. **Basic Qualifications:** + US Citizen with a TS / SCI with Polygraph + Bachelor's Degree with8+ years of applicable ... has an opening for a **Quality Assurance/Continuous Service Improvement (CSI) System Engineer ** to support a client's requirements in a challenging, dynamic setting… more
    Leidos (10/09/25)
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  • Software Engineer TS / SCI

    Leidos (Aurora, CO)
    **Description** Leidos has an exciting opportunity for a 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 reusable. You will provide software process management and control throughout the coding portion of the software development… more
    Leidos (09/27/25)
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  • Automated Test Framework Software Engineer

    Leidos (Aurora, CO)
    …quarterly PI Planning sessions in MD. + **Clearance Required: Must have TS / SCI with Polygraph.** **Preferred Qualifications:** + Experience working with ... has a new and exciting opportunity for an **Automated Test Framework Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (09/27/25)
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  • Principal Software Engineer - 25k Sign On…

    Leidos (Aurora, CO)
    …from an accredited college or university. + **Clearance Required: Must have TS / SCI with Polygraph** **Preferred Qualifications:** + Java development experience + ... has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber &...data repository interfaces/queries. + Proven ability to ensure quality control of developed and modified software. CONMD CSSRC At… more
    Leidos (07/25/25)
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  • Project Manager ( TS / SCI

    Fluor (Aurora, CO)
    …role. **Job Description** Must have an active (or the ability to obtain and maintain) TS / SCI with CI Polygraph The purpose of this position is to perform the ... an active (or the ability to obtain and maintain) TS / SCI with CI Polygraph The purpose of...* Requires three (3) years of experience as Project Engineer or Specialist, or a project role of significant… more
    Fluor (09/17/25)
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  • Systems Administrator ( TS / SCI

    Fluor (Aurora, CO)
    …and the Intelligence Community. **Job Description** Must possess a clearance at the TS / SCI access level, and have favorably completed a government issued ... The Systems Administrator is highly knowledgeable within designated Industrial Control System (ICS) Information Technology (IT) area...Job Requirements** * Must possess a clearance at the TS / SCI access level, and have favorably completed… more
    Fluor (07/30/25)
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