• 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 Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    …more of the following: Windchill, Zuken, PSPICE\. * Must have an active TOP SECRET clearance with the ability to obtain TS / SCI Security Clearance\. Thus ... years professional experience\. * Must have an active DoD ** Top Secret clearance** , thus you are...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (10/25/25)
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  • Guidance, Navigation & Control

    Lockheed Martin (Littleton, CO)
    …required for consideration\. * Top Secret security clearance with adjudicated SCI \(i\.e\. TS / SCI \) is required prior to start\. **Desired Skills:** ... the selected employee to be aU\.S\. Citizen\. * Active Top Secret clearance with SCI ...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/15/25)
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  • Guidance, Navigation, & Control

    Lockheed Martin (Littleton, CO)
    …required for consideration\. * Top Secret security clearance with adjudicated SCI \(i\.e\. TS / SCI \) is required prior to start\. **Desired Skills:** ... the selected employee to be aU\.S\. Citizen\. * Active Top Secret clearance with SCI ...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (10/22/25)
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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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  • SE/SEIT Lead - Top Secret Clearance…

    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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  • 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 (10/11/25)
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  • Principal Level Digital Signal Processing…

    Parsons Corporation (Denver, CO)
    …processing, communications, and signal localization challenges **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... 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 w/ Poly is required + Minimum… more
    Parsons Corporation (09/24/25)
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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, ... 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 (10/29/25)
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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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  • 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 (09/26/25)
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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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  • 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 (10/29/25)
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  • Program Quality Engineer Staff ( TS

    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 ... else related\)\. * US citizenship and an active DOD Top Secret clearance is required to start...required to start with the ability to obtain a TS / SCI w/Poly security clearance\. * Ability to… more
    Lockheed Martin (11/19/25)
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  • Lead Software Engineer Level 4

    Northrop Grumman (Aurora, CO)
    …+ Requires an **active** DoD Top - Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility **at time of application** ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...engineering fundamentals **Preferred Qualifications:** + STEM degree + Active TS with an active/current SCI [ TS more
    Northrop Grumman (10/24/25)
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  • Systems Engineer

    SAIC (Aurora, CO)
    …real-time surveillance and activity-based intelligence information . Active Top Secret / Sensitive Compartmented Information clearance with CI ... **Description** JOB DESCRIPTION: SAIC is seeking a **Systems Engineer ** with strong engineering acumen as well as.... + Must be a US Citizen with active TS / SCI security clearance with a CI polygraph.… more
    SAIC (10/29/25)
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