• Manager, Info Security Systems Engineer

    L3Harris (Broomfield, CO)
    …cyber domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer TS / SCI - Boulder, CO Job Code: 31261 Job Location: ... a degree, minimum of 13 years of prior related experience. + Minimum of active Top Secret / SCI security clearance required, with polygraph is highly desired.… more
    L3Harris (11/15/25)
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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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  • 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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  • 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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  • Software Engineer Level 2

    Northrop Grumman (Aurora, CO)
    …be considered in lieu of degree. + **Requires an active Top - Secret / Sensitive Compartmented Information ( SCI ) clearance at time of application** ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...of history, they're making history. Are you a multi-talented engineer looking for your next opportunity? We support a… more
    Northrop Grumman (10/29/25)
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  • Staff / Sr Staff Systems Engineer

    SciTec (Boulder, CO)
    …will be preferred + Current TOP SECRET clearance with eligibility for Sensitive Compartmented Information + At least five years of relevant work ... has an immediate opportunity in our Boulder, CO office for a Systems Engineer specializing in software systems and remote sensing data processing. This engineer more
    SciTec (10/04/25)
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  • Principal Data Modeler and Database…

    RTX Corporation (Aurora, CO)
    …to perform database administration activities, deployment automation. + Active and transferable Top Secret US government issued security clearance is required ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation...Raytheon is hiring a **Principal Data Modeler and Database Engineer ** to support our teams in **Richardson TX** or… more
    RTX Corporation (10/13/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is… more
    RTX Corporation (10/09/25)
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  • Systems Engineer

    Lockheed Martin (Denver, CO)
    …Eligibility MUST BE AU\.S\. CITIZEN \- The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. **Basic ... **Description:** You will be a **Systems Engineer ** for the R&D team that investigates and...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (11/13/25)
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  • Cyber Software Test Engineer

    Lockheed Martin (Denver, CO)
    …Opportunity** **MUST BE AU\.S\. CITIZEN** - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 ... **Description:** You will be the **Cyber Test Exploitation Engineer ** for the research and development team, responsible...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (10/10/25)
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  • Digital Signal Processing Engineer Junior

    Parsons Corporation (Denver, CO)
    TS / SCI w/polygraph is preferred **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... 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 + Minimum of 2… more
    Parsons Corporation (11/18/25)
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  • Engineer II - Mission Ops Systems…

    BAE Systems (Broomfield, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with ability to obtain and maintain ... **Job Description** We re seeking a self-motivated systems engineer to join our Systems Operations & Sustainment...TS / SCI . + Experience in mission operations, including… more
    BAE Systems (11/07/25)
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  • Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Space Systems (NGSP) seeks to fill a **Principal** **Software Engineer (Level 3) or a Sr. Principal** **Software ...considered in lieu of degree. + **Must have active TS / SCI clearance at time of application** +… more
    Northrop Grumman (10/15/25)
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