• Senior Principal Cyber Security

    ManTech (Denver, CO)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in the **Denver, CO.** ... customer logs in a standard format to meet policy requirements. ** Security Clearance Requirements:** + Must have a current/active TS/SCI w/Polygraph **Physical… more
    ManTech (07/24/25)
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  • Network Security Engineer

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for a Network Security Engineer with an active Secret clearance to lead the architecture, engineering, integration, ... Mobile, and VPN networks. **Qualifications** + Bachelor's with 15+ years network security (or commensurate experience) + Active Secret Clearance Required, plus… more
    GovCIO (08/02/25)
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  • Sr. Staff Engineering Program Manager - Top Secret…

    Lockheed Martin (Littleton, CO)
    …Raise the Bar standards * Strong oral and written communications skills\. ** Security Clearance Statement:** This position requires a government security ... big, innovate, perform with excellence, and build incredible products? The Trusted Security Systems program is looking for an Engineering Project Manager to manage… more
    Lockheed Martin (07/30/25)
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  • Principal / Senior Principal Cyber Systems…

    Northrop Grumman (Colorado Springs, CO)
    …experience in lieu of degree. + Direct Experience utilizing NIST 800-160 system security engineer and the system development life cycle. + Direct experience ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...of degree. + Direct Experience utilizing NIST 800-160 system security engineer and the system development life… more
    Northrop Grumman (07/05/25)
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  • Systems Administrator (TS/SCI with Poly…

    Fluor (Aurora, CO)
    …of Defense and the Intelligence Community. **Job Description** Must possess a clearance at the TS/SCI access level, and have favorably completed a government ... training where required * Manage all network hardware and equipment; security solutions, including firewall, anti-virus, and intrusion detection systems and hardware… more
    Fluor (07/30/25)
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  • Staff Cyber Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …experience in lieu of degree. + Direct Experience utilizing NIST 800-160 system security engineer and the system development life cycle. + Processing SOW, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...of hire. **Preferred Qualifications for a Staff Cyber Systems Engineer :** + System security architecture experience +… more
    Northrop Grumman (07/05/25)
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  • Associate Cyber Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …experience in lieu of degree. + Direct experience utilizing NIST 800-160 system security engineer and/or the system development life cycle + Direct experience ... Cyber Team has an opening for a **Cybersecurity Systems Engineer (CSSE)** supporting the **Sentinel program** based out of...ISSAP) in accordance with DoD 8570. + Top Secret/SCI Security Clearance with additional preference for SAP… more
    Northrop Grumman (07/26/25)
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  • Senior. Platform Engineer - Linux (FEP)…

    RTX Corporation (Aurora, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...talented Senior. Platform Linux - (Front End Processor (FEP) Engineer ) with experience in traditional infrastructure design to support… more
    RTX Corporation (07/22/25)
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  • Principal Platform Engineer / Linux…

    RTX Corporation (Aurora, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise… more
    RTX Corporation (06/13/25)
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  • Algorithm Developer Engineer - Level 1/2…

    Northrop Grumman (Boulder, CO)
    …business needs + Applicants must have an active current in-scope US Government DoD Secret security clearance at the time of application and is required to start, ... with the ability to obtain and maintain a Top-Secret (TS/SCI) security clearance . **Preferred Qualifications:** + Strong statistical background and skills +… more
    Northrop Grumman (08/08/25)
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