• Network Engineer Tier 2

    CACI International (Denver, CO)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... an ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network infrastructure, including… more
    CACI International (07/26/25)
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  • Network Operations Center (NOC) Engineer…

    CACI International (Denver, CO)
    Network Operations Center (NOC) Engineer (Tier 2) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... basis. **The Opportunity** : Team CACI is seeking a Network Operations Center Engineer to support a diverse network infrastructure, including CAN, LAN, C&T, CORE,… more
    CACI International (07/26/25)
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  • Network Timing Engineer

    CACI International (Denver, CO)
    Network Timing Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... on an ongoing basis. **Opportunity:** We are seeking an experienced Network Engineer to design, implement, and maintain a CAN/LAN environment hosting complex command… more
    CACI International (07/25/25)
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  • Mechanical Systems Integrator

    Lockheed Martin (Littleton, CO)
    …Propulsion, RF, Software , etc\.\) * Eligibile for or Active or Current Top Secret security clearance with eligibility for SCI \- T5 investigation required ... and train others in their application * Experience as Responsible Systems Engineer \(RSE\), Certified Principal Engineer \(CPE\) or Delegate * Engineering… more
    Lockheed Martin (09/07/25)
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  • Systems Engineering, MBSE

    Lockheed Martin (Littleton, CO)
    …concepts as well as implementing model analysis and execution * Active or Current Top Secret security clearance with eligibility for SCI \- T5 investigation ... career that's built for you\. Lockheed Martin seeks a highly motivated **Systems Engineer for Model Based Systems Engineering \(MBSE\)** to join the Global Security… more
    Lockheed Martin (08/23/25)
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  • Systems Engineer

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do is rooted ... world. We have an exciting opportunity for a **Systems Engineer ** supporting one of our premier programs where your...team + Provide capability and feature designs to the software engineering team in support of agile development +… more
    RTX Corporation (09/26/25)
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  • Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …in an environment that values integrity and excellence\. **THE WORK:** The Systems Engineer contributes to program scope working with a 150\+ C2\-Ground user base ... operating, maintaining and managing Windows/Linux based systems supporting a software development environment\. This position is responsible for supporting the… more
    Lockheed Martin (09/24/25)
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  • Engineer Principal - RF Systems Analyst

    BAE Systems (Broomfield, CO)
    …payload verification. + Lead the development, test and evaluation of hardware, software , support equipment and systems as required. + Prepare and deliver ... mission architecture for the intelligence community. + Current, active TS /SCI or DOD TS security clearance. **Pay...be available based on position level and/or job specifics. ** Engineer Principal - RF Systems Analyst** **114767BR** EEO Career… more
    BAE Systems (09/09/25)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we ... more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and integration support within… more
    RTX Corporation (09/03/25)
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  • Cleared Data Center Mechanical Field…

    Amazon (Denver, CO)
    Description Application deadline: Dec 15, 2025 We have an immediate opening for a Field Engineer in the Denver, CO region. As an Amazon Field Engineer , you will ... risks with recommended mitigations and remediation. - Act as resident engineer during new construction projects. Support construction, commissioning, and turnover.… more
    Amazon (09/30/25)
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