• RF Engineer (Level II) - TS/SCI w…

    Lockheed Martin (Littleton, CO)
    …our Analysis and Test Team, you will have access to cutting\-edge software modeling tools and state\-of\-the\-art hardware resources, enabling you to tackle unique ... possess an active security clearance level of: **TS/SCI with Polygraph ** * For long term employment on this program,...integrated meshing tools or external 3rd party dedicated meshing software suites * Basic working understanding of Linux for… more
    Lockheed Martin (07/26/25)
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  • Junior Software Engineer - TS/SCI…

    Parsons Corporation (Denver, CO)
    …**Job Description:** Blue Ridge Envisioneering is seeking qualified candidates to fill a ** Software Engineer ** position at our Denver, CO location. Blue Ridge ... Envisioneering, a Parsons Company, is currently searching for full-time **Jr.** ** Software Engineer ** that participate in the design, development, and… more
    Parsons Corporation (09/24/25)
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  • Software Engineer Staff

    Lockheed Martin (Littleton, CO)
    …and find a career that's built for you\. Space Protection Programs is seeking a skilled Software Engineer and Agile Leader who can guide a team through a complex ... mission application software development lifecycle\. Candidate must have the ability to...building solid relationships across Agile Development Teams\. * TS/SCI w / poly **Desired Skills:** Desired skills : * Experience… more
    Lockheed Martin (08/02/25)
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  • Full Stack Software Engineer

    ManTech (Aurora, CO)
    ManTech seeks a **Full Stack** ** Software Engineer ** to join our team in **Southlands, Colorado** . This position is part of a mission-focused team that supports ... Atlassian Suite (JIRA, Confluence) **Security Clearance Requirements:** + Current/active TS/SCI w Polygraph **Physical Requirements** + Ability to remain in… more
    ManTech (08/08/25)
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  • Software Test Engineer Staff

    Lockheed Martin (Littleton, CO)
    …new era in space and find a career that's built for you\. This Software Engineering position requires participation in the integration and test of complex mission ... application software within Space Protection Programs at Lockheed Martin\. Responsibilities...or procedures\. * Active TS/SCI security clearance with CI Polygraph **Desired Skills:** Desired skills : * Develop test… more
    Lockheed Martin (08/02/25)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our ... safer, more secure world. As a **Senior Platform DevOps Engineer ** , you will herald a transformative era in...** , you will herald a transformative era in software engineering, one that underscores the integration of development… more
    RTX Corporation (08/30/25)
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  • Mid Level Digital Signal Processing…

    Parsons Corporation (Denver, CO)
    …signal localization challenges **Security Clearance Requirement:** An active Top Secret SCI w / Polygraph security clearance is required for this position.​ This ... seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA....Electrical Engineering, Computer Engineering or related discipline + TS/SCI w / Poly is required + Minimum of 5 years… more
    Parsons Corporation (09/24/25)
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  • Network Engineer Tier 3

    CACI International (Colorado Springs, CO)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network infrastructure,… more
    CACI International (07/26/25)
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  • 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 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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