• Terrestrial COMSEC Network Engineer

    CACI International (Colorado Springs, CO)
    …responsible for executing the communications security program, ensuring the protection of sensitive information transmitted network connected and point to point ... Terrestrial COMSEC Network Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… 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 ... ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network...field + 5+ years of related work experience + TS / SCI w/ poly is required + DoD… 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 ... in their activities. + Clearly communicates, verbally and written **Qualifications:** + TS / SCI with Poly required + Bachelor's degree in Computer Science,… 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 ... ongoing basis. **Opportunity:** We are seeking an experienced Network Engineer to design, implement, and maintain a CAN/LAN environment...experience + 10+ years of related work experience + TS / SCI w/ poly is required + Advanced… more
    CACI International (07/25/25)
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  • Satellite Systems Engineer

    CACI International (Aurora, CO)
    …Job Category: Intelligence Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... and optimization **Qualifications:** _Required:_ + 3-6 years applicable experience + Active TS / SCI with Polygraph ] + Strong communication skills, highly… more
    CACI International (07/24/25)
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  • Requirements Lead

    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 ... mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\....with MBSE concepts including Cameo * Active or Current TS / SCI Clearance; US Citizenship required **Desired Skills:**… more
    Lockheed Martin (09/17/25)
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  • Cleared Software Engineer Intern - Summer

    CACI International (Denver, CO)
    …Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Part-Time On-Call Percentage of Travel ... **Qualifications:** _Required:_ + Must be able to obtain and maintain applicable TS / SCI with Poly. + Must currently be enrolled in a full-time Undergraduate,… more
    CACI International (10/08/25)
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  • Senior. Platform DevSecOps Engineer

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... a safer, more secure world. As a **Senior DevSecOps Engineer ** , you will herald a transformative era in...CE or equivalent) + Active and current US government TS / SCI with CI Poly security clearance is… more
    RTX Corporation (10/07/25)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... team environment (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (10/07/25)
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  • Systems Integration and Test Engineer

    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 ... seeks an innovative and talented Systems Integration and Test Engineer to join the Global Security team in Denver,...testing and problem solving for integrated systems * Active TS / SCI clearance, thus US Citizenship is required… more
    Lockheed Martin (10/04/25)
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