• Sr. Software Engineer

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Solutions Business Area, is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers mission-driven software… more
    Leidos (10/05/25)
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  • HVAC Engineer

    DCCA (Boulder, CO)
    …HVAC Engineer Candidate must have an active TS / SCI Program: DCCA is recruiting candidates for an ... HVAC Engineer Location Boulder, CO Job Code 2429 #...and HVAC system upgrades or changes Requirements: An active TS / SCI clearance is required. At a minimum,… more
    DCCA (11/14/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (Aurora, CO)
    …certification - Bachelor's degree or above in Computer Science, Computer Engineering, Information Management, Information Systems , or other related ... Web Services (AWS) is looking for a Network Infrastructure Engineer to build Amazon Dedicated Cloud regions as part...Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job… more
    Amazon (10/22/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (Broomfield, CO)
    …Qualifications - Certifications to including CCNA, CCNP or JNCIA. - BS in Information Systems or Computer Science and/or relevant certifications - Understanding ... Web Services (AWS) is looking for a Network Infrastructure Engineer to build Amazon Dedicated Cloud regions as part...Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job… more
    Amazon (09/19/25)
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  • Principal Optical Design Engineer

    BAE Systems (Westminster, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required. + 3 years or more of space based ... art optical designs for space based and airborne optical systems . + Help BAE Systems advance our...Master s degree or PhD in Optical Engineering. **Pay Information ** Full-Time Salary Range: $115779 - $196825 Please note:… more
    BAE Systems (11/14/25)
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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 (10/24/25)
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  • Senior. Platform Engineer - Linux (Onsite)

    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 ... world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer / Linux** with well-rounded Linux Infrastructure Engineering expertise...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI CI Poly issued security clearance is… more
    RTX Corporation (11/19/25)
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  • Principal Platform Engineer / Linux…

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... with Agile Development Methodologies (Eg scrum, SAFe) + Experience with VMware + Current TS / SCI issued security clearance is required day 1. US citizenship is… more
    RTX Corporation (11/04/25)
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  • Principal Signals Software Engineer…

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Poly - Current At Raytheon, the foundation of everything ... concepts and requirements. **Qualifications You Must Have** + Active and transferable ** TS / SCI with Polygraph** US government issued security clearance prior to… more
    RTX Corporation (10/13/25)
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  • Senior DevSecOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... We have an exciting opportunity for a Senior DevSecOps Engineer to join our high-impact team supporting a mission-critical...Helm deployments). + Active and transferable US government issued TS / SCI security clearance is required prior to… more
    RTX Corporation (10/01/25)
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