• Principal Engineer - Mission Operations…

    BAE Systems (Broomfield, CO)
    …recognized by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with the ability to ... **Job Description** We re seeking a self-motivated systems engineer to join our Systems Operations & Sustainment...obtain and maintain a TS /SCI. + Experience in mission operations, including one or… more
    BAE Systems (09/27/25)
    - Related Jobs

  • Principal Engineer Electrical Systems…

    BAE Systems (Westminster, CO)
    …recognized by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with ability to obtain ... to provide continuously evolving capabilities in space payloads. As an electrical system engineer , you will work with a team of electrical engineers through the… more
    BAE Systems (09/09/25)
    - Related Jobs

  • Network Communications Engineer

    SAIC (Boulder, CO)
    …CCNP, CASP+, SCCP, or equivalent certification in accordance with DoD 8140 requirements. + Active Top Secret ( TS ) clearance with Sensitive Compartmented ... **Description** SAIC is seeking a **Network Communications Engineer ** to join our team in Boulder, CO...engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training. We are… more
    SAIC (08/15/25)
    - Related Jobs

  • Software Engineer TSSCI Poly

    Actalent (Aurora, CO)
    Job Title: Software Engineer TS /SCI Poly Job Description We are seeking a Full Stack Developer to design, develop, and implement both frontend and backend ... or Azure. + Bachelor's Degree and 2-20 years of relevant experience. + Active TS -SCI Polygraph. Additional Skills & Qualifications + Experience with JavaScript… more
    Actalent (09/24/25)
    - Related Jobs

  • Senior Cyber Security Engineer (P3)

    RTX Corporation (Aurora, CO)
    …of prior relevant experience + Active and transferable US government issued DoD Top Secret with CI Polygraph security clearance is required prior to start ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (08/15/25)
    - Related Jobs

  • Software Engineer - C++, Python,…

    Lockheed Martin (Littleton, CO)
    …which support our nation's defense systems\.** We are seeking a highly skilled Software Engineer to join our advanced systems development team supporting ... locations will vary based on actual hiring job postings\. **Basic Qualifications:** * Active TS /SCI security clearance * Bachelor's degree in Computer Science,… more
    Lockheed Martin (09/13/25)
    - Related Jobs

  • Chief Systems Engineer

    Lockheed Martin (Littleton, CO)
    …software , power, structures &mechanisms, Guidance Navigation and Control, systems architecture, * Active or Current Top Secret Clearance; US Citizenship ... is looking for an innovative and experienced Chief Systems Engineer to support the team that designs, develops, fields...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (09/13/25)
    - Related Jobs

  • Raytheon Systems Engineer I - Integration…

    RTX Corporation (Aurora, CO)
    …**Qualifications We Prefer:** + Active and in-scope US security clearance of Top Secret + Internship experience supporting system integration and test events ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (09/30/25)
    - Related Jobs

  • DevSecOps Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/ active Top Secret with SCI eligibility ... Red Hat Enterprise Linux and Windows Server virtualized administration and deployment. + **An active Secret US Security Clearance with the ability to obtain a … more
    Sierra Nevada Company, LLC (07/19/25)
    - Related Jobs

  • Systems Integration and Test Engineer

    Lockheed Martin (Littleton, CO)
    …* Experience or familiarity with testing and problem solving for integrated systems * Active Top Secret clearance, thus US Citizenship is required **Desired ... looking for a highly motivated Systems Integration and Test Engineer to become a member of the Systems Engineering...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (08/08/25)
    - Related Jobs