• Mid Career Cybersecurity 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 ... **Description:** * Develop and implement Cybersecurity designs in satellite systems * Develop space and ground cryptographic architectures *...of supply chain risk management * Possess an active TS / SCI security clearance * Compliance with DoD… more
    Lockheed Martin (08/14/25)
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  • Project Engineer SME

    Leidos (Denver, CO)
    …Denver, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI , as well as a Polygraph. **Primary ... Advantage Solutions Business Area, is currently seeking a highly experienced Project Engineer who will be responsible for engineering technical aspects of the… more
    Leidos (10/01/25)
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  • Lead System Security Engineer

    Parsons Corporation (Boulder, CO)
    …Docker + Familiarity with MBSE/SysML system engineering **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... is looking for an amazingly talented **Lead System Security Engineer ** to join our team! **What You'll Be Doing:**...able to obtain within 6 months of hire: Certified Information Systems Security Professional (CISSP), Certified … more
    Parsons Corporation (09/23/25)
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  • Cyber Security Engineer

    Huntington Ingalls Industries (Colorado Springs, CO)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $112,986.00 - $161,408.00 Security Clearance: TS / SCI Level of Experience: Mid This opportunity resides with ... to enforce granular controls. Defines, plans, designs, and evaluates information security systems , including those operating within...13 years relevant experience. + Must possess an active TS / SCI clearance. + Ability to analyze system… more
    Huntington Ingalls Industries (08/02/25)
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  • Spacecraft Mechanical Engineer

    General Atomics (Englewood, CO)
    …required. + Experience with MATLAB is helpful + Ability to obtain and maintain a DoD TS - SCI security clearance is required, an active and current TS / SCI ... affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted… more
    General Atomics (09/14/25)
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  • 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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  • Engineer Principal RF Communication…

    BAE Systems (Boulder, CO)
    …US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required. + Microwave, radio frequency, and/or optical ... **Job Description** **US CITIZENSHIP REQUIRED** Join the Space Vehicle Systems Engineering Telecommunications team at BAE Systems SMS - a group of motivated… more
    BAE Systems (09/09/25)
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  • Senior Software Infrastructure 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 ... **Qualifications You Must Have** + Active and transferable US government issued ** TS / SCI with Polygraph** security clearance is required prior to start… more
    RTX Corporation (08/30/25)
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  • Platform Engineer II / Full Stack Developer…

    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 ... secure world. We are seeking a highly motivated **Platform Engineer II / Full Stack Developer** . The ideal...Artifactory, Jenkins, Bitbucket, Jira, Confluence, Sonarqube etc + Current TS / SCI issued security clearance is required day… more
    RTX Corporation (09/19/25)
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