• Mission Engineer - Ground Systems

    Space Dynamics Laboratory (Colorado Springs, CO)
    …of design decisions Required Qualifications: + Must be a US citizen with an active DoD Top Secret security clearance and SCI eligibility + 10-15+ years of ... network connectivity, including space command and control cross-domain solutions, network security , software development, integration, and test + Support ground… more
    Space Dynamics Laboratory (11/22/25)
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  • Principal Cybersecurity Engineer (ISSO)…

    RTX Corporation (Schriever AFB, CO)
    …to join the Cyber Security Engineering team for a **Principal Cyber Security Engineer ISSO-P4** position supporting the operations and maintenance of custom ... experience + Active and transferable US government issued DoD Secret security clearance is required prior to...**Qualifications We Prefer** + The ability to obtain a Top Secret /SCI clearance + An advanced degree… more
    RTX Corporation (01/14/26)
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  • Systems Engineer , Requirements…

    Lockheed Martin (Littleton, CO)
    …specifications, and reviewing verification evidence * Active or Current Secret or Top Secret Security Clearance ** Security Clearance Statement:** ... IBM DOORS Classic * Eligibility and willingness to obtain and maintain a Secret Security Clearance \- US Citizenship required **Desired Skills:** * Bachelor… more
    Lockheed Martin (01/17/26)
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  • Project Engineer I

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required ... mission to unify, explore and inspire. As a Project Engineer I, you'll implement an integrated plan for product...planning. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR… more
    Sierra Nevada Company, LLC (01/20/26)
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  • Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …of a degree, minimum of 8 years of prior related experience. + Must have active Secret security clearance, TS /SCI preferred. + DoD 8140.03 IAT Level 3 ... of national security . Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job...use of cybersecurity tools (ACAS, SCAP, etc.). + Support security engineering activities, including test , configuration management… more
    L3Harris (11/12/25)
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  • Engineer I - RF Systems Analyst

    BAE Systems (Broomfield, CO)
    …sensing payload and mission architecture for the intelligence community. + Current, active TS /SCI or DoW TS security clearance. **Pay Information** Full-Time ... of Education, US Department of Education. + Ability to obtain and maintain TS /SCI Polygraph security clearance is required. + Familiarity in computer application… more
    BAE Systems (01/17/26)
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  • Kubernetes Engineer

    Leidos (Colorado Springs, CO)
    …in lieu of degree. + US Citizen and Possession of a current Active DoD Top Secret Clearance with SCI eligibility. + Minimum 8 years of professional experience ... deploying and hosting current and future tools and services needed to develop, test , secure, and ship software applications to production. Candidate will be expected… more
    Leidos (11/21/25)
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  • Systems Engineer - Enterprise Integration…

    Lockheed Martin (Littleton, CO)
    …Experience in working and planning in an Agile environment and tools * Active TS security clearance **Desired Skills:** * Demonstrated ability to team across ... you\. **Lockheed Martin seeks an innovative and talented Systems Engineer to join the Global Security team...work in a fast\-paced, dynamic team environment * Active TS /SCI security clearance ** Security Clearance… more
    Lockheed Martin (12/06/25)
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  • Mechanical Engineer

    Lockheed Martin (Littleton, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...pushing the boundaries of space propulsion\. As a Propulsion Engineer focused on electric propulsion, you will be responsible… more
    Lockheed Martin (11/22/25)
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  • RF Engineer

    Lockheed Martin (Littleton, CO)
    …using a range of tools and techniques **Selected candidate must have an active TS /SCI security clearance for consideration\.** **This is an MID CAREER \(level ... team is seeking a highly skilled and motivated RF Engineer Stf to join our development team\. As member...with CAD software suites such as AutoCAD * Active TS /SCI security clearance is required for consideration… more
    Lockheed Martin (01/09/26)
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