• Avionics Payload Engineer

    Stratolaunch, LLC (Mojave, CA)
    …seeking a **Level I, II, or Sr-level Avionics or Flight Test Instrumentation Engineer to support the design, build, integration, and testing of experimental customer ... This position involves working with a multi-disciplinary engineering team, program management , and customers. An ideal candidate exudes passion and interest in… more
    Stratolaunch, LLC (10/10/25)
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  • Information System Security Engineer (ISSE)

    KBR (Beavercreek, OH)
    Title: Information System Security Engineer (ISSE) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... is at the forefront of engineering, logistics, operations, science, program management , mission IT and cybersecurity solutions. + Collaborative Environment: Be part… more
    KBR (10/01/25)
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  • Senior Data Scientist

    SOS International LLC (Chantilly, VA)
    Chantilly, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret SCI w/ Poly **Company Description** Founded in 1989, SOSi is among the largest ... this job you will work with a variety of SMEs to analyze data management systems. This role requires the ability to solve complex problems independently and… more
    SOS International LLC (11/21/25)
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  • Sr. Specialist Systems Engineering

    L3Harris (Greenville, TX)
    …Job Location: Greenville, TX Schedule: 9/80 Security Clearance: Must Have an Active DoD Top Secret /SCI to be Considered Job Description: Will be involved in ... as well as at a higher level to both management and customer representatives. Essential Functions: + Ability to...have the ability to obtain and maintain a DoD TS /SCI security clearance which requires US citizenship L3Harris Technologies… more
    L3Harris (11/12/25)
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  • Specialist, Systems Engineering

    L3Harris (Greenville, TX)
    … Secret Security Clearance, with the ability to obtain and maintain a DOD Top Secret ( TS /SCI) Security Clearance is required. Preferred Additional Skills: ... Job Location: Greenville, TX Schedule: 9/80 Job Description: Mid-level Systems Engineer possessing engineering experience to follow system level engineering guidance… more
    L3Harris (11/08/25)
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  • ​​Software Engineer ​

    Leidos (Beavercreek, OH)
    …of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH Office. This is an exciting opportunity to ... helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will...a US Citizen + Must have an active DoD Secret level security clearance **Preferred Qualifications.** + Active DoD… more
    Leidos (12/25/25)
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  • Software Engineer (SWE-2)

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management . At **Leidos** , we offer **competitive benefits** , including Paid… more
    Leidos (12/16/25)
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  • Systems Engineer - Integration and Test

    RTX Corporation (Aurora, CO)
    …Unspecified **U.S. Citizen, US Person, or Immigration Status Requirements:** **Security Clearance:** TS /SCI - Current At Raytheon, the foundation of everything we do ... a safer, more secure world. We have an exciting opportunity for a **Systems Engineer - Integration and Test,** supporting one of our premier programs in the Space… more
    RTX Corporation (12/11/25)
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  • Systems Engineer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Systems Engineer - SME in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management . At **Leidos** , we offer **competitive benefits** ,...Must be a US citizen and have an active TS /SCI with a polygraph + Expert applying expertise and… more
    Leidos (12/11/25)
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  • Junior Platform Engineer

    Applied Research Solutions (Dayton, OH)
    …enterprise application integration (EAI) or data integration platforms. + Experience with identity and access management (IAM), SSO, and role-based access ... Solutions is seeking a skilled and forward-thinking Junior Platform Engineer to join our team. This role is pivotal...+ Must have or be willing to attain a TS /SCI Clearance. + Security+ required, but can be worked… more
    Applied Research Solutions (12/10/25)
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