• Space Acquisition Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …, architectures, and hardware and software solutions. The Space Acquisition Systems Engineer will serve as the System Program Office (SPO) Subject Matter ... space protection capabilities into space operations. The Space Acquisition Systems Engineer collaborates within a team of mission -related SMEs to plan,… more
    Sciolex Corporation (10/09/25)
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  • Senior Information System Security…

    Leidos (Alexandria, VA)
    …optimization, security operations, and decision intelligence. We're the minds behind the mission -critical systems that keep our nation secure. **Ready to ... The Digital Modernization Sector at Leidos is seeking a dynamic **Information Systems Security Engineer (ISSE)** to support cloud modernization initiatives for… more
    Leidos (10/18/25)
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  • Systems Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos Intelligence Group is seeking a Systems Engineer to support an enterprise IT program that is responsible for building and operating a ... hybrid-cloud mission infrastructure and services, hosting dozens of COTS, GOTS,..., equipment and technologies to improve and enhance existing systems . The System Engineers will diagnose and… more
    Leidos (09/24/25)
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  • Sr. RF Systems Engineer

    KBR (Chantilly, VA)
    Title: Sr. RF Systems Engineer Job Posting Description KBR is seeking a highly qualified Sr Radio Frequency (RF) Systems Engineer to join our team. The ... successful candidate will possess a understanding of government satellite systems , a insight into RF mission fundamentals, and the ability to perform analysis as… more
    KBR (09/23/25)
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  • Systems Engineer SME

    Leidos (Chantilly, VA)
    …+ Deep expertise in systems engineering principles, enterprise architecture, and mission -critical system integration in an IC or DoD environment. + Proven ... the Decision Advantage Solutions Business Area, is currently seeking a highly experienced Systems Engineer Subject Matter Expert (SME) for the Chinook Program.… more
    Leidos (10/11/25)
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  • Software Engineer II - Training…

    RTX Corporation (Sterling, VA)
    …impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete ... are eligible for a security clearance​ **Security Clearance:** Secret - Current **Software Engineer II** **- Training System Software (Onsite)** We are currently… more
    RTX Corporation (09/16/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    …Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will ... will be responsible for providing strategic engineering support across the full systems engineering lifecycle, ensuring technical rigor, mission alignment, and… more
    Leidos (10/11/25)
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  • IT Systems Security Engineer

    SAIC (Springfield, VA)
    …in remediation tasks. + Conduct risk and vulnerability assessment of information systems to identify vulnerabilities, risks, and protection needs. + Facilitate ... Management Framework (RMF), and categorizing methods + Ensure the protection of the security system through implementation...Controls + Nessus & DISA STIG Remediation + Troubleshooting system issues + Linux Operating systems REQNUMBER:… more
    SAIC (10/07/25)
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  • Principal Software Systems Engineer…

    RTX Corporation (Sterling, VA)
    …https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference- system ... Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a...and exposure within Precision Navigation, Resilient Navigation Solutions, and Mission Systems . + You will gain exposure… more
    RTX Corporation (10/29/25)
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  • System Engineer

    Leidos (Fort Belvoir, VA)
    **Description** **Take Command of National Defense-Join Leidos as a Systems Engineer !** Are you ready to step into a role where **cutting-edge technology meets ... national security** ? Leidos is seeking a **high-caliber Systems Engineer ** to **fortify** the Missile Defense...to **redefine security strategies, innovate defense solutions, and drive mission success in one of the country's most critical… more
    Leidos (08/28/25)
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