• Splunk Security Engineer (TS/SCI) (Ft.…

    SMX (Fort Belvoir, VA)
    Splunk Security Engineer (4672) (TS/SCI) (Ft. Belvoir, VA)at SMX(View all jobs) (https://www.smxtech.com/careers/) Fort Belvoir, VA SMX is seeking a **Splunk ... Engineer ** responsible for implementing, configuring, and managing Splunk environments...system architecture. + System inventories to track hardware and software components. + Collaborate with the security team to… more
    SMX (01/02/26)
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  • Mid-Level Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    Title: Mid-Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... shape the future of space defense. KBR is seeking a Modeling And Simulation Engineer with in-depth knowledge of satellite relevancy to Department of Defense and the… more
    KBR (12/16/25)
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  • Full Stack Infrastructure Engineer

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... Offense and Defense Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise and focus on automated patching and security updates in… more
    Nightwing (01/07/26)
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  • Full Stack Infrastructure and Monitoring…

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... and Defense Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise in AWS Cloud production and development environments. This role… more
    Nightwing (01/07/26)
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  • Propulsion System/Rocket Motor Test…

    L3Harris (Orange, VA)
    …the interest of national security. Job Title: Specialist, Propulsion / Rocket Test Engineer Job ID: 32195 Job Location: Orange, VA Job Schedule: Shift: 9/80: ... wide range of engineering skills, from mechanical and aerospace to electrical and software . Types of tests include static rocket motor firings, case proof and burst… more
    L3Harris (12/18/25)
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  • Sr. DevOps Engineer

    BigBear.ai (Herndon, VA)
    Overview BigBear.ai is seeking a Senior DevOps Engineer to join our team. The candidate will work closely with the development team and our customers in the DoD ... work in a DevSecOps oriented environment with an Infrastructure as Code mindset + DoD IAT Level II Certification (Security+ CE, CISSP, etc.). What we'd like you to… more
    BigBear.ai (01/09/26)
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  • Security Engineer - Virginia Beach

    Serco (Arlington, VA)
    …States Navy - Serco has a great opportunity for you! This Information Security Test Engineer will be on a dynamic team responsible for testing afloat and shore based ... Associates degree and 5 years of experience. + Active DoD Secret Security Clearance. + A Cybersecurity certification. (ie...+ Proficiency in technical writing. + Proficiency with MS-Office software to include MS Word, MS Excel, MS Power… more
    Serco (01/06/26)
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  • Senior Circuit Engineer

    TekSynap (Arlington, VA)
    …strategies to improve efficiency and reliability. + Knowledge of networking and network-based software applications in a DOD IT environment + Collaborate with ... network circuits to meet performance and reliability requirements. + Knowledge of DOD network and system security requirements. + Provide technical guidance and… more
    TekSynap (01/06/26)
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  • Cyber Security Engineer

    Cinteot (Herndon, VA)
    Cyber Security Engineer (location: Herndon, VA) + TS/SCI with adjudicated CI poly required prior to start + Must have DoD 8570/8140 approved certification such ... on experience with: * Performing Cybersecurity activities in support of software and system requirements, design, development, testing, and sustainment. * Secure… more
    Cinteot (01/06/26)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and ... least 7 years of experience in information technology, leveraging software applications and tools to meet customer requirements. (2...may be substituted in lieu of degree) + Current DoD 8570 IAT II certification (Security +, SSCP, or… more
    ManTech (12/17/25)
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