• Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and ... **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the… more
    ManTech (12/13/25)
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  • Reverse Engineer w/Poly

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is seeking aR everse Engineer for up-and-coming projects where you will design, develop, prototype, modify , and integrate solutions to provide ... This fast-paced and dynamic environment demands a flexible, highly-motivated engineer with a strong desire to learn new skills...+ BS degree with 6 years of experience + Clearance: TS /SCI w/Poly + Experience with developing CNO specific software… more
    BigBear.ai (12/12/25)
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  • Senior Cyber Test Engineer (Onsite)

    Nightwing (Palm Bay, FL)
    …Python, Bash, or similar scripting language + 3 year of experience working on Linux /Unix systems + Basic knowledge of TCP/IP networking, architecture, and core ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (11/26/25)
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  • Software Cyber Engineer - SWE 0

    Lockheed Martin (Hanover, MD)
    …Mission‑focused innovators - We thrive on outsmarting the most sophisticated security systems and networks\. Cutting‑edge pioneers - Our team designs the tools, ... the future of offensive cyber operations\. Rotary & Mission Systems \(RMS\) leader - RMS delivers advanced technology for...support our mission\. **The Work:** As an Entry‑Level Software Engineer on the Offensive Cyber team, you will: *… more
    Lockheed Martin (11/26/25)
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  • Data Engineer

    ManTech (Chantilly, VA)
    …a Linux environment. **Preferred Qualifications** : + Experience deploying systems that leverage AI/ML technology + Experience publishing results in BI ... **MANTECH** seeks a motivated, career and customer-oriented **Data Engineer ** to join our team in **Chantilly, VA.** The **Data Engineer ** will leverage their… more
    ManTech (12/27/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Engineer III

    General Atomics (Herndon, VA)
    …affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted ... technologies. We have an exciting opportunity for a FPGA Engineer within the CSS team which is part of...the CSS team which is part of our Electromagnetic Systems group. The position would be located in Herndon,… more
    General Atomics (12/11/25)
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  • DevOps Engineer SME

    Leidos (Chantilly, VA)
    **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program responsible for delivering modern Identity Access Credential ... Management (ICAM) solutions. As a DevOps Engineer on this program, you will have the opportunity...program, you will have the opportunity to build strong systems and software utilizing cloud capabilities to support a… more
    Leidos (12/10/25)
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  • Front End Software Engineer

    Arena Technical Resources, LLC (Mclean, VA)
    …-Proficient understanding of code versioning tools, such as Git -Experience with Linux operating systems DESIRED KNOWLEDGE/SKILLS: -Experience with SASS or LESS. ... Front End Software Engineer Location: McLean, VA, US Job ID: ATR...of related software development experience. -This position requires a TS /SCI w/ Full Scope Polygraph to start REQUIRED KNOWLEDGE/SKILLS:… more
    Arena Technical Resources, LLC (11/09/25)
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  • Senior Software Engineer

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **Software Engineer ** to join our team located in the **Ft. Meade, MD** area. ... + Develops, maintains, and enhances complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation of extremely… more
    ManTech (10/16/25)
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