• Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …and agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer ... **What Will Make You Stand Out (Preferred Qualifications)** + DoD 8570/8140 IAT Level II certification (eg, Security + CE, GSEC, SSCP, CySA+) + Understanding of… more
    Zscaler (10/11/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer -oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports ... general operating system security practices, TCP/IP networking, 802.1x, and network security concepts + IAT Level II certification (GSEC, Security +,… more
    ManTech (12/13/25)
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  • Cyber Security Engineer (Elastic…

    CACI International (Hampton, VA)
    Cyber Security Engineer (Elastic SME) Job Category:...of related experience + DOD 8140 (8570) IAT Level II ( Security + or equivalent) _Desired:_ + AF ... **The Opportunity:** Join our dynamic team as a Cyber Security Engineer at the DCGS Management Center...be part of a high-performing group dedicated to our customer 's missions and driven by a higher purpose -… more
    CACI International (12/24/25)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer -oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment... security practices, TCP/IP networking, 802.1x, and network security concepts + An active IAT Level II more
    ManTech (12/13/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer -oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber ... IAT Level II certification within 6 months of hire (eg, Security +, GSEC, SSCP) **Preferred Qualifications:** + Experience with Ansible and writing automation… more
    ManTech (12/11/25)
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  • Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …customers across multiple government departments. We are looking for a Staff Information Security Engineer who will report to the Senior Manager of Information ... Security Engineering to operate as a vulnerability management engineer inside the US Federal IL6 (SCIF) environment. **This...Stand Out (Preferred Qualifications)** + DoD 8570/8140 IAT Level II certification (eg, Security + CE, GSEC, SSCP,… more
    Zscaler (01/06/26)
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  • Software Developer II

    General Atomics (Chantilly, VA)
    …and that's where you come in! GA-Intelligence is looking for a Software Engineer to join our federal team to develop scalable, high-performant cloud-based computer ... to verify and validate functionality + Maintain existing capabilities deployed to customer facilities and cloud environments including debugging and updating to keep… more
    General Atomics (12/11/25)
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  • Senior Information System Security

    ManTech (Chantilly, VA)
    **MANTECH** seek a motivated, career and customer -oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, ... but are not limited to:** + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design security more
    ManTech (01/01/26)
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  • Expert Security Engineer

    Amentum (Springfield, VA)
    …, & Intel space? If so, look no further. Amentum is seeking an **Expert Security Engineer ** to join our team of passionate individuals in **Springfield, VA** . ... security compliance objectives * Conduct and review security scans * Track and mitigate customer ...Security Professional (CISSP), CompTIA CASP, or other IAT II Certification * Extensive experience with Security more
    Amentum (11/14/25)
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  • Full Stack Infrastructure Engineer

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is supporting a US Government customer on a large mission critical development and sustainment program to sustain ... Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise and focus on automated patching and... with expertise and focus on automated patching and security updates in AWS Cloud production and development environments.… more
    Nightwing (01/07/26)
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