• 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.** This role supports a ... professionals with strong technical expertise and a desire to shape the security infrastructure of the future. **Responsibilities include but are not limited to:**… more
    ManTech (12/13/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... procure, implement, operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working… more
    CACI International (11/14/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …and management of firewalls and IDS/IPS technologies. **Overview** We are seeking a Network Security Engineer III to join our team supporting Department of Navy. ... + Design, implement, and maintain secure network infrastructure, enforcing security controls across hardware, software, and network components. + Conduct… more
    TekSynap (12/30/25)
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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 the ... alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems. **Responsibilities include but are not limited… more
    ManTech (12/13/25)
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  • Staff Cybersecurity Analyst / Information Systems…

    Northrop Grumman (Fairfax, VA)
    …of risks and supports obtaining certification and accreditation of systems. Includes support of process, analysis, coordination, security certification test, ... analyses to validate established security requirements and to recommend additional security requirements and safeguards. Support the formal Security Test… more
    Northrop Grumman (01/10/26)
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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 ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support more
    ManTech (12/13/25)
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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...program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive… more
    Zscaler (01/06/26)
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  • Senior Information Systems Security

    Amentum (Warrenton, VA)
    …change. **Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, but are not limited to, the ... information systems. throughout the system development life cycle to support the generation of the security engineering...cycle to support the generation of the security engineering products. + Assist with the design, deployment,… more
    Amentum (01/09/26)
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  • Lead Information Security Engineer

    Wells Fargo (Mclean, VA)
    **About this role:** Wells Fargo is seeking a motivated Lead Information Security Engineer to join an exciting, fast paced team working on cutting edge ... with corporate security policies and adherence to best practices. + Support incident response, root cause analysis and corrective action activities. + Oversee… more
    Wells Fargo (01/06/26)
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  • Security Engineer I, Threat Hunting,…

    Amazon (Arlington, VA)
    Description Amazon's Threat Hunting team is looking for a Security Engineer , Threat Hunting who is excited by the idea of searching for and uncovering undetected ... business operations. Our threat hunters work alongside incident response engineers to support ongoing security investigations. This team has a high operations… more
    Amazon (11/27/25)
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