• Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    …infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions leveraging cloud services such as ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage… more
    CACI International (11/14/25)
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  • Security Infrastructure Engineer

    Leidos (Alexandria, VA)
    …operate and maintain network security infrastructure utilized by a team of cybersecurity analysts in support of 24x7x365 mission-critical operations . This ... team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities + Manage high-priority tasks and outages + Maintain, develop, and… more
    Leidos (11/15/25)
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  • Adversary Emulation Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... critical infrastructure. L541 supports a full range of defensive operations and activities including threat-informed risk assessment and mitigation, adversary… more
    The MITRE Corporation (01/19/26)
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  • Senior Information Systems Cyber Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... MITRE - and make a difference with us. Department Summary: The Cybersecurity Risk Management Department (R311) within the Global Security Services Division (R300)… more
    The MITRE Corporation (12/18/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    …team in Chantilly, VA. This role will** **support our work automating cybersecurity operations , emulating adversary behavior, and improving the defensive ... Cyber Network Security Engineer Job Category: Engineering Time Type: Full time...to thwart or detect attacks, develop approaches to automate cybersecurity operations , and engage in research to… more
    CACI International (12/02/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the ... steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are...building a team of highly qualified professionals specializing in Cybersecurity , Cloud, and Systems Engineering to support the development… more
    Virtual Service Operations (11/09/25)
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  • Senior Security Systems Engineer…

    Cydecor, Inc. (Virginia Beach, VA)
    …what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems engineering for US Naval warfare ... (A&A) efforts, develop secure architectures, and ensure compliance with DoD cybersecurity policies and Risk Management Framework (RMF) standards. This position… more
    Cydecor, Inc. (01/19/26)
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  • Lead Cyber Operations Engineer

    The MITRE Corporation (Mclean, VA)
    …the government create lasting impact in fields as diverse as cybersecurity , healthcare, aviation, defense, and enterprise transformation. We're making a difference ... make a difference with us. Department Summary: MITRE's Offensive Operations & Effects department, part of the Cyber ...Operations & Effects department, part of the Cyber Operations & Effects Innovation Center, enables offensive cyber … more
    The MITRE Corporation (12/25/25)
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  • Cleared Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …assessments of computing environments to identify vulnerabilities and compliance gaps. + Engineer unique cybersecurity solutions to support Cyber Threat and ... Cleared Information Systems Security Engineer (ISSE) L3 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take the next steps… more
    Virtual Service Operations (01/02/26)
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  • Journeyman Network Engineer

    Leidos (Alexandria, VA)
    …architecting cutting-edge solutions in cyber defense, logistics optimization, security operations , and decision intelligence. We're the minds behind the ... mission-critical systems that keep our nation secure. **Ready to engineer solutions that matter?** The Digital Modernization Sector at Leidos is seeking a dynamic… more
    Leidos (12/04/25)
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