• Information Systems Security Officer

    CACI International (VA)
    …**_Desired:_** + At least five years of continuous recent experience as an Information System Security Manager (ISSM), Information Systems Security ... Information Systems Security Officer Job Category: Information... policies, standards, and procedures + Ability to communicate network security issues to peers and customers… more
    CACI International (12/18/25)
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  • Network Architect

    Amentum (Arlington, VA)
    …Lead Network Architect has the following qualifications: a. Certified Information Systems Security Professional (CISSP) or Microsoft Certified Systems ... architecture and infrastructure, provide feedback and capability exploration for Intelligence system design and implementation. The Lead Network Architect shall… more
    Amentum (01/12/26)
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  • Information Systems Security

    Parsons Corporation (Fort Belvoir, VA)
    …knowledge or uniquely applicable experience) + 2+ years of hands-on experience with Splunk, network security and system security , supporting security ... security incident response analysts + Validate and verify system security requirements + Develop and review...Plans of Action and Milestones (POAMs) + Familiarity with Systems Security Engineering (SSE) documentation (eg, Cybersecurity… more
    Parsons Corporation (12/25/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …Strong understanding of Windows and Linux systems , operating system security principles, TCP/IP networking, 802.1x, and core network security ... with the network service provider to develop and maintain detailed network architecture diagrams. + Evaluate system performance, identify areas for… more
    ManTech (12/13/25)
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  • Network Management Systems Engineer

    Leidos (Fort Belvoir, VA)
    …configurations, procedures, and best practices. + Collaborate with cross-functional IT teams ( network , systems , security , DevOps) to ensure accurate ... **Description** Leidos is seeking a Network Management Systems (NMS) Engineer at Fort Belvoir, VA to support operations on a large, high-profile DOD contract.… more
    Leidos (12/24/25)
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  • Sepio Security Engineer

    Leidos (Arlington, VA)
    …experience may be considered in lieu of a degree Experience: 3+ years of experience in system security engineering, network security , or a related field, ... Collaborate with IT and network engineering teams to integrate security controls into the overall system architecture, ensuring a defense-in-depth… more
    Leidos (11/25/25)
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  • Analyst, Security Operations - US Based…

    Anywhere Real Estate (Virginia Beach, VA)
    …EDR, IDPS, HIPS, SIEM, etc.) + Extensive knowledge and understanding of operating system internals, network security architecture, and protocol analysis. + ... security incident response. Successful candidates typically have 3-5 years of information security and IT systems experience with strong focus on Incident… more
    Anywhere Real Estate (12/16/25)
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  • Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    … + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and network security concepts + An ... products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, network management systems , and virtual systems more
    ManTech (12/13/25)
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  • Network Administrator II 1

    Serco (Chesapeake, VA)
    …integration with regional monitoring and enterprise management services. + Troubleshoot system outages and network connectivity issues; engaging with ... and proposing solutions to improve uptime and readiness for locally installed systems . + Perform administration and maintenance of network infrastructure… more
    Serco (01/10/26)
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  • Rapid Response Sr. Network Engineer

    Competitive Range Solutions, LLC (Arlington, VA)
    …within the IT Operation team, focusing on ensuring the enterprise transport network 's integrity, security , and efficiency. This role involves extensive ... expertise of a talented and experienced Rapid Response Sr. Network Engineer Management to assist in the direction and...lifecycle. + Ensure seamless integration of the configuration management system and database with systems for other… more
    Competitive Range Solutions, LLC (11/06/25)
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