• 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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  • Information System Security Officer

    Chenega Corporation (Oakton, VA)
    **Req ID:** 38767 **Summary** **Information System Security Officer (ISSO)** **Oakton, VA** Are you ready to enhance your skills and build your career in a ... of our nation. SecuriGence is seeking a talented **Information System Security Officer (ISSO)** to help contribute...identify Critical / High vulnerabilities for remediation and report network security posture at weekly CISO/AO meeting.… more
    Chenega Corporation (12/30/25)
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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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  • Cyber Security Analyst - SIEM and Linux…

    BAE Systems (Norfolk, VA)
    …Elastic Security SIEM, and other relevant technologies. Solid understanding of network security industry standards and frameworks, implement the DoD Risk ... successful candidate will be responsible for designing, implementing, and maintaining Linux systems and a Security Information and Event Management (SIEM)… more
    BAE Systems (12/19/25)
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  • 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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  • 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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  • 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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