• Security Engineer - Continuous Diagnostics…

    Insight Global (Mclean, VA)
    …One or more industry-recognized certifications required, including: Certified Information Systems Security Professional (CISSP) Certified Information Security ... Experience integrating CDM components such as: Vulnerability scanners Endpoint security tools IAM solutions Network security...reviews, and gap analyses. Support preparation and maintenance of: System Security Plans (SSPs) Security more
    Insight Global (01/06/26)
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  • Cyber Security Operations Specialist II

    William C Brown Inc (Springfield, VA)
    …for security on these systems . + Designs and implements data network security measures; operates Network Intrusion Detection and Forensics; conducts ... Submit custom signatures and tuning requests as needed to Network Security Services, Endpoint Security ... Security Operating Host Based Security System (HBSS), firewalls, Intrusion Prevention Systems , Intrusion… more
    William C Brown Inc (11/10/25)
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  • Senior Principal Security Engineer

    Oracle (Richmond, VA)
    …and telemetry solutions, network configuration management, linux systems administration + Experience leading security -related technical troubleshooting ... + Deep expertise in one or more areas: hypervisor security , network security (SDN, firewalls,...threat modeling and conducting secure design reviews of complex systems . + Prior coding background (eg Java, Go, C/C++,… more
    Oracle (11/25/25)
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  • 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 + IAT ... work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems . **Responsibilities include but… more
    ManTech (12/13/25)
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  • Cyber Security Analyst Sr Advisor - TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …CISA, CEH, NCSF + Demonstrated experience in IT best practices regarding application, enterprise system , and network security + **Location:** McLean, VA (On ... networks and applications + Experience with architecture design, system and network analysis, vulnerability and risk assessments, and security assessment of… more
    General Dynamics Information Technology (11/25/25)
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  • Network Cybersecurity Engineer (Palo/Cisco)

    General Dynamics Information Technology (Falls Church, VA)
    Network Defense, Security Operations **Certifications:** Certified Information Systems Security Professional (CISSP) | International Information ... recovery, and after-action reviews. Maintain and validate System Security Plans (SSPs), POA&Ms, and firewall/ network documentation aligned with compliance… more
    General Dynamics Information Technology (01/07/26)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    …environment What You'll Get to Do: + Maintains a thorough knowledge of existing network and/or security hardware and software in use to provide third-tier ... and provide complex internal analysis and support of the network and/or security infrastructure. + Acts as...LAN hardware to include voice, video, and data cable systems . Develops system specifications, architecture designs, integration… more
    William C Brown Inc (12/01/25)
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  • Network Engineer/Architect SME

    Leidos (Fort Belvoir, VA)
    …enterprise networks. + Expert knowledge of DoD security requirements for network infrastructure. + Demonstrated experience in system hardening of network ... associated implementation and transition plans. + Integrate capacity planning and scaling of network and security stack environments into the overall design of… more
    Leidos (12/06/25)
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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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  • 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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