• Network Administrator

    Nightwing (Sterling, VA)
    …Knowledge of network security principles and best practices, including firewalls, intrusion detection systems , and data encryption. + Monitoring and ... network , using knowledge of the performance characteristics of the systems being added to the network and the specifications for network interfaces to… more
    Nightwing (09/26/25)
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  • Cyber Network Defense Analyst II

    Nightwing (Sterling, VA)
    …to support this critical customer mission. Responsibilities: - Correlate forensic findings to network events in support of developing an intrusion narrative - ... analyze anomalies in network traffic using metadata - Identify applications and operating systems of a network device based on network traffic - Identify… more
    Nightwing (12/10/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …integrates, operates and maintains electronic security services inclusive of intrusion detection , access control, biometric authentication, video surveillance, ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (10/10/25)
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  • Deployment Network Specialist (Tech…

    M. C. Dean (Springfield, VA)
    …integrates, operates and maintains electronic security services inclusive of intrusion detection , access control, biometric authentication, video surveillance, ... a **Deployment Network Specialist** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will… more
    M. C. Dean (09/26/25)
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  • Senior Systems Administrator (Unix/Linux)

    EPS Corporation (Dahlgren, VA)
    …enforce network security policies, including the use of firewalls and intrusion detection /prevention systems . + Stay current on emergingcyber threats, ... Senior Systems Administrator (Unix/Linux) - (758) Share this job...ideal candidate will bring deep expertise in Unix/Linux administration, network security, and performance optimization, ensuring system reliability, security,… more
    EPS Corporation (11/13/25)
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  • Lead Network Engineer

    Chenega Corporation (Arlington, VA)
    …a plus. + Expertise in routing, switching, firewalls, load balancers, and intrusion detection /prevention systems . + Advanced troubleshooting and ... **Req ID:** 37801 **Summary** **Lead Network Engineer** **Arlington, VA** Are you ready to...systems engineering, and program management. + Lead enterprise-scale network operations in a secure, mission-critical environment. **How you'll… more
    Chenega Corporation (10/03/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …performance issues. + Implement and manage firewall solutions and intrusion detection /prevention systems (IDS/IPS) for network perimeter defense. + ... software, and network components. + Conduct STIG implementation to ensure systems meet DoD security compliance standards. + Configure and manage Active Directory… more
    TekSynap (10/01/25)
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  • CSOC Threat Management Specialist (Tier 2)

    Nightwing (Falls Church, VA)
    …require mitigating controls + Analyze network traffic to identify exploit or intrusion related attempts + Recommend detection mechanisms for exploit and or ... related attempts + Provide subject matter expertise on network -based attacks, network traffic analysis, and intrusion methodologies + Escalate items which… more
    Nightwing (11/14/25)
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  • Suricata Engineer - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …YAML configuration files, and how these configurations integrate and influence the Suricata Intrusion Detection Systems / Intrusion Prevention Systems ... 60 days of start date. Nice If You Have: + Proficient understanding of network protocols, intrusion detection methodologies, and security event correlation.… more
    ENS Solutions (11/26/25)
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  • Network Enterprise System Team Lead

    Leidos (Lorton, VA)
    … network design principles and networking technologies, including firewalls, VPNs, and intrusion detection systems . + Expert knowledge of networking ... Division at Leidos is looking for an experienced **Enterprise Network Architect** to serve as the ** Network ...**Enterprise Network Architect** to serve as the ** Network Enterprise System Team Lead** on a fast-paced program… more
    Leidos (11/06/25)
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