• Network Engineer

    Leidos (Arlington, VA)
    …and implementations._ + _Virtual Private Cloud (VPCs)_ + _Route 53_ + _Amazon Firewall Services_ + Ability to make decision and escalate when needed + In-depth ... experience with security domains and industry best practices; business continuity and disaster recovery, emerging technology + Self-starter with ability to work independently or in a team environment with little to no supervision + Knowledge in Information… more
    Leidos (01/02/26)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …protocols + Firm understanding of Juniper JunOS commands and or firewall concepts + Previous experience troubleshooting network procedures and best practices; ... experience with network challenges associated with systems integration, including COTS integration, and capacity analysis. + Experience with Linux and Windows operating systems + Previous experience contributing to building ATO packages + Experience working in… more
    Northrop Grumman (01/01/26)
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  • Cyber Engineer

    ManTech (Mclean, VA)
    …network defense systems including network and host-based IDS, IPS, NDR, EDR, firewall , web application firewalls, and proxy + Managing and administering the tuning ... of rules, signatures, and custom content within platforms such as Splunk Enterprise Security + Identifying potential conflicts with implementation of CND tools and developing recommendations to remediate these conflicts + Supporting inter-agency collaboration… more
    ManTech (12/31/25)
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  • Production Operations Systems Engineer

    SAIC (VA)
    …optimize system performance and reliability. + Understanding of network protocols, firewall configurations, and VPN setup. + Experience with network monitoring and ... diagnostic tools. + Knowledge of security best practices for production systems. + Experience implementing security measures, conducting audits, and ensuring compliance with industry standards. + Working knowledge of database systems such as AWS RDS SQL Server… more
    SAIC (12/31/25)
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  • Senior Cloud Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …control systems (eg, Git) + Experience managing Azure Firewalls, AWS Network Firewall , AWS Network ACLs, AWS security groups, Azure network security groups, and ... related resources + Solid understanding of developing and leveraging CI/CD pipelines (Continuous Integration/Continuous Deployment) + Candidate must, at a minimum, meet one of these certifications: CISSP, CCSP, MCSE, AWS Certified DevOps Engineer, Certified… more
    Tetrad Digital Integrity LLC (12/31/25)
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  • Cyber Security Specialist (Sr. - Principle)…

    American Electric Power (Salem, VA)
    …patch management, active directory administration, anti-virus and endpoint security, firewall ACL management, encryption and certificate management, security logging ... and alerting, and access/password management. + Complete all tasks with consideration for risk and impact to the SCADA/EMS system and the Bulk Electric System. **Additional Requirements:** + Strong technical knowledge of OT protocols and security technologies… more
    American Electric Power (12/31/25)
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  • Network Security Engineer

    Noblis (Richmond, VA)
    …is built-in from the ground up. + Performing hands-on reviews of system configurations, firewall rules, and network paths to align with FAA Orders, NIST 800-53, and ... federal cybersecurity standards. + Leading efforts in transitioning technologies (eg, IPv4 to IPv6, microwave radio refreshes) from a cybersecurity and network architecture perspective. + Supporting the integration of Zero Trust, Software-Defined Networking… more
    Noblis (12/30/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …to detect anomalies and performance issues. + Implement and manage firewall solutions and intrusion detection/prevention systems (IDS/IPS) for network perimeter ... defense. + Collaborate with cybersecurity, engineering, and IT teams to maintain system documentation and support continuous monitoring and accreditation efforts. **REQUIRED QUALIFICATIONS** + Active Secret security clearance (Tier 5) + Bachelor of Science in… more
    TekSynap (12/30/25)
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  • Senior Manager, Global Network Services

    Copeland (Richmond, VA)
    …+ Excellent network troubleshooting skills + Hands-on experience with routers, switches, firewall , Load balancer, Cloud networking + Experience of operating in an ... Enterprise environment with strict change control procedures + Up to 20% international travel required **Preferred education, experiences & skills** + Master's degree or higher in CS, MIS or related technology/engineering discipline **Remote Work Arrangement**… more
    Copeland (12/30/25)
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  • Design Engineer 5

    M. C. Dean (Vienna, VA)
    …of routing protocols and switching technologies, LAN/WAN medias and protocols, and firewall configuration and protocols. + Ability to work effectively in a ... fast-paced collaborative environment. + Ability to effectively communicate with various customers, vendors and peers + Ability to effectively use AutoCAD or another computer aided drafting/modeling tool. + Proficient in MS Word, Excel, and PowerPoint. +… more
    M. C. Dean (12/30/25)
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