• AeroVironment (Huntsville, AL)
    …+ Configure and manage firewalls (eg, Palo Alto, Cisco) and enforce network security policies. + Perform cybersecurity mitigation tasks, including patch ... design and configuration (TCP/IP, VLANs, VPNs, DNS, DHCP). + Proficiency with firewall administration and network access controls. + Knowledge of cybersecurity… more
    DirectEmployers Association (12/20/25)
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  • Tyto Athene (Yigo, GU)
    …** Network Specialist** to support our NE&S contract at Andersen AFB, Guam. The Network Specialist ensures that the Department of Defense (DoD) Defense ... and EIA/TIA cable standards + Must be familiar with firewall and VPN technologies + Strong network ...over 50 years of experience, Tyto Athene proudly support Defense , Intelligence, Space, National Security , Civilian, Health,… more
    DirectEmployers Association (01/03/26)
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  • National Renewable Energy Laboratory (Golden, CO)
    …governance practices, and analytics infrastructure. + Develop zero-trust and defense -in-depth security architectures and evaluate emerging technologies for ... Implement cybersecurity controls, such as identity and access management, network segmentation, firewall rules, and monitoring. +...Must be able to obtain and maintain a DOE security clearance at the Q/TS/SCI level. A polygraph may… more
    DirectEmployers Association (11/25/25)
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  • Tyto Athene (Bethesda, MD)
    …extranets, and other communications networks. + Administers day-to-day sustainment, integrity, security , and availability of the network . + Perform daily ... performance monitoring, capacity analysis, and maintain security posture of the network . + May...and EIA/TIA cable standards + Must be familiar with firewall and VPN technologies + Strong network more
    DirectEmployers Association (12/24/25)
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  • Crane Aerospace & Electronics (Lynnwood, WA)
    …networking hardware such as switches, routers, wireless access points, firewalls, and security appliances. + Administration of network access control systems. + ... supplies critical systems and components to the aerospace and defense markets. You'll find Crane Aerospace & Electronics in...of all network management platforms such as firewall management systems, network configuration management tools,… more
    DirectEmployers Association (12/10/25)
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  • COLSA Corporation (Colorado Springs, CO)
    …solutions/environments + Demonstrated experience with networking architecture, networking protocols, network security design, routers, firewall architecture, ... COLSA Corporation is seeking candidates for an IT and Network Specialist to support MDA projects. + Prepare, maintain,...10 years of relevant IT experience working on missile defense -related or other complex, large DoD program/projects + Bachelors… more
    DirectEmployers Association (12/04/25)
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  • Applied Research Associates, Inc. (Eglin AFB, FL)
    …of the enclave, responsible for designing, building, hardening, and sustaining all network and directory services required for secure SIPRNet operations. This role ... DNS hierarchy, and configure reverse lookup zones + Provision and maintain network services. + Configure and manage HAIPE Type-1 encryptors and the DISA-approved… more
    DirectEmployers Association (11/21/25)
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  • Tyto Athene (Ashburn, VA)
    …needs. With over 50 years of experience, Tyto Athene proudly support Defense , Intelligence, Space, National Security , Civilian, Health, and Public Safety ... threats. **Responsibilities:** + Lead enterprise vulnerability assessment efforts and security testing activities. + Perform vulnerability scanning and analysis… more
    DirectEmployers Association (11/01/25)
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  • Infinity Systems Engineering (Colorado Springs, CO)
    network infrastructure. The role involves installing hardware and software, managing network services, ensuring system performance and security , and providing ... timely manner. Security and Backup: + Implement and maintain security measures, including firewall , anti-virus, and intrusion detection/prevention systems. +… more
    DirectEmployers Association (12/05/25)
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  • Tyto Athene (Reston, VA)
    …needs. With over 50 years of experience, Tyto Athene proudly support Defense , Intelligence, Space, National Security , Civilian, Health, and Public Safety ... a customer-facing consulting and hands-on engineering role focused on automation, security architecture, and regulatory compliance. You will work hands-on with VPC,… more
    DirectEmployers Association (11/04/25)
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  • Network Defense and Firewall

    Systems Technology Forum (San Diego, CA)
    Defense (DoD), and other federal agencies. Job Summary The Network Defense and Firewall Security Engineer is responsible for safeguarding enterprise ... security assessments, inspections, and accreditation activities. * Recommend network security improvements, automation, and modernization initiatives aligned… more
    Systems Technology Forum (11/21/25)
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  • Firewall Network Engineer

    Synergy ECP (Annapolis Junction, MD)
    Firewall Network Engineer Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) Description Synergy is looking forFirewall Network ... a subject matter expert for the customer's next generation firewall solution. + Maintain firewall operations and...information assurance policy and regulations. + Performing analysis of network security needs and contributes to design,… more
    Synergy ECP (11/06/25)
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  • Cloud Firewall Engineer (Hybrid)

    RTX Corporation (Farmington, CT)
    …evaluate network security issues, propose design options, and work with network engineers and implement new cloud firewall deployments from a network ... background. Prior experience supporting acquisition and divestiture activities as it relates to network security is preferred. Expertise in DNS, DHCP and IP… more
    RTX Corporation (11/13/25)
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  • Cyber Network Defense Analyst

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Cyber Network Defense Analyst** in **Herndon, VA.** As a CND Analyst on our team, you will use your ... expertise in specialized network defense to provide innovative and creative...all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data… more
    ManTech (10/16/25)
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  • Cyber Defense Analyst/Intrusion Detection…

    System One (Washington, DC)
    Cyber Defense Analyst/Intrusion Detection Team Shift Lead 2nd shift - 3pm - 11:30pm Washington, DC - onsite Must be able to obtain Public Trust clearance ... systems and networks with cyber threat information to assess the client's security posture * Conducts intelligence analysis to assess intrusion signatures, tactics,… more
    System One (12/26/25)
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  • Defense Logistics Agency Opportunities

    TekSynap (Jacksonville, FL)
    …Facilitators + Audio Visual Engineers + Video Support Specialist + Cyber Security Engineers + Telecommunication Specialists + Telecommunication Network Engineers ... + Entry Level Hardware Technicians + IT Support Specialist + Network Engineers + Senior Network Engineers + Systems Engineers + Database Administrators + … more
    TekSynap (01/06/26)
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  • Network Engineer (Expert)

    BAE Systems (Herndon, VA)
    …objectives + Stay up-to-date with the latest industry trends and best practices in network security and firewall technologies + Provide technical support and ... and a shared ambition to lead the world in defense technologies and national security services. We...of firewall policies and rules + Monitor network traffic for potential security threats and… more
    BAE Systems (12/16/25)
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  • L2 NOC Security Engineer

    Netsync Network Solutions (Dallas, TX)
    …on-site visits as needed. The engineer will provide advanced troubleshooting, security incident response, firewall configuration expertise, and cross-team ... and may require participation in after-hours or on-call rotations. Key Responsibilities Security & Firewall Operations + Administer, monitor, and troubleshoot… more
    Netsync Network Solutions (11/22/25)
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  • Network Engineer Senior ( Security

    General Dynamics Information Technology (Fort Belvoir, VA)
    …controls in a multi-vendor security stack. + Provide expert-level (Tier 3) network security engineering support for INSCOM activities in the National Capital ... and security protocols/technologies, including switching, routing, and security (eg, Layer 4-7, firewall , Site-to-Site VPN,... Professional - Enterprise + Palo Alto Networks Certified Network Security Engineer + ​ **Location** :… more
    General Dynamics Information Technology (12/09/25)
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  • Senior Network Perimeter Security

    ABM Industries (Atlanta, GA)
    …and enforce security standards, policies, and procedures related to perimeter defense . * Collaborate with network engineering, cloud operations, SOC, and ... enterprise information security architecture, stability, and resiliency related to network security solutions and operational efficiency. This role requires… more
    ABM Industries (10/11/25)
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