• 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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  • Firewall Engineer

    SAIC (Springfield, VA)
    …ITIL (R) Foundation certification. + Certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE), A10 Certification/Accreditation, , FortiGate ... within the Vanguard 2025 Contract, providing general engineering support to multiple firewall and perimeter security systems and devices. The well qualified… more
    SAIC (11/11/25)
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  • Supv, Cyber Defense Security Ops…

    Exelon (Owings Mills, MD)
    … logs, and intrusion detection system [IDS] logs) to identify possible threats to network security . + Maintain & enforce adherence to Joint Security ... access, network exploitation, covering tracks). + Knowledge of network security architecture concepts including topology, protocols, components, and… more
    Exelon (11/12/25)
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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 Network Defense Analyst

    Leidos (Washington, DC)
    …alerts and document findings in Security Event Notifications (SENs) + Analyze network traffic (PCAP, firewall , proxy, IDS logs, etc.) + Collaborate with team ... we do business. Leidos is seeking a Junior Cyber Network Defense Analyst to join our team...ports/protocols (TCP/UDP, HTTP, ICMP, DNS, SMTP) + Knowledge of network topologies and security devices ( Firewall more
    Leidos (11/07/25)
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  • Cyber Defense Incident Responder- Mid

    ABBTECH Professional Resources, Inc. (Washington, DC)
    … logs, and intrusion detection system [IDS] logs) to identify possible threats to network security . + Perform cyber defense incident triage, to include ... (eg TCP/IP), services (eg, web, mail, DNS), and how they interact to provide network communications. + Knowledge of Application Security Risks (eg Open Web… more
    ABBTECH Professional Resources, Inc. (11/11/25)
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  • Network Cybersecurity Engineer (Palo/Cisco)

    General Dynamics Information Technology (Falls Church, VA)
    …None **Job Family:** Cyber and IT Risk Management **Skills:** Cyber Defense ,Cybersecurity,Information Assurance, Network Defense , Security Operations ... and protect mission-critical systems. You will apply deep technical expertise in ** network defense , firewall management, and threat management** while… more
    General Dynamics Information Technology (11/14/25)
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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 (09/09/25)
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  • Defense Logistics Agency Opportunities

    TekSynap (Oklahoma City, OK)
    …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 (10/12/25)
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  • Network Security Lead

    Kelly Services (Longmont, CO)
    … events and P1/P2 outages. * Ensure direct or delegated completion of network security operational procedures including firewall object management, ... messages. * Oversee execution of SOP-defined network security tasks (eg, AV updates, DR activities, firewall...Cloud Security , and SOC leaders to align network and cyber defense strategy. * Coordinate… more
    Kelly Services (11/15/25)
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  • Security Architect - Advanced…

    NTT DATA North America (Los Angeles, CA)
    …when executed as part of an overall sourcing strategy. NTT DATA Services currently seeks a Security Architect - Advanced Network & Cloud Security to join our ... and mentoring engineering teams. Key Responsibilities . Architect end-to-end security solutions: Design secure network architectures incorporating NGFW,… more
    NTT DATA North America (11/22/25)
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  • Network Security Engineer III…

    Lockheed Martin (Colorado Springs, CO)
    …and enhancing leading\-edge missile defense technologies\. **The Work** The Network Security Engineer will be responsible for planning, deploying, ... \(https://www\.lockheedmartin\.com/en\-us/products/command\-control\-battle\-management\-communications\-c2bmc\.html\) **Who You Are** You are a highly skilled network security engineer with a strong background… more
    Lockheed Martin (09/05/25)
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  • Network Security Engineer

    General Dynamics Information Technology (Alexandria, VA)
    …Advance your career while impacting our national security in cyber as a ** Network Security Engineer Senior** at GDIT. Here, technologists have many paths to ... operations across the federal government. We are seeking a dedicated and knowledgeable ** Network Security Engineer Senior** to join our dynamic team. The ideal… more
    General Dynamics Information Technology (11/05/25)
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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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  • 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 (09/09/25)
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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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  • Cyber Network Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …to include firewalls and proxy devices. In this role, the Cyber Network Security Engineer will be responsible for firewall rule changes by process that ... years of related experience **US Citizenship Required:** Yes **Job Description:** **Cyber Network Security Engineer** Advance your career while impacting our… more
    General Dynamics Information Technology (11/22/25)
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  • Network Communications 4

    Huntington Ingalls Industries (San Diego, CA)
    …and issue resolution. + Experience with Department of Defense Security Technical Implementation Guidelines. + Experience with network and performance ... monitoring tools (SolarWinds, etc.) + Experience in network security technologies including firewalls, VRFs, and port- security /802.1x + Familiarity with… more
    Huntington Ingalls Industries (09/22/25)
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