• 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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  • Senior Firewall Engineer

    Celestica (Richardson, TX)
    …required. **Typical Experience** + 7+ years of dedicated experience in Network Security Engineering. **Typical Education** + Education: Bachelor's degree ... Level 11 **Direct/Indirect Indicator:** Indirect **Summary** We are looking for a Senior Firewall Engineer to join our Security Architecture team. You will be… more
    Celestica (01/16/26)
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  • DoW Cloud Computer Network Defense…

    Tetrad Digital Integrity LLC (Washington, DC)
    …and analysis of insider and external threats during core business hours using security tools (eg, SIEM, endpoint/EDR, firewall / network logs, cloud-native ... Digital Integrity (TDI) is hiring an exceptional DoW Cloud CND / DCO (Computer Network Defense / Defensive Cyber Operations) Engineer to support defensive cyber… more
    Tetrad Digital Integrity LLC (01/18/26)
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  • Cyber Network Defense Analyst

    Leidos (Stennis Space Center, MS)
    …TCP/UDP, HTTP, ICMP, DNS, SMTP, etc) + Expertise with network topologies and network security device functions (eg Firewall , IDS/IPS, Proxy, DNS, etc). + ... scale and repeatability. . Leidos is seeking a Cyber Network Defense Analyst (CNDA) to join our...ability to work non-core hours, if necessary. Duties include network security monitoring and detection, proactively searching… more
    Leidos (01/16/26)
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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 (01/15/26)
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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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  • 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 (01/07/26)
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  • Cyber Defense Analyst (onsite)

    System One (Washington, DC)
    Cyber Defense Analyst 2nd shift - 3pm - 11:30pm Washington, DC - onsite Must be able to obtain Public Trust clearance Responsibilities: * Collaborates with intrusion ... 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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  • 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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