• Cyber Network Security

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... of Travel: None * * * **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in Chantilly, VA. This role will**… more
    CACI International (12/02/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a ... networks and data centers. + Familiarity with enterprise security software products such as firewalls, IPS, antivirus tools,... security principles, TCP/IP networking, 802.1x, and core network security concepts. + Must possess an… more
    ManTech (12/13/25)
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  • Staff Information Security Engineer

    Zscaler (Washington, DC)
    …and agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer ... cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep...within a US SCIF, with no access to external networks or corporate systems, and adhering to one-way diode… more
    Zscaler (11/22/25)
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  • Information Systems Security

    Huntington Ingalls Industries (Honolulu, HI)
    …Who We Are HII-Mission Technologies is seeking a Information Systems Security Engineer at our Honolulu, Hawaii location. The Information ... Systems Security Engineer (ISSE) is responsible for the...supporting POA&M item closure, and enforcing hardening baselines across networks and endpoints. Relocation assistance is authorized if selected… more
    Huntington Ingalls Industries (11/18/25)
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  • Information System Security Engineer

    BEAT LLC (Linthicum Heights, MD)
    Job Title: Information Systems Security Engineer (ISSE) Location: Fort Belvoir, VA (hybrid) Clearance: Top Secret SCI Certification: CompTIA Security + or ... - $200k Job Description BEAT is looking for a Security Engineer /Architect. Candidate will be required to...TCP/IP suite of protocols and services, computer architectures, and network topologies is required. + Experience with DISA STIGs… more
    BEAT LLC (12/09/25)
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  • Sr. Network Security Engineer

    CACI International (Columbia, MD)
    Sr. Network Security Engineer Job... design through implementation, maintenance, and upgrading of existing networks on a team working 24 hours, 7 days ... The Sr. Network Engineer will work within the Network Security Implementation and Sustainment (NSIS) Services section to provide assistance… more
    CACI International (11/25/25)
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  • Sr. Network Security Engineer

    Optiv (Austin, TX)
    …CJIS Background Check and Fingerprinting as part of the onboarding process._ The Sr. Network Security Engineer will be responsible for providing expert, ... day-to-day management of our clients' Palo Alto security environments. This core responsibility includes overseeing the entire...be strong in both technical and soft skills. An engineer must be driven and proactive with the ability… more
    Optiv (12/13/25)
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  • L2 NOC Security Engineer

    Netsync Network Solutions (Dallas, TX)
    Position Summary We are seeking a Level II NOC Security Engineer with strong hands-on experience in Cisco Firepower Threat Defense (FTD) and Palo Alto ... Networks firewalls to join our Network Operations...with rare but occasional on-site visits as needed. The engineer will provide advanced troubleshooting, security incident… more
    Netsync Network Solutions (11/22/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …Deployment and management of firewalls and IDS/IPS technologies. **Overview** We are seeking a Network Security Engineer III to join our team supporting ... professional Network Engineering experience, with proven expertise in: + Network security design, implementation, and control enforcement. + STIG application… more
    TekSynap (10/01/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the ... systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts + IAT Level II certification (GSEC, … more
    ManTech (12/13/25)
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