• 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...SCIF, with no access to external networks or corporate systems , and adhering to one-way diode transfer protocols.** Reporting… more
    Zscaler (11/22/25)
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  • Information Systems Security

    CGI Technologies and Solutions, Inc. (Huntsville, AL)
    **Information Systems Security Engineer (ISSE) - Mid** **Category:** Cyber Security **Main location:** United States, District of Columbia, Washington ... CGI Federal is currently looking for a Mid-Level Information Systems Security Engineer with active...Senior-level IT professional. * Experience with software development and system interfaces. * Familiarity with .NET, C#, JavaScript, Java,… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Sr. Network Security Engineer

    CACI International (Columbia, MD)
    Sr. Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... None * * * **The Opportunity:** The Sr. Network Engineer will work within the Network Security ...equipment and network simulators. + Designs, implements, and evaluates security systems + Contributes to security more
    CACI International (11/25/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …and management of firewalls and IDS/IPS technologies. **Overview** We are seeking a Network Security Engineer III to join our team supporting Department of Navy. ... across hardware, software, and network components. + Conduct STIG implementation to ensure systems meet DoD security compliance standards. + Configure and manage… more
    TekSynap (12/30/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and ... **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the… more
    ManTech (12/13/25)
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  • Security Engineer

    Electrosoft (Gaithersburg, MD)
    Security Engineer Posted: 05/15/2025 Electrosoft Services, Inc. is an award-winning company that provides comprehensive technology-based solutions and services ... please apply and share in the many benefits and opportunities we offer. Security Engineer Responsibilities and Duties: + Possess a working knowledge of… more
    Electrosoft (10/13/25)
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  • Sr. Network Security Engineer

    Optiv (Austin, TX)
    …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 ... with rare but occasional on-site visits as needed. The engineer will provide advanced troubleshooting, security incident...and remote access) + Perform HA failover checks and system health monitoring + Review and analyze logs, syslog… more
    Netsync Network Solutions (11/22/25)
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  • Lead Security Engineer

    Foxhole Technology, Inc (Leesburg, VA)
    **Overview** **Job Title: Lead Security Engineer ** **Clearance: Secret** **Location: Leesburg, VA -Hybrid (Onsite 3 days per week)** Foxhole Technology provides ... services and solutions that solve operational gaps, operate critical systems , and protect and secure the enterprise - across...the world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of… more
    Foxhole Technology, Inc (12/19/25)
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  • Senior Cyber Security Engineer

    BIC Corporation (Shelton, CT)
    + Apply Now + Start applying with LinkedIn + **Please wait ** **Senior Cyber Security Engineer ** Shelton, CT, US, 06484 BIC Hybrid Description: For over 75 ... (CrowdStrike) + Strong understanding of Windows server and desktop operating systems , networking fundamentals, security concepts, Active Directory, Microsoft… more
    BIC Corporation (11/28/25)
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