• Firewall Engineering Manager

    Leidos (Greenbelt, MD)
    …manage the Firewall Engineering Team, providing oversight for enterprise firewall , IDS/IPS, and perimeter security system design, implementation, and ... **Description** Leidos is seeking an experienced ** Firewall Engineering Manager** to lead a team of...through emails that are generated by the Leidos.com automated system - never from free commercial services (eg, Gmail,… more
    Leidos (12/03/25)
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  • Firewall Engineering Architect

    Leidos (Greenbelt, MD)
    **Description** Leidos is seeking an experienced ** Firewall Engineering Architect** to provide senior-level technical leadership, architectural oversight, and ... initiatives. This role is central to designing, evolving, and optimizing the firewall , security, and perimeter protection services that safeguard NASA's Local Area… more
    Leidos (11/25/25)
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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...other areas. + Analyze and evaluate anomalous network and system activity. + Assist in troubleshooting and problem solving… more
    Synergy ECP (11/06/25)
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  • Network Security Firewall Engineer

    ThermoFisher Scientific (Frederick, MD)
    …platforms such as firewalls, web content filtering, etc + Maintains enterprise firewall policy rule base and support the business during technical troubleshooting ... publications Education + Bachelor's Degree in cybersecurity, computer science, systems engineering, or related field. Equivalent work experience is accepted… more
    ThermoFisher Scientific (12/04/25)
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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Security WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** ... https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Security** to support our federal government… more
    St. George Tanaq Corporation (11/18/25)
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  • IT Security Engineer (Johns Hopkins Public Safety)…

    Johns Hopkins University (Baltimore, MD)
    …Event Management (SIEM) tool. Candidates must have a good understanding of firewall technologies, including next-generation firewall capabilities and be able to ... implement in an evolving network. Experience with multiple Firewall vendors is helpful. This position will work with...the technical team responsible for the health of those systems . Experience with SaaS based SIEM technologies and the… more
    Johns Hopkins University (12/06/25)
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  • Information Systems Security Engineer…

    Synergy ECP (Annapolis Junction, MD)
    … security designs. Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing, and ... Enforce the design and implementation of trusted relations among external systems and architectures. Assesses and mitigates system security threats/risks… more
    Synergy ECP (09/18/25)
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  • Mainframe System Programmer/Hardware…

    Ensono (Annapolis, MD)
    Mainframe System Programmer/Hardware ConfigurationRemote - United StatesJR011978 Mainframe System Programmer/Hardware Configuration At Ensono, our **Purpose is ... equipment for functionality, break/fix, and upgrades + Evaluate client systems for migrating into Ensono data centers + Evaluate...LPARs. These IPs are used to create access and firewall requests for the client to implement for user… more
    Ensono (09/17/25)
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  • Information System Security Officer…

    KBR (Fort Meade, MD)
    …Knowledge of various Intelligence community security standards + Proficient in firewall administration, intrusion detection systems , anti-virus software, and ... Title: Information System Security Officer - Intermediate Belong. Connect. Grow....contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (11/07/25)
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  • Senior Network Specialist (Firewalls)

    CDM Smith (Towson, MD)
    …seeking a Senior Network Specialist with deep expertise in network security and firewall management to help safeguard and scale our global IT infrastructure. In this ... closely with Security and Infrastructure teams to ensure our systems remain resilient against evolving threats, while serving as...* Partner with the Information Security team to align firewall rules with compliance and risk standards. * Work… more
    CDM Smith (11/11/25)
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