• Security Engineer

    Leidos (Bethesda, MD)
    …This role will be responsible for analyzing and assessing computer/ network architecture security requirementsand determine optimum, cost-effective solutions. ... relay findings through the ISSMs that may impact design, operations and/or performance to the relevant engineering or ...Directory, IIS, DNS, DHCP, Exchange, DFS + Experience implementing security controls on common network services such… more
    Leidos (09/12/25)
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  • Senior Information System Security Engineer…

    BAE Systems (Annapolis Junction, MD)
    …a large software or IT program. + Demonstrated experience performing day-to-day security operations of large, complicated information and information processing ... access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk… more
    BAE Systems (09/09/25)
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  • Mainframe Network Engineer

    Travelers Insurance Company (Annapolis, MD)
    …of the activities performed related to engineering support, installation and/or operations of infrastructure technologies. Plans at an operational level designing ... The team is responsible for all aspects of the evaluation, configuration, security , implementation, and support of the z/OS operating system, RACF, disk/tape storage… more
    Travelers Insurance Company (08/01/25)
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  • Cyber Security Analyst

    Leidos (Adelphi, MD)
    …24 hours a day, 7 days a week within a high-visibility DOD Security Operations Center (SOC). **Primary Responsibilities** + Coordinate investigation and response ... ports and protocols, traffic flow, system administration, OSI model, defense-in-depth and common network security elements. + Understanding of cloud security … more
    Leidos (09/17/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Annapolis, MD)
    …Services (MSS) and Managed Trusted Internet Protocol Service (MTIPS) in a Federal Security Operations Center (Federal SOC) 24x7x365 environment. The Federal SOC ... a SME in 3 or more of the listed security requirements. + If not previously approved, candidates must...of Fortinet Session-Aware Load Balancing Cluster (SLBC) Architecture and operations . + IP Routing and Back Bone Issue isolation… more
    Lumen (10/01/25)
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  • Information Systems Security Officer

    ManTech (Lothian, MD)
    **MANTECH** seeks a motivated and customer-focused **Information Systems Security Officer (ISSO)** to support cybersecurity operations at **Patuxent River, MD.** ... Compliance Checker, incorporating automated Benchmarks + Implementing operating systems and network devices security configuration in accordance with Defense… more
    ManTech (09/27/25)
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  • Senior Information Systems Security…

    Leidos (MD)
    …Framework (RMF) and conducting cybersecurity risk assessments + Expertise in network technology and systems security engineering. Experience in identifying, ... **Description** As a Senior Information Security Systems Engineer (ISSE) you will join a...management, certification and awareness activities for system and networking operations + Reviews C&A documentation, providing feedback on completeness… more
    Leidos (09/26/25)
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  • Information System Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …experience in implanting security systems to safeguard our nation? As a systems security and network security engineer, you can identify the security ... you'll troubleshoot and analyze complex challenges for customers using your knowledge of network and security devices. You'll use your curiosity for technology… more
    BOOZ, ALLEN & HAMILTON, INC. (09/13/25)
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  • Security Engineer

    CACI International (College Park, MD)
    …including hands-on coding projects 2. Proficiency in Linux operating system, network security , including firewalls, VPNs, IDS/IPS, and monitoring tools. ... ideal candidate will have a strong background in system security , threat detection, and network defense, with...and incident handling. . Collaborate with development, IT, and operations teams to integrate security best practices… more
    CACI International (09/10/25)
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  • Security Engineer

    Meta (Annapolis, MD)
    … devices to harden them against attacks. 7. Work with members of IT, Operations , and Security teams to harden the infrastructure against attack. 8. Consult ... Internet security issues and the threat landscape 18. 3. Host, network and application security 19. 4. GNU, Linux, Windows, or OS X 20. 5. TCP/IP networking,… more
    Meta (08/30/25)
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