• Mid-Level Infrastructure Administrator

    CyberData Technologies (Bethesda, MD)
    Job Title: Mid-level Infrastructure Administrator (NEI-6) Location: Bethesda, MD CyberData Technologies is seeking a skilled Infrastructure Administrator to ... Active Directory, Microsoft Windows Servers (2012-2022). + Solid understanding of networking protocols Skills: + Strong problem-solving and troubleshooting skills in… more
    CyberData Technologies (07/04/25)
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  • System Administrator

    CACI International (College Park, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: Local * * * **The Opportunity:** CACI is seeking a System Administrator to join our team. **Responsibilities:** As a Mid-Level Linux Infrastructure Engineer… more
    CACI International (06/11/25)
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  • Firewall Administrator & InfoSec Engineer…

    Lockheed Martin (Bethesda, MD)
    …the Boundary Transformation and Secure Transport team is hiring a mid\-career Firewall Administrator / InfoSec Engineer\. **What You Will Be Doing:** In this role, ... \(particularly with Palo Alto and Juniper firewalls\) in an enterprise\-level networking environment and in enterprise network administration\. You also have a… more
    Lockheed Martin (07/16/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **Fort Meade, MD** area. ... to include routers and switches, gateways and hubs. + Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and… more
    ManTech (08/20/25)
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  • IdM Platform Administrator

    Leidos (Odenton, MD)
    **Description** Leidos is seeking an IdM Platform / *nix Platform Administrator to join our team at Ft. Meade, MD.In this role you will provide security ... guidance. + Experience with Solaris OS and Oracle Unified Directory + Understand networking concepts such as firewalls, service ports, and the OSI model + Have… more
    Leidos (07/18/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... (active directory and/or LDAP) o Experience with Jira and Confluence o Networking /Load Balancing * Docker/Kubernetes * MongoDB 4.x * Strong organizational and time… more
    Synergy ECP (07/16/25)
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  • Senior Linux System Administrator 3

    Lockheed Martin (Fort Meade, MD)
    …may be substituted\. * Ten \(15\) years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and complexity\. * ... and Debian\. Knowledge of Linux systems processes, file systems, networking and offline repository configurations * Familiarity with cloud\-native technologies… more
    Lockheed Martin (07/12/25)
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  • Senior Cloud System Administrator

    TekSynap (Columbia, MD)
    …QUALIFICATIONS** + Minimumeight(8) years of experience as a System Integrator, Administrator , or Cybersecurity Roll + Minimum ofBachelor's Degreefrom an accredited ... + Has, or is willing to gain, more diverse IT skills, including Windows/Linux, networking , andmore + Able to build systems from the ground up - network… more
    TekSynap (07/09/25)
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  • Systems Administrator 3 - 23829 (FS Poly…

    Huntington Ingalls Industries (Fort Meade, MD)
    …role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure ... with network administrators. + Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance,… more
    Huntington Ingalls Industries (07/08/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program networks in a ... and familiarity with various IT concepts such as virtualization, basic networking , Microsoft Active Directory services, DHCP, DNS, etc. Understanding and familiarity… more
    Nightwing (06/24/25)
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