• Senior System Administrator

    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 ... the Role** We are seeking a ** Senior System Administrator - Network Security **...a related field. + Professional Certifications such as CompTIA Security + or Certified Information Systems Security more
    St. George Tanaq Corporation (08/19/25)
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  • Senior System Administrator

    St. George Tanaq Corporation (Suitland, MD)
    Senior System Administrator - Network Operation Center WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time ... about us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to… more
    St. George Tanaq Corporation (08/15/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... IT systems . We are seeking an accomplished System Administrator - Level 4 to lead...with a focus on high-assurance systems . This senior -level position involves architecture support, advanced troubleshooting, security more
    CACI International (08/01/25)
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  • Senior Unix System

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced ... of mission-critical systems across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched and… more
    SMX (10/03/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... Senior Systems Administrator ** with demonstrated...performing the functional duties for this position + Operating System certificate (Linux) and COMPTIA Security +… more
    SMX (10/03/25)
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  • Senior Linux Systems

    Leidos (Columbia, MD)
    …**Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... ** Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...and access to systems and equipment, implementing security procedures and tools. + ** System Configuration… more
    Leidos (09/26/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... any processes related to these systems . The Senior Systems Administrator will Configure...Associate. One of the following certifications: A+, Network+, or System Security Certified Practitioner (SSCP). + A… more
    CACI International (09/25/25)
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  • Senior System Administrator

    Leidos (Annapolis Junction, MD)
    System Administrator ** **Leidos** has a new and exciting opportunity for a ** System Administrator ** in our **National Security Sector's (NSS) Cyber & ... for a large complex network environment with geographically distributed systems . The position entails supporting solutions for system...for a degree. + Must have ​experience as a systems administrator providing direct support to end… more
    Leidos (09/27/25)
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  • (Mid. or Senior ) System

    Belay Technologies (Annapolis Junction, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator to join our team. The selected individual will be responsible for ... for a large complex network environment with geographically distributed systems . The position entails supporting solutions for system...of relevant experience + Must have experience as a systems administrator providing direct support to end… more
    Belay Technologies (10/01/25)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (08/23/25)
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