• Sr . System Administrator - VDI

    Leidos (Odenton, MD)
    **Description** The Defense group at Leidos has a career opening for a System Administrator on a DISA contract. This role is primarily on the customer site at Ft ... Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY… more
    Leidos (10/21/25)
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  • Sr . Principal Windows/VMware Systems…

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. Please note that ... not be limited to the following: + Perform as a SWindows/VMware systems administrator . + Experience operating under and managing systems within NISPOM Chapter 8,… more
    Northrop Grumman (11/01/25)
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  • Sr System Administrator - Oracle…

    Oracle (Annapolis, MD)
    …teams. **Requirements:** + Seeking 5-8 years of experience working with Windows, Unix/ Linux Servers and system administration + Must have background in Cyber ... Security, Networking and Server Configurations + Willing to work additional or irregular hours as needed and allowed by local laws to include on-call responsibilities + Ability to understand, debug scripts such as Unix shell scripts, Windows PowerShell, Perl… more
    Oracle (11/25/25)
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  • Senior System Administrator

    Oracle (Annapolis, MD)
    …experiences to our collaborators while ensuring reliability and performance. The Senior System Administrator is responsible for day-to-day activities required ... and management tools), Storage, and Unix Servers running at peak performance. The Senior System Administrator is the escalation point for System Administrators… more
    Oracle (11/25/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented ** Sr ** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... incidents and performing root cause analysis + Administer and troubleshoot various Linux distributions (eg, Ubuntu, CentOS, RHEL) within both cloud and on-premise… more
    ManTech (09/10/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...II certification** (eg, Security+ CE, SSCP) + Experience providing Sr . Linux (Red Hat/Rocky/CentOS) and LatteArt /… more
    Leidos (11/15/25)
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  • Senior Unix System Administrator

    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 ... Senior UNIX Administrator to support operations at...(PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability,… more
    SMX (10/18/25)
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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 ... Patuxent River NAS in southern Maryland. As the Systems Administrator , you will join a team of highly-driven, supportive,...with minimal interruption. + Oversee the efforts of less senior staff and/or be responsible for the efforts of… more
    SMX (11/21/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... **Systems Administrator ** with demonstrated experience to maintain the various systems...support to on-premises infrastructure. + Understanding and familiarity of Linux operating system and virtual networking. **Required Skills and… more
    SMX (11/14/25)
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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 Description ... us, visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior System Administrator - Network Operation Center** to support… more
    St. George Tanaq Corporation (11/14/25)
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