• 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 ... Data Center (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and… more
    SMX (10/18/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc. + Implement and ... for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center...performance, install system -wide software, validate and implement system patches, including fast turnaround time security … more
    Leidos (10/01/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …optimize a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide advanced technical leadership and hands-on support ... security patches (IAVA) and maintain accurate tracking in systems of record + Conduct detailed system ...expert knowledge of UNIX, Linux , and Windows systems and networking + Coordinate system changes… more
    CACI International (10/30/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Level 1 System Administrator Provides support for ... enhancements to improve reliability and performance. Requirements The Level 1 System Administrator shall possess the following capabilities: + Provide support… more
    Synergy ECP (10/28/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead and support complex enterprise IT environments, ... Senior System Administrator Job Category: Information Technology...oversight across a range of IT platforms including UNIX, Linux , and Windows systems . The ideal candidate… more
    CACI International (10/30/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    …of related experience; or 20 years of experience as a System Administrator without a degree. + Security + certification required The proposed salary range ... System Administrator 3 Location Annapolis Junction,...and manage Linux , UNIX and Windows operating systems and install/load operating system software, troubleshooting,… more
    DCCA (11/17/25)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …3+ years of experience + 5+ years of experience as a System Administrator + Experience with administration of VMware, Linux systems , and Windows ... talent and redefine what's possible. **Job Description:** Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as… more
    Parsons Corporation (09/04/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in **Hanover, MD** . Our team delivers enterprise ... S3, VPC, IAM, and other core services + Monitor system performance, availability, and security , responding to...Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (09/10/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description System Administrator Level 2 ... enhancements to improve reliability and performance. Requirements The Level 2 System Administrator shall possess the following capabilities: + Provide support… more
    Synergy ECP (10/22/25)
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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 ... visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a **Senior System Administrator - Network Operation Center** to support our… more
    St. George Tanaq Corporation (11/14/25)
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