• Sr. Systems Administrator (Linux)

    Themis Insight (Fort Meade, MD)
    …process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,...+ Proficient with Linux. Minimum of 3 years Linux system administration experience (within the last 3… more
    Themis Insight (12/19/25)
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  • Mid/Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... university is required. + Five (5) years of additional system administration experience may be substituted for...Windows operating systems + CentOS, RedHat, Windows 10, Window Server + DNS Experience… more
    Belay Technologies (11/19/25)
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  • Principal Linux Systems Administrator…

    Northrop Grumman (Linthicum Heights, MD)
    …Technology, a Security+ CE, a Linux+ or RHCSA, and 5 years of Linux Server Administration experience in a classified environment + Understanding of basic ... networking, including subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD, LDAP, VMWare,… more
    Northrop Grumman (11/19/25)
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  • Systems and Database Administrator

    CACI International (College Park, MD)
    …support tasks such as resetting passwords and unlocking user accounts. + Experience with Windows Server and Desktop administration . + Demonstrated ability to ... Systems and Database Administrator Job Category: Information Technology...database administration for 64-bit databases on a Windows Operating System , to include installation, configuration,… more
    CACI International (01/14/26)
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  • System Engineer Level 2

    Jovian Concepts, Inc. (Annapolis, MD)
    …products, integrating them within complex system architectures. Oversee Windows Server administration , including performance tuning, security ... ensuring seamless virtualization, Linux environments, GOTS product integration, and Windows Server administration .<\/span> <\/p>\n \n ​<\/span><\/span>… more
    Jovian Concepts, Inc. (01/15/26)
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  • Systems Support Administrator

    Pearson (Baltimore, MD)
    …(User & Computers, Group Policy, Sites and Services, Domains and Trusts) + Microsoft Windows Workstation and Server Administration (Win 10, 11 - Ser ... + Administer and troubleshoot Windows (workstation and server ), ChromeOS and ChromeOS Flex operating systems ,...experience + Minimum of 3 years of experience in systems administration or equivalent in a large… more
    Pearson (01/08/26)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …and performance requirements + Responsible for the administration of Linux systems , and Windows servers inclusive of applications, processes the ... + Experience with administration of VMware, Linux systems , and Windows servers inclusive of applications, processes the system supports.… more
    Parsons Corporation (12/04/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …ELK clusters, including Elasticsearch, Logstash, Kibana and *beats + Experience with Windows Systems Administration and troubleshooting Active Directory + ... configuration, administration , and troubleshooting of Linux and Windows servers to include base configuration, security...+ Implement and enforce DISA STIG compliance across all systems and networks + Develop server builds… more
    Guidehouse (12/10/25)
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  • Network and Computer Systems Administrator

    ManTech (Belcamp, MD)
    …. + Knowledge of TCP/IP, information security/authorization profiles, or system administration of Unix or Windows networks/ systems + Experience ... seeks a motivated, career and customer-oriented **Network and Computer Systems Administrator** to join our team in **Belcamp, MD**...the network + Must be capable of monitoring the system configuration, including the server event log.… more
    ManTech (12/10/25)
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  • Systems Administrator

    ManTech (Hanover, MD)
    … maintenance by reviewing error logs. **Minimum Qualifications:** + 4 years' experience in Windows Systems Administration with Active Directory and SANS + ... are not limited to** : + Configures and manages Windows -based servers , workstations, and laptops. + Responsible...programming skills to solve problems. + Installs and configures Windows systems including back-end databases and scripts.… more
    ManTech (01/13/26)
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