• Linux / Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux / Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... CWIP: IAT Level II Certification, IA Baseline Certification in Linux , Unix, Windows , or Cisco OS operating...established Standard Operating Procedures (SOPs). + Build and configure Windows Server 2019 and 2022 systems from… more
    COMSO, Inc (11/27/25)
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  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have...utilities used to create and configure network connections in Linux OS. + Must have experience implementing Windows more
    Belay Technologies (11/07/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (11/19/25)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our ... Pax River. Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets +...(5) years' or more of hands-on experience working with UNIX/ Linux and Windows . + Experience in DoD… more
    JHNA (11/25/25)
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  • System Administrator - Linux

    Leidos (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... **Description** **System Administrator - Linux ** **Leidos** has a...experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have… more
    Leidos (11/19/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator to join its Classified Solutions team in Linthicum, MD. ... limited to the following: + Perform as a primary Windows /VMware systems administrator for a... AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (11/13/25)
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  • (Mid. or Senior) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator ( Windows ) to join our team. The selected individual will ... complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have experience… more
    Belay Technologies (10/01/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... the DoD Certification/ Accreditation process + Ability to install Windows software and hardware applications; upgrade systems ...required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD… more
    ManTech (11/26/25)
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  • Senior Linux System Administrator

    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 ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator (Intermediate-Level) to join our team at Aberdeen Proving ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator will be responsible for the installation,… more
    Link Solutions Inc (11/24/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance ... ManTech seeks a **Senior Linux System Administrator ** to join our...systems administration or IT operations. + Experience with Linux , including installation, configuration, troubleshooting, and maintenance. **Security Clearance… more
    ManTech (10/14/25)
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  • Systems Administrator 2…

    Oracle (Annapolis, MD)
    …We are looking for someone who flourishes working in large-scale, distributed systems and is always looking to identify and implement standard processes and ... + Seeking over 2+ years of experience working with Unix/ Linux Servers and system administration + Must have background...to understand, debug scripts such as Unix shell scripts, Windows PowerShell, Perl and Python from a system administration… more
    Oracle (11/25/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …5 additional years' experience might be substituted for a degree. + Heavy Windows and Linux administration experience + Highly proficient with Active Directory ... **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the Fort Meade, MD area.… more
    ManTech (11/22/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …and security architectures. + Must have experience or familiarity with the following systems : Windows / Linux operating systems , VMware, and Networking: ... of relevant experience. + Must have experience as a systems administrator providing direct support to end...(developers, testers, engineers, etc.). + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory. +… more
    BAE Systems (09/29/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    Systems (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified, ... sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a classified government...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …and evolve the systems that power national-security missions. From enterprise Windows and Linux servers to virtualization, storage, and backup environments, ... Systems Administrator The Opportunity: In this... Systems Administrator The Opportunity: In this role, you'll design,...What You'll Work On: + Engineer and maintain enterprise Windows Server and Linux environments such as… more
    BOOZ, ALLEN & HAMILTON, INC. (11/24/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    …in the resolution process. Configures and manages Virtual and storage environments; Linux , UNIX and Windows operating systems ; installs/loads operating ... **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (09/20/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating ... Senior Systems Administrator Job Category: Information Technology...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and… more
    CACI International (12/02/25)
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  • Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …our Intel team. You will play a key role in supporting and optimizing IT systems across Linux , Windows and VMware environments. You'll provide critical ... required to have the following skills: + Experienced with Linux , Windows , VMWare + Support the development...resolution process + Provides in-depth experience in trouble-shooting IT systems + Configures and manages UNIX and Windows more
    Belay Technologies (11/19/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …**:** Active Top Secret SCI with Polygraph **What You Will Do** **:** As a Systems Administrator , you will be involved in managing and maintaining our IT ... software on both desktop and laptop computers + Experience administering Microsoft Windows Operating Systems , including Active Directory, group policy, and file… more
    Guidehouse (12/13/25)
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