• 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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  • Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity,… more
    Leidos (09/26/25)
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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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  • Sr. Principal Windows /VMware…

    Northrop Grumman (Baltimore, MD)
    …best work of your career. Northrop Grumman Mission Systems is seeking a Windows Systems Administrator to join its Classified Solutions team in Linthicum, ... limited to the following: + Perform as a SWindows/VMware systems administrator . + Experience operating under and...process. + DoD 8140 Certification in a primary OS ( Windows , Linux ). + Ability to communicate effectively… more
    Northrop Grumman (11/01/25)
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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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  • Systems Administrator 2…

    Oracle (Washington, DC)
    …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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  • 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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  • 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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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …a Systems Administrator or similar role + Strong experience with Linux and Windows -based systems administration. + Knowledge of cloud platforms (AWS, ... teams. WHAT YOU WILL DO: Duties and Responsibilities: + Enterprise Authorization: Integrate Linux Systems into a primary Windows environment (workstations &… more
    General Dynamics Information Technology (09/16/25)
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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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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …the infrastructure that powers networks and operating systems such as UNIX, Linux , and Windows . + Install and configure hardware and software, manage user ... Description** BAE Systems is seeking a Senior ** Systems Administrator ** to join the Machine-assisted Analytic...and resolve issues. + Experience with SQL scripting, Java, Windows Server, Linux , Oracle, Tomcat, data backups,… more
    BAE Systems (10/29/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee… more
    BAE Systems (09/09/25)
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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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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Elkridge, MD)
    …to program management and end users. + Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating ... for you to join our team as a **Cyber Systems Administrator ** based out of **Elkridge, MD**...by navigating via command line through different variations of Linux Operating Systems to include Ubuntu, Red… more
    Northrop Grumman (10/02/25)
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