Average salary: $115,000 /yearly

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  • Sr. System Admin/System Engineer - Linux

     ...Qualifications: Contractor will be supporting an IC wide mission environment / service. Minimum of 10 years experience as a Linux System Admin / Eng. Required: Linux - (CentOS/RHEL) Linux admin certification desired Required: Extensive experience installing, configuring,... 
    Suggested
    Full time
    For contractors

    CDIT

    Annapolis Junction, MD
    1 day ago

  • Linux Software Integration Engineer

     ...with top tier software like Kubernetes , Docker , Rook within a DevOps culture . You will get to work with cutting edge systems which might include (but are likely not limited to) processing intensive analytics ( remember, this is HPC ), novel algorithm... 
    Suggested
    Work visa
    Flexible hours

    GIGATEC

    Annapolis Junction, MD
    20 days ago

  • Oracle DBA/System Admin

     ...Oracle DBA/System Admin Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise content... 
    Suggested
    Flexible hours
    Weekend work

    Comtech LLC

    Beltsville, MD
    3 days ago

  • Sr Systems Admin - VDI

    $135k

     ...Sr Systems Admin - VDI Location: Fort Meade, Maryland (On-site) Employment Type: Contract to Perm Role Overview We are seeking a Senior Systems Administrator with specialized expertise in Virtual Desktop Infrastructure (VDI). This role serves as the sole... 
    Suggested
    Permanent employment
    Contract work
    Monday to Friday

    Apex Systems

    Maryland
    1 day ago

  • System Admin

     ...System Admin Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise content/data management... 
    Suggested
    Immediate start
    Flexible hours
    Weekend work

    Comtech LLC

    Beltsville, MD
    3 days ago

  • Linux Systems Administrator

    $125,000 per week

    ManTech is looking for a Linux Systems Administrator who will be responsible for maintaining and administering our servers and related computing environments including systems software, applications software, hardware, and configurations. This position plays a crucial role... 
    Suggested

    ManTech International

    Maryland
    12 days ago

  • Linux System Administrator

    $135k

    ManTech International is seeking a Linux System Administrator to support mission-critical Information Technology (IT) and Technical Support operations for U.S. national security customers. In this role, you will design, implement, secure, and maintain enterprise Linux... 
    Suggested

    ManTech International

    Maryland
    a month ago

  • System Admin (Mid-Senior Level)

    We are seeking an experienced Systems Administrator with 10+ years of expertise and a technical Bachelor’s degree to join our team in Annapolis Junction, MD. Responsibilities Support the troubleshooting and maintenance of an End Point Management System (BigFix). Provide... 
    Suggested

    HoogaNet

    Jessup, MD
    2 days ago

  • Top Secret SCI Systems Admin II

    A leading defense contracting company in Annapolis, Maryland is actively seeking a skilled System Administrator II to provide support for IT systems. The role requires managing both Linux and Windows systems, ensuring optimal operations, and assisting users. Candidates... 
    Suggested

    Prosync Tecnology Group

    Annapolis, MD
    3 days ago

  • Senior Linux System Administrator

    $130,000 per week

    ManTech is seeking a Senior Linux System Administrator to provide advanced level support and configuration for our secure computing environments supporting critical national security programs. This role demands proficiency in Linux systems, ensuring stable operations,... 
    Suggested

    ManTech International

    Laurel, MD
    a month ago

  • SOFTWARE INTEGRATION ENGINEER - Linux/Scripting/Kubernetes - 8+ yrs of Experience - TS/SCI w/Poly cl

    $25k

     ...expertise in integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. Ability to integrate, install, configure, upgrade, compile, and support COTS/GOTS software. Generate... 
    Suggested
    Full time
    Contract work
    Temporary work
    Remote work
    Shift work

    Halogen Engineering Group, Inc

    Maryland
    5 days ago

  • Senior IT Systems Admin

     ...Senior IT Systems Admin IT/Software Hollywood, Maryland Direct Hire May 5, 2026 Overview: ExecuSource is seeking a Senior IT Systems Administrator to support and optimize internal infrastructure, systems, and end-user environments. This hands-on role serves as a... 
    Suggested
    Remote work

    ExecuSource

    Hollywood, MD
    3 days ago

  • Linux Systems Administrator

     ...MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for... 
    Suggested
    Full time
    Work at office

    MANTECH

    Maryland
    5 hours ago

  • Linux System Administrator

     ...MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD.   Responsibilities include but are not limited to: Creating and managing virtual environments Systems administration... 
    Suggested
    Full time
    Work at office

    MANTECH

    Maryland
    5 hours ago

  • Systems Engineer (Prime)

    $155k - $195k

     ...role at the center of 24x7 mission operations. This team supports a Watch Desk responsible for monitoring and sustaining operational systems that serve the warfighter and other mission users across Government and Contractor-approved facilities worldwide. You will help... 
    Suggested
    For contractors
    Immediate start
    Worldwide
    Visa sponsorship
    Monday to Friday
    Shift work
    Night shift
    Day shift

    Intelliforce-IT Solutions Group

    Annapolis Junction, MD
    10 days ago

  • System Administrator

    $130k

    SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace missions within our IT & Cybersecurity team. You will configure, secure, and maintain Windows/Linux servers, virtualized environments, networks, and cloud services in support... 

    SimVentions, Inc - Glassdoor 4.6

    Compton, MD
    17 days ago

  • System Administrator

    $135k

    SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace IT and cybersecurity missions. In this role, you will install, secure, and maintain Windows/Linux servers, virtual environments, and networks supporting DoD and federal customers... 

    SimVentions, Inc - Glassdoor 4.6

    Avenue, MD
    17 days ago

  • System Administrator

    $138k

    SimVentions, Inc. (Glassdoor 4.6), a leading Defense & Aerospace technology solutions company, seeks a System Administrator to support our IT & Cybersecurity team. In this role, you will install, configure, secure, and maintain Windows and Linux servers, virtual infrastructure... 

    SimVentions, Inc - Glassdoor 4.6

    Coltons Point, MD
    17 days ago

  • System Administrator

    $130k

    SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support mission-critical defense and federal programs. In this IT & Technical Support role, you will install, configure, and secure Windows/Linux servers, manage user accounts, monitor system performance... 

    SimVentions, Inc - Glassdoor 4.6

    Drayden, MD
    17 days ago

  • System Administrator

    $135k

    SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace missions within our IT & Cybersecurity team. You will install, configure, secure, and maintain Windows/Linux servers, virtualized environments, storage, and network services supporting... 

    SimVentions, Inc - Glassdoor 4.6

    Hughesville, MD
    17 days ago

  • System Administrator

    $140k

    SimVentions, Inc. (Glassdoor 4.6), a technology solutions leader in Defense & Aerospace, seeks a System Administrator to support our IT & Cybersecurity team. In this role, you will install, configure, secure, and maintain Windows and Linux servers, virtual environments... 

    SimVentions, Inc - Glassdoor 4.6

    Great Mills, MD
    17 days ago

  • Test Automation Engineer - systems Admin

     ...Test Automation Engineer - Systems Admin Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and... 
    Flexible hours

    Comtech LLC

    Beltsville, MD
    3 days ago

  • Linux Systems Administrator

    $104k - $166k

     ...Linux Systems Administrator Job Locations US-MD-College Park Requisition ID 2026-166601 Position Category Information Technology Clearance Top Secret/SCI w/Poly Responsibilities Peraton Labs is seeking a poly cleared... 
    Full time
    Contract work
    For subcontractor
    Relocation package
    Shift work

    Peraton

    College Park, MD
    1 day ago

  • Linux System Administrator III

     ...Linux System Administrator III Omega Enterprise Solutions is a Maryland-based, Service-Disabled Veteran-Owned Small Business (SDVOSB) with a special focus on the U.S. Department of Defense (DoD) and Intelligence Community (IC) mission and enabling technologies. We... 

    Omega Enterprise Solutions, LLC

    Annapolis Junction, MD
    2 days ago

  • Linux Systems Administrator - TS/SCI with Polygraph

    $147.29k - $199.28k

     ...Family: IT Infrastructure and Operations Job Qualifications: Skills: Hardware Refresh, IT Installations, Linux, System Performance Monitoring, Unix Certifications: None Experience: 10 + years of related experience US Citizenship Required... 
    Temporary work
    Immediate start
    Remote work
    Worldwide
    Flexible hours

    General Dynamics Information Technology

    Annapolis, MD
    3 days ago

  • Linux Admin

     ...UNIX/Linux Admin In this role you will represent the team on enterprise IT initiatives as assigned and provides recommendations to...  ...centers, network, hardware, software, processes, applications, systems, databases, desktops, peripherals, and other related infrastructure... 

    Samprasoft

    Owings Mills, MD
    4 days ago

  • Linux Systems Administrator 0 (TS/SCI w/ POLYGRAPH)

     ...Linux Systems Administrator 0 (TS/SCI w/ POLYGRAPH) Fort Meade, MD ( Description COMSO, Inc. is a powerhouse when it comes to empowering federal government stakeholders to fulfill their mission with confidence and efficiency. Our staff brings knowledgeable IT systems... 
    Temporary work
    Immediate start
    Flexible hours

    COMSO

    Maryland
    3 days ago

  • Senior System Administrator

    $130,000 per week

    ManTech, a leader in delivering technology solutions for national security, seeks a Senior System Administrator to oversee our critical IT infrastructure. This role is pivotal in maintaining the operational integrity of systems vital for our national security missions.... 

    ManTech International

    Laurel, MD
    20 hours ago

  • Systems Administrator

    $100,000 per week

     ...in providing cutting-edge technologies and solutions for mission-critical national security roles, is currently seeking a skilled Systems Administrator to support our dynamic IT team. In this role, you will be responsible for managing, maintaining, and troubleshooting... 

    ManTech International

    Maryland
    12 days ago

  • System Administrator

    $135k

    SimVentions, Inc. is seeking a System Administrator to support Defense & Aerospace IT and cybersecurity operations for U.S. DoD programs. In this role, you will install, secure, and maintain Windows and Linux servers; manage Active Directory, group policies, and user access... 

    SimVentions, Inc - Glassdoor 4.6

    Dameron, MD
    17 days ago