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  • Windows/Linux System Administrator - Defense

    $150k

     ...Administrator to support Defense & Aerospace programs within our IT & Cybersecurity team. You will configure, secure, and maintain Windows/Linux servers, networks, and virtualized environments supporting U.S. DoD missions. Responsibilities include account management, patching,... 
    Suggested

    SimVentions, Inc

    Compton, MD
    more than 2 months ago

  • LINUX System Administrator

     ...THE CYBERCORE TECHNOLOGIES TEAM.We are GROWING ! Bring your Technical Capabilities, Enthusiasm, and Team Focus.New Opportunity for a LINUX System Administrator - TS/SCI Poly.Job Responsibilities:Key Responsibilities: Seeking Linux Systems Administrator to join team in... 
    Suggested

    CyberCore Technologies

    Annapolis Junction, MD
    8 days ago

  • Linux Systems Administrator (5589)

    $95k - $145k

    SMX is seeking a Linux System Administrator to support an embedded lab environment at NAS Patuxent River. This role provides direct hands-on support for hardware, operating systems, and applications within an embedded environment. The Linux System Administrator will ensure... 
    Suggested
    Contract work
    Work experience placement
    H1b

    SMX

    Patuxent River, MD
    7 days ago

  • Linux Systems Administrator

    $92.3k - $166.85k

    Linux Systems AdministratorLocation: Suitland, MDSecurity Clearance: Active TS/SCI RequiredLeidos is seeking an experienced Linux Systems Administrator to support mission‑critical Scientific & Technical Intelligence (S&TI) systems at the Office of Naval Intelligence (ONI... 
    Suggested
    Full time
    Work at office

    Leidos

    Suitland, MD
    8 days ago

  • Red Hat Linux Specialist (2955)

     ...process improvement, and deliver quality services within cost and on schedule.PSI Pax Inc has an exciting opportunity for a Red Hat Linux Specialist to support our government customer located in Patuxent River, MD. Duties & Responsibilities:Install, configure, and maintain... 
    Suggested
    Work at office
    Local area

    PSI Pax

    Patuxent River, MD
    8 days ago

  • Linux Systems Administrator - TS/SCI-FSP clearance

    $130k - $180k

     ...Transformation offerings. **This role requires a TS/SCI clearance WITH a Full-scope polygraph (FSP) through the NSA** **100% Onsite role** As a Linux Systems Administrator on our team, you will be responsible for managing and optimizing enterprise-level systems. You will also... 
    Suggested
    Local area

    Jobot

    Maryland
    a month ago

  • Linux Systems Administrators - All Levels

    $116.35k - $210.33k

    Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector’s Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software... 
    Suggested
    Full time
    Immediate start
    Relocation package
    Flexible hours

    Leidos

    Annapolis Junction, MD
    5 days ago

  • Linux Systems Administrator

    $112k - $179k

    ResponsibilitiesPeraton is seeking a Linux Systems Administrator with an active TS or TS/SCI clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain, and enhance secure Linux-based environments while ensuring uptime and... 
    Suggested
    Contract work
    Shift work

    Peraton Corporation

    Silver Spring, MD
    6 days ago

  • Linux Systems Administrator (5469)

    $87.6k - $146k

    SMX is looking for a highly motivated Linux Systems Administrator with demonstrated experience performing System Administration functions on Aircraft or Weapons Systems networks, and maintaining and upgrading network infrastructures. This position will provide onsite support... 
    Suggested
    Contract work
    Work experience placement
    Interim role
    H1b

    SMX

    Patuxent River, MD
    8 days ago

  • Linux Admin-Owings Mills MD

     ...Linux AdminLocation: Owings Mills MD Duration: 6 Months Rate: DOE $50/hr. on w2US Citizen and Green Card, H4-EAD onlyTop Skillsets/Job Description: The team is looking for skilled UNIX resources with:Core experience in Solaris and LinuxCandidates who have managed Exadata... 
    Suggested

    Georgia IT Inc

    Owings Mills, MD
    4 days ago

  • TS/SCI RHEL Linux System Admin (VA or DC or MD)

    $115k - $120k

     ...Red Hat Linux System AdministratorRequired Skills & Experience - Active TS/SCI clearanceProven experience as a Red Hat Enterprise Linux System AdminHands on AWS experienceExposure to MBSE/CameoKnowledge of Cameo NoMagicExperience with JiraRHCSA CertificationIAT Level II... 
    Suggested

    Insight Global

    Fort Washington, MD
    3 days ago

  • Linux Systems Administrator TS/SCI Clearance

    $125k - $240k

     ...A leading technology company is seeking a seasoned Systems Administrator to manage and secure Linux Operating Systems in support of national security initiatives. The ideal candidate will have an active TS/SCI clearance and over 5 years of experience in IT customer service... 
    Suggested

    Kinsley Power Systems

    Maryland
    5 days ago

  • Secure Classified Linux Systems Administrator

     ...Johns Hopkins Applied Physics Laboratory (APL) is seeking an experienced Linux Systems Administrator to design, implement, and secure Linux environments supporting classified programs. You will collaborate with program managers and cybersecurity staff to ensure availability... 
    Suggested

    Johns Hopkins Applied Physics Lab

    Laurel, MD
    4 days ago

  • RedHat Linux Systems Administrator

     ...Job TitleStrong Linux system administration skills General Red Hat Linux system administration, security patching, OS upgrades, troubleshooting problems, and ensuring maximum availabilityRed Hat Certified Engineer certification (RHCE) is a plusExperience in VMware and/... 
    Suggested

    Fuse Engineering

    Maryland
    11 hours ago

  • Linux Administrator

    $33 - $35 per hour

     ...Job Title: Support Technician / Linux Admin Location: Clarksburg, MD (onsite) Job Type: 6 month contract to hire Pay Rate:...  ...$33-35/hr Our client is a leader in the vehicle industry, developing cutting-edge technology. Their innovative approach is creating... 
    Suggested
    Permanent employment
    Contract work

    Jobrapido

    Silver Spring, MD
    2 days ago

  • Linux Systems Administrator (STO), BS+6 yrs or HS+10 yrs

     ...Job TitleRequired Skills/Experience:• Linux system administration and integration experience (RHEL, CentOS, Ubuntu)• Cloud services experience (AWS, Azure); services provisioning, management of virtual services, familiarity with vendor Platform as a Service offerings•... 

    LINK

    Annapolis Junction, MD
    3 days ago

  • Solaris & Linux System Administrator

     ...Job InformationCDIT Solutions is seeking a skilled and detail-oriented Solaris & Linux System Administrator to join an IT infrastructure team supporting a federal customer environment. The ideal candidate brings strong experience managing enterprise Solaris and Linux environments... 

    CDIT

    Annapolis Junction, MD
    12 hours ago

  • TS/SCI Linux Systems Administrator - Large-Scale Infra

     ...Akina Inc. seeks a System Administrator to support a large-scale Linux system, including installation of COTS/GOTS/FOSS software, day-to-day operations, monitoring, and problem resolution for compute, network, memory, and storage components. The role emphasizes system... 

    Akina

    Maryland
    3 days ago

  • Linux Engineer

     ...hardware and software. Additionally, you will be at the forefront; • Developing and enforcing security protocols for secure, multi-party...  ...monitoring, sustainment, and contribute to process improvement. • As a Linux specialist you will focus on mission capabilities and Linux... 

    Fuse Engineering

    Maryland
    5 days ago

  • Cleared Solaris & Linux System Administrator

     ..., highly impactful, and multi-talented individuals. The ideal candidate will have strong experience managing enterprise Solaris and Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with Solaris Operating... 
    Temporary work
    Local area
    Remote work

    AZUSA SOLUTIONS LLC

    Annapolis Junction, MD
    14 hours ago

  • Linux System Administrator, Senior

    $77.6k - $176k

    Linux System Administrator, SeniorThe Opportunity:Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Annapolis Junction, MD
    8 days ago

  • Linux Administrator (TS/SCI Clearance with Fullscope Polygraph Required)

    $165k - $200k

     ...Linux Administrator (TS/SCI Clearance with Fullscope Polygraph Required) Fort George G Meade, United States | Posted on 10/16/2026 Location: Fort Meade, MD Employment Type: Full-Time Clearance Requirement: Active TS/SCI with Polygraph Salary... 
    Full time
    Local area

    J&T Business Consulting

    Maryland
    16 hours ago

  • Linux System Administrator

     ...LINUX SYSTEM ADMINISTRATOR - Northern Virginia We are seeking an experienced Linux System Administrator to support large-scale Linux enterprise environments operating within highly secure settings. This is an opportunity to work across both traditional infrastructure... 

    Searchability Aerospace & Defense

    Baltimore, MD
    13 hours ago

  • Linux Systems Administrator (5325)

    $78.2k - $130.3k

     ...Linux Systems AdministratorSMX is seeking an Embedded Linux System Administrator to support a lab environment on-site at NAS Patuxent River. This position is expected to last through April 30, 2027. This role focuses on hands-on support of hardware and operating systems... 
    Contract work
    Work experience placement

    SMX Corporation

    Patuxent River, MD
    2 days ago

  • Linux Systems Administrator

    $120.8k - $265.8k

    Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required...  ...maintenance, performance tuning, and lifecycle management. Experience developing automation solutions using Python and/or Bash , with hands-... 
    Full time
    Contract work
    Work experience placement
    Immediate start
    Flexible hours

    CACI International, Inc.

    Maryland
    9 hours ago

  • Linux Systems Administrator

    $86.54 - $110.58 per hour

     ...Community? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate...  ...part of delivering a customer focused engineering solution.As a Linux engineer on our team, you have the chance to shape Air Force Intelligence... 
    Hourly pay
    Contract work
    Local area

    EverWatch

    Annapolis Junction, MD
    2 days ago

  • Linux System Administrator

    $185k - $215k

     ...Senior Linux System AdministratorPeterson Technologies has been the premier resource for mission-critical solutions through detailed analysis, strategic insight, extensive operational experience, and technical expertise. Today, we provide leading-edge data, network security... 

    Peterson Technologies

    Annapolis Junction, MD
    2 days ago

  • Linux Administrator 2

    $180k - $230k

     ...Linux Administrator 2Fort Meade, MarylandT-Rex is looking for a fully cleared Linux Administrator 2 to work on a program in the Fort...  ...in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative... 
    Work experience placement
    Immediate start

    T-Rex Solutions, LLC

    Maryland
    4 days ago

  • Linux Systems Administrator - Quality Assurance

    $92.3k - $166.85k

     ...support Intelligence Community customers as they address evolving national security challenges.About the OpportunityLeidos is seeking a Linux Systems Administrator - Quality Assurance to support Linux-based environments that enable mission-critical testing, validation, and... 
    Full time

    Leidos

    Laurel, MD
    8 days ago

  • Linux Server Systems Administrator

    $155,000 per week

    Administer and monitor Linux servers in physical and virtual environments supporting the National Digital Exploitation & OSINT Center. Troubleshoot incidents, maintain systems and workstations, manage patches and configurations, analyze recurring issues, and document resolutions... 

    Leidos

    Chillum, MD
    5 days ago