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  • CompTIA Instructor (Part-time, In-Person)

     ...for a part-time teaching position starting November 2026. In this role, you will instruct adult students pursuing their CompTIA A+, Network+, Linux+, Security+, and/or Cloud+ certifications. Class Schedule: Monday-Friday, 9:00 AM – 1:00 PM ET (20 hours/week) for... 
    Linux
    Part time
    Work at office
    Monday to Friday

    Emerging Technologies Institute, Inc.

    Mineola, NY
    3 days ago

  • Linux System Administrator

    $90k - $120k

     ...Overview By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army National Guard (ARNG) in...  ...achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE)... 
    Linux
    Contract work
    Work experience placement
    Remote work
    Worldwide

    By Light Professional IT Services

    Falls Church, VA
    21 hours ago

  • Linux Administrator

    $82k - $130k

     ...Bachelor's degree in computer science or related field ~3+ years' experience as a Linux/UNIX (RHEL, Solaris) Systems Administrator ~ DoW Secret or Top-Secret Clearance ~ CompTIA Security + certification Pay Transparency Statement AMERICAN... 
    Linux
    For contractors

    American Systems

    Mechanicsburg, PA
    1 hour agonew

  • Linux System Administrator

    $160k

     ...Linux Systems Administrator – Active Top Secret Clearance Location: Springfield, VA – 100% Onsite Salary: Up to $160,000 Base +...  ...tools such as Splunk, Nagios, Grafana, or similar platforms. CompTIA Security+, RHCSA, RHCE, or other relevant technical certifications... 
    Linux
    Full time

    London Approach

    Springfield, VA
    2 days ago

  • Linux Systems Administrator

    $125k - $156k

     ...Linux Systems Administrator Persistent Systems is looking for a Linux Systems Administrator to join our team at our headquarters in...  ...systems administration experience ~ Experience in Ansible ~ CompTIA Linux+ Certification ~ Experience working in an Enterprise Linux... 
    Linux
    Flexible hours

    Persistent Systems LLC (New York)

    New York, NY
    2 days ago

  • Linux Systems Engineer

    $50 per hour

     ...expertise in deploying, configuring, and maintaining Red Hat Enterprise Linux across multiple major releases (6, 8, and 10), including system...  ...monitoring within virtualized data‑center environments.CompTIA Security+ Certification: Comprehensive understanding of foundational... 
    Linux
    Full time
    Temporary work
    Work experience placement
    Interim role
    Casual work
    Flexible hours

    Lockheed Martin

    Moorestown, NJ
    21 hours ago

  • Linux Engineer

    DescriptionSAIC is seeking a Linux Engineer to support our TACNET program onsite in San Diego, CA Or Norfolk, VA. This role requires up...  ...Platform (EAP)Red Hat OpenShift Container Platform (OCP)CompTIA Linux+DESIRED CERTIFICATIONS (not needed to be obtained within 6... 
    Linux
    Remote work

    Science Applications International Corporation

    Norfolk, VA
    21 hours ago

  • Linux Systems Engineer

    $160k - $200k

     ...Job Description Description SAIC is seeking a Linux Systems Engineer capable of working with contractors, government...  ...Engineer (RHCE). RedHat Certified Systems Administrator (RHCSA). CompTIA Linux+. Clearance/Citizenship Requirements: U.S.... 
    Linux
    For contractors
    Flexible hours

    Science Applications International Corporation

    Arlington, VA
    20 hours agonew

  • Linux Systems Engineer

    $160k - $200k

     ...Description SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter...  ...Engineer (RHCE). RedHat Certified Systems Administrator (RHCSA). CompTIA Linux+. Clearance/Citizenship Requirements: U.S.... 
    Linux
    For contractors
    Flexible hours

    SAIC

    Arlington, VA
    2 hours agonew

  • Linux Systems Engineer

     ...Linux Systems Engineer Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced...  ...System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or CompTIA Linux+. Prior experience supporting U.S. Military Command... 
    Linux
    Work at office
    Local area

    ManTech

    Miami, FL
    1 hour agonew

  • Linux Systems Administrator (5469)

    $87.6k - $146k

    SMX is looking for a highly motivated Linux Systems Administrator with demonstrated experience performing System Administration functions...  ...the development of new and innovative principles and concepts.CompTIA Security+ or other DOD INST 8570 compliant qualification is... 
    Linux
    Contract work
    Work experience placement
    Interim role
    H1b

    SMX

    Patuxent River, MD
    21 hours ago

  • Linux administrator

     ...Linux Administrator We are seeking an experienced Linux System Administrator to manage, maintain, and optimize our Linux-based infrastructure...  ...Linux certifications (RHCSA, RHCE, LPIC-1, LPIC-2, CompTIA Linux+) Familiarity with infrastructure as code (Terraform, CloudFormation... 
    Linux

    JConnect Infotech

    Minneapolis, MN
    4 days ago

  • Linux System Administrator

     ...IT/OT System Administrator - Linux Key Responsibilities: Install, configure, and maintain Linux and Windows servers and...  ...Preferred Qualifications: Relevant certifications such as CompTIA Linux+, Microsoft Certified: Windows Server, or Red Hat Certified... 
    Linux
    Remote work

    3B Staffing LLC

    Houston, TX
    4 days ago

  • Mid-level Linux Infrastructure Administrator

    $110k - $140k

     ...Job SummaryBattelle’s Cyber Business Line is seeking a mid-level Linux Infrastructure Administrator to help operate and grow an...  ...independently with minimal oversight.Relevant certifications such as RHCSA, CompTIA Linux+, or Security+ (DoD 8570 IAT Level II).Some of the Extras... 
    Linux
    Work experience placement
    Work at office
    Local area
    Remote work
    Flexible hours

    Battelle Memorial Institute

    Columbus, OH
    1 day ago

  • Sr. IT Linux Systems Adminstrator- Onsite in Sunnyvale, CA- Secret Clearance

    $106.6k - $198k

     ...clearance• Must be a U.S. Citizen• Must have or be able to obtain a CompTIA Security+ certification or Higher DoD 8572 qualified certificate...  ...etc.)• Direct work experience using and administrating Unix or Linux Operating Systems• Must have a solid understanding of Linux file... 
    Linux
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours
    Shift work

    Lockheed Martin

    Sunnyvale, CA
    1 day ago

  • Linux Administrator

    $95k - $135k

     ...Linux Administrator GovCIO is seeking a self-motivated Linux Administrator to support Linux servers and services for the 616th Operations...  ...Information Assurance Technical Level II certification, such as CompTIA Security+ or approved equivalent, if required by the position.... 
    Linux

    Govcio

    San Antonio, TX
    2 hours agonew

  • Linux Systems Administrator

     ...Lead security vulnerability assessments and mitigation efforts on Linux systems and other devices, leveraging advanced features of...  ...years of relevant experience. Certification Requirements: • CompTIA Security+ CE (required) *CompTIA Linux+ or equivalent certification... 
    Linux

    Fuse Engineering

    Saratoga Springs, UT
    17 hours agonew

  • Linux Administrator

     ...Position Overview: We are seeking a skilled and proactive Linux/Windows System Administrator to manage, maintain, and enhance both...  ...Relevant certifications (e.g., RHCSA/RHCE, Microsoft MCSA/MCSE, CompTIA Linux+). Experience with cloud platforms (AWS, Azure) and... 
    Linux
    Remote work
    Flexible hours

    Resolve Tech Solutions

    United States
    1 hour agonew

  • Linux Engineer

     ...Title: Linux Engineer Mandatory - Strong Security Enhanced Linux, VMWare, Red Hat Satellite Server, and Ansible We builds...  ...Certifications such as RHCE, Linux Foundation Certified Engineer, CompTIA Linux+, or relevant cloud/Linux certifications preferred.... 
    Linux
    Remote work

    RIT Solutions, Inc.

    United States
    1 day ago

  • Principle Linux Systems Administrator

    $86.8k - $165.2k

     ...IT systems administration in a heterogeneous Redhat Enterprise Linux, and Microsoft Windows. Experience with Linux fundamentals and Windows...  ...Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start... 
    Linux
    Full time
    Temporary work
    Work experience placement
    Interim role
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Tewksbury, MA
    3 days ago

  • Senior Linux Systems Administrator

     ...Senior Linux Systems Administrator Dahlgren Naval Surface Warfare Center, Dahlgren, VA Salary negotiable - Full Time with Benefits...  ...To qualify: Active DOD Top Secret Security Clearance CompTIA Security+ CE and an active IAT level 3 certification. Six (6)... 
    Linux
    Full time
    Contract work
    Local area

    Strategic Data Systems

    Dahlgren, VA
    1 day ago

  • Linux Administrator

     ...Linux Administrator We are seeking a skilled Linux Administrator to install, configure, maintain, and optimize Linux-based systems...  ...Linux Professional Institute Certification (LPIC-1/LPIC-2) CompTIA Linux+ Oracle Linux Certified Administrator (OCA) SUSE Certified... 
    Linux

    Ova Technologies

    New York, NY
    3 days ago

  • Linux Engineer

     ...Position: Linux Engineer Location: Atlanta, Georgia, United States Terms: Full Time Job Summary: The Research Information...  .... Relevant industry certifications are a plus (e.g., CompTIA Linux+, Red Hat RHCSA/RHCE, Security+). Excellent written... 
    Linux
    Full time

    h3 Technologies

    Atlanta, GA
    3 days ago

  • CompTIA Linux+ Trainer

     ...necessary skills and attitudes to secure employment in their field of training. We have an urgent need for Computer Linux instructors to teach CompTIA Linux+ classes on weeknights/weekends. Required Skills: Excellent presentation skills and the ability to... 
    Linux
    Work experience placement
    Remote work
    Weekend work

    Global Information Technology

    Southfield, MI
    27 days ago

  • Linux System Administrator

     ...Linux Systems Administrator The Pentagon, Washington, DC – (On-Site) Salary negotiable (Depending on experience) - Full Time with...  ...plus ten (10) years of task related experience Active CompTIA Security+CE Certification or equivalent IAT Level II Certification... 
    Linux
    Full time
    Local area

    Strategic Data Systems

    Washington DC
    3 days ago

  • Linux Engineer

     ...Position Summary Brown University Health is seeking an experienced Linux Vulnerability Remediation Engineer to support enterprise...  ...certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team... 
    Linux
    Remote work

    Apex Systems

    United States
    3 days ago

  • Senior Linux Systems Administrator - Ansible / Cisco SDN - NASA Marshall Space Flight Center

    $80k - $85k

     ...Job Title: Senior Linux Systems Administrator – Ansible / Cisco SDN – NASA Marshall Space Flight Center Location: Huntsville, AL (...  ...experience Preferred Red Hat certification (RHCSA/RHCE) and/or CompTIA Security+ Experience supporting government, aerospace, or NASA... 
    Linux
    Full time
    Contract work
    For subcontractor
    Work at office
    Relocation

    ALTECH SOLUTIONS

    Huntsville, AL
    2 days ago

  • Linux Administrator

    $90k - $110k

     ...Linux Administrator Job Number : 32349 Location : Linthicum Heights, MD Job Description : Linux Administrator...  ...) and Ubuntu systems on disconnected environments. Active CompTIA Security+ certification. Active Top Secret clearance with SCI... 
    Linux
    Full time
    Monday to Friday
    Flexible hours

    Allyon, Inc.

    Linthicum Heights, MD
    17 hours agonew

  • System Administrator

     ...required at this facility• Ability to lift 30 pounds• Must possess a CompTIA Security+ or equivalent DoD 8572 qualified certificate (or obtain within the first 60 days of employment)• Experience with Linux or Unix operating systems• Install operating system security... 
    Linux

    PLANIT Group

    Sunnyvale, CA
    1 day ago

  • Linux Systems Administrator

    $90k

     ...Linux Systems Administrator Dexian Government Solutions is recruiting for a Linux Systems Administrator to support our contract at...  ...~ Active Secret security clearance (required) ~ IAT II: CompTIA Security+ certification (or equivalent) ~ Strong knowledge of... 
    Linux
    Contract work
    Temporary work
    Local area

    LinTech Global

    Frederick, MD
    2 days ago