Linux System Administrator jobs

Fort Meade, Maryland

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Today

Must Haves: Active TS/SCI security clearance with Full Scope Polygraph from the NSA 3+ years of Linux Systems Administration (Linux OS) experience preferably with RedHat/RHEL Linux, or SUSE Linux Experience with workload management systems, parallel file systems, networking and security System/software maintenance experience - problem isolation using debugging tools, performing software builds, OS upgrades, and patch installations Excellent communication skills and client-facing/customer support

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Full-time

$130000 - $190000 per annum

Senior Linux System Administrator 3

Fort Meade, Maryland

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Today

Job Description What We're Doing: Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps moder

Full-time

USD 117,200.00 - 206,770.00 per year

Senior Linux System Administrator 2

Fort Meade, Maryland

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Today

Full-time

USD 99,700.00 - 175,835.00 per year

Linux System Administrator

Farmers Branch, Texas

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Today

Role: Linux System Administrator Location: Pittsburgh, PA, Phoenix, AZ; Farmers Branch, TX; Strongsville, OH Duration: 6 months Skills: DevOps Continuous Integration and Continuous Delivery (CI/CD), OpenShift Container Platform, RedHat Linux. Administer and maintain RedHat OpenShift clusters in production and non-production environment. Upgrade Clusters Perform Linux system administration, troubleshooting, patching Monitor cluster health, manage node scalability, resource optimization and ensur

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Contract

Up to $45

Linux System Administrator

Huntsville, Alabama

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Today

Description Are you passionate about tackling intricate challenges? Leidos-Dynetics, within the Digital Modernization sector, is seeking a Linux System Administrator to ensure the secure and efficient operation of our Linux-based systems, while seamlessly integrating with other technologies within a high-traffic network environment. In this full-time, on-site role, you will collaborate closely with stakeholders to support a variety of programs. Expertise in both Linux and Windows technologies i

Full-time

USD 89,700.00 - 162,150.00 per year

Linux System Administrator

Huntsville, Alabama

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Today

Job ID: 2508755 Location: HUNTSVILLE, AL, US Date Posted: 2025-08-15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC has an immediate need for a Linux System Administrator to support our Army and Missile Defense Agency (MDA) customers and the STARS team in Huntsville, AL/Redstone

Full-time

Linux System Administrator

Boston, Massachusetts

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Today

Linux System Administrator Brighton, MA (Onsite) Client is seeking an experienced Linux System Administrator to lead the migration and upgrade of a Red Hat Enterprise Linux 7 (RHEL 7) data intake server to RHEL 8 or 9. This role involves close collaboration with IT teams and end users to ensure a smooth transition with zero data loss. The ideal candidate will have deep expertise in Linux system administration, strong problem-solving skills, and a meticulous approach to planning and execution. R

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Contract

$65 - $70 hr

Linux System Administrator - Testbed

Albuquerque, New Mexico

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14d ago

CeLeen, an operating firm of Command Holdings, is seeking a Linux System Administrator - Testbed to support a contract within the Department of Energy. This position would support a critical science and engineering computing environments. The individual will join a fast-paced, dynamic, agile team environment passionate about the delivery of computational engineering services and infrastructure. The ideal candidate is well rounded, having experience with modern systems architectures, development

Full-time

Depends on Experience

Linux System Administrator

Aurora, Colorado

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Today

ManTech is seeking a Linux System Administrator to join our team in Southlands, Colorado. This position supports the ELINT Modernization effort and is part of a collaborative team delivering systems engineering, software development, testing, and configuration management services. Responsibilities include, but are not limited to: Support implementation, troubleshooting, and maintenance of IT systemsManage IT infrastructure and ensure system availability and performancePerform day-to-day system m

Full-time

Linux System Administrator

Aurora, Colorado

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Today

MANTECH seeks a motivated and customer-focused Linux System Administrator to join our team in Southlands, Colorado. This position supports the ELINT Modernization effort and is part of a collaborative team delivering systems engineering, software development, testing, and configuration management services. Responsibilities include, but are not limited to: Support implementation, troubleshooting, and maintenance of IT systemsManage IT infrastructure and ensure system availability and performance

Full-time

Linux System Administrator

Aberdeen Proving Ground, Maryland

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Today

Job Number: R0221928 Linux System Administrator The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Government? We're looking for a system administrator who specializes in Linux with skills in Linux FIPS mod, full disk encryption using LUKS, TANG, Clevis, VMWare, and Active Directory. As a Linux system administrator on our

Full-time

USD 61,900.00 - 141,000.00 per year

Senior Linux System Administrator

Remote

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Today

Overview GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will be located in Arlington, VA, and will be a fully remote position within the United States. Responsibilities In this role, you will work with other members to mitigate vulnerabilities on Linux-based systems, implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other standard Linux administration duties will be include

Full-time

USD 115,000.00 - 135,000.00 per year

Linux/Windows System Administrator

Moorestown, New Jersey

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Today

Job Description WHAT WE'RE DOING The AEGIS O&M program is seeking a Linux/Windows System Administrator in Moorestown NJ. This facility houses both Navy and Lockheed Martin personnel. It primarily serves as a research and development facility for the AEGIS Combat System. AEGIS is a revolutionary naval air defense system capable of guarding against missile threats from land, sea and air. WHO WE ARE Our current team handles everything from: Periodically travelling to different customer sites ar

Full-time

USD 67,000.00 - 117,990.00 per year

Linux Administrator / Linux Admin - Full Time Job ( GA / TX )

Hybrid in Atlanta, Georgia

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Today

Role: Linux Administrator Work Location: Atlanta, GA / Dallas, TX (Work from office 2-3 days a week) Job Type: Full Time Job JD: Bachelor's Degree with a minimum of 7-8 years of hands-on experience and general knowledge of Linux operating systems concepts as well as systems administration experience Strong Technical Knowledge of RHEL based Linux Server environments to provisions, configure, maintain, and troubleshoot (Fedora, Centos etc. Rhel 7) for Pre-Production and Production Environments.

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Full-time

$DOE

OpenShift RedHat Administrator

Remote

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8d ago

Title: OpenShift RedHat Administrator Location: Remote Duration: Long Term Job Description: Container Orchestration: RedHat OpenShift Container PlatformCluster Security : RedHat Advance Cluster SecurityMulti-cluster Management: RadHat ACMAutomation: AnsibleDevOps CI/CD: GitHub/ADOMonitoring: SlunkLogging: Loki StackProficiency in Azure/AWS/Google/Oracle DevOps or GitHub and know how to use them for continuous integration, continuous delivery, pipelines, and Git version control.Experience in usin

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Contract

$50 - $60

Linux System & Network Administrator

Concord, California

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19d ago

We are seeking a seasoned Linux System/Network Administrator with robust, hands-on experience managing and securing mixed Linux and Windows environments. The ideal candidate will possess a strong understanding of system security, infrastructure support, and IT service tools. Experience with Open Enterprise Server (OES) is a significant plus. This role requires someone with strong procedural documentation capabilities, a collaborative mindset, and technical expertise in network devices and IT pla

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Full-time

$100,000 - $120,000

Linux Administrator (CAE)

Hybrid in Plano, Texas

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Today

Sensiple Inc is a New Jersey corporation with over two decades of expertise in technology-driven solutions specialising in Customer Experience, Contact Center Solutions, Digital Transformation, Cloud Computing & Independent Testing. With an expert team that has enriched experience in executing & developing sustainable IT strategies in Healthcare, Technology, Retail, Logistics, Education, Telecommunications, Government and Media, we help our diverse customers to envision the future. By developing

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Contract

Depends on Experience

Linux Administrator (CAE)

Hybrid in Ann Arbor, Michigan

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Today

Easy Apply

Contract

Depends on Experience

Linux Administrator

Oak Ridge, Tennessee

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13d ago

Oak Ridge, TN | Linux System Administrator | Full-time We are actively recruiting a Linux System Administrator for our client in Oak Ridge, TN. This is a contract opportunity with the possibility for conversion to full-time employment; work will be performed onsite in Oak Ridge. This is an excellent opportunity for someone who is experienced in Linux/Unix Administration, DHCP/DNS Administration, and automation through shell scripting and Ansible. The successful candidate must possess strong inte

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Contract

Depends on Experience

System Administrator / Windows and Linux / Consulting Experience Required

Windsor, Connecticut

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Today

This fast-growing managed service provider is looking for a System Administrator to join their highly technical team. This person will be hands on with both Linux and Windows configurations and act as a general jack-of-all-trades for IT infrastructure. This is a great opportunity to work with a great culture and broaden your existing technical skills! This is a full-time role that is flexible hybrid in the Middletown CT area, so only local candidates will be considered. ship is required. Ideal c

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Full-time

75k - 105k

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Linux System Administrator jobs