Linux Administrator jobs

Arlington, Virginia

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Today

Job ID: 2610475 Location: Arlington, VA, US Date Posted: 2026-03-20 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is currently seeking an experienced Linux and UNIX Administrator to operate and maintain Red Hat and Oracle Linux (Release 7 and 8), and HP-UX (11.31) operating systems within

Full-time

Linux Administrator SME

Springfield, Virginia

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Today

Linux Administrator SME Key Qualification Checklist Program: Centralized SuperComputing Facility (CSCF) HPC Clearance Required: Active TS/SCI with CI Poly Basic Qualifications (Must Have) Bachelor's in Computer Science (or AIS) + 10+ years experience 5+ years developing system software in heterogeneous, multi-platform environments Strong Bourne/Bash & Expect scripting skills Advanced Linux kernel debugging (source code review, logs, crash, systemtap) Experience managing Red Hat Satellite repos

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Full-time, Contract

Senior Linux Administrator

Clemson, South Carolina

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Yesterday

Required Skills 5+ years of experience with Linux/UNIX 3+ years of experience with a highly regulated Health Care environment (HIPAA) 3+ years of experience with Scripting and Automation 3+ years of experience working in a mixed Linux and Windows environment within a VMWare or other cloud-based enterprise environment. Preferred Skills RedHat based Linux SaltStack (or other configuration management software such as Ansible or Puppet) GIT Splunk/Elasticsearch or similar Logging Technologies

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Full-time, Part-time, Contract, Third Party

USD 1-1

Linux Administrator

No location provided

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Today

GovCIO is currently seeking a Senior Linux Administrator to support the installation, configuration, maintenance, and optimization of Linux based systems in support of 616th Operations Center (616 OC) operations. This position will be located in San Antonio, TX and will be an onsite position. Responsibilities Manages and maintains Linux-based systems and servers. Primary duties include installing, configuring, updating, and hardening Linux operations systems and software applications. Ensures s

Full-time

USD 115,000.00 - 135,000.00 per year

Linux Administrator

Arlington, Virginia

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Today

Job#: 3028202 Job Description: For immediate response, please send to : Updated WORD resume, desired hourly rate, and best time to speak! Job ID: 3028202 Position: Linux Administrator Location: 100% REMOTE (HQ in Arlington, VA) Duration: Long Term Contract (W2 ONLY) MUST HAVES: Ability to obtain and maintain a DoD Secret Clearance | Security+ CE (please send a copy)Bachelor's & 7-10+ years of experienceScripting experience with Bash, Python, or Ansible Role Overview We are seeking a Linux Adm

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Full-time

Linux Administrator

Norwalk, Connecticut

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18d ago

A Fairfield County hedge fund is seeking a Linux Systems Administrator to join its Technology Infrastructure team. This role will support the firm s Linux server environment, including system provisioning, configuration, maintenance, and performance optimization, while collaborating with cross-functional IT teams to support enterprise applications and infrastructure. ResponsibilitiesManage Red Hat Linux server operations, including builds, upgrades, performance tuning, and troubleshootingOversee

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Full-time

$100,000 - $180,000

Linux Administrator SME

Cope, Colorado

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Today

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Full-time

USD 99,700.00 - 175,835.00 per year

Linux Administrator -

Princeton, New Jersey

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2d ago

Job Title: Linux AdministratorLocation: Princeton, NJ (4 days onsite)Duration: 12+ Months Job Summary:Looking for a Linux Administrator with strong system administration experience and basic vulnerability management knowledge. The role is mostly Linux-focused (90%) with some exposure to security and vulnerability tools. Key Skills: Strong Linux Administration experienceBasic Windows knowledgeExperience with vulnerability tools like Qualys, Nessus, etc.Ability to generate reports and track remedi

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Contract, Third Party

Depends on Experience

Linux Administrator

Fort Belvoir, Virginia

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19d ago

Job Title: Linux Administrator Location: Fort Belvoir, VA Type: Direct Hire Contractor Work Model: Onsite Security Clearance: Active Secret Clearance Required Responsibilities Support, maintain, and enhance Linux-based systems and services that enable Identity, Credential, and Access Management (ICAM) functions across the enterprise. Manage, configure, and maintain Linux servers (RHEL/Oracle Linux/Ubuntu or distributions in use). Perform patching, vulnerability remediation, system hardening, an

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Full-time

Depends on Experience

Linux Administrator SME - HPC Operations

Springfield, Virginia

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24d ago

Linux Administrator SME - HPC Operations Location: Springfield, VA - Onsite Duration: Longterm Role Summary: Provide expert-level Linux administration for our Centralized SuperComputing Facility (CSCF) and associated HPC contracts. You'll handle day-to-day operations, automation, and user support to ensure optimal system performance and availability. This role requires an active TS/SCI clearance with CI Polygraph at the time of onboarding. Full-time onsite presence at designated federal fa

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Contract, Third Party

$55 - $60

Sr Linux Engineer/Administrator

Houston, Texas

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Yesterday

NAVA Software solutions is looking for a Sr Linux Engineer/Administrator Details: Sr Linux Engineer/Administrator Houston TX - Hybrid Duration: 12 months Client someone with interest and proven experience moving users from Windows to Linux and changing out all other Windows-based plumbing (i.e. Active Directory, Group Policies, DNS, DHCP, email, Systems Center, software packaging, etc.)

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Contract, Third Party

Linux System Administrator

Downey, California

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8d ago

Job SummaryThe Linux System Administrator is responsible for managing, maintaining, and securing Linux-based systems across private and public cloud environments. This role involves applying industry best practices to resolve complex technical issues, administering multiple Linux distributions, and ensuring high availability, performance, and security of computing infrastructure. The administrator collaborates with cross-functional teams to deliver secure and reliable IT services to county stake

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Contract

Depends on Experience

Linux System Administrator

Downey, California

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4d ago

Onsite role. Background Checks: Yes Position Description: The Linux System Administrator is responsible for applying Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS, Suse and Debian concepts and industry best practices to resolve complex issues, provide daily operational management of private and public cloud Linux server instances, maintaining thorough documentation of procedures and system configurations, selecting methods and techniques to obtain solutions, evaluating technologies, performing

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Full-time

Depends on Experience

Linux Administrator (Cleared)

Marlborough, Massachusetts

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Today

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do We are seeking a highly skilled and motivated Linux Adminis

Full-time

USD 121,000.00 - 191,000.00 per year

ITSM ServiceNow Platform & Linux Administrator /CMDB Engineer

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Linux, Microsoft Windows Server, ServiceNow Administration, ServiceNow Configuration Management Database (CMDB), ServiceNow Platform Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: SYSTEMS ENGINEER Senior - Servi

Full-time

USD 119,000.00 - 161,000.00 per year

Senior Linux Administrator Team Lead

Falls Church, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Critical Systems, Enterprise Systems, Software Updates, System Administration, Technical Issues Certifications: CompTIA Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat Experience: 5 + years of related experience ship Require

Full-time

USD 127,500.00 - 172,500.00 per year

Senior Linux Administrator

Lorton, Virginia

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Today

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Full-time

Systems Engineer /Linux Administrator

New York, New York

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Today

Location: New York City, NY Salary: $100,000.00 USD Annually - $120,000.00 USD Annually Description: Title: Systems Engineer /Linux Administrator Location: New York, NY (10036) Experienced Systems Engineer /Linux Administrator with 8+ years in enterprise infrastructure, specializing in server management, networking, and security. Skilled in designing, implementing, and troubleshooting complex systems across Linux environments, databases (SQL Server, Sybase), and IoT platforms This job will

Contract

USD 100,000.00 - 120,000.00 per year

Lead, Linux Systems Administrator

West Palm Beach, Florida

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

Linux System Administrator - I3TS

Fort Belvoir, Virginia

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Today

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required Description TEKsystems is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualizati

Full-time

USD 60.00 - 65.00 per hour

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Linux Administrator jobs