Senior Linux Administrator jobs

Hybrid in Nashville, Tennessee

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30+d ago

We are seeking a Senior Linux Administrator! This is a long-term/permanent opportunity that offers the benefit of a hybrid schedule! Responsibilities: Design, install, upgrade, automate, and maintain Linux server platforms and operating systemsExecute system upgrades and ensure systems remain on current patch levelsTroubleshoot and resolve complex system and performance issuesAdminister Linux operating systems with proven hands-on experience in enterprise environmentsSupport the full server and

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Full-time

$50 - $55

Senior Linux Administrator

Fort Belvoir, Virginia

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Today

The DTRA program at Leidos is seeking a Senior Linux Administrator inFort Belvoir, VA 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 conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected to work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work indepen

Full-time

USD 92,300.00 - 166,850.00 per year

Sr. Linux Administrator(Linux/Unix Admin)

Bellevue, Washington

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Today

ROLE: Linux Administrator LOCATION: Bellevue, WA Manage and troubleshoot Linux services: DNS, NIS, LDAP, Altair Accelerator, IBM LSF. Perform kernel-level debugging, patching, and performance tuning. Automate system tasks using Ansible, Python, and shell scripting. Maintain secure environments aligned with CISSP best practices. Collaborate with cloud and storage teams for hybrid deployments. Document procedures and maintain version control of installed software."

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

Senior Linux Administrator

Bellevue, Washington

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Today

Sr. Linux Administrator(Linux/Unix Admin) Location : Bellevue, WA Duration: 6+ months Manage and troubleshoot Linux services: DNS, NIS, LDAP, Altair Accelerator, IBM LSF. Perform kernel-level debugging, patching, and performance tuning. Automate system tasks using Ansible, Python, and shell scripting. Maintain secure environments aligned with CISSP best practices. Collaborate with cloud and storage teams for hybrid deployments. Document procedures and maintain version control of installed softw

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Third Party, Contract

55 - 60

Senior Linux Systems Administrator

Hazelwood, Missouri

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Today

Senior Linux Systems Administrator Company: The Boeing Company The Boeing Company's Specialized United States Infrastructure organization is currently seeking a Senior Linux Systems Administrator to join the team in Hazelwood, MO. This role is centered on delivering technical leadership and project support for strategic, enterprise-level hosting environments, primarily catering to initiatives within the Boeing Defense, Space & Security (BDS) business unit. An ideal candidate will recognize th

Full-time

USD 115,600.00 - 156,400.00 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 Systems Administrator

Camp Springs, Maryland

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Today

The Leidos Digital Modernization Sector is seeking a Senior Linux Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our

Full-time

USD 116,350.00 - 210,325.00 per year

Sr. Linux System Administrator

Raymond, Ohio

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Today

Description Summary We are seeking an experienced Sr. Linux System Administrator / Engineer to maintain and optimize the Linux environment supporting and patching multiple Linux servers, as well as support Application Installation / Management across virtual and physical machines, both on-premises and in the cloud. This role involves system administration, automation, and collaboration with leadership to ensure a secure, reliable, and high-performance environment. Key Responsibilities Daily T

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Contract

USD 65.00 - 72.00 per hour

Senior Linux Systems Administrator

Florida

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Linux, RedHat, System Administration Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 3 + years of related experience ship Required: Yes Job Description: Advance how our customers operate while you advance your career. Join GD

Full-time

USD 97,750.00 - 132,250.00 per year

Senior Linux System Administrator

Marlborough, Massachusetts

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Today

Date Posted: 2025-11-21 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and alli

Full-time

USD 82,000.00 per year

Senior Linux Systems Administrator - 10k Sign on Bonus

Aurora, Colorado

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Today

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

Full-time

USD 116,350.00 - 210,325.00 per year

Sr. Linux/Windows Systems Administrator - Top Secret Clearance

King of Prussia, Pennsylvania

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Today

Job Description What We're Doing: Lockheed Martin's Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused on ensuring our customers can dominate the full Electromagnetic Spectrum (EMS), bringing capabilities to bear in the realms of intelligence, surveillance and reconnaissance (ISR), cyber techniques and effects, electronic warfare (EW), information operations (IO), and 5G.MIL; while delivering full-spectrum cyber capabilities and cyber

Full-time

USD 81,600.00 - 143,865.00 per year

Senior Linux Systems Administrator (DevOps)

Olathe, Kansas

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Today

Overview We are seeking a full-time Senior Linux Systems Administrator (DevOps) in our Olathe, KS location. In this role, you will be responsible for performing and planning management and administration of technology in area of specialty while working with team members to ensure technology is effectively supporting enterprise systems. Essential Functions Designs and develops complex, integrated solutions to meet business requirements or enhance performance of Garmin's Linux server computing sy

Full-time

Senior AIX Linux Systems Administrator (Direct Hire)

Hybrid in Westlake, Ohio

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Today

Job Summary Job Title: Senior AIX Linux Systems Administrator Location: Westlake, Ohio (Hybrid 2 days on Site) Type of Employment: Direct Hire Duration: Permanent Job Overview: We are hiring a Senior AIX & Linux Administrator to manage and support our enterprise AIX (IBM Power) and Red Hat Linux environments. You will handle system builds, automation, patching, high availability, performance tuning, and incident resolution for critical business systems. Key Responsibilities: Administer AIX on

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Full-time

$120,000 - $130,000

Linux Systems Administrator, Senior

Crane, Indiana

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Linux Systems Administrator with an active Top Secret clearance to support a mission-critical classified program at Naval Surface Warfare Center Crane Division, IN. This role supports a secure, closed Linux enclave responsible for protecting and recovering highly sensitive mission data. The ideal candidate brings strong Red Hat Linux experience, enterprise system administration skills, and a des

Full-time

USD 80,100.00 per year

Sr. Linux Engineer / Sr. Linux Systems Administrator

The Woodlands, Texas

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Yesterday

Senior Linux Engineer | Contract-to-Hire North Houston | Hybrid (3 days onsite) Our client is hiring a Senior Linux Engineer to support enterprise Linux workloads in a Microsoft Azure environment. This is a hands-on, contract-to-hire role working closely with on-site teams. What you'll do * Support and optimize Linux (RHEL/Rocky/Ubuntu) systems in Azure * Automate provisioning, patching, and monitoring * Troubleshoot complex OS, networking, and cloud issues * Partner with DevOps and application

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Contract

$125000.00 - $145000.00 per annum

Linux/Unix Administrator

Bellevue, Washington

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Today

The following requirement is open. Title : Linux/Unix Admin Location : Bellevue, WA(Onsite) Duration : 6+ Months Rate : $54/hr - $58/hr Relevant Experience (in Yrs.): 8+yrs. Role Description: Sr. Linux Administrator (Linux/Unix Admin) Manage and troubleshoot Linux services: DNS, NIS, LDAP, Altair Accelerator, IBM LSF. Perform kernel-level debugging, patching, and performance tuning. Automate system tasks using Ansible, Python, and shell scripting. Maintain secure environments aligned with

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Contract

54 - 58

Senior Systems Administrator (Unix/Linux) (2902*)

La Plata, New Mexico

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8d ago

PSI Pax is an Economically Disadvantaged Woman-Owned Small Business (EDWOSB) Headquartered in Patuxent River, MD. We are recognized as key contributors to our DOD Customer's mission specializing in Information Technology, enterprise resource planning, business and financial management, acquisition, and logistics. PSI Pax is at the forefront of innovation in supporting our DOD customer's complex requirements. We help our customers nationwide coordinate services across their enterprises, enhance e

Full-time

Linux Administrator with Top Secret Clearance

Olney, Maryland

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Today

Responsibilities: Kriaanet is seeking an experienced Linux System Administrator to implement and manage a centralized Cloud System Management system. This role requires a self-starter who can operate as the program's Linux expert within a small team with minimal supervision. Normal activities for this role include: Configure ACAS; evaluating and understanding STIG; perform ACAS scans and perform compliance assessment against STIG; configure and manage ePolicy Orchestrator for Data Loss Preventio

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Contract

$75 - $100

Linux System Administrator-Senior Level

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

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Senior Linux Administrator jobs