Senior Linux System Administrator jobs

Orlando, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux System Administrator in Orlando, FL. Key Responsibilities: * General Systems Administration for AI Lab computer and storage clusters * Ensure availability and performance according to SLA * Perform configuration changes, patching, and security hardening * Maintain all components of the solution, including regular updates and hardware maintenance * Implement and monitor backup and disaster recovery solutions, including regular

Contract

$70 - $100 hourly

Linux System Administrator

Ohio

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Today

Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full health/dental/life/vision insurance benefits, interesting assignments, educational reimbursement, competitive salaries and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed. Radiance, supporting major Air Force programs in Dayton OH, is searching for an experienced Red Hat Linux Syste

Full-time

Linux System Administrator

Warsaw, Indiana

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23d ago

Technical / professional qualifications: Installing, configuring and maintaining Linux Servers / VirtualizationInstallation and configuration of HA environment using Linux cluster or Veritas Cluster.Configuration and administration of LVM and Veritas logical volume manager.Installing and Maintaining kickstart environmentPatch and Package administrationPrinter AdministrationWriting shell scripts to accomplish day to day system administration taskConfiguring and supporting domainsTroubleshooting H

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Full-time

$100,000 - $110,000

Linux System Administrator

Atlanta, Georgia

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Today

Location:Onsite in Downtown Atlanta, GA (5 days/week) Employment Type:6+ Month Contract-to-Hire Compensation:Up to $55/hour W-2 or $62/hour 1099/IC Conversion Salary: up to $120k Clearance:Ability to obtain Public Trust (sponsored after start; process ~4 weeks) Benefits (W-2):Medical, dental, vision, LTD/STD, HSA/FSA, term life, supplemental health (e.g., Aflac), and 401(k) On-Call:Part of a light rotation (approx. twice per quarter) Job Summary We are seeking two Linux Systems Administra

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Full-time

Up to $120,000

Linux System Administrator

Phoenix, Arizona

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Today

Join a dynamic IT team as a Linux System Administrator in a full-time role where you'll work primarily with Red Hat Enterprise Linux (RHEL) in a secure, enterprise environment. This organization is modernizing its infrastructure with upcoming migrations to AWS, containerization initiatives, and automation improvements. You'll be part of a tight-knit team of 5 (Network Admin, 3 System Admins, and CISO) supporting critical internal tooling and developer database systems in a 7x24x365 environment.

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Full-time

$110000 - $120000

Linux System Administrator (Data Center)

Lincolnshire, Illinois

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3d ago

Job Title: Linux System Administrator (Data Center) Location: Lincolnshire, IL (100% Onsite) Duration: Ongoing Contract Compensation: $67.00/hr (W2) Position Overview We are seeking a highly motivated Linux System Administrator with strong hands-on data center experience to join our infrastructure team in Lincolnshire. This role is a hybrid of systems administration and physical hardware management, requiring a candidate who is comfortable both at the command line and working physically with ser

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Contract, Third Party

Depends on Experience

Linux & HP-UX System Administrator L3 Support

Chandler, Arizona

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30+d ago

Job Title: Linux & HP-UX System Administrator L3 Support Job Summary: We are seeking an experienced L3 System Administrator with deep expertise in Linux (RHEL/SUSE) and HP-UX environments. This role involves advanced troubleshooting, performance tuning, patching, clustering, and automation across mission-critical infrastructure. The ideal candidate will be responsible for ensuring high availability, security, and compliance of Unix/Linux systems. Key Responsibilities: Linux Administration (RHEL/

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Full-time

$100,000 - $160,000

Linux & HP-UX System Administrator L3 Support

Carrollton, Texas

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30+d ago

Easy Apply

Full-time

$100,000 - $116,000

Linux Administrator with Top Secret Clearance

Olney, Maryland

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4d ago

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

Senior Systems Linux Administrator

Fremont, California

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3d ago

Maxonic maintains a close and long-term relationship with our direct client. In support of their needs, we are looking for a Senior Systems Administrator Job Description: Job Title: Senior Systems Administrator Job Type: Fulltime Job Location: Fremont, CA Work Schedule: Onsite 5 days a week Salary: $00/Yearly The Systems Engineering team is responsible for architecting, building, automating, and managing our server Infrastructure at our campus in Fremont, CA and our public cloud providers. As a

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Full-time

Depends on Experience

System Administrator-Linux

Annapolis, Maryland

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Today

System Administrator - Linux Leidos has a new and exciting opportunity for a System Administrator - Linux 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%

Full-time

USD 92,300.00 - 166,850.00 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

Senior Linux System Administrator

John C. Stennis Space Center, Mississippi

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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: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Information Technology (IT) Infrastructure, Linux, System Administration Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Senior Linux System Administrator The position is for the Senior Linux System Administrator r

Full-time

USD 90,950.00 - 123,050.00 per year

Sr. Linux System Administrator

Andover, Massachusetts

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Today

Date Posted: 2026-01-07 Country: United States of America Location: MA101: Andover MA 350 Lowell St Essex 350 Lowell Street Essex, Andover, MA, 01810 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: Secret - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and

Full-time

USD 68,900.00 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

Linux System Administrator

Laurel, Maryland

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Today

Description Are you passionate about shaping secure, IT systems in classified environments? Do you want to influence system improvements, implementation decisions, and the overall security posture of advanced technology systems? If so, we're looking for someone like you to join our team at APL! We are seeking a Linux System Administrator to join the RF Engineering group to support Hardware-in-the-Loop (HiL) facilities. In this role, you will apply Risk Management Framework (RMF) principles,

Full-time

USD 100,000.00 per year

Red Hat Linux System Administrator (IT SE II) (Government)

Chantilly, Virginia

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Today

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

Full-time

USD 98,100.00 - 160,000.00 per year

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

Linux System Administrator

Fort Meade, Maryland

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Today

Overview SilverEdge Government Solutions is seeking a highly motivated and skilled WebLogic Administrator / Linux System Administrator to support enterprise applications and cloud environments. The ideal candidate will have hands-on experience managing Oracle WebLogic Server, administering Linux systems, and supporting application deployments across Cloud Infrastructures. Responsibilities include: Install, configure, and maintain Oracle WebLogic Server environments.Administer and support Linux

Full-time

Senior Linux Administrator

Hybrid in New Orleans, Louisiana

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Today

Title: Senior Linux Administrator Location: New Orleans LA Work Mode: Hybrid 3 day a week to local office Key Responsibilities: Lead, design, implement, and maintain enterprise Linux environments (Solaris, Debian, RHEL, Ubuntu).Own architecture decisions for high availability, scalability, and performance.Monitor systems and perform performance tuning and capacity planning.Lead troubleshooting and root cause analysis for complex system and production issues, including service failures.Manage OS

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Full-time

Depends on Experience

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Senior Linux System Administrator jobs