Senior Linux System Administrator jobs

Linux System Administrator & Automation Engineer

Hybrid in Sacramento, California

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Today

Overview We are seeking a highly skilled Linux System Administrator & Automation Engineer to support enterprise operations across on-premises datacenters and hybrid cloud environments. The ideal candidate will have deep expertise in Red Hat Enterprise Linux (RHEL), Ansible automation, security compliance, and DevOps practices. This role involves system administration, security hardening, infrastructure automation, and cross-team collaboration to ensure reliable, secure, and scalable IT services.

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Third Party, Contract

$40 - $60

Senior Linux System Admin - Federal

San Diego, California

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Today

Company Description At ServiceNow, our technology makes the world work for everyone, and our people make it possible. We move fast because the world can't wait, and we innovate in ways no one else can for our customers and communities. By joining ServiceNow, you are part of an ambitious team of change makers who have a restless curiosity and a drive for ingenuity. We know that your best work happens when you live your best life and share your unique talents, so we do everything we can to make t

Full-time

USD 126,700.00 - 215,400.00 per year

Linux System Administrator (Associate or Mid-Level)

Colorado Springs, Colorado

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Today

Linux System Administrator (Associate or Mid-Level) Company: The Boeing Company Boeing Defense, Space & Security (BDS),Red LAN teamis seeking an Associate or Mid-Level Linux System Administrator (Level 2 or 3) to join our team located in Colorado Springs, CO. This position will be responsible for managing and maintaining various Windows and Unix/Linux-based operating systems across multiple local area networks (LANs). You will be a member of a small team with responsibility over three sites,

Full-time

USD 68,850.00 - 93,150.00 per year

Linux System Administrator

Huntsville, Alabama

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Today

Job ID: 2511567 Location: HUNTSVILLE, AL, US Date Posted: 2025-11-14 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC has an immediate need for a BMC3 Systems Administrator Analyst with Linux full stack development experience. We are looking for an innovative and motivated in

Full-time

Linux System Administrator

Hybrid in Atlanta, Georgia

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Today

Job Number: R0228123 Linux System Administrator The Opportunity: On our team, you'll support the client's Security Operations mission. This includes the deployment, operation, administration, troubleshooting, updating, securing, and maintenance of all systems, sof tware, and infrastructure that enable enterprise cybersecurity capabilities across the client and its Operating Divisions ( OpDivs ) . You'll operate, maintain, and administer existing network and systems architectures, and perform ne

Full-time

USD 77,500.00 - 176,000.00 per year

Linux System Administrator

Atlanta, Georgia

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13d ago

Location: Onsite in Downtown Atlanta, GA (i.e., 5 days/week) Employment Type: 6+ Month Contract-to-Hire Compensation: Up to $55/hour W-2 or $62/hour 1099/IC Clearance: Ability to obtain Public Trust (sponsored after start) 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 rotation (approx. twice per quarter) Job Summary We are seeking two Linux Systems Administrators with strong Red Hat Enterprise Linux (R

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Full-time

Up to $62

Linux System Administrator

Bremerton, Washington

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Today

Job Number: R0228663 Linux System Administrator The Opportunity: On our team, you'll support the client's operations mission. This includes the deployment, operation, administration, troubleshooting, updating, securing, and maintenance of all systems, sof tware, and infrastructure that enable enterprise cybersecurity capabilities across the client's environment. You'll operate, maintain, and administer existing network and systems architectures, and perform network administration, including hard

Full-time

USD 77,600.00 - 176,000.00 per year

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

110k - 120k

UNIX Systems Administrator - Senior Linux Engineer

Boca Raton, Florida

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13d ago

UNIX Systems Administrator - Senior Linux Engineer Must be resides in Florida Onsite interview & Onsite work option Job Description: UNIX Operations team is searching for a candidate who is proficient within a LINUX (Red Hat). The ideal candidate will have 10+ years of experience within systems administration. This candidate will provide LINUX support of around 300 servers. We are looking for an effective communicator and a problem-solving individual with good organizational skills and attentio

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Contract

Depends on Experience

Linux System Administrator

Albuquerque, New Mexico

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Today

Linux System Administrator Albuquerque, NM Join our Talent Network Linux System Administrator Albuquerque, NM Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging c

Full-time

UNIX Systems Administrator (Senior Linux Engineer)

Boca Raton, Florida

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Today

Job Title: UNIX Systems Administrator (Senior Linux Engineer) (PR867615-R168402) Location: Tolls Data Center, 7941 Glades Rd., Boca Raton, FL 33434 Duration: 8 Months (1200 Hours) For over 16 years, Trilyon has been a leader in global workforce solutions, specializing in Cloud Technology, AI/ML, Software Development, Technical Writing, and Digital Transformation. We partner with top companies to deliver high-quality talent in engineering, IT, and emerging technologies. For additional informat

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Contract, Third Party

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 89,700.00 - 162,150.00 per year

System Administrator- Linux

Annapolis, Maryland

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Today

Job Description 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 Holiday

Full-time

USD 72,150.00 - 130,425.00 per year

UNIX System Administrator (Sr. Unix Linux Engineer)

Florida

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Today

UNIX System Administrator (Sr. Unix Linux Engineer) - Contract- Boca Raton, FL- $71.00 -$76.00/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not availa

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Contract

USD 71.00 - 76.00 per hour

Linux/Windows System Administrator - HBITS-07-14334

Albany, New York

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Today

84 months experience with software installations on Linux operating systems. 84 months experience with administration of TeamSite Software used for management of static web content. 84 months experience with server administration of WebSphere or Apache HTTP Web Servers. 84 months experience with software installations on Windows Operating Systems Agency: Information Technology Services (ITS) Project: NYS e-MPIRE Tax Processing System Detailed Job Description: This position will work on tax m

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Contract, Third Party

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 System Administrator

New York, New York

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18d ago

Application Deadline: 11/30/2025 Address: 3 Times Square Job Family Group: Technology Monitors, restores service, changes, supports, and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments are managed. Monitors and ensures service restoration of infrastructure, applications (online and offline), and security, while meeting service level agreements. Provides the Help/Service Desk support, as

Full-time

USD 81,400.00 - 151,800.00 per year

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

WebLogic/ Linux System Administrator

Annapolis, Maryland

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Today

Location: Annapolis Jct, Maryland Type: Contract Job #3831 Title: WebLogic/ Linux System Administrator Location: Annapolis Junction Compensation Range: $160 - 180k *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work

Full-time

USD 160,000.00 - 180,000.00 per year

Linux System Administrator

Maryland

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Today

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a WebLogic Administrator/Linux Systems Administrator to join our dynamic team. This individual will play a pivotal role in developing innovative and

Full-time

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Senior Linux System Administrator jobs