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Linux Admin Jobs in Tennessee (NOW HIRING)

Lokar

Magento Website Administrator

Knoxville, TN · On-site

The Magento Web Administrator/Developer will be instrumental in the continual improvement and ... The ideal candidate will have a deep understanding of Magento 2, PHP, and Linux. Clear ...

BNH

Lead System Administrator

Arnold Air Force Base, TN · On-site

$108K - $131K/yr

Job Title: Lead System Administrator Location: Arnold AFB, TN Job Family Code: P - IT ... Deep expertise in configuring and troubleshooting Linux (including Red Hat Enterprise Linux ...

BNH

Lead System Administrator

Arnold Air Force Base, TN · On-site

$108K - $131K/yr

Lead System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network ... Deep expertise in configuring and troubleshooting Linux (including Red Hat Enterprise Linux ...

BNH

Lead System Administrator

Arnold Air Force Base, TN · On-site

$108K - $131K/yr

Lead System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network ... Deep expertise in configuring and troubleshooting Linux (including Red Hat Enterprise Linux ...

BNH

Lead System Administrator

Arnold Air Force Base, TN · On-site

$108K - $131K/yr

Lead System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network ... Deep expertise in configuring and troubleshooting Linux (including Red Hat Enterprise Linux ...

Launch Tennessee

Senior Systems Administrator

Nashville, TN · On-site

$83K - $112K/yr

About the Role Whisper Aero is seeking a skilled and dedicated Senior Systems Administrator to join ... The candidate should have deep knowledge of Linux (we use Ubuntu) and should have a mindset of ...

Whisper Aero

Senior Systems Administrator

Nashville, TN · On-site

$83K - $112K/yr

About the Role Whisper Aero is seeking a skilled and dedicated Senior Systems Administrator to join ... The candidate should have deep knowledge of Linux (we use Ubuntu) and should have a mindset of ...

LHH US

Database Administrator

Hendersonville, TN · On-site

$70K/yr

Database Administrator (DBA) II (Mid-Level) Location: Nashville, TN Employment Type: Full-Time, ... Linux * Windows Server * Data Warehousing * Database Monitoring Tools The ideal candidate is detail ...

LHH US

Database Administrator

Hendersonville, TN · On-site

$70K/yr

Database Administrator (DBA) II (Mid-Level) Location: Nashville, TN Employment Type: Full-Time, ... Linux * Windows Server * Data Warehousing * Database Monitoring Tools The ideal candidate is detail ...

Arcarithm, Inc.

OpenShift DevOps Engineer

Tullahoma, TN · On-site

$45.75 - $62.50/hr

... Linux administration. This role will work closely with software developers, cybersecurity personnel, cloud engineers, and system administrators to deploy and maintain secure, scalable, and highly ...

Archarithms Inc

OpenShift Engineer

Tullahoma, TN · On-site

$45.75 - $62.50/hr

... Linux administration. This role will work closely with software developers, cybersecurity personnel, cloud engineers, and system administrators to deploy and maintain secure, scalable, and highly ...

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How much do linux admin jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for linux admin in Tennessee is $46.49, according to ZipRecruiter salary data. Most workers in this role earn between $38.17 and $53.89 per hour, depending on experience, location, and employer.

What is a Linux admin?

Linux Admins, or Linux Administrators, are IT professionals responsible for installing, configuring, maintaining, and troubleshooting Linux-based systems and servers. They manage user accounts, ensure system security, perform backups, and monitor system performance. Linux Admins play a critical role in ensuring the smooth operation of servers and applications that rely on the Linux operating system within organizations.

What are the key skills and qualifications needed to thrive as a Linux admin?

To thrive as a Linux Admin, you need a solid understanding of Linux operating systems, scripting languages (such as Bash or Python), and system administration principles, typically supported by a degree in IT or a related field. Familiarity with tools like Ansible, Docker, system monitoring utilities, and certifications such as CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA) are highly valued. Strong problem-solving abilities, attention to detail, and effective communication skills help you proactively resolve issues and collaborate with IT teams. These skills are crucial for maintaining secure, reliable, and efficient server environments that support organizational operations.

What are some common challenges a Linux admin faces when managing large-scale server environments?

Linux Admins working in large-scale environments often encounter challenges such as maintaining system uptime during updates, ensuring consistent configuration across multiple servers, and quickly responding to security threats. Balancing automation with manual oversight is crucial, as scripts and management tools like Ansible or Puppet can introduce new complexities. Additionally, collaborating with development and security teams to implement changes without disrupting services requires strong communication and problem-solving skills.

What is the difference between Linux Admin vs Network Administrator?

AspectLinux AdminNetwork Administrator
CertificationsLinux+, RHCECompTIA Network+, Cisco CCNA
Work EnvironmentServer management, Linux systemsNetwork infrastructure, routers, switches
Primary ResponsibilitiesServer setup, Linux system maintenanceNetwork configuration, troubleshooting
Industry UsageData centers, hosting providersCorporate networks, ISPs

While both roles involve network and system knowledge, a Linux Admin specializes in managing Linux servers and operating systems, whereas a Network Administrator focuses on maintaining and troubleshooting network infrastructure. Both roles often collaborate but serve different core functions within IT environments.

Are Linux admins in high demand?

Linux administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Skills in scripting, system security, and certifications like RHCE or CompTIA Linux+ can enhance job prospects, which are often available in data centers, tech companies, and enterprise IT environments.

How much do Linux administrators get paid?

Linux administrators typically earn between $70,000 and $120,000 annually, depending on experience, certifications, and location. Entry-level roles may start around $60,000, while senior positions with advanced skills in scripting, networking, and security can exceed $130,000.

Is a Linux administrator a good career?

A Linux administrator is a valuable IT professional responsible for managing Linux-based systems, ensuring security, performance, and uptime. The role often requires knowledge of scripting, networking, and certifications like CompTIA Linux+ or LPIC. It offers strong job growth prospects and competitive salaries in the technology sector.

What are the most commonly searched types of Linux Admin jobs in Tennessee?

The most popular types of Linux Admin jobs in Tennessee are:

What are popular job titles related to Linux Admin jobs in Tennessee?

For Linux Admin jobs in Tennessee, the most frequently searched job titles are:

What job categories do people searching Linux Admin jobs in Tennessee look for?

The top searched job categories for Linux Admin jobs in Tennessee are:

What cities in Tennessee are hiring for Linux Admin jobs?

Cities in Tennessee with the most Linux Admin job openings:

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For Linux Admin jobs in TN, the most frequently searched job titles are:

Linux Admin jobs near you
Infographic showing various Linux Admin job openings in Tennessee as of August 2026, with employment types broken down into 87% Full Time, 4% Part Time, and 9% Contract. Highlights an 83% Physical, 7% Hybrid, and 10% Remote job distribution, with an average salary of $96,693 per year, or $46.5 per hour.

Senior HPC Linux Systems Engineer, Classified Environment

Oak Ridge, TN • On-site

Oak Ridge National Laboratory
Scientific Research and Development Services • 5 - 10K employees
Learn more about Oak Ridge National Laboratoryexternal

Full-time

Re-posted 24 days ago

Oak Ridge National Laboratory rating

8.8

Company rating: 8.8 out of 10

Based on 16 frontline employees who took The Breakroom Quiz

Job description

Requisition Id 16496
Overview:
The Field Intelligence Operations Division invites candidates to apply to join our National Security Computing team to contribute to the design, implementation, and management of High-Performance Computing (HPC) systems within a classified environment. We are looking for candidates with experience in HPC architecture, cluster management, and parallel computing, with a proven ability to work within highly secure and regulated environments. This role involves close collaboration with security teams, scientists, and IT leadership to ensure that the HPC infrastructure meets the stringent performance, security, and compliance requirements necessary for classified work.
As part of our team, you will be joining a vibrant group of professionals eager to provide premier customer service to ensure people and information technology remain secure. The team is collaborative and strives to ensure security practices and procedures are understood, implemented, and enforced. All team members deliver ORNL's mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service.
This evergreen posting represents multiple openings for roles across ORNL's high-performance computing classified ecosystem.
Major Duties and Responsibilities:
  • Provide technical leadership in the design, integration, and administration of large-scale Linux-based HPC clusters, high-speed networks, and storage systems.
  • Lead medium to large technical projects, coordinating requirements, schedules, and deliverables across internal and external stakeholders.
  • Architect and deploy advanced infrastructure solutions supporting exascale-class and mission-critical computing environments.
  • Serve as a technical mentor for HPC engineers, guiding best practices in automation, performance tuning, and system security.
  • Develop, implement, and maintain configuration management and automation frameworks (e.g., Ansible, Puppet, Salt) to enhance reliability and reproducibility.
  • Perform advanced system performance analysis, troubleshooting, and optimization, ensuring system scalability and long-term sustainability.
  • Manage critical vendor and partner relationships, representing ORNL's technical requirements during procurement, integration, and system acceptance.
  • Contribute to strategic planning and technology roadmaps, influencing unit goals and technical direction.
  • Collaborate closely with scientists, researchers, and IT specialists to align infrastructure capabilities with research and security objectives.
  • Ensure compliance with DOE cybersecurity standards, configuration baselines, and operational policies.
  • Author technical documentation, present internal briefings, and communicate complex issues and resolutions to management and stakeholders.
  • Participate in on-call rotations, maintenance windows, and incident response as needed to support 24x7 operations.

Basic Qualifications:
  • BS degree in computer science, engineering, or a related technical field.
  • A minimum of 8 years of relevant experience in Linux systems administration or HPC systems engineering.

Preferred Qualifications:
  • Demonstrated experience leading the design and deployment of HPC or large-scale distributed computing systems.
  • Expertise with batch schedulers (SLURM, PBS, LSF) and parallel file systems (Lustre, GPFS/Spectrum Scale).
  • Proven ability to lead technical projects from concept through implementation, balancing technical depth with project delivery.
  • Strong proficiency in automation and infrastructure-as-code frameworks (Ansible, Puppet, Salt).
  • Advanced scripting or programming skills (Python, Bash, Go) for automation and operational tooling.
  • In-depth understanding of high-speed interconnects (InfiniBand, Slingshot, Ethernet) and storage architectures.
  • Experience managing identity and access management systems, including MFA, SSO, and zero-trust frameworks (PingFederate, RSA SecureID, Entra ID).
  • Experience integrating virtualization or containerization solutions (VMware, KVM, Apptainer, Podman) into HPC environments.
  • Ability to manage client and stakeholder relationships across multiple directorates and technical disciplines.
  • Excellent written and verbal communication skills, including the ability to present complex technical concepts to diverse audiences.
  • Proven ability to influence technical strategy and mentor staff in a collaborative research environment.

Special Requirements:
  • SCI Clearance: This position requires the ability to obtain and maintain a Secret Compartmented Information (SCI) clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program. In addition, due to the SCI, you may also be subject to random polygraph testing

About ORNL:
As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation's most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.
Why Join Us:
  • Collaborate with diverse teams of scientists, engineers, and technologists from across the DOE complex and academia.
  • Grow your career in a mission-driven, innovation-focused environment with access to professional development and leadership opportunities.
  • Enjoy life in East Tennessee, with a thriving research community, scenic outdoor recreation, and a high quality of life.

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.
We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.
If you have trouble applying for a position, please email ORNLRecruiting@ornl.gov.
ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify employer.

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