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Sr Linux Administrator Jobs (NOW HIRING)

Leidos

Senior Linux Administrator (TS/SCI)

Hampton, VA · On-site

$92K - $166K/yr

Leidos is looking for a TS/SCI cleared Senior Linux Engineer to design and implement Infrastructure ... Administer and maintain Satellite/Capsule management systems. * Routinely apply security and ...

Leidos

Senior Linux Administrator (TS/SCI)

Hampton, VA · On-site

$92K - $166K/yr

Leidos is looking for a TS/SCI cleared Senior Linux Engineer to design and implement Infrastructure as Code for various deployments and to manage servers, and related services. The Engineer will be ...

Apex Systems

Sr Linux Admin

Littleton, CO · On-site

Job#: 3040738 Senior Systems Administrator (Linux) Denver, CO As a Sr. Linux Information Systems Administrator your responsibilities will include: Technical Support: Provide expert assistance to ...

Boot Barn

Linux Administrator

Irvine, CA · On-site

LINUX ADMINISTRATOR REPORTS TO: SR. SYSTEMS ADMINISTRATOR STATUS: EXEMPT Summary Boot Barn is where community comes first. We thrive on togetherness, collaboration, and belonging. We build each other ...

Boot Barn

Linux Administrator

Irvine, CA

LINUX ADMINISTRATOR REPORTS TO: SR. SYSTEMS ADMINISTRATOR STATUS: EXEMPT Summary Boot Barn is where community comes first. We thrive on togetherness, collaboration, and belonging. We build each other ...

Leidos

Senior Linux System Administrator

Alexandria, VA

$107K - $195K/yr

The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are ...

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Sr Linux Administrator information

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How much do sr linux administrator jobs pay per hour?

As of Jul 18, 2026, the average hourly pay for sr linux administrator in the United States is $53.34, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $57.69 per hour, depending on experience, location, and employer.

What is the difference between Sr Linux Administrator vs Linux Engineer?

AspectSr Linux AdministratorLinux Engineer
CertificationsLinux+, RHCE, LPIC-2Linux+, RHCE, LPIC-2
Work EnvironmentData centers, enterprise servers, IT teamsDevelopment environments, cloud platforms, automation projects
Primary FocusSystem maintenance, troubleshooting, securityDesign, development, automation, scripting
Industry UsageIT operations, enterprise infrastructureDevOps, cloud computing, software development

Both roles require similar certifications and often work in enterprise environments. However, Sr Linux Administrators focus more on maintaining and securing existing systems, while Linux Engineers are involved in designing and building new Linux-based solutions, often with a stronger emphasis on automation and development.

What are some common challenges Sr Linux Administrators face when managing large-scale server environments?

Sr Linux Administrators often encounter challenges such as ensuring system reliability and uptime across numerous servers, managing configuration consistency, and effectively monitoring performance. They must also address security vulnerabilities promptly and automate repetitive tasks to improve efficiency. Collaborating with development, security, and network teams is essential to quickly resolve issues and implement new solutions, making strong communication skills and adaptability important for success in this role.

What are Sr Linux Administrators?

Sr Linux Administrators are experienced IT professionals responsible for managing, configuring, and maintaining Linux-based servers and systems. They ensure the stability, security, and performance of the infrastructure by performing tasks such as system updates, troubleshooting, automation scripting, and monitoring. Senior administrators also design and implement solutions for scalability and disaster recovery, mentor junior staff, and often collaborate with other teams to support organizational IT needs.

What are the key skills and qualifications needed to thrive as a Sr Linux Administrator, and why are they important?

To thrive as a Sr Linux Administrator, you need deep expertise in Linux system administration, shell scripting, networking, and server security, often backed by a bachelor’s degree and several years of hands-on experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE are commonly required. Problem-solving, attention to detail, and effective communication are vital soft skills for excelling in this role. These skills and qualities are crucial to ensure reliable system performance, efficient troubleshooting, and secure enterprise environments.
What cities are hiring for Sr Linux Administrator jobs? Cities with the most Sr Linux Administrator job openings:
What states have the most Sr Linux Administrator jobs? States with the most job openings for Sr Linux Administrator jobs include:
Sr Linux Administrator jobs near you
Infographic showing various Sr Linux Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $110,947 per year, or $53.3 per hour.
Senior Linux Administrator (TS/SCI)

Senior Linux Administrator (TS/SCI)

Leidos

Newport News, VA

$92K - $166K/yr

Full-time

Re-posted 6 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 149 frontline employees who took The Breakroom Quiz

56th of 451 rated business services

Job description

ComWhile others look for solutions, we change the equation. Come #OutsmartOutdo at Leidos!

Leidos is looking for a TS/SCI cleared Senior Linux Engineer to design and implement Infrastructure as Code for various deployments and to manage servers, and related services. The Engineer willbe responsible forimplementing, managing,installingand upgrading our Red Hat Linux environments.The job duties will be performed on site at Langley Air Force base, VA.

Responsibilities include:

  • Responsible for the administration, and deployment of server hardware, Red Hat Enterprise Linux 9 Operating Systems, and critical applications.Design, develop, andmaintainAnsible playbooks and roles for infrastructure automation.

  • Implement and manage configuration management using Ansible across our RHEL systems.

  • Automating deployments using Ansible Automation Platform (AAP), Terraform, and Packer.

  • Troubleshoot and resolve complex issues in Ansible deployments and RHEL environments.

  • Optimize existing Ansible code and RHEL configurations for improved performance and efficiency.

  • Collaborate with other teams to integrate Ansible automation into CI/CD pipelines.

  • Manage and Maintain RHEL systems, including patch management, upgrades, and security hardening.

  • Provide technical leadership and mentorship to junior team members.

  • Stay current with industry trends, best practices, and developments in Ansible, RHEL, and related technologies.

  • Research emerging tools and technologies that help improve automation,securityand performance.

  • Ensure compliance with current security policies and remediations.

  • Proactivelymonitorand measure systems performance to detect trends and catch problems before users areimpacted.

  • Work closely with other support teams to ensure incident events are handledin a timely manner.

  • Administer andmaintainSatellite/Capsule management systems.

  • Routinely apply security and application patches to systems and container images, ensuring that vulnerabilities are mitigated, and softwareoperateseffectively.

  • Handle incoming technical escalations from Service Desk, Network Security Operations Center, Tier II, and other support teams.

  • Document and map architecture of the current RHEL environment and support the development of an Infrastructure Automation roadmap.

  • Assistwith retrospective related activities and support various efforts related to operational improvements.

  • Contribute to documentation in the Knowledge Base, Standard Operating Procedures (SOP), work instructions, and job aids.

  • Continuously cross-train to also support other technical tasks and responsibilities.

Basic Qualifications:

  • Bachelor's degree in related discipline + 8-12 years experience. Additional years of relevant experience will be considered in lieu of degree.

  • Must have a active and current DoD TS/SCI Clearance.

  • DoD 8570/8140-compliant certification at IAT Level II - CompTIA Security+ CE required.

  • 10+ years of Linux Administration.

  • Experience with containerization products such asPodman, Docker, Kubernetes, RedHat OpenShift, or Rancher.

  • Experience with configuration management systems like Puppet, Ansible, or Salt.

  • Hands-on experience with virtualization technologies.

  • Shell scripting experience with at least one scripting language: Bourne shell, sed, awk, Perl, or python.

  • Understanding of LDAP and SSO technologies.

  • Strong focus on automation.

  • Familiar with writing Infrastructure as Code (IaC).

  • Strong commitment to customer service and customer satisfaction.

  • Ability to think strategically and proactively (rather than reactionary).

  • Ability to work in a fast passed, highly dynamic environment and "learn on the job".

Preferred Qualifications

  • Deepunderstanding of QEMU/KVM and RHEL networking.

  • Expert in the Administration of Red Hat Satellite.

  • Expert in the Administration and use of Ansible Automation Platform / Ansible Tower.

  • Linux+ certification

#DINM

DABAOPP1

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:June 30, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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