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Senior Linux Admin Jobs (NOW HIRING)

SquareDomain

Senior Linux Administrator

Austin, TX · On-site

This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure. Working alongside fellow team members and others ...

Relativity Space

Sr Linux Administrator

Long Beach, CA

$103K - $155K/yr

... senior systems engineers (Linux, Windows, Infrastructure) to operationalize designs and ensure seamless handoff between system architecture and system administration * Mentor junior administrators ...

Relativity Space

Sr Linux Administrator

Long Beach, CA · On-site

$103K - $155K/yr

... senior systems engineers (Linux, Windows, Infrastructure) to operationalize designs and ensure seamless handoff between system architecture and system administration * Mentor junior administrators ...

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 ...

Amentum

Senior Linux Administrator

Hanover, MD · On-site

Configures and manages LINUX operating system and installs Minimum Requirements (Knowledge, Skills, and Abilities): * 9 years or more experience as a Linux Administrator * 9 years of experience of ...

Amentum

Senior Linux Administrator

Hanover, MD · On-site

Configures and manages LINUX operating system and installs Minimum Requirements (Knowledge, Skills, and Abilities): * 9 years or more experience as a Linux Administrator * 9 years of experience of ...

Pae

Senior Linux Administrator

Hanover, MD · On-site

$180K - $235K/yr

Configures and manages LINUX operating system and installs Minimum Requirements (Knowledge, Skills, and Abilities): * 9 years or more experience as a Linux Administrator * 9 years of experience of ...

Leidos

Senior Linux Systems Admin (UiPath)

Alexandria, VA · On-site

$116K - $210K/yr

... dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence ...

New

Pae

Senior Linux Administrator

Hanover, MD · On-site

Configures and manages LINUX operating system and installs Minimum Requirements (Knowledge, Skills, and Abilities): * 9 years or more experience as a Linux Administrator * 9 years of experience of ...

Leidos

Senior Linux System Administrator

Alexandria, VA · On-site

$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 ...

SAIC

Senior Linux Systems Administrator

Princeton, NJ · On-site

SAIC is recruiting for a Senior Linux Systems Administrator to support their NOAA GFDL program in Princeton, NJ. This role involves managing junior administrators, handling complex customer inquiries ...

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How much do senior linux admin jobs pay per hour?

As of Jul 23, 2026, the average hourly pay for senior linux admin 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 cities are hiring for Senior Linux Admin jobs? Cities with the most Senior Linux Admin job openings:
What are the most commonly searched types of Linux Admin jobs? The most popular types of Linux Admin jobs are:
What states have the most Senior Linux Admin jobs? States with the most job openings for Senior Linux Admin jobs include:
Infographic showing various Senior Linux Admin job openings in the United States as of July 2026, with employment types broken down into 25% Full Time, and 75% Contract. Highlights an 100% In-person job distribution, with an average salary of $110,947 per year, or $53.3 per hour.

Senior Linux Administrator

SquareDomain

Austin, TX • On-site

Full-time

Medical, Dental, Life, Retirement, PTO

Posted yesterday

Job description

Company Description

Our client is one of the world's leading semiconductor suppliers at the heart of the development of digital electronic products. Their product ecosystem includes many of the biggest names in consumer electronics and semiconductor manufacturing. We are hiring for their Infrastructure Platforms team, who work closely with their internal customers and key stakeholders, to prioritize, plan, and execute a number of strategic projects as well as providing operations support for the global infrastructure.


This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure.  Working alongside fellow team members and others within the IT technical teams to deliver against key responsibilities and ensure the continued availability and development of the UNIX topology.  

Job Description

Responsibilities:
The successful candidate will need to develop a good understanding of the client's IT infrastructure to:

  • Provide day-to-day support of client's UNIX environment.
  • Work with the engineering divisions to streamline and enhance the service offering.
  • Ensure that appropriate system monitoring is implemented and supported globally.
  • Gather global utilization metrics and report on current capacity and trends.
  • Contribute to the IT business continuity process and ensure that regular recovery tests are performed.
  • Provide communications to user base for both reactive and proactive system outages.
  • Support the adoption and rollout of key ITIL best practices.

Job Requirements/ Experience:

  • Relevant technical accreditation or successful completion of vendor certified training (Sun/Oracle, HP, and VMware).
  • ITIL certification to at least foundation level.
  • Strong skills in all aspects of RedHat, Ubuntu, Centos and Solaris including configuration, patching and in depth troubleshooting.
  • Previous experience supporting and managing server hardware from one or more of the following vendors; HP, IBM, Dell.
  • Good skills in Shell, bash or PERL.
  • Experience and knowledge of Puppet or CFEngine.
  • Experience and knowledge of Sendmail.
  • Good knowledge of the following Application Servers - DNS, DHCP, GDM.
  • VMware knowledge/hands-on experience including, server consolidation, command line usage, and backup and restore technologies.
  • Must have familiarity with windows server operating systems.
  • Experience of technology roadmap development.
  • Excellent customer service attitude, written and verbal communication skills and ability to interact effectively with people at all levels.
  • Ability to lead discussions on complex technical issues.
Qualifications

Desirable Skills & Experience

  • Good knowledge of MySQL Server 5-5.x administration, Monitoring, High Availability and Clustering.
  • Administration and best practice and architectural knowledge of Iplanet Directory server 5 and Oracle directory server 11G.
  • Good working knowledge of TFTP and PXE along with kick-start. Jumpstart knowledge is a nice to have.
  • Appliance based Load balancing management experience.
  • Previous experience supporting compute / HPC environment.
  • Working knowledge of IBM Platform LSF.
  • Experience in supporting / troubleshooting NFS issues.
  • Previous exposure to the Jira project-tracking tool.
Additional Information

Compensation & Benefits:
VERY competitive compensation and benefits for the position, including:

  • Salary - Commensurate with experience.
  • Contributory 401K and Company Equity.
  • Medical, Dental Insurance and Life Insurance
  • 4 weeks paid vacation and 4 weeks paid sabbatical every 4 years.

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