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Senior Linux System Administrator Jobs in Arizona

Collabera

System Administrator

Phoenix, AZ

Qualifications Linux, system administration Additional Information To know more about this position or to schedule an interview feel free to contact: Shivani Shah 973-867-7919 shivani.shah(at ...

Inficare Technologies

Linux Admin

Phoenix, AZ · On-site

Mid to Senior level Job Overview Our client is seeking an experienced Linux Admin with a strong ... Support elastic logging frameworks and message queue systems such as Kafka * Apply Infrastructure ...

InfiCare

Linux Admin

Phoenix, AZ · On-site

Mid to Senior level Job Overview Our client is seeking an experienced Linux Admin with a strong ... Support elastic logging frameworks and message queue systems such as Kafka * Apply Infrastructure ...

Axway

Senior Cloud System Administrator

Scottsdale, AZ · On-site

$90 - $120/hr

Join our global infrastructure team as our new Senior Cloud System Administrator . In this role, you will take ownership of critical components of our cloud and virtualization environments ...

Bay Side

Sr System Administrator

Tempe, AZ

$82K - $111K/yr

... years RedHat Enterprise Linux 3/4/5 * 5+ years Windows Server 2003/2008 * 2+ Years SAN ... Monitoring Systems Cisco (IOS/CatOS/PixOS)

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

Experience with Windows and/or Linux. * Experience in one of the following: Active Directory ... Operating System Certification). * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows and/or Linux. * Experience in one of the following: Active Directory ... Operating System Certification). * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

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Senior Linux System Administrator information

See Arizona salary details

$20.5K

$118.6K

$166.3K

How much do senior linux system administrator jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior linux system administrator in Arizona is $118,562.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,700.00 and $139,800.00 per year, depending on experience, location, and employer.

What is a senior Linux system administrator?

A Senior Linux System Administrator is responsible for managing, configuring, and maintaining Linux-based systems and servers. They handle system performance tuning, security hardening, troubleshooting, and automation through scripting and configuration management tools. Additionally, they oversee backups, software updates, and infrastructure reliability. This role often involves mentoring junior administrators and collaborating with development and IT teams to support business operations.

What are the typical daily responsibilities of a senior Linux system administrator?

Senior Linux System Administrators are responsible for managing, maintaining, and optimizing Linux-based servers and infrastructure. Their daily tasks often include monitoring system performance, managing user permissions, applying security patches, automating processes through scripting, and troubleshooting technical issues. They regularly collaborate with developer, security, and operations teams to support new deployments and ensure system reliability. Additionally, they may mentor junior administrators and contribute to designing infrastructure improvements, making this a dynamic and influential role within IT operations.

What are the key skills and qualifications needed to thrive as a senior Linux system administrator?

To thrive as a Senior Linux System Administrator, you need deep expertise in Linux/UNIX system administration, scripting, networking, and troubleshooting, typically backed by several years of industry experience and a relevant degree or certifications like RHCE or CompTIA Linux+. Proficiency with tools such as Ansible, Puppet, Docker, and monitoring platforms, as well as experience with cloud environments, is highly valued. Strong problem-solving abilities, communication skills, and the capacity to mentor junior team members are crucial soft skills. These abilities are essential for ensuring reliable system uptime, seamless team collaboration, and effective response to complex IT challenges.

What are the most commonly searched types of Linux System Administrator jobs in Arizona?

The most popular types of Linux System Administrator jobs in Arizona are:

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For Senior Linux System Administrator jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Administrator jobs in Arizona look for?

The top searched job categories for Senior Linux System Administrator jobs in Arizona are:

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Senior Linux System Administrator jobs near you
Infographic showing various Senior Linux System Administrator job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $118,562 per year, or $57 per hour.

Senior System Administrator (4th Shift)

3M HEALTHCARE

Tucson, AZ • On-site

$68.90 - $131.10/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 13 days ago

Key responsibilities

  • Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.

  • Diagnose and resolve technical problems of moderate to high complexity, integrating hardware and operating systems.

  • Ensure 24/7 system availability and support software installation, configuration, and security requirements.

Job description

Position Overview

Senior System Administrator – Tucson, AZ. Must have an active Secret clearance. Part of Raytheon Technologies Digital Technology (DT) organization, supporting classified security systems and critical defense missions. The role includes weekend shifts (Friday, Saturday, Sunday) with 12‑hour rotations and shift differentials.

Responsibilities
  • Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
  • Maintain Windows Server and Linux fundamentals, including DNS, DHCP, Active Directory, and server replication.
  • Diagnose and resolve technical problems of moderate to high complexity, integrating hardware and operating systems.
  • Understand and implement RAID, backup, and recovery strategies.
  • Install and configure software applications for end users.
  • Collaborate with cybersecurity professionals to uphold security requirements.
  • Document and train on advanced IT processes and procedures.
  • Ensure 24/7 system availability; work beyond standard hours when needed.
  • Travel domestically (up to 10% annual) to support business needs.
  • Operate in a dynamic manufacturing environment requiring high quality execution.
Schedule

9‑shift weekend schedule (Friday, Saturday, Sunday) with 12‑hour shifts. Shift differential of 8% for morning shift (6:00am–6:30pm) and an additional 4 hours straight time within the week.

Qualifications – Must Have
  • University degree or equivalent experience; minimum of 2 years of relevant experience.
  • Experience with Linux or Windows operating systems.
  • Hands‑on experience with Active Directory, VMware, backup and recovery.
Preferred Qualifications
  • DoDD‑8140 /8570 certifications (e.g., CompTIA Security+ CE, Operating System Certification).
  • Knowledge of NISPOM, JAFAN, JSIG, DFARS, and/or DoD/RMF.
  • Experience with data storage, NAS, and SAN technologies.
  • Familiarity with IT project lifecycle management processes.
  • Proficiency with VMware vCenter, vSphere, ESX, and other virtual computing methods.
  • Support for engineers developing software, simulations, and hardware.
  • Experience with Microsoft WSUS, MECM, and/or Exchange.
  • Scripting experience.
Benefits
  • Medical, dental, and vision coverage.
  • Life insurance, short‑term and long‑term disability.
  • 401(k) match and flexible spending accounts.
  • Paid time off, parental leave, and holidays.
  • Relocation assistance for eligible candidates.
  • Employee assistance program and scholarship opportunities.
  • Annual incentive compensation (subject to performance and company policies).
Compensation

Salary range: $68,900 – $131,100 USD, based on experience, function, and responsibilities.

Employment Information

Full‑time, 100% onsite. U.S. citizenship required for security clearance. This is a U.S.‑based role.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or other protected class. RTX provides affirmative action for qualified individuals with a disability and protected veterans in compliance with Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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