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Senior Linux System Administrator Jobs in Arizona

GDIT

$88K - $117K/yr

As a Senior Linux System Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Senior Linux System Engineer joining our team to review, analyze and provide Tier ...

GDIT

$88K - $117K/yr

As a Senior Linux System Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Senior Linux System Engineer joining our team to review, analyze and provide Tier ...

Rincon Research Corp

Linux Systems Administrator

Tucson, AZ · On-site

$95K - $115K/yr

Collaborate with senior administrators to support infrastructure projects and migrations--including ... Perform routine system health checks and assist in monitoring system performance, security, and ...

Kyndryl

Mainframe z/VM & Linux

Phoenix, AZ

Administer z/VM components such as: * DirMaint * VMSES/E * RACF for z/VM security * Apply system ... Install, configure, and maintain Linux distributions on IBM Z: * RHEL, SUSE, Ubuntu * Support ...

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$79K - $108K/yr

The Senior System Administrator will provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment, utilizing troubleshooting techniques to resolve ...

Kyndryl

Mainframe z/VM & Linux

Phoenix, AZ · On-site

Administer z/VM components such as: * DirMaint * VMSES/E * RACF for z/VM security * Apply system ... Linux on Z Administration: * Install, configure, and maintain Linux distributions on IBM Z: * RHEL ...

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$79K - $108K/yr

... Senior System Administrator to provide IT systems administration in a heterogeneous Microsoft ... Red Hat Enterprise Linux environment. The role involves troubleshooting technical problems ...

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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 Jul 27, 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 are the key skills and qualifications needed to thrive in the Senior Linux System Administrator position, and why are they important?

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 is a Senior Linux System Administrator job?

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 typical daily responsibilities for 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 most commonly searched types of Linux System Administrator jobs in Arizona? The most popular types of Linux System Administrator jobs in Arizona are:
What are popular job titles related to Senior Linux System Administrator jobs in Arizona? 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:
What cities in Arizona are hiring for Senior Linux System Administrator jobs? Cities in Arizona with the most Senior Linux System Administrator job openings:
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Senior Linux System Administrator jobs near you
Infographic showing various Senior Linux System Administrator job openings in Arizona as of July 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $118,562 per year, or $57 per hour.
Senior Linux System Engineer

Senior Linux System Engineer

GDIT

$88K - $117K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago

General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

88th of 230 rated it services

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Documentations, Linux, Systems Design, Systems Engineering

Certifications:

Certified Information Systems Security Professional (CISSP) | International Information System Security Certification Consortium (ISC2) - International Information System Security Certification Consortium (ISC2)

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Deliver simple solutions to complex problems as a Senior Linux System Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development, you'll make the end user's experience your priority and we'll make your career growth ours.
At GDIT, people are our differentiator. As a Senior Linux System Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Senior Linux System Engineer joining our team to review, analyze and provide Tier III support for patches and updates, to include testing the baseline in the Engineering Operations Facility (EOF) prior to release to the RCCs.

Selected candidate will provide full-time onsite support at our Fort Huachuca facility.

MEANINGFUL WORK AND PERSONAL IMPACT:

  • Designs and defines system architecture for new or existing computer systems.
  • You will also develop Enterprise Technical Procedures (ETPs) with the directions to apply patches, upgrades and security configurations and/or updates to the baseline system in the EOF for testing IAW with the STIGs.
  • Ensure that already-provisioned Linux systems are kept in compliance with baseline requirements & ever-changing enterprise policy (e.g., equivalent to Group Policy in the Windows realm for ongoing compliance updates).
  • Monitor all solutions integrated via a centralized alerting system.
  • Develop an operating system lifecycle plan with integration of DoW STIGs and other recommended security standards.

WHAT YOU'LL NEED TO SUCCEED (Required):

Education & Experience: Bachelor's Degree and a minimum of 5 years' experience required. An additional 4 years of experience may be substituted in lieu of degree.

Clearance: Active Secret security clearance required.

Certification: Current DoW IAT level III.

Technical Skills:

  • VMWare management/administration experience.
  • Thorough experience with Red Hat Enterprise Linux (RHEL), Ubuntu or a derivative.
  • Knowledge of Windows and Linux Security Technical Implementation Guide (STIG) and current DISA's hardening protocol.
  • Experienced in systems analysis, design, integration, documentation, and engineering.

GDIT IS YOUR PLACE:
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

  • Growth: AI-powered career tool that identifies career steps and learning opportunities.
  • Support: An internal mobility team focused on helping you achieve your career goals.
  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off.
  • Flexibility: Full-flex work week to own your priorities at work and at home.
  • Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY:

  • Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
The likely salary range for this position is $88,130 - $117,875. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA AZ Fort Huachuca

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

Sourced by ZipRecruiter

GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

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