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Linux System Administrator Jobs in Tucson, AZ (NOW HIRING)

Arete Associates

Linux Systems Administrator

Tucson, AZ · On-site

$85K - $125K/yr

We are seeking a mid-level Linux System Administrator to support multiple Department of Defense (DoD) programs focused on the design, installation, and configuration of cyber-compliant prototype and ...

RTX

Principal Linux Systems Administrator

Tucson, AZ · On-site

The Principal System Administrators collaborate across the business to support exciting, critical ... Experience with Linux fundamentals, including system, SELinux, networking, DNS, DHCP, and ...

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$79.90K - $108.20K/yr

They are seeking a Senior System Administrator to provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment, while maintaining security clearance ...

Raytheon

Senior System Administrator (Onsite)

Tucson, AZ · On-site

$82.90K - $112.40K/yr

Senior System Administrator Raytheon, the world's largest aerospace and defense company, is looking ... Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ...

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$79.90K - $108.20K/yr

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

Raytheon

Senior System Administrator

Tucson, AZ · On-site

$82.90K - $112.40K/yr

Senior System Administrator Raytheon has an opportunity for a Senior System Administrator based in ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ...

RTX

Senior System Administrator

Tucson, AZ · On-site

$79.90K - $108.20K/yr

They are seeking a Senior System Administrator to provide Windows operational support in a high ... Hat Enterprise Linux environment. • Experience with Windows Server internals or Linux ...

Raytheon

Senior System Administrator (Onsite)

Tucson, AZ · On-site

$79.90K - $108.20K/yr

The Senior System Administrator will provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment, ensuring secure and cost-efficient environments ...

Raytheon

Senior System Administrator (3rd shift)

Tucson, AZ · On-site

$82.90K - $112.40K/yr

Senior System Administrator This position requires 100% on-site support for 3rd shift, working ... Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ...

Raytheon

Senior System Administrator

Tucson, AZ

$81.30K - $110.10K/yr

Raytheon has an opportunity for a Senior System Administrator based in Tucson, AZ for Windows ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81.30K - $110.10K/yr

Raytheon has an opportunity for a Senior System Administrator based in Tucson, AZ for Windows ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ...

RTX

Senior System Administrator

Tucson, AZ · On-site

$82.90K - $112.40K/yr

Raytheon has an opportunity for a Senior System Administrator based in Tucson, AZ for Windows ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ...

Raytheon

Senior System Administrator

Tucson, AZ

$81.30K - $110.10K/yr

Raytheon has an opportunity for a Senior System Administrator based in Tucson, AZ for Windows ... Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ...

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How much do linux system administrator jobs pay per hour?

As of May 27, 2026, the average hourly pay for linux system administrator in Tucson, AZ is $49.13, according to ZipRecruiter salary data. Most workers in this role earn between $38.85 and $59.09 per hour, depending on experience, location, and employer.

What Is a Linux System Administrator?

A Linux system administrator— or sysadmin—is an information technology professional who oversees the lifespan of Linux software installed on a server, computer, or other pieces of hardware, including network devices. As a Linux sysadmin, your responsibilities include software installation, day-to-day maintenance of applications, and an overall understanding of Linux operating systems. As part of the daily maintenance team, your job is to monitor system health and ensure that security patches are up-to-date, so that network systems perform well for business users.

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

To thrive as a Linux System Administrator, you need a strong understanding of Linux operating systems, system troubleshooting, and networking, often supported by a degree in computer science or related certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with command-line interfaces, shell scripting, system monitoring tools, and configuration management systems like Ansible or Puppet is essential. Problem-solving abilities, attention to detail, and effective communication are standout soft skills in this role. These skills and qualities ensure reliable system performance, quick resolution of technical issues, and smooth collaboration within IT teams.

What are some common challenges faced by Linux System Administrators when managing large-scale server environments?

Linux System Administrators often encounter challenges such as maintaining consistent configurations across numerous servers, ensuring security compliance, and minimizing downtime during updates or maintenance. Managing automation tools, such as Ansible or Puppet, and monitoring system performance are also critical aspects. Effective communication and collaboration with development and network teams are essential to quickly resolve issues and implement new technologies smoothly.

What are Linux System Administrators?

Linux System Administrators are IT professionals responsible for installing, configuring, maintaining, and troubleshooting Linux-based operating systems and servers. They ensure the stability, security, and performance of Linux systems, manage user accounts, implement backups, and handle software updates. Their role often includes monitoring system health, automating routine tasks using scripts, and providing technical support to users. Linux System Administrators play a critical role in managing the underlying infrastructure that supports applications and services in many organizations.

What is the difference between Linux System Administrator vs Network Administrator?

AspectLinux System AdministratorNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches
ResponsibilitiesManaging Linux servers, scripting, securityConfiguring networks, troubleshooting connectivity
Industry UsageIT, hosting, cloud servicesTelecommunications, enterprise networks

While both roles involve IT infrastructure, a Linux System Administrator focuses on managing Linux servers and related software, whereas a Network Administrator specializes in maintaining and troubleshooting network hardware and connectivity. Both roles require specific certifications and are vital in ensuring smooth IT operations within organizations.

More about Linux System Administrator jobs
What are the most commonly searched types of Linux System Administrator jobs in Tucson, AZ? The most popular types of Linux System Administrator jobs in Tucson, AZ are:
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What cities near Tucson, AZ are hiring for Linux System Administrator jobs? Cities near Tucson, AZ with the most Linux System Administrator job openings:
Linux System Administrator jobs near you
Linux Systems Administrator

Linux Systems Administrator

Rincon Research Corp

Tucson, AZ • On-site

$95K - $115K/yr

Full-time

Medical, Dental, Life, Retirement

Posted 19 days ago

Job description

Why Join Rincon Research Corporation (RRC)?

At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security.

Rincon Research Corporation (RRC), an employee owned company, is seeking a talented, tenacious, results-driven individual to work in a multi-disciplinary R&D environment with similarly motivated electrical engineers, mathematicians, computer scientists, and analysts who are collectively responsible for creating custom digital signal processing solutions and leveraging them to make an operational mission impact.

We are seeking a Linux-focused Systems Administrator who will assist in developing and supporting enterprise solutions as part of a collaborative team. In this role, you will contribute to Rincon’s evolving development infrastructure while gaining hands-on experience in systems administration.

Come join the team that is creating cutting edge signal processing and geolocation systems for the future!

What are the primary responsibilities in the Linux Systems Administrator position?

As a Linux Systems Administrator at Rincon, you will be responsible for assisting in building, maintaining, and creating solutions that support the modernization and improvement of services and infrastructure. As a member of a team, you will work to develop techniques, create solutions, and build services that directly support company-wide efforts and continuity. Tasks will include, but are not limited to:

  • Assist with deploying and managing Linux systems and services across multiple sites, leveraging automation and configuration management tools under team lead guidance.
  • Collaborate with senior administrators to support infrastructure projects and migrations—including upgrades, capacity improvements, and technology refreshes—with minimal disruption.
  • Participate in operational cycles, including patching, monitoring, maintenance, and performance optimization, ensuring required metrics for availability, security, and compliance are consistently met.
  • Contribute to documentation efforts, such as user guides, knowledge bases, and system maintenance records.
  • Follow established technical designs, processes, and procedures to maintain system standards.
  • Perform routine system health checks and assist in monitoring system performance, security, and availability, as well as supporting recovery events and backup/disaster recovery operations.
  • Learn and contribute to automation and scripting tasks, helping reduce manual effort by working with tools such as Ansible, Puppet, Terraform, and IaC frameworks.
  • Maintain lab environments in a clean, organized, and compliant state, ensuring they meet the set standard.

What required background will make you successful?

  • Active TS/SCI Security Clearance (US Citizenship Required)
  • A Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or other related discipline. May be substituted for 5+ years of experience
  • Requires security certification in compliance with DOD 8570 within 90 days of hire
  • Requires professional certification in one or more areas within 6 months of hire
    • Examples include RHCSA, RHCE, CKA, CCNA

Preferred skills:

  • Knowledge of Linux systems and service administration (RHEL, Rocky, CentOS) with hands-on experience in remediation and patching.
  • Basic familiarity with configuration management and automation tools such as Ansible, Puppet, or Terraform, with an interest in learning Infrastructure as Code and Git practices.Understanding and some experience with enterprise storage platforms and supporting technologies such as SAN, NFS, iSCSI, block, and object storage.
  • Experience with virtualization platforms such as KVM and container platforms such as Docker.
  • Understanding of basic networking concepts and services (TCP/IP, DNS, DHCP, VLANs, Subnets) and ability to assist in troubleshooting connectivity issues.
  • Working knowledge of security compliance frameworks and how to apply them – including STIGs, DISA Benchmarks, CMMC, or CUI.
  • Some experience or a strong interest in learning scripting or programming, such as Bash or Python, to support automation, system tooling, and troubleshooting tasks.
  • Strong troubleshooting and problem-solving mindset, with a willingness to learn from senior administrators.

Where is the position located?

This position is located at our Tucson, AZ Headquarters.

*The likely salary range for this position is $95,000 to $115,000. 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.

What benefits does RRC offer?

  • 100% employer-paid premiums for family medical and dental insurance, employee life insurance, short-term and long-term disability (STD & LTD)
  • Flexible reimbursement spending accounts for medical expense and dependent care
  • Immediate participation and vesting in the company’s Employee Stock Ownership Plan (ESOP) and 401(k) Plan
  • Employer contributions to RRC’s ESOP
  • Employer matching contributions to the company’s 401( k) Plan
  • Employer discretionary contributions to the company’s 401(k) Plan

Rincon Research Corporation is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor.