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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 ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... Systems are operational 24x7 and occasionally require work effort beyond standard work hours ​ ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... systems (OS). * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 ...

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server ... Systems are operational 24x7 and occasionally require work effort beyond standard work hours ​ ...

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.

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows and/or Linux. * Experience with Active Directory, VMware, Administration ... 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.

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Experience with Windows and/or Linux. * Experience with Active Directory, VMware, Administration ... 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 with Active Directory, VMware, Administration ... Operating System Certification). * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

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All JobsLinux System Administrator JobsSenior Linux System Administrator JobsSenior Linux System Administrator Jobs in Arizona

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 Aug 7, 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 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 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 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 August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $118,562 per year, or $57 per hour.

Mainframe z/VM & Linux Engineer

TiltEdge Solutions LLC

Phoenix, AZ • On-site

$60/hr

Contractor

Re-posted 7 days ago

Job description

Position: Mainframe z/VM & Linux Engineer
Work Location: Pheonix AZ
Duration: Long Term Contract
The Role:
We are seeking an experienced Mainframe z/VM & Linux Engineer to support IBM Z virtualization environments and Linux on Z platforms. This role is responsible for provisioning, maintaining, and optimizing virtual machines and Linux systems running on z/VM, ensuring high availability, performance, and secure operations in enterprise environments.
* This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week. We will consider candidates who are willing to relocate to the area.
 
Responsibilities:
z/VM Administration:
  • Install, configure, and maintain IBM z/VM systems
  • Manage lifecycle of virtual machines (guests):
    • Provisioning
    • Scaling
    • Decommissioning
  • Administer z/VM components such as:
    • DirMaint
    • VMSES/E
    • RACF for z/VM security
  • Apply system maintenance:
    • RSUs, PTFs, APARs, and service updates
  • Perform system IPLs and hardware configuration updates via HMC
Linux on Z Administration:
  • Install, configure, and maintain Linux distributions on IBM Z:
    • RHEL, SUSE, Ubuntu
  • Support deployment and management of Linux workloads on z/VM
  • Ensure system stability, performance, and security compliance
  • Perform patching, upgrades, and vulnerability remediation
  • Manage file systems, storage, and network configurations
Operations & Support:
  • Monitor system performance and availability:
    • CPU, memory, I/O utilization
    • Workload performance and capacity
  • Troubleshoot and resolve system issues:
    • Performance bottlenecks
    • VM failures
    • Linux system errors
  • Analyze logs and system metrics to ensure operational stability
  • Provide L2/L3 support for production environments
Automation & Integration
  • Automate provisioning and operational tasks using:
    • REXX, Shell scripting, Python (preferred)
  • Support DevOps and integration initiatives:
    • CI/CD pipelines
    • Container platforms (Docker, Kubernetes – optional)
  • Assist application teams with deploying workloads on Linux on Z
Security & Compliance
  • Implement and maintain security controls:
    • RACF integration for z/VM
    • Linux OS hardening
  • Ensure compliance with enterprise standards and audit requirements
  • Support vulnerability management and patch remediation
Governance & Documentation
  • Maintain system documentation and configuration records
  • Ensure all changes follow:
    • ITIL / ServiceNow change management processes
  • Support DR planning and execution for z/VM and Linux systems
Required Qualifications:
  • Strong experience with:
    • IBM z/VM (z/VM 6.x / 7.x)
    • Linux on IBM Z (RHEL/SUSE/Ubuntu)
  • Hands-on experience with:
    • Virtual machine provisioning and management
    • VM directory management (DirMaint)
    • System maintenance (RSUs, APARs, VMSES/E)
  • Knowledge of:
    • HMC operations and IPL processes
    • Storage (DASD) and networking on z systems
  • Strong troubleshooting skills across:
    • z/VM system issues
    • Linux OS performance and configuration
  • Preferred Experience:
  • Knowledge of Sysplex, networking, and storage integration
    • Experience with Monitoring tools (e.g., Grafana, OMEGAMON) and Automation tooling (Ansible, scripting)
    • Exposure to Cloud integration / hybrid environments and Container workloads on Linux on Z