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Senior System Administrator Jobs in Arizona (NOW HIRING)

Raytheon

Senior System Administrator

Tucson, AZ

$81K - $110K/yr

Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other information systems. * Work as a team member in a fast ...

Raytheon Technologies

Senior System Administrator

Tucson, AZ · On-site

$81K - $110K/yr

Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other information systems. * Work as a team member in a fast-paced technological environment.

krg technology inc

Sr.System Administrator

Tempe, AZ · On-site

$82K - $111K/yr

SCCM/SCOM Managing/Leading a team of other SA's Work experience in financial services Experience in Monitoring Systems. Additional Information Mandatory Skills: Active Directory, Microsoft Exchange ...

World View

Senior Systems Administrator

Tucson, AZ · On-site

$90K - $110K/yr

Perform system patching, vulnerability remediation, and security hardening across server and ... What We Offer As Senior Systems Administrator, you will help strengthen the core technology ...

World View

Senior Systems Administrator

Tucson, AZ

$81K - $110K/yr

Senior Systems Administrator Tucson, AZ Company Overview Ondas Holdings Inc (NASDAQ:ONDS) is ... Perform system patching, vulnerability remediation, and security hardening across server and ...

World View

Senior Systems Administrator

Tucson, AZ · On-site

$90K - $110K/yr

Perform system patching, vulnerability remediation, and security hardening across server and ... What We Offer As Senior Systems Administrator, you will help strengthen the core technology ...

Birdi

Sr HRIS Administrator

Paradise Valley, AZ · On-site

Senior HRIS Administrator Why Birdi? At Birdi, we're transforming the pharmacy experience through innovation, technology, and a people-first culture. As we continue to grow, we're investing in the ...

M.C. Dean, Inc

System Administrator 1

Phoenix, AZ · On-site

Monitor Enterprise system status for problems such as network outages and or degraded services; provide initial troubleshoot notify proper Sr. Level administrators when required. * Support daily ...

Maricopa

Senior Systems Administrator

Phoenix, AZ · Hybrid

$82K - $132K/yr

The Senior Systems Administrator leads complex infrastructure projects, develops technical ... Enrollment in the Arizona State Retirement System, a defined retirement benefit requiring an 11.98 ...

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Senior System Administrator information

See Arizona salary details

$45.7K

$95.3K

$133.7K

How much do senior system administrator jobs pay per year?

As of Aug 28, 2026, the average yearly pay for senior system administrator in Arizona is $95,266.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,100.00 and $108,600.00 per year, depending on experience, location, and employer.

What does a senior system administrator do?

A Senior System Administrator is responsible for managing, maintaining, and securing an organization's IT infrastructure, including servers, networks, and related systems. They oversee the installation and configuration of hardware and software, troubleshoot complex technical issues, and ensure the reliability and performance of IT services. Senior System Administrators also implement security policies, perform regular system updates, and may supervise junior IT staff. Their expertise is essential for minimizing system downtime and protecting data integrity.

What are the key skills and qualifications needed to thrive as a senior system administrator, and why are they important?

To thrive as a Senior System Administrator, you need in-depth knowledge of operating systems, networking, security protocols, and significant experience managing IT infrastructure, usually backed by a degree in computer science or related certifications (such as CompTIA, Microsoft, or Cisco). Expertise with tools like VMware, Active Directory, PowerShell, and cloud platforms (AWS, Azure) is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for this role. These abilities ensure reliable system performance, minimize downtime, and support the technology needs of an organization.

What are some common challenges a senior system administrator may encounter when managing hybrid cloud environments?

Senior System Administrators often face challenges balancing on-premises infrastructure with cloud-based resources, which can include ensuring consistent security policies, managing data synchronization, and monitoring system performance across multiple platforms. They must also stay updated on evolving technologies and compliance requirements, as well as collaborate closely with development, security, and networking teams. Addressing these complexities requires strong problem-solving skills, robust documentation practices, and a proactive approach to both troubleshooting and automation.

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

AspectSenior System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, enterprise IT environments, server managementNetwork infrastructure, routing, switching, network security
ResponsibilitiesServer deployment, maintenance, troubleshooting, system upgradesNetwork setup, monitoring, troubleshooting, security management

While both roles require networking and system knowledge, Senior System Administrators focus on server and system management, whereas Network Administrators specialize in network infrastructure. Both roles are essential in enterprise IT, often collaborating to ensure seamless technology operations.

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

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

What cities in Arizona are hiring for Senior System Administrator jobs?

Cities in Arizona with the most Senior System Administrator job openings:

Senior System Administrator jobs near you
Infographic showing various Senior System Administrator job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $95,266 per year, or $45.8 per hour.

Senior System Administrator

Tucson, AZ

Raytheon
Guided Missile and Space Vehicle Manufacturing • 10K+ employees

8.2

Company rating: 8.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies

People enjoy working here

Good employer

Recommended by students

Learn more about Raytheonexternal

$81K - $110K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 12 days ago

Job description

Date Posted:

2026-08-13

Country:

United States of America

Location:

US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.


What You Will Do:

  • Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other information systems.

  • Work as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of basic to moderate scope and complexity to include the integration of hardware and operating systems.

  • Manage virtualized environments.

  • Utilize your experience with Windows Server internals to include DNS, DHCP, AD, and server replication methods.  

  • Utilize your experience with hardware RAID, hardware and software encryption and server management tools.

  • Utilize your experience in data backup and restore, using industry best practice.

  • Install and configure software applications requested by end users. 

  • Work with Cybersecurity professionals to maintain security requirements.  

  • Obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. 

  • Systems are operational 24x7 and occasionally require work effort beyond standard work hours. 

  • Travel  required as business needs dictate to other US Domestic locations, up to 10% per year. 

  • Work full time, 100% Onsite position.


Qualifications You Must Have:

  • Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field.

  • Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

  • Experience with Windows and/or Linux.

  • Experience in one of the following: Active Directory, VMware, networking administration experience.

Qualifications We Prefer:

  • Active and transferable U.S. government issued Top Secret security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

  • Experience with Containerization Technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher.

  • Experience with Continuous Integration\Continuous Delivery Tools such as Gitlab, Jenkins, and Azure DevOps.

  • Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).

  • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

  • Experience with networking administration, data storage, NAS, and SAN technologies.

  • Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.

  • Experience with Microsoft WSUS, MECM, and/or Exchange.

  • High Performance Computing (HPC) experience in a Linux environment.

What We Offer

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available. 

  • Relocation assistance available, provided final candidate meets eligibility requirements.

Learn More & Apply Now

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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 or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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About RTX

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services

Company size

10,000+ Employees

Headquarters location

Waltham, MA, US

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Benefits

Hours and flexibility

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