Top 18 Senior system administrator Jobs in Tucson, Az

Senior System Administrator (Onsite)
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Full-time
- Windows
- AWS
- Scripting
- Paid holidays
- Disability insurance
5d
Senior Systems Administrator
Leidos —Tucson, AZ
- $92,300 - $166,850 a year
- Full-time
- Azure
- 6 years
- Computer Science
13d
Senior Information Systems Engineer - Onsite Tucson, AZ
Raytheon —Tucson, AZ
- $86,800 - $165,200 a year
- Full-time
- 5 years
- System design
- Windows
- Paid holidays
- Disability insurance
Senior System Administrator
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Full-time
- Windows
- Bachelor's degree
- Travel
- Paid holidays
- Disability insurance
12d
Health IT Senior System Administrator
Pascua Yaqui Tribe —Tucson, AZ
- Weekends as needed
- Microsoft Word
- Computer science
- Microsoft Outlook
- Profit sharing
- Paid holidays
Senior System Administrator, Tucson, AZ.
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Full-time
- Windows
- Bachelor's degree
- Travel
- Paid holidays
- Disability insurance
Sr Sys Admin-SIPR
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Full-time
- Windows
- 3 years
- Master's degree
- Paid holidays
- Disability insurance
12d
Sr. Network Systems Administrator
Rincon Research Corp —Tucson, AZ
- $120,000 - $160,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
- Disability insurance
- Health insurance
Quick Apply
Network Administrator, Senior Analyst, Tucson, AZ, Onsite
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Weekends as needed
- Customer service
- Bachelor's degree
- Travel
- Paid holidays
- Disability insurance
Network Administrator, Senior Analyst, Tucson, AZ ONSITE
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Weekends as needed
- Customer service
- Bachelor's degree
- Travel
- Paid holidays
- Disability insurance
14d
Network Administrator, Senior Analyst, Tucson AZ, ONSITE
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Weekends as needed
- Customer service
- Bachelor's degree
- Travel
- Paid holidays
- Disability insurance
High Performance Computing System Administrator, Senior Analyst, Onsite Tucson AZ
Raytheon —Tucson, AZ
- $68,900 - $131,100 a year
- Full-time
- Windows
- Bachelor's degree
- Mentoring
- Paid holidays
- Disability insurance

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Senior Systems Administrator
Leidos —Tucson, AZ
Diagnose and resolve hardware, software, and end-user technical issues while serving as a primary IT support contact, managing support tickets through…
$92,300 - $166,850 a year
13d
Senior System Administrator (Onsite)
Raytheon —Tucson, AZ
Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware and operating…
$68,900 - $131,100 a year
5d

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Write instructional documentation and convey highly technical ideas in non-technical terms. Currently possesses and maintains a DoD approved 8570/8140 baseline…
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Senior Systems Administrator/ Patch Manager
Koniag Government Services —Columbus, OH
Requires a vendor-specific certification such as Microsoft Certified: Windows Server Hybrid Administrator Associate.

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Senior System Administrator (Onsite)

Raytheon -
Tucson, AZ

Apply Now

Job Details

Full-time
$68,900 - $131,100 a year
5 days ago

Benefits

Paid holidays
Disability insurance
Relocation assistance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Flexible schedule
Life insurance

Qualifications

Linux support
Project management experience in technology
Technical documentation
Data recovery
Server backup and recovery
Public Cloud
Windows
Software installation
Information security
Production systems
DHCP
AWS
Team training
RAID configurations
Remote access software
Hardware support
Scripting
DNS
Server virtualization
Network support
Data backup
Veeam
Remote desktop tools
Windows support
Application Maintenance
Technical training
Cybersecurity
Network infrastructure management
Senior level
2 years

Full Job Description

Date Posted:

2026-07-02

Country:

United States of America

Location:

US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)

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:

Secret - Current

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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe can communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.

What You Will Do:

Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
Work as a team member in a fast-paced technological environment.
Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
Experience with data RAID, data backup uses and technologies.
Install and configure software applications requested by end users.
Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within a reasonable amount of time.
Systems are operational 24x7 and occasionally require work effort beyond standard work hours

Qualifications You Must Have:

Typically requires a university degree or equivalent experience and a minimum of 2 years of prior relevant experience.
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 with some but not limited to, the following technologies: Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, and Netwrix, prior systems administration and networking administration experience backup, and recovery enterprise suites.

Qualifications We Prefer

Experience with Zero Clients.
Experience with using Information Technology project lifecycle management processes.
Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
Scripting Experience

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 available, provided final candidate meets eligibility requirements

Learn More & Apply Now

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

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.

Privacy Policy and Terms:

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Refine Your Search

senior system administrator jobs in tucson, az

Senior System Administrator (Onsite)

Senior Systems Administrator

Senior Information Systems Engineer - Onsite Tucson, AZ

Senior System Administrator

Health IT Senior System Administrator

Senior System Administrator, Tucson, AZ.

Sr Sys Admin-SIPR

Sr. Network Systems Administrator

Network Administrator, Senior Analyst, Tucson, AZ, Onsite

Network Administrator, Senior Analyst, Tucson, AZ ONSITE

Network Administrator, Senior Analyst, Tucson AZ, ONSITE

High Performance Computing System Administrator, Senior Analyst, Onsite Tucson AZ

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