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Senior System Administrator (Onsite)

RTX

Location
Onsite (US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030, Arizona)
Compensation
$68k - $131k/yr
Employment
Full-time
Level
Mid Level
Posted 3 days ago

About the Role

Join RTX, a global leader in aerospace and defense, as a Senior System Administrator. You will provide critical IT systems administration for classified programs, developing and maintaining secure, cost-efficient computing environments in collaboration with cybersecurity professionals.

Skills

Windows Server Redhat Enterprise Linux Active Directory VMware DNS DHCP Data Backup Cybersecurity RAID vCenter vSphere ESX WSUS MECM Exchange Scripting

Benefits

  • Medical
  • Dental
  • Vision
  • Life Insurance
  • Short-term Disability
  • Long-term Disability
  • 401(k) Match
  • Flexible Spending Accounts
  • Parental Leave
  • Paid Time Off
  • Holidays

Perks

  • Flexible Work Schedules
  • Employee Assistance Program
  • Employee Scholar Program

Full job details

Date Posted:

2026-05-22

Country:

United States of America

Location:

US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030

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:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.  

The Raytheon 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.

Senior System Administrator, internally known as Senior Analyst, based in Tucson. AZ Information Workplace Services collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems.

What You Will Do

  • Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
  • ·Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. 
  • ·Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
  • ·Work 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. 
  • Provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
  • 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.
  • Full time 100% Onsite position.

  

Qualifications You Must Have

  • Typically requires bachelor’s and minimum of 2 years of relevant prior experience
  • Experience with Linux or Windows systems
  • Experience with Active Directory (AD), VMware, Administration, backup and recovery
  • Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date

  

Qualifications We Prefer

  • 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 data storage, NAS, and SAN technologies and solutions
  • Experience with using Information Technology project lifecycle management processes
  • Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods
  • Experience supporting engineers in software, simulations, and hardware development
  • Experience with Microsoft WSUS, MECM, and/or Exchange
  • High Performance Computing (HPC) experience in a Linux environment
  • 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.

Learn More & Apply Now!

Please consider the following role type definitions as you apply for this role.

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.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

Additional information about our Tucson, AZ site location can be found here: Welcome to Raytheon in Tucson, AZ

This position requires the eligibility to obtain a security clearance. The Defense Industrial Security Clearance Office (DISCO), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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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