Senior System Administrator (WILL SPONSOR CLEARANCE)

Prattwhitney; Tucson (AZ); On-site; USD 69,000 - 131,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

Short-term Disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

RTX is hiring for an IT Systems Administrator in Tucson to support SIPR and other information systems in aWindows environment. You will manage virtualization, DNS/DHCP/AD, backups, encryption, and server replication while collaborating with cybersecurity teams. U.S. citizenship and final Secret clearance are required.

The role requires 2+ years of related experience, and DoDD 8140/8570 certification within 6 months. Travel up to 10% and 24x7 operations may be involved.

Qualifications

• 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.
• Must be able to obtain a final U.S. government issued Secret security clearance to start.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Experience with Windows and/or Linux; Experience with Active Directory, VMware, Administration, backup and recovery.

Responsibilities

• 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 and troubleshoot problems of basic to moderate scope.
• Manage virtualized environments and use Windows Server internals including DNS, DHCP, AD, and server replication methods.
• Install and configure software applications requested by end users.
• Collaborate with Cybersecurity professionals to maintain security requirements.
• Travel up to 10% per year; work full-time, onsite.

Skills

Windows Server

Active Directory

VMware

Backup and Recovery

Education

University degree or equivalent experience

Advanced Degree in related field

Tools

VMware vCenter

vSphere

ESX

WSUS

MECM

Exchange

Job description

Date Posted: 2026-08-17 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.

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. Must be able to obtain a final U.S. government issued Secret security clearance to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with Windows and/or Linux. Experience with Active Directory, VMware, Administration, backup and recovery.

Qualifications We Prefer

Active and transferable U.S. government issued Secret or 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 available, provided final candidate meets eligibility requirements.

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.

• 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
• 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: RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.