Date Posted:

2026-04-10

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 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.

Sr. Principal Systems Administrator Lead, 100% onsite, Tucson, Arizona, must have active secret clearance

What You Will Do:

• Sr. Principal System Administrator Lead, in infrastructure Workplace Services, collaborate with a team to support fast-paced, critical programs with classified information system capabilities. Success in this role means you are able to 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.

• Manage and optimize the server infrastructure in a heterogeneous information system.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. 

• Lead a team of System Administrators to ensure the confidentiality, integrity and availability of IT systems and applications within their assigned section.

• Provide leadership to support a varied range of administrative tasking, to include corrective/preventive maintenance, recurring operations functions, account management, and system optimization.

• Guide administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.

• Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned

• Participate in Change Request reviews, to include participating in Change Management boards at multiple program levels.

• Coordinate technical and process document reviews and resolving system administration, engineering, and integration issues

• Participate and leading technical meetings with team members and other program personnel, and representing the organization in functional area matters

• 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.

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

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

• Other tasks as assigned.

Qualifications You Must Have:  

• Typically requires a University degree or equivalent experience and a minimum of 8 years of prior relevant experience or an Advanced Degree in a related field and a minimum of 5 years 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.

• Must have 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, Windows or Linux administration, Windows administration, or Mac OS experience, backup, and recovery enterprise suites.

• Must have experience in mentoring others or lead experience.

Qualifications We Prefer:  

• Organizational skills to include attention to detail, time management and ability to multitask.

• An active DoD Top Secret clearance with investigation date completed within the past 6 years.

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

• Experience working experience with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines.

• Experience with handling and working with classified information.

• Experience supporting engineers in software, simulations, and hardware development.

• Experience in the following areas: patch management, High Performance Computing, OS Upgrades, computer security, system monitoring and logging

• Experience with Storage Area Network (SAN) and Network Attached Storage (NAS) systems.

• Experience with virtual host solutions (e.g., VMware)

• Experience with requirements gathering, planning, and managing deployment, installation, maintenance and upgrade efforts, over multiple geographic sites.

• Experience managing IT services and support in a 24/7 real time operational environment.

• Experience in Leadership and mentoring of individuals and teams.

• Industry certifications including but not limited to: Security +, CISSP, ITIL, ISC2, PMP etc.

• Scripting Experience.

• Experience with legacy system i.e. Solaris, Microsoft Server 2008/2012/2016. Windows NT/XP/7, Red Hat Enterprise Linux 4/5/6.

• Knowledge & Experience with FAS3250 Storage support.

• Experience with Jira and Confluence or other project management tools.

• Experience developing and managing standard operating procedures.

• Experience with Legacy Solaris 8,9, and 10 support, accounts, development and maintenance.

• Knowledge & Experience with IRIX operating system & Silicon Graphics Computer Systems.

What We Offer:

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

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 107,500 USD - 204,500 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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