Sr. Principal Linux Systems Administrator

Date Posted:

2025-08-01

Country:

United States of America

Location:

AZ848: RMS AP Bldg 848 1151 East Hermans Road Building 848, Tucson, AZ, 85756 USA

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:

DoD Clearance: Secret

Sr. Principal Linux Systems Administrator - Tucson, AZ. Must have an active secret clearance we offer relocation!

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.

Sr Principal Linux System Administrator in infrastructure Workplace Services, collaborate with many teams 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.

Responsibilities to Anticipate:

• Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows environment. 
• 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).
• Working with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
• Develop solutions and documentation to a variety of technical problems.
• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ or equivalent certification) within 6 months of start date
• Full time 100% Onsite position

Qualifications You Must Have:

• Typically requires bachelor’s degree and minimum of 8 years of prior relevant experience or a master’s degree and minimum of 5 years of prior relevant experience.
• Must have an active a transferable U.S. government issued secret security clearance prior to start date. Must be a U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Linux systems administration experience
• Must have Leadership experience
• Experience with one of the following: Windows, VMWare vCenter, vSphere, VDI, and ESX virtual computing methods

Qualifications We Prefer:

• Experience with Ansible.
• VMware highly desired.
• Experienced in Leadership and mentoring of individuals and teams.
• Basic Windows experience desired.
• Department of Defense Directive (DoD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) and an Operating System Certification.  Ability to obtain 3 months.
• Red Hat Certified System Administrator (RHCSA) certification.
• Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• Experience with data storage, NAS, and SAN technologies and solutions. Specifically Net App.

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.

Relocation Eligibility

Learn More & Apply Now!

The salary range for this role is 101,000 USD - 203,000 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 w