Sr. Principal Systems Administrator

Prattwhitney; Tucson (AZ); On-site; USD 101,000 - 203,000; Full time

Job summary

A leading aerospace and defense company seeks a Sr. Principal Systems Administrator to manage IT systems supporting critical programs. The role entails collaboration on security requirements, systems management in a diverse IT environment, and involves leadership and troubleshooting responsibilities to maintain operational efficiency across classified programs.

Benefits

Medical, dental, vision insurance

401(k) match

Flexible spending accounts

Employee Scholar Program

Parental leave

Paid time off

Short-term and long-term disability

Qualifications

• Typically requires a minimum of 8 years of prior relevant experience.
• Must be a U.S. citizen eligible for a security clearance.
• Experience in mentoring or leadership roles is preferred.

Responsibilities

• Collaborate with teams to support classified information system capabilities.
• Manage server infrastructure across different systems.
• Provide systems administration for Windows and Linux environments.

Skills

Windows experience

Linux experience

Virtualization technologies

IT systems administration

Cybersecurity knowledge

Education

University degree or equivalent experience

DoD Certification (CompTIA Security+ CE)

Tools

Active Directory

VMware

AWS

MySQL

Job description

Sr. Principal Systems Administrator page is loaded

Sr. Principal Systems Administrator

Apply locations AZ805: RMS AP Bldg 805 1151 East Hermans Road Building 805, Tucson, AZ, 85756 USA time type Full time posted on Posted 2 Days Ago job requisition id 01770870

Date Posted:

2025-05-28

Country:

United States of America

Location:

AZ805: RMS AP Bldg 805 1151 East Hermans Road Building 805, 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

About Us

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.

What You Will Do:

• Sr. Principal System Administrator, in infrastructure Workplace Services, collaborates with a team to support fast-paced, 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.

• 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.

• Supervise 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.

• Participate in and lead technical meetings with team members and other program personnel and represent the organization in functional area matters.

• 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.

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

• Full time 100% Onsite position

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 Windows or Linux experience.

• 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 administration, backup, and recovery enterprise suites.

• Must have experience in mentoring others or lead experience.

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 Podman and Scripting

• Experience with handling and working with classified information.

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

• Experience with data storage, NAS, and SAN technologies and solutions

• Experience using VMWare vCenter, VDI, vSphere, and ESX and/or other virtual computing methods.

• Experience with Microsoft WSUS, MECM, and/or Exchange

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

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!

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 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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