Principal Windows and Mac System Administrator

Date Posted:

2026-06-30



Country:

United States of America



Location:

US-CA-PASADENA-741 ~ 300 N Lake Ave ~ BLDG 741



Position Role Type:

Onsite



U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.



Security Clearance Type:

None/Not Required



Security Clearance Status:

Not Required

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.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to 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.

Principal System Administrators, based in Pasadena, CA, infrastructure 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:

• Work as a Windows and Mac administrator supporting the Jet Propulsion Laboratory EISOC contract.
• Provide IT systems administration in a heterogeneous Microsoft Windows and Mac OS environment. 
• Manage ESXi, VCenter.
• Perform 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.  
• Work 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).
• 100% on site

Qualifications You Must Have:

• Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years’ experience.
• Experience with Windows and Mac OS administration
• Experience with network services related to Microsoft Windows environment (e.g. DC, DNS, DHCP, etc.
• Microsoft Windows Active Directory Services administration and support (e.g. user and computer objects administration, Group Policy).
• Experience with backup, and recovery tools and techniques.

Qualifications We Prefer:

• JAMF Pro Server, Active Directory, WSUS, VMware, prior systems administration and networking administration experience.
• Experience with cloning techniques.
• Experience with supporting desktop / workstation hardware.
• Experience with an IT incident/service request system.
• Some RHEL Based Linux experience
• Prior Experience working with the JPL customer strongly desired.

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

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 95,500 USD - 181,700 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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