Senior Principal Windows System Administrator

Job Description

Date Posted : 2025-10-23

Country :

United States of America

Location :

CA323 : 2000 E Imperial Hwy Bldg R01 2000 East Imperial Highway Building R01, El Segundo, CA, 90245 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 : Top Secret

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 :

Share technical expertise and mentor a team of System Administrators to ensure the confidentiality, integrity, and availability of IT systems and applications within their assigned area

Develop leadership in resource management, interview talent, train team members, onboard new hires, and mentor

Oversee 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.

Develop and monitor policies, standards, processes, and goals

Coordinate administrative support for training development, evaluations, operations and sustainment plans

Participate in Change Request reviews and Change Management across multiple programs and functional teams

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

Participate in technical meetings with team members, program personnel, and represent the IT organization in functional area matters.

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 Top 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.

Experience administering Active Directory, Microsoft Server, WSUS, Server Virtualization (Hyper-V, VMware), Group Policy, Backup and Recovery.

Provide IT systems administration in a Microsoft Windows and Red Hat Enterprise Linux environment.

Experience leading technical teams including prioritization of tasks and projects, remediation of time sensitive issues, and escalation as appropriate.

Experience interfacing with senior executives and high-level third party stakeholders.

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.

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

Full time 100% Onsite position.

Qualifications We Prefer :

Experience managing large Storage environments (HPE MSA, NetApp).

Experience with Ivanti, Symantec, Splunk, Tenable and Nessus products.

Experience working with NISPOM, JAFAN, JSIG, DFARS and / or DoD / RMF and handling classified information.

Experience in the following areas : Patch management, vulnerability remediation, High Performance Computing, operating system upgrades, computer security, system monitoring and logging

Storage Area Network (SAN), Network Attached Storage (NAS) systems, and NetApp

Experience leading geographically dispersed teams.

Experience using VMWare vCenter, vSphere, and ESX and / or other virtual computing methods, and Horizon

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 112,000 USD - 224,000 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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