Principal Windows Systems Administrator

Date Posted:

2025-06-06

Country:

United States of America

Location:

CA220: 2202 E El Segundo Blvd BldgE02 2002 East El Segundo Boulevard Building E02, 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:

TS/SCI with CI Poly - Current

Principal Systems Administrator- El Segundo, CA -Must have a TS/SCI with Counterintelligence (CI) Polygraph​ active clearance required, 100% onsite, 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. 

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.

What You Will Do:

• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux 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 about 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
• Collaborate in a fast-paced environment, using troubleshooting skills to resolve complex technical issues, including hardware and OS integration, while adapting to evolving challenges as part of a team.
• 100% Onsite position

Qualifications You Must Have:

• Typically requires a bachelor’s degree and a minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.
• Must have an active a transferable U.S. government issued TS/SCI security clearance with Counterintelligence (CI) Polygraph​ 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 Windows systems administration experience
• Experience with one of the following: VMWare vCenter, vSphere, VDI, and ESXi virtual computing methods

Qualifications We Prefer:

Experience with Veritas NetBackup or similar backup technologies.

Experience with hardening systems for security compliance (STIG).

VMware Administration highly desired

Basic Linux experiences desired.

Basic Networking concepts.

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.

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.

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

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

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and d