Principal System Administrator Windows or Linux with Security Clearance

About the Team

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.

About the Role

This position serves as a critical component of our IT infrastructure, operating within a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. You will be responsible for the design, development, and deployment of containers, as well as the management of ESXi, VCenter, and Microsoft Windows domains. The role demands a deep understanding of Windows Server internals and Linux fundamentals, including DNS, DHCP, Active Directory, and server replication methods.

As a key member of the engineering support team, you will execute actions directed by senior staff and project management while engaging in cross-team collaboration to align with leadership expectations. You will participate in all phases of engineering software installation and support, with a specific emphasis on testing, documentation, and acceptance. The work involves troubleshooting technical problems of moderate to high scope, integrating hardware and operating systems, and performing data backups and restores using industry best practices. You will also work closely with Cybersecurity professionals to maintain strict security requirements.

Given the operational nature of our systems, which run 24x7, occasional work beyond standard hours may be required. This is a full-time, 100% onsite position located in El Segundo, California, with travel to other U.S. domestic locations up to 10% per year as business needs dictate.

Hiring Process

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. RTX anticipates the application window closing approximately 40 days from the date the notice was posted, though this may vary based on candidate flow and business necessity.

Equal Opportunity

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.

Our Values

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.