Sr. Principal Linux Systems Administrator

Date Posted: 2025-04-08

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

Sr. Principal Linux Systems Administrator- El Segundo, CA -Must have a TS/SCI active clearance,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. 

Sr. Principal System Administrator in infrastructure Workplace Services, collaborate 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.

Responsibilities to Anticipate :

• Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows 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 to 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 bachelor’s degree and minimum of 8 years of prior relevant experience or a master’s degree and minimum of 5 years of prior relevant experience.
• Must have an active a transferable U.S. government issued TS/SCI security clearance prior to start date and must have ability to obtain a Counterintelligence (CI) Polygraph. Must be a U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Must have Linux systems administration experience
• Experience with one of the following: Windows, VMWare vCenter, vSphere, VDI, and ESX virtual computing methods

Qualifications We Prefer:

• Existing Counterintelligence (CI) Polygraph preferred.
• Demonstrated experience with Unix/Solaris 11
• Experience with Ansible.
• VMware highly desired
• Basic Windows experience desired.
• 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

Learn More & Apply Now!

El Segundo, CA:

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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