"Alerted.org

Date Posted:

2025-07-31

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

Active and transferable U.S. government issued security clearance is required prior to start date.​

Security Clearance:

TS/SCI with Polygraph

Sr. Principal Linux Systems Administrator- El Segundo, CA -Must have a TS/SCI with CI Polygraph active clearance, 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 many teams 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.

About US:

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 is YOUR Mission?

Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team at Raytheon Technologies creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.

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.

**Sr Principal System Administrators** collaborate with a team 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:

+ Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows environment.

+ 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.

+ 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

+ Full time 100% Onsite position

**Qualifications You Must Have** :

+ Typically requires a bachelor’s degree and a minimum of 8 years of prior relevant experience or a master’s degree and a minimum of 5 years of prior relevant experience.

+ **Must have an active a transferable U.S. government issued TS/SCI CI Poly security clearance or prior SCI/program eligibility prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance** .

+ Must have experience with Linux systems administration

+ Experience with one of the following: Windows, VMWare vCenter, vSphere, VDI.

+ Experience with containerization: Docker, Kubernetes, OpenShift, VMware Tanzu or similar.

**Qualifications We Prefer** :

+ Experience with Ansible.

+ Experience Unix/Solaris 11.

+ VMware expertise desired.

+ Experienced mentoring individuals and teams.

+ Windows experience is 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.

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!

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._

Privacy Policy and Terms:

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms

Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.