Principal Windows Systems Administrator - Top Secret required

Date Posted:

2026-07-21

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

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 Type:

Top Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

We are adding Principal Windows Systems Administrator to our team in El Segundo, CA Team!

What You Will Do:

• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux 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.
• Be the lead for all storage appliances in all classified networks
• Troubleshoot complex IT issues and come with a resolution
• Develop solutions and documentation about a variety of technical problems.
• within 6 months of start date
• 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.
• Full time 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 Top Secret security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
• Experience with administering. maintaining and troubleshooting storage appliances specifically NetApp and experience with iscsi, NAS and SAN solutions
•  Experience with administering backups (with Veritas Netbackup, BackupExec, Veeam or closely related software)
• Experience with VmWare Virtualization such as VDS, and various cyber hardening
• Experience with Microsoft Windows administration  

Qualifications We Prefer:

• Experience with integration and supporting an email platform such as Exchange or SmarterMail.
• Configuration and support of Fabric Cisco or Brocade Switches
• Linux expertise desired
• Familiarity with Splunk, Nessus, Symantec, SCCM highly desired
• Experienced mentoring individuals and teams.
• Creating Visio Diagrams to reflect system and network overview/topology
• Self-starter, take on various projects at once, and be comfortable with a fast-paced environment
• -Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

We offer relocation 

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, 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 95,500 USD - 181,700 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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