Unclassified System Administrator McKinney, Texas

Date Posted:

2026-06-17

Country:

United States of America

Location:

US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after 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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

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.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe can communicate, collaborate, and innovate for customer success. We create leading-edge technology solutions to prevent security threats, protect the integrity of our systems and support RTX IT infrastructures around the world.

Principal System Administrators, internally known as Principal Analyst, Information Workplace Services collaborate with diverse teams to support continuously evolving, Engineering environments with unclassified information system capabilities. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments across various unclassified Engineering Labs. Engineering 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

• Utilize your knowledge and skills regarding System & Service integration to include, but not limited to, authentication protocols, patch management, network segregation, and vulnerability management.

• Use multiple operating systems and hardware platforms to include OT (Operational Technology).      

• Work in a collaborative, multi-cross functional team environment.  

• Develop troubleshooting techniques to resolve technical and environmental issues within Engineering and Factory spaces.

• Work with the Cyber & Compliance Teams to maintain RTX standards and DFARS requirements which include assessments, implementation steps, and ensuring the integrity of the security authorization package. 

• Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.

Qualifications You Must Have  

• Typically requires a university degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years’ experience                  

• Must have ability to gain a US DoD secret clearance; US citizenship is required as only US citizens are eligible for security clearance.                 

• Experience with Windows and/or Linux Server Operating Systems (OS)

• Qualifications We Prefer

• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).

• Direct working experience with DFARS, RMF, NIST Cybersecurity Framework.

• Experience with using Information Technology project lifecycle management processes.

• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.

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

• Experience with Microsoft WSUS, SCCM, and/or Exchange.
  Scripting Experience.

• The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)

• Direct working experience with DFARS, RMF, NIST Cybersecurity Framework

• Experience with using Information Technology project lifecycle management processes

• Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods

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. Relocation assistance is available. 

• Relocation assistance not available

Learn More & Apply Now

• Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:  Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

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 86,800 USD - 165,200 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 to read the Policy and Terms