Raytheon Computer Science Jobs in California (NOW HIRING)

Date Posted:

2026-07-21

Country:

United States of America

Location:

US-AZ-TUCSON-801 ~ 1151 E Hermans Rd ~ BLDG 801 (External Site)

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:

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 freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon is seeking a Senior Principal Systems Security Engineer (Program Protection / Anti-Tamper) - P5 to join our elite Systems Security Engineering (SSE) team for the Systems Directorate in developing solutions to protect the Warfighter’s technology advantage. Systems Security Engineering creates holistic security solutions leveraging Cybersecurity, Software Assurance and Supply Chain Risk Management to support Program Protection on embedded weapons systems. Join our highly visible team and perform technically challenging assignments, which will directly contribute to protecting our nation and our Warfighters. The individual will work with the program and customer in the development of the system, providing strategic input and planning for the system, applications, architecture, and design in a dynamic, agile development environment. This is an onsite position at Raytheon in Tucson, AZ.

What You Will Do

• Support the implementation of Systems Security Engineering (SSE) solutions in Raytheon products

• Interact with customers to define SSE requirements, solutions, trades, costs, and implementation strategies

• Develop plans, estimates, task execution schedules, and risk mitigation strategies

• Guide SSE implementations and architectures for customer systems

• Conduct attack threat modeling and Critical Program Information (CPI) assessments

• Develop top-level system requirements and flow those into subsystem implementation concepts

• Ensure compliance with DoD technology release and export licensing policies

• Consult and assist program management with SSE architecture and issues

• Consult and assist program line management with SSE architectures and issues

• Performing Task Lead duties (e.g., task planning, product owner, scrum master)

Qualifications You Must Have

• Typically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) and 10 years of prior relevant experience

• 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

• Experience in technical leadership

• Experience in the fields of System Security Engineering, computer technology reverse engineering, Anti Tamper, cybersecurity or embedded security

• Experience in designing, implementing, testing and fielding real-time embedded security solutions for DoD programs

• Experience generating systems requirements, design and architecture artifacts, plans and/or policies

Qualifications We Prefer

• Active and transferable U.S. government issued DoD Secret security clearance

• Advanced Degree in Electrical Engineering, Systems Engineering, Mechanical Engineering, Computer Science or related fields

• Experience in developing Anti-Tamper, Cyber Security, and/or Program Protection requirements, architectures and plans

• Familiarity with software, firmware, microelectronics engineering, cryptography and FPGA design

• Expertise in attack threat modeling and Critical Program Information (CPI) assessments

• Cybersecurity certifications such as CISSP, GSLC or CEH in accordance with DoDD 8570/8140

• Working knowledge of DoD directives such as DODI-S-5230.28

• Experience in aircraft/weapons system integration

• Exceptional creativity, problem-solving abilities, and strong interpersonal skills

• Experience in solutions meeting robust SSE systems security requirements

• Program management experience with SSE

• Strategic planning and proposal writing skills

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 Eligible – Relocation assistance is available

Learn More & Apply Now!

• Please consider the following role type definition as you apply for this role.  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.

• This position requires onsite work in Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

Location Information

This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America’s 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature’s best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson’s fantastic weather lets residents enjoy the outdoors year-round.

Virtual Fly Over City of Tucson & Community, YouTube Video Links:

• “Raytheon In Tucson”: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

• “Tucson is Awesome”: https://www.youtube.com/watch?v=i65wOwKcNIQ

• “Winter in Tucson”: https://www.youtube.com/watch?v=yZdKKkF0QkE

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 132,400 USD - 251,600 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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