Date Posted:

2026-10-07



Country:

United States of America



Location:

US-CA-FULLERTON-676 ~ 1801 Hughes Dr ~ BLDG 676



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.

Raytheon engineers develop the next generation of defense technologies that support our military and protect our nation and allies. We are the world’s leader in developing cutting edge defense technologies through simulation-driven virtual environments. Our software products empower the next generation of innovative weapons systems and advanced Artificial Intelligence (AI) and Machine Learning (ML) solutions. 

We’re looking for Systems Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.

As a Sentinel® Radar Systems Engineer, you will participate in challenging multi-disciplinary work consisting of: 

• Radar Development 
• Modeling, Simulation and Analysis 
• Integration & Test of Radar Hardware and Software 
• Flight Tests and Performance Analysis 
• Radar System Sell-Off 

What You Will Do 

• Responsible for the development and implementation of radar requirements Create high fidelity simulations and models for missile design, performance assessment, and flight test support 
• Responsible for the development and implementation of modeling solutions, and subsequently conduct trade studies and evaluation of system and subsystem performance 
• Work in a team environment, receiving inputs from the team supervisors and providing guidance and/or direction to other team members 
• Support hands-on operational Integration and Test at the Fullerton Test Site 
• Support flight tests and analyze collected data to evaluate radar performance 
• Support CONUS and OCONUS radar system sell-off to the customer 
• Ability to travel ~10%  

Qualifications You Must Have 

• Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum 2 years of prior relevant experience 
• Experience working with object-oriented software design in C++, C, and using MATLAB or Python for evaluation of data sets 
• Experience in System Integration & Test of hardware and software  

Qualifications We Prefer 

• Advanced Degree in Engineering, Science, Mathematics, or related STEM degree 
• Experience working on a team and by yourself, interfacing with multiple engineering disciplines and developing and presenting technical briefings 
• Experience with radar design, modeling/simulation, hardware/software integration, test and verification 
• Experience using UNIX/Linux based workstations and using Software Configuration Management tools Course work or experience in some of the following fields: radar, signal & image processing, radar and/or EO/IR environment models, digital communications, probability and statistics, linear algebra, estimation theory, optimal control, system architecture  

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 Eligible – relocation assistance available for this position  

Learn More & Apply Now! 

• Please ensure 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 is located onsite in Fullerton, CA.

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 75,800 USD - 144,200 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.

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