Lead Radar Systems Engineer - Sr. Principal

Date Posted:

2026-05-05

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:

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 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. 

We’re looking for Systems Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn. As a Radar Systems Engineering Lead, 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 
• Lead a team of Systems Engineers, working in a team environment, receiving inputs from the team and providing guidance and direction to team members
• Interface with the other team leads, chief engineers, technical directors and program management and the customers
• Lead hands-on operational Integration and Test at the Fullerton Test Site 
• Lead flight tests and analyze collected data to evaluate radar performance 
• Lead CONUS and OCONUS radar system sell-off to the customer 
• Ability to travel ~20% 

Qualifications You Must Have 

• Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of ten (10) years of prior relevant experience 
• Experience applying object-oriented software design in C++ or C, and using MATLAB for evaluation of data sets 
• Experience developing or simulating radar systems
• Experience in modeling, simulation, statistics, or analysis for engineering solutions 
• Experience in System Integration & Test of hardware and software 

Qualifications We Prefer 

• EVMS or EAC experience
• 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
• Experience developing proposals (i.e., developing TINA compliant Basis of Estimates)
• Experience leading a team(s) of systems engineers and interfacing with other organizations and disciplines (e.g., program management, software engineering, mechanical engineering, electrical engineering, subcontractors and the customer).
• Experience overseeing and/or presenting financial metrics associated with the efforts being led (e.g., budget, schedule, variance reports, earned value metrics).

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 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 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 145,600 USD - 276,800 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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