About this role
Date Posted: 2026-09-02

Country: United States of America

Location: US-CA-FULLERTON-611 ~ 1801 Hughes Dr ~ BLDG 611

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
Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.
The Raytheon Hardware Engineering Organization leads the mechanical hardware design, development and production of radar, sonar, torpedo, missile and combat system equipment. The mechanical team uses state-of the-art tools, processes, technology, and Raytheon’s CORE principles. The team’s capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation.
The candidate will report directly to the C2 Hardware Engineering Section within the Tactical Radars and Land Based Effectors AUR (TRaLBEAUR) Department. The Department provides mechanical and hardware systems engineering expertise and provides support across locations in California, Texas, and Massachusetts. The candidate will report directly to a Mechanical Design and Production Support section in the department. The mechanical engineer position is to perform research, design, analysis, and development in such areas as mechanical systems, thermal systems, materials, test equipment, hardware processes, or manufacturing processes.
What You Will Do
• Engineering Planning. • Mechanical Engineering Design of Subassemblies and Equipment. • Manufacturing Engineering and Hardware Development. • Development and testing of mechanical and/or electro-mechanical systems. • Commercial Off the Shelf (COTS) Hardware Integration.
Qualifications You Must Have
• Master’s degree in Science, Technology, Engineering, or Mathematics (STEM) • major obtained by start date. • Experience in developing mechanical subsystems documentation using CAD software. • Experience may be obtained through on-the-job experience, research, coursework, or projects
Qualifications We Prefer
• Self-motivated with strong organization skills. • Previous intern experience within the aerospace and defense industry.
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 Eligibility
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
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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