Mechanical Engineer I (Onsite)

Date Posted:

2026-04-28

Country:

United States of America

Location:

US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675

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.

At RTX, the world 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. 

The Tactical Radars and Effectors department within Raytheon Hardware Engineering supports the development, production, and deployment of multiple defense products including radars, missiles, command and control systems, and naval electronics.  The products support US Government and international customers.

This Mechanical Engineer I will support the Sentinel radar product line and sensors based in Fullerton, CA and may require domestic and international travel to suppliers.  This position will be an onsite role; Employees who are working in Onsite roles will work primarily onsite.

What You Will Do:

• Working within a team environment to develop innovative mechanical subsystems with solid modeling practices and drawing creation using CAD tools such as Creo Parametric, Solidworks, or equivalent
• Develop preliminary sketches, diagrams, and other engineering information to generate 3-D design models and/or conceptual designs
• Exposure to solid modeling practices and drawing creation using CAD tools such as Creo Parametric, Solidworks, or equivalent
• Knowledge of fabrication processes, capabilities and limitations
• Support Mechanical Engineering solutions on production issues to functional leadership and engagement for resources (Subject Matter Experts, etc.) to resolve production issues rapidly and efficiently
• Support functional team leads for the integration efforts across the Cross Product Teams in the Sentinel portfolio to ensure successful system design, integration, production and program execution

What You Will Learn:

• Understanding of and disciplined application of tools / processes / approaches / instructions across the radar product life cycle
• Provide radar technical data package (TDP) support that includes design, development, manufacturing, and failure investigation solutions
• Participant in the Engineering changes process, peer review process, Engineering Documentation Standards (EDS) implementation, Configuration Control Board (CCB) participant as required by RTX command media
• Supports program growth and technology insertion strategies working closely with the functional leaders, program technical leadership, and Program Office.
• Supports Mechanical leads for planning and execution of production programs, lateral product applications, and Engineering Changes.

Qualifications You Must Have:

• Bachelor’s degree in science, Technology, Engineering, and Mathematics (STEM)
• The ability to obtain and maintain a U.S. government issued security clearance is required