Mechanical Engineer II (Onsite)

RTX (Raytheon); Fullerton (CA); On-site; USD 76,000 - 144,000; Full time

Job summary

RTX (Raytheon) in Fullerton, CA, is seeking a Mechanical Engineer to join the Sentinel radar product team. This on-site role supports mechanical subsystems, CAD modeling, and integration tasks across cross-functional teams for production and program execution.

You will develop 3-D designs using Creo Parametric or SolidWorks, prepare design data, and collaborate with suppliers worldwide. A STEM master's degree and radar program experience are preferred, with travel up to 10% to suppliers and

Qualifications

• Master's degree in STEM obtained by start date.
• Experience in mechanical engineering design.
• Experience in radar production programs.
• Experience resolving technical challenges.
• Experience may be obtained through on-the-job experience, coursework, or projects

Responsibilities

• Develop mechanical subsystems with solid modeling practices and CAD drawings.
• Create 3-D design models from sketches and diagrams.
• Exposure to solid modeling practices and CAD drawings using Creo/SolidWorks.
• Provide mechanical solutions on production issues with SME support.
• Collaborate with teams across Sentinel portfolio for integration and production.
• Provide radar TDP support including design, development, and failure investigations.
• Learn disciplined application of tools/processes across radar life cycle.
• Participate in Engineering changes, peer reviews, and EDS implementation.
• Support IPTL planning for production programs and major engineering changes.

Skills

Mechanical design

Problem solving

Team collaboration

CAD proficiency

Education

Master's degree in STEM

Tools

Creo Parametric

SolidWorks

GD&T

Job description

Date Posted: 2026-09-16

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: 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: DoD Clearance: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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 Tactical Radars 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 Product Team role will support the Sentinel radar product line based in Fullerton, CA and may require domestic and international travel to suppliers. This position will be an onsite role.

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.
• Provide Mechanical Engineering solutions on production issues to functional leadership and engagement for resources (Subject Matter Experts, etc.) to resolve production issues rapidly and efficiently.
• Collaborate with 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.
• Provide radar technical data package (TDP) support that includes design, development, manufacturing, and failure investigation solutions
• Learn disciplined application of tools / processes / approaches / instructions across the radar product life cycle
• Participant in the Engineering changes process, peer review process, Engineering Documentation Standards (EDS) implementation, Configuration Control Board (CCB) participant as required by command media
• Supports program growth and technology insertion strategies working closely with the functional leaders, program technical leadership, and Program Office.
• Supports the Integrated Product Team Lead (IPTL) for planning and execution of production programs, lateral product applications, and major Engineering Changes.

Qualifications You Must Have

• Master's degree in Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience in mechanical engineering design knowledge.
• Experience in product lifecycle stages of a radar production program.
• Experience resolving technical challenges.
• Experience may be obtained through on-the-job experience, research, coursework, or projects

Qualifications We Prefer

• Master's degree in Mechanical Engineering, Manufacturing Engineering, or hardware system design related major.
• Experience in manufacturing and tolerancing mechanisms.
• Experience in ANSI/ASME Y14.5 GD&T (Geometric Dimension and Tolerances).
• Experience with CAD

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.

Position requires a minimum of 10% of travel to suppliers and production facilities which include domestic and international travel.

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 ... a