Mechanical Engineer I - Electronics Packaging

Date Posted: 2026-07-23 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 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'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. 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 Airborne Radar Design Department is currently seeking an early career Mechanical Engineer (Eng I, Mech Engrg) for the Processors and Electronic Packaging section in El Segundo, CA.  The person in this position will be involved in electronics packaging design for airborne radar subsystems including Receiver, Exciter, Processor and Power Supply.  Tasks will include mechanical engineering support throughout the hardware life cycle, including concept development, preliminary and detail design, selection of precision machining techniques, transition to production, production support and installation. Typical technologies include electronic enclosures, heat exchangers (coldwalls), machined components, RF microwave assemblies, and power converter units, often with challenging size, weight, power, and cost requirements.  The initial assignment will likely focus on the engineering Production Support of an airborne miliary radar.  This role is located in El Segundo (On-site) . The Airborne Radar Design Department is currently seeking an early career Mechanical Engineer (Eng I, Mech Engrg) for the Processors and Electronic Packaging section in El Segundo, CA.  The person in this position will be involved in electronics packaging design for airborne radar subsystems including Receiver, Exciter, Processor and Power Supply.  Tasks will include mechanical engineering support throughout the hardware life cycle, including concept development, preliminary and detail design, selection of precision machining techniques, transition to production, production support and installation. Typical technologies include electronic enclosures, heat exchangers (coldwalls), machined components, RF microwave assemblies, and power converter units, often with challenging size, weight, power, and cost requirements.  The initial assignment will likely focus on the engineering Production Support of an airborne miliary radar.  What You Will Do: Provide technical support on major programs and interface with Lead Mechanical Engineers and Chief Engineers to support design objectives. Contribute to project teams through design development and will be expected to ensure that the established procedures are followed in the creation of technical data packages, while meeting program design objectives.   Work from requirements to help develop unit design concepts and perform design trades. Contribute to developing technical solutions to a wide range of complex problems.  Complete detailed layouts and design documentation using Computer Aided Design tools. Provide support to suppliers who are fabricating components and assemblies. undefined Qualifications You Must Have: Bachelor’s degree in Science, Technology, Engineering, Mathematics, or related (STEM) field Experience with ANSI drawing standards. Experience with GD&T (Geometric Dimensioning & Tolerances). Experience with electronic packaging. Experience may be obtained through on‑the‑job experience, research, coursework, or projects. Qualifications We Prefer: Proficiency with CREO or similar 3D solid modeling software. Exposure to RF principles, RF circuit card design, RF materials, manufacturing and producibility. Exposure to high-frequency environments, enclosure design, EMI shielding, and thermal management. Exposure to manufacturing processes for CCAs, metal housings, and brazements, or experience in manufacturing and assembly support. Strong technical background with high technical aptitude.Hands-on mechanical project experience.  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 Eligible Please ensure the role type defined below is appropriate for your need