
This onsite Senior Thermal Engineer role within the Mechanical Analysis and Test Department at RTX supports the development of aerospace and defense systems in El Segundo, California. The position involves performing detailed thermal analyses using finite element software and hand calculations, generating test plans to validate hardware compliance, and correlating models with experimental data. Key responsibilities include leading technical reviews, presenting findings to government and external customers, and mentoring junior engineers. The role appeals to professionals seeking to solve complex engineering challenges for national security missions within a collaborative environment. It offers opportunities for career growth, access to advanced research and development, and a comprehensive benefits package including relocation assistance and flexible work schedules.








