PrincipalMechanicalEngineer

**Date Posted:** 2026-05-08 **Country:** United States of America **Location:** US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 **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 **** **Raytheon Company, Managed by Collins Aerospace** At Collins Aerospace, our **Multi-Domain Assured Navigation and Timing Applications (MANTA)** organization is a growing business area in need of a qualified electrical engineer to support development and factory transition of state-of-the-art navigation products for the Government marketplace. The ideal candidate shall have a well-rounded background; one that has demonstrated experience or training in multiple aspects of mechanical engineering design. This is an individual contributor role in which the engineer is part of a cohesive team of engineers responsible for developing key subsystems for the PNT product lines. As a **Principal Mechanical Engineer** you will serve as the mechanical technical authority for airborne RF and digital processor subsystems, leading hardware development from early concept through production deployment. This is an onsite position in **El Segundo, CA**. **** **What You Will Do** * Lead the mechanical development of GPS RF and digital electronics subsystems from concept through production. * Serve as the mechanical technical authority (REA) on assigned programs, ensuring alignment to technical, cost, and schedule objectives. * Own subsystem-level mechanical solutions, ensuring performance in demanding thermal and high-vibration environments. * Collaborate cross-functionally with Electrical, Systems, Manufacturing, and Supply Chain