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Mechanical Engineer I (Onsite)

RTX Corporation | fullerton, United States | Posted June 10, 2026

Position Overview

**Date Posted:**

2026-06-08
**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...

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