About the role#
RTX is seeking a Mechanical Engineer Intern for the Summer 2027 term. This full-time, on-site role is based in El Segundo, California. You will join the space and airborne optics department to support development, integration, and testing of complex hardware. You will work alongside junior and senior engineers to contribute to the design and build of space-grade equipment.
What you'll do#
- Perform mechanical component design on opto-mechanical systems using Creo.
- Support assembly, integration, and test activities within a lab environment.
- Create and revise opto-mechanical designs and drawings.
- Generate assembly instructions and provide build support.
- Design for producibility and manufacturability.
- Present work for peer reviews.
- Research component design and materials.
- Generate detailed design drawings using GD&T.
- Collaborate with a cross-functional team on material selection, thermal management, precision mounting, and structural optimization.
- Process engineering changes using product data management tools.
What you'll need#
- Current enrollment in a Bachelor’s or Advanced degree program in Mechanical Engineering or a related STEM field.
- Completion of at least 60 credit hours by the start of the internship.
- Experience in the design and development of mechanical hardware.
- Proficiency in commercial CAD software, specifically Creo.
- Experience with GD&T and tolerance analysis.
- Knowledge of DFMA principles and modern machining techniques.
- Experience leading a design or build team on a project.
- U.S. citizenship is required for this position.
Location & details#
- Location: El Segundo, California.
- Term: Summer 2027.
- Modality: On-site.
- Employment Type: Full-time.
- Compensation: This is a paid internship.
About RTX
RTX operates in the aviation and aerospace component manufacturing industry. The organization consists of three primary businesses: Collins Aerospace, Pratt and Whitney, and Raytheon. It produces advanced sensors, aircraft engines, and defense systems for the aerospace and defense sectors. The company is based in Arlington, Virginia and employs over 10,000 people.
How to get in at RTX
Applying early to RTX gives you a distinct advantage because recruiters review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published, so you can submit your materials before the applicant pool grows too large. Being among the first to apply ensures your profile is seen while the team is still actively filling the position. You can also use Intern Insider to identify the specific recruiters behind RTX roles to reach out directly. Connecting with a recruiter to ask about the position or a potential referral often improves your response rate compared to applying into a general queue. This direct approach helps you stand out from the crowd.
