Mechanical Engineer Intern (Summer 2027)

Prattwhitney; El Segundo (CA); On-site; USD 42,000 - 88,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

401(k) match

Flexible schedules

Employee Scholar Program

Parental leave

Paid time off

Job summary

RTX's Raytheon Intelligence & Space in El Segundo, CA is seeking a Mechanical Engineer intern to join the space and airborne optics team, performing opto-mechanical design with Creo and supporting assembly, integration and test across space programs.

You will create and revise drawings with GD&T, participate in peer reviews, and collaborate with technicians and other engineering disciplines to ensure producibility and manufacturability.

Qualifications

• Pursuing a Bachelor’s or Advanced degree in Mechanical Engineering and enrolled through the internship/co-op session.
• Must have a minimum of 60 hours of credit by the start of the internship/co-op session.
• Experience in the design and development of mechanical hardware.
• Experience in CAD software, such as Creo.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Responsibilities

• Create and revise opto-mechanical designs/drawings with GD&T to meet requirements.
• Generate assembly instructions and provide build support with technicians and other engineering disciplines.
• Present work for peer reviews and collaborate with cross-functional teams.
• Understand and implement design for producibility and manufacturability in the project.

Skills

Mechanical design

GD&T

Education

Bachelor's/Advanced Mechanical Engineering

Tools

Creo CAD

Job description

Date Posted: 2026-10-06 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: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required

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.

Raytheon Intelligence & Space is seeking an Mechanical Engineer intern to join the space and airborne optics department to support development, integration and test across multiple space & airborne programs in El Segundo, CA. The selected candidate will perform mechanical component design on opto-mechanical systems using Creo, and support assembly, integration and test activities in a lab environment.

The candidate is expected to work with a team of specialized junior and senior manufacturing and mechanical engineers to support the design, build and test of EO/IR space hardware.

Responsibilities include creating and/or revising opto-mechanical designs/drawings, generating assembly instructions and providing build support in conjunction with technicians and other engineering disciplines, as well as design for producibility and manufacturability. The candidate will be expected to present their work for peer reviews.

What You Will Do

The engineer in this position should be familiar with general components and application of engineering principles to aid in design and development. They should be capable of performing in-depth research on component design and materials for design and analysis of mechanical assemblies.

As a design engineer they would be expected to generate detailed design drawings incorporating GD&T to ensure the requirements are maintained. They will be expected to work with a cross-functional engineering and analysis team involving material selection, thermal management, precision mechanical mounting and motion, and structural optimization while balancing schedule constraints.

The candidate will need to be able to understand change management and process engineering changes in a product data management tool. This will include creation, rework and changes to the design as the changes occur. Contacts are primarily with the immediate section manager, team lead, project leaders and other personnel (peers) within the applicable program.

Qualifications You Must Have

• Must be pursuing Bachelor’s or Advanced degree in Mechanical Engineering or related (STEM) major and actively enrolled through the completion of the internship/co-op session.
• Must have a minimum of 60 hours of credit by the start of the internship / co-op session.
• Experience in the design and development of mechanical hardware
• Experience in commercial CAD software, such as Creo
• Experience may be obtained through on-the-job experience, research, coursework, or projects

Qualifications We Prefer

• Experience in component design, analysis, and/or build of space/airborne hardware
• Experience in GD&T and Tolerance analysis for designs/drawings
• Experience in CAD design using Creo
• Experience leading a design or build team on a project
• Experience in DFMA principles and modern machining techniques

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.

Onsite:

Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 42,000 USD - 88,000 USD.

The salary range provided is a good faith estimate representative of all experience levels.

RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.