Mechanical Engineer Intern (2027 Summer)

Prattwhitney; Tucson (AZ); On-site; USD 37,000 - 82,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Paid time off

Flexible work schedules

Employee Scholar Program

Parental leave

Job summary

RTX is seeking Mechanical Engineering Interns to support multi-disciplined teams in design, analysis, and production support for Air Launched and Ground Based Effectors. Roles involve data-driven decisions, technical documentation, and collaboration with engineering leads.

The internship offers hands-on experience in 3D modeling, GD&T, and configuration management within a safety-focused aerospace environment in the Tucson area.

Qualifications

• Must be pursuing Bachelor's or Advanced degree in Mechanical, Aerospace 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 may be obtained through on-the-job experience, research, coursework, or projects.

Responsibilities

• Supporting concept development, detailed design, analysis, integration and test, support of transition to production efforts, factory production line support and product improvement.
• Additional duties may include root cause / corrective action and problem resolution at on-site labs and factories or at various suppliers.
• Candidate will work with Integrated Product Team Leads/Program Managers to define requirements, manage risks, and meet schedules/budgets.
• You will ensure Technical Data Package quality per ASM Y14.5.
• You will work under supervision of an Engineering team lead and prepare data-driven analyses.
• 3D Parametric Modeling and communication of technical information through presentations.

Education

Bachelor's or Advanced degree in Mechanical or Aerospace Engineering or related (STEM) major

60 hours of credit completed before internship

Tools

Creo modeling and drafting

Windchill

GD&T

Job description

Date Posted: 2026-09-14 Country: United States of America Location: US-AZ-TUCSON-928 ~ 1151 E Hermans Rd ~ MULTI PURPOSE FAC 928 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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's Air Launched and Ground Based Effectors Departments are currently searching for Technical Interns to work on a multi-disciplined team supporting the design and/or production support of Air Launched Effectors products and subsystems. Your qualifications could add tremendous value to our team. If you're passionate about what you could accomplish here, we'd love to hear from you.

What You Will Do

• Supporting concept development, detailed design, analysis, integration and test, support of transition to production efforts, factory production line support and product improvement.
• Additional duties may include root cause / corrective action and problem resolution at our on-site labs and factories or at various suppliers.
• Candidate will work closely with Integrated Product Team Leads/Program Managers to ensure that engineering requirements are defined, risks are managed, and schedules/budgets are met.
• You will work within the process to ensure Technical Data Package quality per ASM Y14.5.
• You will work under supervision of an Engineering team lead in performing your duties.
• As a Mechanical Engineering Intern, your decisions will be data driven in nature and require preparing technical justification analysis reports as well as presenting to a variety of Engineering Review Boards.
• 3D Parametric Modeling Communication of technical information by way of presentations and other means.

Qualifications You Must Have

• Must be pursuing Bachelor's or Advanced degree in Mechanical, Aerospace 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 may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• Experience with Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5.
• Experience with Creo modeling and drafting.
• Experience with Windchill and configuration management 3.0.
• Cumulative GPA desired.

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.

The salary range for this role is 37,000 USD - 82,000 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.

Relocation Eligibility

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.

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.