Structural Engineer Co-Op (Summer/Fall 2027) (Hybrid)

Prattwhitney; Aguadilla (PR); Hybrid; USD 20,000 - 26,000; Full time

Job summary

RTX is offering a hybrid Co-Op position in Aguadilla, Puerto Rico, designed for students pursuing a Bachelor’s in Mechanical Engineering. You will work with a multidisciplinary team on structural, ATF, and dynamics analyses, developing FEA/CFD models and supporting engineers with findings.

Residents of Puerto Rico at start are required; relocation is not offered. The program runs July through December with mentorship and hands-on project work in a collaborative environment.

Qualifications

• High School diploma or equivalent; pursuing a Bachelor's degree in Mechanical Engineering or related field.
• U.S. citizenship is required; eligible to access information for this program/contract.

Responsibilities

• Assist in structural, ATF, and dynamics analyses.
• Develop FEA/CFD models for program support across the life cycle.
• Support lead engineers with analysis results through reports and presentations.
• Help create automated workflows for FEA/CFD preprocessing and data management.
• Explore AI/ML techniques to improve model fidelity and analysis turnaround.
• Communicate in English with customers and teammates.

Skills

English proficiency

Problem solving

Education

High School diploma or equivalent

Pursuing Bachelor’s in Mechanical Engineering

Tools

FEA software

CFD software

Job description

Date Posted: 2026-10-01 Country: United States of America Location: US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110 Position Role Type: Hybrid 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: None/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. At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Immerse yourself in a Monday-Friday Co-Op session, that will run from July to December (it is expected students will take this time off from coursework to fully engage with this working mentorship opportunity). This position will sit at our Aguadilla, PR location. You must be residing in Puerto Rico at the time of starting employment. Relocation is not offered.

What you will do:

• Gain knowledge in analysis in areas including, but not limited to, structural, ATF, dynamics.
• Gain knowledge in development of FEA/CFD models for program support throughout the life cycle process.
• Support lead engineers to provide analysis results and recommendations through detailed documentation, formal reports, and presentations for management and customers.
• Support development of automated workflows for FEA/CFD preprocessing, post-processing, and data management through programming and AI tools.
• Explore opportunities to leverage AI/ML techniques to improve model fidelity, accelerate analysis turnaround, or enhance engineering decision-making.
• English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.

Qualifications you must have:

• Requires a High School Diploma or equivalent and student must be pursuing a Bachelor's or advanced degree in Mechanical Engineering or applicable discipline.
• U.S. citizenship is required, as only U.S. citizens are authorized to access the information under this program/contract.

In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment. This position is classified: Hybrid. Employees who are working in Hybrid roles will work regularly both onsite and offsite. This means that responsibilities of the job need to be performed onsite in Aguadilla, Puerto Rico on a regular basis with 3 days onsite and 2 days remote following the schedule assigned by the Manager.

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.