Principal Structural Engineer, Mechanical Systems, Externals and Nacelle (MSEN) (Hybrid)

Date Posted:

2026-07-28

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

At RTX, the world 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.

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What You Will Do

Pratt & Whitney’s Mechanical Systems, Externals and Nacelles (MSEN) engineering module is seeking a highly motivated Principal Structures Engineer. In this role, you will play a key part in analyzing and optimizing innovative development and production solutions for the world’s most advanced aircraft engines. You will collaborate across design, project, process, product definition, maintenance, overhaul, and repair engineering disciplines.

• Perform structural analysis of both Externals and Mechanical systems hardware through both preliminary & detailed design, validation, certification, and support of manufacturing and operational service.

• Collaborate as the structures subject-matter expert on multi-discipline integrated product teams providing design solutions that balance customer requirements for durability, performance, cost and weight.

• Validation test coverage (both engine and rig) consisting of live monitoring of instrumentation response relative to applicable limits, post processing test data, and evaluation of test data relative to program requirements.

• Brings expert knowledge to in-service field investigations while coaches, reviews, and delegates work to lower-level professionals.

• Use Finite Element Analysis and classical methods for strength, stress/deflection, vibration, fatigue life, and damage tolerance.

• Work to advance technology and improve engineering standard work processes/methods while influences others regarding policies, practices and procedures.

• Document analysis results and present conclusions to leaders and customers.

• English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.

• Travel is up to 10%

Qualifications You Must Have

• Bachelor’s degree in Mechanical, Aerospace, or Civil Engineering.

• 8 years of engineering experience, or an Advanced degree with 5 years of experience.

• Structural engineering background with proficiency in Finite Element Analysis, ANSYS, Workbench, and classical analytical methods.

Qualifications We Prefer

• Master's Degree in Mechanical Engineering or Aerospace Engineering

• Experience with application of mechanical statics, strength of materials, and machine design theories.

• Experience with Aerospace structures and/or components.

• Experience with ANSYS Workbench or equivalent software.

• Working knowledge of NX or equivalent modeling software.

• Experience with GD&T (Geometric Dimensioning & Tolerancing).

• Experience with Teamcenter and writing engineering reports.

What We Offer:

• Employee Scholar Program

Learn More & Apply Now!

What Is My Role Type: 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 role is:

• 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 on a regular basis.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

This requisition is eligible for an employee referral award.  ALL eligibility requirements must be met to receive the referral award.

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.

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