Principal Project Engineer, Mechanical Systems, Externals and Nacelles (Onsite)

Date Posted:

2026-10-08

Country:

United States of America

Location:

US-PR-AGUADILLA-110 ~ Rd 110 N Km 28.8 ~ RD110

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance:

DoD Clearance: Secret

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

 As a Principal Project Engineer, you will provide leadership and project management to a cross‑functional Integrated Product Team (IPT) responsible for part‑level ownership throughout the entire lifecycle—design, validation, production, and field sustainment. You will guide technical execution, manage program commitments, and ensure the team meets Component Integrated Product Team (CIPT) goals.

• Lead IPT activities across design, structural analysis, durability, aero, materials, and manufacturing engineering.
• Drive technical execution and program performance, including risk management, issue resolution, and key review readiness.
• Plan and manage budgets, schedules, and technical metrics in collaboration with the CIPT.
• Serve as the part‑level owner, accountable for communication, risk closure, and alignment to program requirements.
• Partner with CIPT leadership to communicate status, risks, and needs to engineering and program management.
• Coordinate engineering design updates and changes (Class I & Class II Engineering Changes).
• Oversee development and sustainment activities such as supplier and manufacturing reviews, engine build‑test‑teardown events, ACIs (Analytical Condition Inspections), FMRs (Failure Malfunction Reports), MERLIN field inquiries, and deviation requests.
• Support field investigations and production delivery troubleshooting as needed.
• English (read, write, speak) is required when communicating with customers, co-workers, or supervisors who only speak English.
• Travel up to 10% domestically.

 

Qualifications You Must Have

• Bachelor’s degree in Mechanical or Aerospace Engineering
• 8 years of engineering experience or Bachelor’s degree in Mechanical or Aerospace Engineering with an advanced degree and 5 years of engineering experience.
• 5 years of project management experience
• U.S. Citizen - The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Prior experience as a Control Account Manager (CAM) and familiarity with bid and proposal cost estimating for military programs.
• Experience with AGILE methodologies.
• Knowledge of CORE, Lean Six Sigma, and QCPC processes.
• Active secret clearance.

What We Offer:

• Employee Scholar Program

 

Learn More & Apply Now!

• Mechanical Systems, Externals, and Nacelles Engineering is responsible for the design, development and in service support of power transmission systems, bearing compartment and rotor support design and analysis, oil and thermal management systems, engine externals packaging and architecture, as well as nacelles for commercial and military engine models.

 

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:

• 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. 

 

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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