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

Prattwhitney; Aguadilla (PR); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Employee Scholar Program

Job summary

Pratt & Whitney, a RTX company, seeks a Principal Project Engineer onsite in Aguadilla, PR. You will lead an IPT, guiding design, validation, production, and sustainment with emphasis on risk management and schedule adherence.

The role requires a bachelor’s in mechanical or aerospace engineering with 8 years of experience or an advanced degree with 5 years, plus PM experience and U.S. citizenship for security clearance.

Qualifications

• Bachelor’s degree in Mechanical or Aerospace Engineering with 8 years of engineering experience, or advanced degree with 5 years.
• 5 years of project management experience; U.S. citizen with ability to obtain security clearance.
• Preference for CAM experience, Agile, Lean Six Sigma, and prior DoD program work; active secret clearance preferred.

Responsibilities

• Lead cross‑functional IPTs for part‑level ownership across the lifecycle (design to sustainment).
• Manage budgets, schedules, and technical metrics; track CIPT goals.
• Coordinate engineering changes, supplier reviews, and field investigations as needed.
• Communicate status, risks, and needs to engineering and program management.

Skills

Project management

Leadership

Agile methodologies

Risk management

Cross-functional teamwork

Education

Bachelor's degree in Mechanical or Aerospace Engineering

Advanced degree in Mechanical or Aerospace Engineering

Tools

CORE/Lean Six Sigma

QCPC processes

Job description

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.

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

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.

Equal Opportunity

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.