Principal Mechanical Design Engineer – F135 HPC; Onsite

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.

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.

Pratt & Whitney’s Compression Systems Engineering (CSE) HPC Design group seeks a goal‑oriented, detail‑focused Principal Mechanical Design Engineer to support the F135 Base or ECU HPC Component Integrated Product Teams (CIPTs). The selected candidate will take leadership roles in complex, high‑priority tasks and directly support Integrated Product Team Leader (IPTL) and program managers.

United States of America

US-FL-JUPITER-ADR ~ 17900 Beeline Hwy ~ ADR BLDG

Onsite

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

None/Not Required

Not Required

• Develop innovative and technically sound design solutions that meet program schedule milestones.
• Lead producibility investigations with manufacturing vendors, including EFPRs both remotely and on‑site.
• Lead ECU Design Validation activities, supporting manufacturing coordination and module‑integration efforts.
• Apply advanced 3D modeling tools to refine component‑ and module‑level designs.
• Lead or support field‑incident investigations, including root‑cause analysis and corrective‑action implementation.
• Develop serviceable limits through advanced data‑processing and cross‑discipline collaboration.
• Participate in hands‑on, multi‑week engine tear‑downs at Tinker AFB.
• Collaborate with multidisciplinary IPTs across design, structures, aero, HT&SF, manufacturing, quality, and other modules.
• Lead or assist with safety‑risk analyses and risk‑mitigation planning; present technical results to customers and program management.
• Mentor early‑career engineers within the IPT/CIPT and design organization.
• Improve engineering efficiency using advanced data‑mining, automated tools, and AI.
• Domestic travel of 10–20% may be required.

• BS in Mechanical or Aerospace Engineering and 8+ years of relevant experience, or
• Advanced degree with 5+ years of mechanical‑design experience
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

• Excellent communication and interpersonal skills
• Familiarity with Agile/Scrum tools
• Broad understanding of engine hardware, 2D drawings, MBD, and manufacturing methods
• Experience with rotating hardware and airfoils
• Advanced data‑management and processing skills
• Ability to leverage AI tools for improved engineering results
• Ability to work in fast‑paced environments with strong attention to detail
• Proficiency with NX, Teamcenter, engineering standard work, SAP, Class I & II EC processes
• ANSYS experience desired

• Relocation eligibility

Compression Systems Engineering is responsible for the design, development, and in service support of all fans low-pressure and high-pressure compressors for commercial and military engine models. CSE is responsible for the identification and maturation of new technologies for these products.

Technical…