Principal Mechanical Design Engineer – F135 HPC (Onsite)

Location: 17900 Beeline Hwy ~ ADR BLDG, Jupiter, Florida, USA. The role is located in US-FL-JUPITER-ADR.

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.

Privacy Policy and Terms: 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.

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.

What You Will Do

• 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.

Qualifications You Must Have

• 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.

Qualifications We Prefer

• 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

What We Offer

Relocation eligibility

The salary range for this role is 107,500 USD - 204,500 USD.

Hired applicants may be eligible for benefits, including but not limited to,

• medical
• dental
• vision
• life insurance
• short-term disability
• long-term disability
• 401(k) match
• flexible spending accounts
• flexible work schedules
• employee assistance program
• Employee Scholar Program
• parental leave
• paid time off
• holidays

If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.

Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted.

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.

The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.

This position is classified as: Onsite: Employees who are working in Onsite roles will work primarily onsite. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in‑person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote.