Senior Mechanical Design Engineer – F135 HPC (Onsite)

Pratt & Whitney; Florida; On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation eligibility

Medical insurance

Dental insurance

Vision care

Life insurance

Disability insurance

401(k) match

Flexible work schedules

Employee assistance program

Scholar program

Job summary

Pratt & Whitney, a world leader in aircraft engines, seeks a Senior Mechanical Design Engineer for the CSE HPC Design group. The role supports F135 Base or ECU CIPTs, leading high-priority tasks and guiding IPTLs and program managers.

You will apply advanced 3D modeling, lead producibility efforts, and coordinate module integration. Travel 10–20% may be required, with mentorship of junior engineers and AI-driven efficiency improvements.

Qualifications

• BS in Mechanical or Aerospace Engineering with 5+ years of relevant experience, or advanced degree with 3+ years in mechanical design.
• U.S. citizenship is required to access information under this program/contract.

Responsibilities

• Develop and refine component- and module-level designs using advanced 3D modeling.
• Lead producibility initiatives and EFPRs, on-site or remotely.
• Support ECU design validation activities and integration coordination.
• Apply data-processing methods for serviceable limits and analysis.
• Lead or support engine tear-down investigations at times.
• Collaborate with multidisciplinary IPTs across design, structures, aero, HTSF, manufacturing and quality.
• Present technical results to customers and program management.

Skills

Mechanical design

Aerospace engineering

3D modeling

NX

Teamcenter

SAP

ANSYS

Agile/Scrum

Engine hardware

Data management

Education

BS in Mechanical or Aerospace Engineering

Advanced degree with 3+ years of mechanical-design experience

Tools

NX

Teamcenter

SAP

ANSYS

Job description

Date Posted: 2026-09-14

Country: United States of America

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

Position Role Type: Onsite

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 Type: None/Not Required

Security Clearance Status: Not Required

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 Senior Mechanical Design Engineer to support the F135 Base or ECU HPC Component Integrated Product Teams (CIPTs). The selected candidate will take support and leadership roles in high‑priority engineering tasks and directly assist Integrated Product Team Leader (IPTL) and program managers.

What You Will Do

• Across Base and ECU programs, you will:
• Develop innovative and technically sound design solutions that meet program schedule milestones.
• Lead or support producibility initiatives, including EFPRs performed remotely or on‑site.
• Support ECU Design Validation activities, including EFPRs and module‑integration coordination.
• Apply advanced 3D modeling tools to develop and refine component‑and module‑level designs.
• Lead or support military field‑incident investigations, including root‑cause analysis.
• Develop serviceable limits using advanced data‑processing methods and multi‑discipline collaboration.
• Participate in multi‑week engine tear‑downs at Tinker AFB.
• Collaborate with multidisciplinary IPTs across design, structures, aero, HT&SF, manufacturing, and quality.
• Support the creation of safety‑risk analyses and risk‑mitigation plans; present technical results to customers and program management.
• Mentor and support early‑career engineers.
• Improve engineering efficiency through advanced data‑mining, smart tools, and AI.
• Domestic travel of 10–20% may be required.

Qualifications You Must Have

• BS in Mechanical or Aerospace Engineering and 5+ years of relevant experience, or
• Advanced degree with 3+ 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 project‑management tools
• Understanding of engine hardware, 2D drawings, MBD, and manufacturing methods
• Solid data‑management and processing skills
• Ability to leverage AI tools for improved engineering results
• Ability to work in fast‑paced environments with attention to detail
• Experience with NX, Teamcenter, engineering standard work, SAP, Class I & II EC processes
• ANSYS experience desired

What We Offer

• Relocation eligibility
• 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
• annual short-term and/or long-term incentive compensation programs

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

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 disciplines in CSE include Project Engineering, Mechanical Design, Structural Analysis, and Product Definition.

Please consider the following role type definition as you apply for this role.

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.

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.