Principal Mechanical Design Engineer – Onsite

RTX; East Hartford (CT); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, vision

Life insurance

401(k) match

Paid time off

Job summary

RTX, the world’s largest aerospace and defense company, is seeking a Principal Mechanical Design Engineer for Pratt & Whitney’s HSE ESTO team in East Hartford. You will lead airfoil casting design efforts, review tooling qualifications, and drive risk-based improvements across programs.

This role requires a STEM bachelor’s, 8 years engineering experience (or advanced degree with 5 years), GD&T expertise, and strong leadership to mentor teams and present status to management.

Qualifications

• Bachelor's degree in STEM is required.
• 8 years of engineering experience, or an advanced degree with 5 years of engineering experience
• 2 years of experience in engineering support of development and/or production hardware for gas turbine engine components.
• 2 years of experience with Geometric Dimensioning and Tolerancing (GD&T) in accordance with ASME Y14.5M-1994.

Responsibilities

• Review and disposition airfoil casting tooling qualification packages in accordance with AS 9100 and PW-QA 6078 standards.
• Develop and implement best practices for defect assessment and “Right-size Analysis” using risk-based decision-making processes.
• Lead multi-disciplinary teams, including operations, quality, procurement, and engineering SMEs, to investigate root causes, develop corrective actions, and implement product and process improvements.
• Address time-sensitive quality issues to support engine and module delivery schedules.
• Prepare and execute Class II engineering change packages to improve quality, cost, and producibility metrics.
• Apply Pro-Cert methodology and data-driven decision-making in the Class II engineering change process.
• Drive continuous improvement in product development cycles and the design of next‑generation hardware.
• Provide technical guidance and mentorship to team members to develop delegate approvers for turbine airfoils across programs.
• Present technical content and program status to upper management, program management, and other key stakeholders.
• Travel up to 10% domestically or internationally, as required.

Skills

GD&T

Root cause analysis

Mentorship

Communication

Project leadership

Education

Bachelor’s degree in STEM

Advanced degree with 5 years engineering experience

Tools

Teamcenter

SAP

NX

Job description

Date Posted: 2026-10-26 Country: United States of America Location: US-CT-EAST HARTFORD-K ~ 400 Main St ~ BLDG K 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 Hot Section Engineering Support to Operations (HSE ESTO) team is seeking a Principal Mechanical Design Engineer to join the Turbine Airfoil Casting Team (TACT). In this role, you will play a critical part in ensuring the quality and timely delivery of airfoil castings that are essential to the performance of Pratt & Whitney’s engines. You will lead cross-functional teams, support process improvement initiatives, and mentor team members to enhance technical proficiency.

What You Will Do

• Review and disposition airfoil casting tooling qualification packages in accordance with AS 9100 and PW-QA 6078 standards.
• Develop and implement best practices for defect assessment and “Right-size Analysis” using risk-based decision-making processes.
• Lead multi-disciplinary teams, including operations, quality, procurement, and engineering subject matter experts (SMEs), to investigate root causes, develop corrective actions, and implement product and process improvements.
• Address time-sensitive quality issues to support engine and module delivery schedules.
• Prepare and execute Class II engineering change packages to improve quality, cost, and producibility metrics.
• Apply Pro-Cert methodology and data-driven decision-making in the Class II engineering change process.
• Drive continuous improvement in product development cycles and the design of next‑generation hardware.
• Provide technical guidance and mentorship to team members to develop delegate approvers for turbine airfoils across programs.
• Present technical content and program status to upper management, program management, and other key stakeholders.
• Travel up to 10% domestically or internationally, as required.

Qualifications – You Must Have

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM)
• 8 years of engineering experience, or an advanced degree with 5 years of engineering experience
• 2 years of experience in engineering support of development and/or production hardware for gas turbine engine components.
• 2 years of experience with Geometric Dimensioning and Tolerancing (GD&T) in accordance with ASME Y14.5M-1994.

Qualifications – We Prefer

• Bachelor’s degree in Mechanical or Aerospace Engineering.
• Working proficiency with Teamcenter, SAP, and NX.
• Experience working in the aerospace industry, particularly in a manufacturing environment.
• Previous experience with airfoil design or manufacturing.
• Experience with process improvement initiatives at casting suppliers.
• Strong interpersonal skills and the ability to present technical information to stakeholders.

This position is classified as: 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.

The salary range for this role is 107,500 USD - 204,500 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. 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement. 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.

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.