Senior Mechanical Systems Design Engineer (Onsite)

globalhr; East Hartford (CT); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Relocation eligibility

Job summary

RTX's Pratt & Whitney division is seeking a Senior Mechanical Systems Design Engineer to support the MSEN team through planning, execution, and mentorship of engineers. You will define subtask design work and schedule, provide technical guidance, and coordinate with PD on redline updates and handoffs.

You will also contribute to engine builds, MRO site support, and EKS content, mentoring P1/P2 engineers while driving a robust technical path and delivering high-quality part designs.

Qualifications

• Bachelor’s degree in Mechanical Engineering with 5+ years of relevant experience or advanced degree with 3+ years of relevant experience.
• Experience delivering mechanical design projects.
• Proficiency in CAD software (SolidWorks/AutoCAD or similar).

Responsibilities

• Execute design subtasks independently for SME review and approval, guiding P1/P2 engineers.
• Define schedule, risks, and opportunities for design paths and drive closure.
• Provide disposition recommendations for customer fleet issues in a timely manner.
• Coordinate with PD on redline updates and ensure clear handoffs.
• Make independent design decisions using hardware knowledge and analysis outputs.
• Mentor junior engineers and contribute to EKS content updates.

Education

Bachelor's degree in Mechanical Engineering

Advanced degree in related field

Tools

SolidWorks

AutoCAD

Job description

Date Posted:

2026-09-09

Country:

United States of America

Location:

US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC

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.

Senior Mechanical Systems Design Engineer.

In this role, you will support our Mechanical Systems, Externals, & Nacelles (MSEN) Engineering organization through planning and execution of design tasks, upward communication of status/risks, and mentoring of team members.

What You Will Do:

• Execute design subtask work independently for Subject Matter Expert (SME) review and approval, while providing technical guidance to P1/P2 engineers and Outsourcing.
• Help define the schedule, risks, and opportunities for Design technical path for sub-tasks and drive them to closure.
• Execute with urgency to provide recommended disposition to SME for customer fleet issues
• Coordinate with PD on redline updates and ensure clear, timely communication of handoffs.
• Make independent design decisions using Design Discipline skills, hardware knowledge, and analysis outputs to shape part designs. Provide design to SME for their review.
• Contribute to Engineering Knowledge System (EKS) content updates
• Support engine builds and teardowns and Engine Centers and Maintenance, Repair, and Overhaul (MRO) sites
• Travel up to 20% (Domestic and International).

What You Will Learn:

• Strengthen technical depth in key Design Discipline areas, including influencing small assembly design, understanding manufacturing/drawing relationships, and gapping.
• Engage cross‑disciplinary teams, including system-level impacts and integrating structural, thermal, and secondary‑flow inputs.
• Integrate components within a Bearing Compartment, including complex castings, forgings, machinings, bearings, carbon seals, and secondary seals.
• Integrate design needs across multiple hardware types and neighboring module centers.
• Communicate effectively with System Integrated Product Team (SIPT), Component Integrated Product Team (CIPT), and discipline chiefs, including presenting risks and mitigations.
• Mentor junior engineers (P1/P2) and oversee calculations, layouts, and technical development.
• Independently plan and execute the technical path for medium-scale sub-tasks.

Qualifications You Must Have:

• A Bachelor’s degree in Mechanical Engineering or a related field and 5 years of relevant experience; or an Advanced degree in a related field and 3 years of relevant experience. Relevant experience in mechanical design engineering with a proven track record of delivering successful projects.

Qualifications We Prefer:

• Proven track record of mentoring and providing strategic technical guidance to engineers to elevate team performance and accelerate skill development, including oversight of calculations, layouts, and EKS.
• Experience with Design or Modeling of Bearings, Carbon Seals, complex Castings, Machinings, and Forgings.
• Experience in Lubrication Systems or Thermal Management Systems (TMS).
• Excellent problem-solving skills and the ability to work collaboratively in a team environment.
• Capability to independently execute multiple tasks, lead projects, and support resource planning with strong decision‑making ability using hardware understanding, analysis, interpretation, and system‑level awareness.
• Proficiency in CAD software (e.g., SolidWorks, AutoCAD, or similar).Strong understanding of engineering principles, materials, and manufacturing processes.

What We Offer:

• Eligible for Relocation.

Department/Segment Overview:

Mechanical Systems, Externals, & Nacelles (MSEN): The MSEN organization 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. Technical disciplines include Project Engineering, Mechanical Design, Structural Analysis, Product Definition, System Modeling, Mechanical Design analysis for bearings, gears, and seals, and fluid-thermal modeling of associated components and systems.

Please ensure the role type defined below is appropriate for your needs before applying to this role. 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 therole 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 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. 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. 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.

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