Senior Mechanical Systems Design Engineer (Onsite)

RTX (Raytheon); East Hartford (CT); On-site; USD 130,000 - 155,000; Full time

Job summary

RTX is seeking a Senior Mechanical Systems Design Engineer to support the MSEN organization, planning and executing design tasks, communicating risks, and mentoring junior team members. The role involves designing bearing compartments, rotors, and externals, with CAD proficiency in SolidWorks or AutoCAD.

Ideal candidates hold a Mechanical Engineering degree with 5+ years of relevant experience, strong problem-solving, and the ability to lead multiple tasks while coordinating with SIPT/CIPT

Qualifications

• Bachelor's degree in Mechanical Engineering with 5 years of mechanical design experience, or advanced degree with 3 years of experience.
• Experience delivering successful mechanical design projects.

Responsibilities

• Execute independent design subtasks for SME review and guidance to engineers.
• Define schedules, risks, and opportunities for design tasks and drive to closure.
• Support engine builds, teardowns, and MRO sites; communicate handoffs clearly.

Skills

Mentoring

Cross-functional collaboration

CAD software

Education

Bachelor's degree in Mechanical Engineering

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.

Pratt & Whitney is seeking a 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 a