Senior Mechanical Engineer - Injection Molding & NPI Leader

PeopleShare by PROMAN; Mount Laurel Township (NJ); On-site; USD 140,000 - 155,000; Full time

Job summary

PeopleShare by PROMAN is seeking a Principal Mechanical Engineer in Mount Laurel, NJ to lead complex injection-molded product development from concept to production. The role blends hands-on engineering, technical leadership, and NPI ownership while mentoring a small team and ensuring readiness for manufacturing launches.

The ideal candidate has 10+ years in mechanical design, with 5+ years in NPD, and strong CAD/FEA skills. Travel ~10% and compliance with regulations are expected.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field; Master’s degree preferred.
• 10+ years mechanical design experience with at least 5 years in NPD.
• Experience leading increasingly complex projects or teams.
• Experience with injection-molded parts, tooling considerations, and DFM/DFA through production launch.
• Knowledge of GD&T, materials, and manufacturing processes.

Responsibilities

• Lead engineering direction, design decisions, and technical strategy for new customer-driven injection molded products.
• Review customer concepts, CAD models, assemblies, drawings, and requirements to advise on DFM, tooling approach, cost, and production readiness.
• Own mechanical development from concept through EVT/DVT/PVT and production launch.
• Support tooling and production pricing by assessing part complexity, materials, tolerances, cycle time, cavitation, and secondary operations.
• Mentor and guide a small team of mechanical engineers and designers; review work and elevate design quality.
• Build and evaluate prototypes using machining, 3D printing, and soft tooling.
• Partner cross-functionally with engineering, sales, manufacturing, quality, and supply chain teams.
• Work with mold makers, contract manufacturers, and suppliers to optimize part design, tooling design, and mold construction.
• Perform tooling DFM reviews with suppliers (gate/runner, parting lines, shutoffs, venting, ejection, mold flow, inspection).
• Lead tooling launch, sampling, validation, and production release on the floor, including ISO 8 cleanroom molding when applicable.
• Improve design processes, standards, and best practices across the engineering organization.
• Adhere to federal and state regulations and company policies.

Skills

Injection-molded design

3D CAD

DFM/DFX

Project leadership

Materials & GD&T

Production launch experience

Overseas supplier experience

Education

Bachelor’s degree in Mechanical Engineering

Master’s degree preferred

Tools

SolidWorks

Creo

NX

FEA software

Job description

PeopleShare by PROMAN is seeking a Principal Mechanical Engineer in Mount Laurel, NJ to lead complex injection-molded product development from concept to production. The role blends hands-on engineering, technical leadership, and NPI ownership while mentoring a small team and ensuring readiness for manufacturing launches.

The ideal candidate has 10+ years in mechanical design, with 5+ years in NPD, and strong CAD/FEA skills. Travel ~10% and compliance with regulations are expected.