Product Design Engineer – fluent German (m/f/d)

Molex Connectivity GmbH in Walldorf is a key European engineering and manufacturing site within the Molex organization, focused on precision interconnects, optical modules and customer‑specific assemblies. Our local teams combine product development, process engineering and production expertise to bring innovative and durable solutions from prototype to high‑volume manufacturing.

Are you an inventive engineer driven by solving complex problems and bringing cutting‑edge product designs to life? At Molex, we are looking for a passionate Product Development Engineer to join our High Voltage Connector team, where your expertise in fundamental engineering principles and critical thinking will directly influence the development of advanced, high‑performance products.

In this role, you will leverage powerful design tools such as CAD, tolerance analysis, FEA, FMEA, and DVP&R to create innovative solutions and overcome technical challenges. You will collaborate closely with cross‑functional teams, take ownership of product designs, and contribute to delivering outstanding results within schedule, supported by mentorship from experienced leaders.

What You Will Do

• Support concept development, ensuring designs are manufacturable, cost‑effective, and meet customer requirements.
• Conduct DFMEA, FEA, tolerance analysis, and other analytical studies with guidance from senior engineers.
• Create and maintain product models and drawings using GD&T, ensuring proper datum selection, dimensioning, and tolerancing, with support from experienced engineers.
• Assist in documenting project scope, requirements, feasibility, and engineering work plans.
• Develop test plans (DVP&R) and analyze test results using statistical methods; perform DOE, hypothesis testing, and capability studies.
• Lead root cause analysis using structured problem‑solving methods like 8D, 5 why, and fishbone diagrams with senior guidance.
• Select materials for plastic injection molded and metal stamped components.

Who You Are (Basic Qualifications)

• Bachelor’s degree in Mechanical Engineering or a related field.
• Extensive experience in product design and its workflows.
• Experience using analytical studies (FEA, tolerance stacks, DFMEA, etc.) as part of a product development process.
• Solid knowledge of validation plans and analyzing test results to ensure a product meets performance requirements.
• Demonstrated ability to use structured problem‑solving methods to systematically determine root causes for complex technical issues.
• Ability to travel approximately 20% (international).
• Fluent in English and German.

What Will Put You Ahead

• Product design experience in the automotive industry, preferably in connector design.
• Automotive high‑voltage connector development knowledge and experience.
• Knowledge of resins, metals, engineering tools and processes, and manufacturing processes (injection molding, stamping, plating, assembly).

What We Offer

• Competitive base salary, performance bonuses, and corresponding corporate benefits.
• Company pension plan (betriebliche Altersvorsorge).
• Flexible working arrangements (flexitime, hybrid) and generous annual leave (30 days).
• Onboarding, ongoing training, and clear career development / internal mobility pathways.
• Employee recognition programs, team events and social activities.
• Health & wellbeing resources: EAP, occupational‑health services and ergonomic workplace initiatives.
• Bicycle leasing option (Jobrad – after probation period).