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

Business Line – Molex Germany

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.

Business Line – Molex Germany

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.

Your Job

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.

Job Location: Wolfsburg OR Munich preferred - Remote in Germany as an option for a great fit!

Our Team

You will be working with engineering, production, operations cross functionally at a global scope. Most of team members within your team are based across the globe. You will directly reporting to the Engineering Manager High Power Europe/India.

At Molex, you will be part of a forward‑thinking culture that values creativity, continuous learning, and pushing the boundaries of technology.

If you are ready to accelerate your career and help shape the future of engineering excellence,

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


• Solid understanding of CAD/3D Modelling, Plastic, and Injection Molding


• Experience using analytical studies (FEA, tolerance stacks, DFMEA, etc.) as part of a product development process


• Solid knowledge of validation plans and analysing 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, 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).

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location.

Who We Are

As a Koch company, Molex is a leading supplier of connectors and interconnect components, drivinginnovation in electronics and supporting industries from automotive to health care and consumer todata communications. The thousands of innovators who work for Molex have made us a globalelectronics leader. Our experienced people, groundbreaking products and leading-edgetechnologies help us deliver a wider array of solutions to more markets than ever before.

At Koch, employees are empowered to do what they do best to make life better. Learn how ourbusiness philosophy helps employees unleash their potential while creating value for themselves and the company.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.