Development Engineer (f/m/d) - PEM Electrolysis

Quest One is a global leader in PEM electrolysis. Our goal is clear: we aim to make a significant impact in reducing greenhouse gases with our electrolyzers. Since our beginnings as a science project in 1997, we’ve grown into a subsidiary of Everllence with around 500 employees across three locations worldwide.

Our mission: Drive climate protection and actively shape the energy transition. Are you ready to join us on this journey?

Our goal: Reduce 1% of the world’s greenhouse gases by 2050. Quest One.

• Development, analysis, and specification of membranes and CCMs for use in PEM electrolysis cells.
• Execution and further development of characterization methods to determine chemical, mechanical, and physical properties.
• Planning and execution of experimental test series, data evaluation, and derivation of actionable recommendations.
• Assessment of new membrane materials and collaboration with suppliers and research partners.
• Support in material qualification for existing and new products.
• Documentation of results, preparation of technical reports, and presentation within an interdisciplinary team.
• Close collaboration with teams in stack development, quality, and production.

• Successfully completed master’s degree or PhD in chemistry, materials science, chemical engineering, process engineering, or a related field.
• Several years of practical experience in the characterization of polymers and composite materials, ideally in the field of fuel cells or water electrolysis.
• Solid knowledge of ion-conducting polymers, especially perfluorinated membranes.
• Confident handling of analytical and mechanical testing methods.
• Independent, structured working style and enthusiasm for interdisciplinary collaboration.
• Good understanding of electrochemical systems, particularly PEM water electrolysis.
• Very good written and spoken English skills; German language skills are an advantage.

• OWNERSHIP – We grow together with Quest One, and you have the opportunity to take active responsibility.
• ONE TEAM – A strong team that sticks together and shapes the future.
• LEARNING – Personal growth is our focus, with numerous development opportunities.

• Flexible work arrangements for a good work-life-balance.
• Regular updates and transparent communication through our town-hall-meetings.
• Buddy program as part of onboarding.
• Daily lunch allowance.
• Attractive employee discounts with Corporate Benefits and FutureBens.
• Free drinks, fruit, and a JobRad for a greener commute.

Do you want to help shape the future with us?
Then apply now at Quest One and become part of a team that truly makes a difference.

At Quest One, we’re looking for people who want to actively help shape the future. What matters to us is your talent and motivation—your background, skin color, religion, gender, sexual orientation, age, or disability doesn’t matter. Our diversity makes us stronger, more creative, and more successful. Together, we grow as a team in an inclusive and sustainable environment where discrimination has no place. Join a global company that values diversity and is committed to equal opportunities.