Key Account Manager (f/m/d) in Hamburg

Our Mission

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 Volkswagen Groupwith 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.

Your Responsibilties

• Develop and manage key accounts across refineries, green steel, utilities, EPCs, and industrial hydrogen sectors.
• Build and maintain strong relationships with senior stakeholders across industrial players, utilities, EPC contractors, and project developers.
• Identify and originate new business opportunities, including pilot projects, Power-to-X applications, and early-stage collaborations.
• Develop and manage strategic partnerships with EPCs to position the company in large-scale project tenders and consortia.
• Drive the development of long-term commercial agreements and framework partnerships.
• Lead the sales process from opportunity identification through to contract signature, including consortium-based bids.
• Collaborate closely with the VP Sales on strategic account planning, partner selection, and deal structuring.
• Work cross-functionally with engineering, project development, and finance teams to shape bankable project concepts.
• Monitor market trends, regulatory developments, and competitive landscape within industrial hydrogen, utilities, and EPC ecosystems.
• Represent the company at industry events and with key external stakeholders.

What You Bring

• Bachelor’s or Master’s degree in Engineering, Business, or a related field.
• Solid experience in key account management, business development, or sales within energy, utilities, EPC, industrial gases, hydrogen, or related sectors.
• Strong network within refineries, utilities, EPCs, steel, or industrial decarbonization sectors is highly desirable.
• Proven track record of developing and closing complex, high-value deals, including consortium or EPC-led projects.
• Experience with large-scale infrastructure, energy systems, or utility-scale projects is a strong advantage.
• Strong commercial acumen and ability to structure complex partnerships and multi-party agreements.

Why Quest One?

• 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.

Your Benefits

• 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?

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.