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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 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.

Your Responsibilties

  • Lead, mentor, and develop the Business Development and Key Account Management team, including target setting, performance management, coaching, and professional development.
  • Manage and support the Business Development Managers in identifying, qualifying, and maturing strategic hydrogen opportunities from early-stage engagement through handover to Sales.
  • Define and execute the company’s business development and key account strategy for hydrogen markets and emerging applications.
  • Build and maintain executive-level relationships with Oil & Gas majors, industrial customers, EPCs, developers, utilities, investors, regulators, and strategic partners across the hydrogen ecosystem.
  • Act as senior commercial interface for strategic and global key accounts, ensuring long-term customer engagement and partnership development.
  • Represent the company at conferences, trade fairs, industry forums, and public events, including participation as guest speaker, panelist, or company representative.
  • Ensure strong collaboration between Business Development, Key Account Management, Sales, Product Management, Engineering, Project Execution, Strategy, and Finance.
  • Monitor hydrogen market developments, policy changes, competitor activities, technology trends, and customer needs to identify new business opportunities and strategic risks.
  • Support strategic negotiations, partnership discussions, memorandums of understanding (MoUs), and framework agreements with strategic customers and partners.
  • Provide regular reporting to senior management regarding pipeline development, key account activities, market trends, strategic opportunities, and team performance.

What You Bring

  • Bachelor’s or Master’s degree in Engineering, Business Administration, Economics, Energy Management, or related field.
  • Several years of experience in business development, strategic sales, key account management, or commercial leadership within the hydrogen, Oil & Gas, energy, industrial gas, renewable energy, or infrastructure sectors.
  • Proven leadership experience managing Business Development and/or Key Account teams.
  • Strong network and experience working with Oil & Gas majors and large industrial customers.
  • Strong understanding of the hydrogen market, energy transition landscape, electrolyzer technologies, and industrial decarbonization trends.
  • Demonstrated ability to build strategic partnerships and manage complex stakeholder environments.
  • Experience working with EPCs, developers, utilities, industrial customers, and public sector stakeholders.
  • Strong communication, negotiation, and presentation skills, including executive-level engagement.
  • Entrepreneurial mindset with strong commercial acumen and strategic thinking capabilities.
  • Willingness to travel internationally.
  • Fluent in English; additional languages are an advantage.

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?
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.