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Project Engineer – Electrolyser Stack Development

Alquion

Schiedam
Full-time
2-5 years experience
On-site

€4,000 - €5,500 per month

Key Skills

Project Engineering
Product Development
Electrolyser Stack Development
Prototype Development
Product Testing
Industrialisation
Manufacturing Readiness
Cross-Functional Coordination
Requirements Management
Supplier Management
Budget Management
Technical Drawing Interpretation
Mechanical Engineering
Chemical Engineering
Electrical Engineering
Industrial Engineering

Job Description

Apply now Apply now About The Role As a Project Engineer, you will be part of the Projects Team. Your base is our Schiedam office, with regular commute to our Eindhoven office, where you will work closely with our stack design, engineering and research teams. This role will be all about facilitating the design, assembly, and iteration of our electrolyser stacks and stack components. As we are developing our Flexolyser for market introduction, our stacks go through multiple development steps and TRL levels, from prototype scale to full-size industrial stacks. In your role you will start by driving the development and test cycles of our prototype and full-scale stacks and ultimately help to mature the stack design into our commercial, mass-manufactured product with our partner VDL. What We Offer We work in an innovative environment with an international team of people coming from different industries, now all invested in making our technology work. We offer you a position in which you will have an important contribution to our mission to ‘Secure Europe’s Energy Future’, including the following: A competitive salary, ranging from € 4.000 - € 5.500 gross per month (medior position) 27 leave days Pension scheme, with a 15% contribution, 50-50 split by employer and employee Holiday allowance of 8%, paid out monthly Travel allowance of € 0,23 cm/km with green mobility (and € 0,16 cm/km for fuel based) Training budget Laptop and iPhone Contributing directly to the energy transition and help commercialize innovative technology Mentorship from experienced professionals A lot of autonomy and freedom to have ownership of your role. You will work with an international team of fun and bright colleagues with professional backgrounds in various top companies and institutes, check us out on LinkedIn. Alquion is an Equal Opportunity Employer and welcomes Diversity! Your Main Responsibilities Are Coordinate the design and iteration cycles of our electrolyser stacks and stack components, from prototype scale to full-size industrial stacks. Be the daily point of contact between stack design, engineering, research, testing and manufacturing, making sure requirements, interfaces and decisions are aligned Support our research teams in planning and executing their experiments, test campaigns and prototype builds Manage planning, budget, suppliers and changes for stack prototypes and development activities Help develop the stack towards our commercial product, with a focus on manufacturability, cost, quality and scalability for mass manufacturing About You You prefer working in a hands-on technical environment, where safety plays a central role. You understand the full product development cycle, from requirements and concept design to prototype, testing and industrialisation, and you possess the skills needed to deliver results within ambitious timelines. You keep the overview of how choices in one part of the stack affect the product as a whole, and you are able to apply a multi-disciplinary view on improving the design of the Flexolyser. You enjoy working in a complex technical environment with a team and easily connect with designers, researchers and engineers as well as technicians, suppliers and manufacturing partners. You thrive in an environment of growth that comes with continuous change and ambiguity that requires great teamwork and dedication to peak workloads at time, as this will also bring great personal development opportunities. What You Bring 3-5 years of relevant experience in a product development environment, for example in high-tech, energy, automotive or industrial equipment (or similar) Mechanical, chemical, electrical or industrial engineering (or similar) degree, HBO/WO Hands-on experience with developing physical products from prototype towards series production, for example as a product, development or project engineer, or in product management Capability to read core engineering documents (like technical drawings, specifications, test reports, etc.) Nice to have: experience with electrochemical systems (electrolysers, fuel cells, batteries), hydrogen or pressurized systems Interested? If you think you are the right fit with the right motivation, we can’t wait to receive your application. You can apply by sending your resume and motivation to [email protected]. Do you want more info? Please contact our HR Manager, Esther Buitelaar, via [email protected]. Apply now Apply now © 2026 Alquion Alquion is powered by We Work In An Innovative Environment With An International Team Of People Coming From Different Industries, Now All Invested In Making Our Technology Work. We Offer You a Position In Which You Will Have An Important Contribution To Our Mission To ‘Secure Europe’s Energy Future’, Including The Following: A competitive salary, ranging from € 4.000 - € 5.500 gross per month (medior position) 27 leave days Pension scheme, with a 15% contribution, 50-50 split by employer and employee Holiday allowance of 8%, paid out monthly Travel allowance of € 0,23 cm/km with green mobility (and € 0,16 cm/km for fuel based) Training budget Laptop and iPhone Contributing directly to the energy transition and help commercialize innovative technology Mentorship from experienced professionals A lot of autonomy and freedom to have ownership of your role. You will work with an international team of fun and bright colleagues with professional backgrounds in various top companies and institutes, check us out on LinkedIn. Alquion is an Equal Opportunity Employer and welcomes Diversity! Your Main Responsibilities Are Coordinate the design and iteration cycles of our electrolyser stacks and stack components, from prototype scale to full-size industrial stacks. Be the daily point of contact between stack design, engineering, research, testing and manufacturing, making sure requirements, interfaces and decisions are aligned Support our research teams in planning and executing their experiments, test campaigns and prototype builds Manage planning, budget, suppliers and changes for stack prototypes and development activities Help develop the stack towards our commercial product, with a focus on manufacturability, cost, quality and scalability for mass manufacturing What You Bring 3-5 years of relevant experience in a product development environment, for example in high-tech, energy, automotive or industrial equipment (or similar) Mechanical, chemical, electrical or industrial engineering (or similar) degree, HBO/WO Hands-on experience with developing physical products from prototype towards series production, for example as a product, development or project engineer, or in product management Capability to read core engineering documents (like technical drawings, specifications, test reports, etc.) Nice to have: experience with electrochemical systems (electrolysers, fuel cells, batteries), hydrogen or pressurized systems Interested? If you think you are the right fit with the right motivation, we can’t wait to receive your application. You can apply by sending your resume and motivation to [email protected]. Do you want more info? Please contact our HR Manager, Esther Buitelaar, via [email protected].

Core Responsibilities

Coordinate the design, development, testing, and iteration of electrolyser stacks and components, from prototypes through full-scale industrial stacks. Align design, engineering, research, testing, and manufacturing teams while managing development plans, budgets, suppliers, and changes to prepare the product for scalable commercial production.

Requirements

Applicants should have 3–5 years of relevant product development experience and a degree in mechanical, chemical, electrical, or industrial engineering, or a similar field. They should have hands-on experience taking physical products from prototype toward series production and be able to interpret engineering documents; experience with electrochemical, hydrogen, or pressurised systems is an advantage.

Benefits

  • 27 Days Of Leave
  • Pension Scheme
  • 8% Holiday Allowance
  • Travel Allowance
  • Training Budget
  • Laptop
  • iPhone
  • Mentorship
  • Autonomy And Ownership

About Alquion

Industry: Energy Technology

Company size: 11-50 employees

Alquion is a cleantech scale-up formed by the merger of Battolyser Systems and VDL Hydrogen Systems that develops & manufactures the Flexolyser®, the first fully flexible pressurized alkaline electrolyser for industrial applications. Flexolyser can switch on and off following intermittent renewable energy, procuring hydrogen when power prices are low and selling electricity when prices are high, improving project IRR with 40-80%. The technology can switch on and off multiple times per day without performance compromise, procuring hydrogen when power prices are low and selling electricity when prices are high. This unlocks new power trading business models and flexible grid services, lowering the cost of locally produced green hydrogen below the cost of import.

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