Mechanical Design Engineer (PL)

Want to leverage your expertise and help us develop exciting technologies to drive the energy transition forward? If so, we want you on our team!

Exion Hydrogen is a pioneering company committed to crafting world-class water electrolyzers.

In Poland, we have our headquarters and manufacturing plant, including the warehouse and the service and distribution center. Manufacturing includes as well the production engineering as the physical building and testing of these state-of-the-art systems, and all the supporting processes.

In Belgium, we’re at the forefront of basic technological and system research, product development, and market engagement.

Join us in shaping the future of energy:

In a nutshell

  • Job purpose: Translate process engineering data into physical equipment design
  • Location: Gdańsk, Poland
  • Date: October 2023

Main job actions & results

  • Requirements Translation
    Review company and customer product requirements, converting them into technical solutions while adhering to ISO-22734 standards.
  • Expert Calculations
    Conduct structural, thermal, and tolerance-based calculations to ensure robust product design.
  • Regulatory Compliance
    Stay up-to-date and comply with all relevant regulations and standards.
  • Design Expertise
    Create sketches and detailed designs, from individual components to full assemblies, incorporating input from the engineering team.
  • Technical Documentation and Piping & Instrumentation Diagrams
    Prepare the technical documentation to facilitate technical evaluations, make instrument data sheets and loop diagrams, and implement instrument detail design on P&ID’s.
  • 3D Design Support
    Generate 3D drawings to aid the engineering team in visualizing and refining product designs.
  • 2D Design for Manufacturing
    Produce 2D drawings tailored to provide clear, actionable guidance for the manufacturing team.
  • Manufacturing Liaison
    Work closely with the manufacturing team, offering technical insights and hands-on support throughout the production process.
  • Workflow Management
    Oversee and streamline workflows to optimize efficiencies and product quality.
  • Supplier Collaboration
    Engage with suppliers to obtain necessary technical information and ensure product compatibility.
  • Subcontractor Oversight
    Ensure that subcontracted engineering tasks meet the company’s quality and technical standards.

Required skills & expertise

  • Industry Experience
    Minimum of 3 years in an engineering capacity within a production environment.
  • CAD Proficiency
    Skilled in 2D and 3D CAD design, with a preference for experience in Solid Edge.
  • Regulatory Knowledge (Advantageous)
    Familiarity or experience with the following directives and standards:
    • Pressure Equipment Directive 2014/68/EU
    • Machinery Directive 2006/42/EC
    • ATEX Directive 2014/34/EU
    • ASME Boiler and Pressure Vessel Code – Section VIII Div 1
    • ASME B31.3 Process Piping
  • Creative and flexible in approach, able to innovate and adjust to dynamic environments.
  • Language Proficiency
    Good proficiency in Polish and a strong command of the English language is essential.
  • Technical Skills
    Proficient in using MS Office suite for efficient documentation and communication.
  • Driving License
    Category B.


  • Private medical care
  • Life insurance
  • Sharing the costs of sports activities
  • Sharing the costs of professional training and courses
Candidates (M/F/X) should possess a Master’s degree in Engineering or an equivalent qualification. While this position does not involve managing direct reports, it is a full-time role. The assignment occasionally requires travel, estimated at about 5% of the time.

Three Exion teammembers discussing business
An Exion employee working on an Exion Hydrogen unit

Join our team

At Exion Hydrogen, we pride ourselves on fostering a flexible and dynamic workspace bursting with opportunities for personal and professional growth.

While we cherish collaboration and teamwork, we recognize and value your unique skills and contributions. Your well-being is paramount to us, and while we are committed to achieving ambitious milestones, we believe a playful and positive attitude is vital.

At Exion Hydrogen, we promote a diverse workforce which embraces all social identities and is free of any discrimination. We commit to giving everyone equal access to opportunity regardless of race, sex or religion and create an environment that acknowledges and harvests different experiences, skills and perspectives.

Interested in being a part of our transformative journey? Apply today!

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International standards

✔️ ISO 22734-1: 2008 Hydrogen generators using water electrolysis process -Part 1: Industrial and commercial applications

✔️ IEC 60204-1:2005 Safety of machinery –electrical equipment of machines –part 1 general requirements

✔️ IEC 61439-1:2011 Low voltage switchgear and control gear assemblies –part 1: general rules

✔️ IEC 61439-2:2011 Low voltage switchgear and control gear assemblies –part 2: power switch gear and control gear assemblies

✔️ IEC 60634-5-52:2009 Selection and erection of electrical equipment –wiring systems

✔️ IEC 61000-6-2:2005 EMC Part 6.2 generic standards –immunity for industrial environments

✔️ IEC 61000-6-4:2006 EMC part 6.4 generic standards -emission standard for industrial environments

✔️ EN 50160: 2019 Voltage characteristics of electricity supplied by public electricity networks

✔️ ISO 12944-5:2018 Paints and varnishes. Corrosion protection of steel structures by protective paint systems Protective paint systems

✔️ ASME Boiler and Pressure Vessel Code section VIII Div 1-ASME B31.3 Process piping-Standard for maintenance ails & escape roads

European Directives

✔️ Machine Directive 2006/42/EC

✔️ Low Voltage Directive 2014/35/EU3

✔️ ATEX 137 1999/92/EC4

✔️ Electromagnetic compatibility 2014/30/EU5

✔️ Pressure equipment Directive 2014/68/EU (PED)