Process Engineer

Are you passionate about making the world green? We are looking for a talented Process Engineer – are you the next star in the Hystar constellation?

Green hydrogen has a central role in a sustainable energy future. We believe that the full potential of renewables can only be realised through large scale energy storage and use of hydrogen for heavy duty transportation and industry.

Hystar is an innovative, high growth spin-off company from SINTEF, one of Europe’s largest independent research organisations. We specialise in high-performance PEM electrolysers for large scale green hydrogen production. We are seeking several ambitious and passionate talents to join our team. As part of Hystar you will have the opportunity to impact the future of the company and develop your own career.


Process Engineer

As a Process Engineer you will work with the rest of the product development team to develop large scale water electrolysis systems to produce renewable hydrogen for transportation, energy and power to gas applications. You will be responsible for the design and development of efficient and safe balance of plant for our PEM electrolyser stacks. 

Both senior and junior candidates are encouraged to apply for this position. Responsibilities and qualification requirements will be adjusted according to experience level, competence, and background.

You will be part of a rapidly growing international team of motivated people who are dedicated to make green hydrogen a competitive alternative to fossil fuels – do you want to make an impact on the future? – Then join us! 


Key responsibilities include the following:

  • Analyse needs to develop and implement the process
  • Conduct material and heat balances of electrolyser systems
  • Sizing and selection of lines, control and safety valves, pumps, and compressors 
  • Responsible for preparing, modifying, and maintaining instrumentation lists', system documentation, and calibration certificates 
  • Develop process flow diagrams and P&IDs
  • Contribute to specification and design of control logic operational and shutdown/startup strategies
  • Conducting design review, liaison with clients and vendors
  • Technical responsible and support for installation, FAT/SAT, and development of commissioning test plans and procedures
  • Perform Safety & Risk assessments (HAZOP / FMECA / LOPA)
  • Contribute to Project Engineer in tenders, studies, and EPC projects
  • Contribute future technology and system development 

Skills and qualification;
The ideal candidate will meet the following requirements:   

  • BSc. or MSc. level degree, preferably in Chemical & Process Engineering or Mechanical Engineering
  • Experience from an interdisciplinary environment with a system focus (electrolysis, fuel cells, chemical industry, oil & gas)
  • Entrepreneurial spirit and prepared to work in a hectic start-up environment 
  • Minimum 3-5 years of experience from oil & gas or process industry
  • Organized, structured, and with an efficient way of working
  • strong cross functional collaboration skills
  • Ability to lead projects and to support commercialization of products and manufacturing
  • Structured and well-organized and with the ability to keep focus under pressure
  • Strong communication and presentation skills

If you have any questions regarding Hystar or the position, please contact our advisor in Gevir Group; Marianne Furru ;  For more information and application see or

We usually respond within a week

Or, know someone who would be a perfect fit? Let them know!


Snarøyveien 20
1364 Lysaker Directions

Shoot for the stars

Hystar is a startup shooting for the stars, and we want the best talents to join us from the very beginning. By becoming one of the first members of our team, you can help shape both the future and the culture of our company.

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