Junior Project Engineer – Green Hydrogen Projects

The applicant will particiate in the development of the company’s green hydrogen project portfolio, proving technical support from early development stage to construction.

Main responsibilities:

  • Gain strong understanding of the state of the art in green hydrogen production.
  • Support senior engineer for setting up supplier base and technical knowledge for key system components.
  • Track, understand and gain expertise on current technical developments in the industry, including related legislation and technical standards where applicable, providing summaries and recommendations for power to gas technologies including:
    • storage
    • compression
    • liquification
    • transportation and distribution
  • Track, understand and gain technical expertise on green hydrogen applications, including related legislation and technical standards where applicable, namely on blending with natural gas and mobility applications.
  • Support on technical system design and optimization, from initial setup conception throughout the various engineering stages, targeting efficiency improvements of green hydrogen projects.
  • Support the definition of the main technological and engineering requirements for the projects.
  • Support on tecno-economic studies and recommendations as required during all project development stages.
  • Other duties as assigned.

Essential Skills:

  • First experience as a mechanical engineer, ideally in the (renewable) energy / chemical / process industry
  • Use of Autocad, MS programs
  • English proficiency

Desirable Skills:

  • Process simulation skills
  • Understanding of engineering and technical requirements applicable to gas production, storage and logistics.
  • Other languages skills (German, Spanish, Italian)
  • GIS software knowledge


  • Ability to work autonomously and proactive attention to detail
  • Curiosity and strong interest to learn
  • Verbal and written communication
  • Ability to work within a team and support team members.


  • BSc/MSc in Mechanical engineering
  • Specialization on fluids, energy, materials or similar is a plus

Other requirements:

  • Driver’s license and availability to travel

How to apply?

If you are interested in joining us in Matosinhos – Portugal, please send your CV and cover letter to jobs@smartenergy.net. Applications are evaluated on a continuous basis until the ideal candidate is found.

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