Frauenfeld, CH

Function:  Research & Development
Job Category:  Research & Development

Development Engineer / Senior Development Engineer - Future Fuels

Wärtsilä is a world leader in marine technology and leading the industry's transformation towards a decarbonised and sustainable future. With the world’s widest portfolio and service network, we – Wärtsilians - deliver efficient, safe and sustainable integrated products and solutions to enhance the business of our customers. The opportunities presented through digitalisation and new technologies are offering a new era of shipping. Did you know that shipping is the world’s most efficient mode of transportation and that approximately 90% of world trade is carried by sea?

We want to change the course towards an interconnected and cleaner maritime future and are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies through innovation in technology and services - together. Are you ready to jump onboard?


We are looking for an innovative Development Engineer to become part of Wärtsilä’s 2-Stroke Future Fuels team on a permanent basis. The role is rooted in Switzerland (Frauenfeld), with flexible remote working options. The selected candidate will report directly to the Head of 2-stroke Engine Future Fuels Technology.


Your prime focus will be the development of combustion systems and corresponding fuel injection technologies for Future Fuels, such as (but not limited to) Methanol and Ammonia, for 2-stroke slow-speed marine engines.


Your role and responsibilities 


As a Development Engineer / Senior Development Engineer your day-to-day will be centred around:

  • Defining requirements for future fuel injection systems and technologies, in relation to the combustion system, and collaborating with Technology & Engineering teams for the technology development.

  • Playing a pivotal role in the evolution of fuel injection and combustion systems of 2-stroke slow-speed marine engines enabling them to operate on alternative fuels.

  • Running simulations with 1-D and/or 3-D tools (e.g. GT-Suite, OpenFoam), and conducting experiments and measurements on test rigs and test engines.

  • Coordinating development projects in collaboration with external suppliers and internal customers (such as laboratory test teams and other Expert teams).

  • Analyzing results, preparing reports and presenting the findings both internally and externally, where applicable.


Requirements for the position 

  • Possession of an MSc or PhD in Engineering, or equivalent (ideally in Mechanical engineering or a similar discipline)

  • Robust understanding of internal combustion engines (preferably 2-stroke engines).

  • Excellent understanding of Fluid Mechanics, Mechanical Systems and Thermodynamics.

  • Prior experience with fuel injection and combustion systems (for 2-stroke and / or 4-stroke engines).

  • Proficiency in using Simulation tools and conducting Experiments.


As an ideal candidate, you might also have… 

  • A team player who is equally proficient at working independently.

  • A mindset oriented towards development with a proactive positive attitude.

  • Accountability along with a customer-oriented approach.

  • Comfortable working in a multicultural environment.

  • Fluency in English language, both verbal and written.


We are excited to meet individuals who are keen on propelling the future of fuel technologies. Apply today to help us shape a sustainable future!


Why you and us?  


You are valuated – as your true self. At Wärtsilä we value diversity and are committed to supporting an inclusive work community.  

Your growth is supported. We believe in continuous learning & teamwork. Wärtsilian community has your back when it comes to development opportunities so you can develop beyond your potential. 

You get to make a difference. Innovation and sustainability are important to us. Every day, we put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.  


Contact & next steps 
Submit your application before the deadline through our Careers portal. Applications through email will not be considered. After submitting your application you’ll receive a confirmation email. We try our best to get back to everyone within 2-3 weeks after the application deadline.  



Last application date: 30/09/2023   


At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities. 


This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 17,000 professionals, in more than 200 locations in 68 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com