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Drunen, NL

Function:  Research & Development
Job Category:  Research & Development

Junior CFD Expert

Wärtsilä is looking for a Junior Computational Fluid Dynamics Expert to join our engineering team. Working on a more sustainable future through propulsion upgrades of the world’s largest vessels.


In this position, you will be responsible for the complex hydrodynamic analyses of ship propellers and related energy saving devices. On a typical day, you might be starting with evaluating your CFD analyses and discuss the results, and possible optimizations, during the day with the Hydrodynamic Design Engineer. The goal is to have the best possible CFD analyses for upgrades of ship propulsion systems in order to reduce fuel consumption and CO2 reduction.


Our projects are carried out within multidisciplinary teams (Mechanical-, Electrical-, Automation-, and Hydrodynamic Engineering) spread over our main offices in Drunen (The Netherlands) and Finland (Helsinki). The preferred location for this position is our office in Drunen.


You can add extra value in our team if you have a pro-active attitude, solid communication skills and are able to plan, act and deliver in time. 

Your main responsibilities are to:

  • You are responsible for various propulsion related numerical flow simulations like; efficiency, resistance, pressure distribution, cavitation, propeller-hull interaction etc. as part of commercial projects.

  • You will use your knowledge and experience to support our Hydrodynamic Engineers in their development to run more standardized calculations.

  • Assist the Sr CFD Expert with improvements of design methods, processes and products.

  • Carry out non-standard CFD requests. Set-up model and review of results to be done after consulting Sr CFD Expert.

  • Report and present your results to internal customers


Main requirements in this role are:

  • Detailed understanding in numerical hydrodynamical theory, simulation and analyses.

  • Experience from working with STAR CCM+ or Open Foam is appreciated.

  • Scripting experience with python and/or java.

  • A master’s degree in Maritime Technology, Naval Architecture, Mechanical Engineering, Applied Science or similar.

  • Most important is to be curious and eager to learn. 


Why you and us

We at Wärtsilä believe in empowerment, ownership and taking responsibility of our work. We support each other’s growth and co-creation is the true basis of our innovation. We have courage to see opportunities and take initiative. 

We are authentic and honest, and we strongly believe in a diverse and inclusive work community where everyone can be their true self. We don’t always get it right the first time, and if mistakes are made, we make sure to learn and grow from them. We want everyone to voice their opinions freely. That is why we have built an environment that empowers you and everyone around you, and where you can feel safe and cared for. Are you eager to be part of this ambition? 

We have a skilled team embedded in a professional internal and external maritime community. As a CFD Expert, you will be working in close cooperation with other departments of our Project Group such as Electrical Engineering, Mechanical Engineering, Automation and Project Management. You will work directly with our team of 8 hydrodynamic specialists, who report to the Manager Hydrodynamic Design.

Contact & next steps

Does this sound like the job for you? If yes, we hope to hear from you before the application deadline through submitting your application through our careers portal. We aim to keep you updated on the process all the way. 

Are you still wondering if you should apply and would like to get something clarified?

Please apply by 30th of November 23:59 EEST. Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to same time zone.

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 Marine Power leads the industry in its journey towards a decarbonised and sustainable future. Our broad portfolio of engines, propulsion systems, hybrid technology, and integrated powertrain systems delivers the efficiency, reliability, safety, and environmental performance needed to support our customers to be successful. Our offering includes performance-based agreements, lifecycle solutions, and an unrivalled global network of maritime expertise. 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance. Our dedicated and passionate team of 17,000 professionals in more than 200 locations in 68 countries shape the decarbonisation transformation of our industries across the globe. In 2021, Wärtsilä’s net sales totalled EUR 4.8 billion. Wärtsilä is listed on Nasdaq Helsinki. Find out more at