Assembly Mechanic

Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of.

We want to transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent – want to join the ride?

Welcome at QuantiParts, a Wärtsilä company!

We are currently seeking an experienced, full-time

Engine Validation Engineer

to join our skilled service team in Hattem, QuantiParts in The Netherlands.

The candidate is expected to have solid knowledge and practical experience in maintaining marine engine rooms.
The position is permanent.

What will you be doing:

• Lead the testing and validation activities at QuantiParts’ Engine Testing Facility in Hattem.
• Act as QuantiParts’ primary contact for all engine testing and validation activities, ensuring compliance for our customers and classification partners by conforming to stringent safety, quality, and technical standards.
• Safe execution and optimization of engine test programs, including Factory Acceptance Tests for engines and systems.
• Provide detailed and structured reports on completed engine validation tests, following pre-defined load steps
• Perform and lead maintenance and repair tasks for the Engine Testing Facility, maintaining safe and efficient operation of all main and auxiliary systems.
• Plan and implement preventive maintenance routines for the facility, ensuring compliance with scheduled outages and environmental regulations.
• Coordinate activities with engine component assembly, depending on the workload of engine testing and maintenance tasks.

To be successful in this role, we expect you to have:

• Solid knowledge and practical experience in maintaining marine engine rooms, including main engines and their auxiliary systems, such as compressed air, LT & HT cooling systems, lubricating oil, and fuel oil systems.
• Proficiency in communication in Dutch, English, and preferably German.
• Fundamental understanding of engine automation and sensor technology.
• Demonstrated ability to organize tasks efficiently and build strong interpersonal relationships (team player).
• Highly accurate and detail-oriented, with an analytical mindset and strong critical thinking capabilities.
• Proactive, responsible, and self-driven professional attitude.

What we offer you

We highly care for employability of all our employees hence employees are encouraged to utilize the variety of training activities, learning solutions and self-study materials. The opportunity to further develop your talents and competencies within an international working environment, in an ambitious, growth orientated organisation. We offer excellent primary and secondary terms of employment and a healthy work-life balance. We foster openness, respect and trust. The culture can be described as down to earth and decisive.

We drive an inclusive corporate culture by respecting diversity. Success requires a mix of employees - diversity in nationality, gender, age, personality and educational background.

If you feel excited by being part of this dynamic working environment and you think your personal skills and qualities match the job requirements, we look forward to receive your job application, together with a Curriculum Vitae on our website: www.wartsila.com/careers. Select ‘Netherlands’ and the position you like to apply for.

Contact & next steps

We hope to hear from you soon, by submitting your application through our careers portal. We aim to keep you updated on the process throughout.

For further questions please reach out to to hiring manager GertJan Havikhorst, Manager Quality & Assembly ([email protected]).with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to).

About QuantiParts:
QuantiParts changes the game for trading OEM spare parts for mature Wärtsilä engine brands. We serve the engine Brands; Stork Werkspoor Diesel, Deutz, Deutz MWM, Bolnes, Sulzer A/S 4 stroke, SACM, Poyaud, Crepelle, Wichmann, Nohab and Vasa and have all the parts new, remanufactured or pre-owned to keep them operating. The company is based in Zwolle, the Netherlands, where its spare parts are traded from. The company’s stock consists of over 5 million components for more than 45 different engine types.

We provide 24-7 parts services and support with the best technical know-how available. We strive for Cost-efficient solutions, immediate response and the right spare parts delivered on time! We are here for you and your engine. QuantiParts employs about 70 people in Zwolle and in France. All our employees bring with them the Wärtsilä legacy and extensive technical know-how in order to serve customers worldwide. www.quantiparts.com

Last application date: 12/01/2026

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.

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

This is Wärtsilä

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.