Mechanical Maintenance Supervisor

Wärtsilä is leading the transition towards a 100% renewable energy future. We Wärtsilians help our customers unlock the value of energy transition by optimizing their energy systems and future-proofing their assets. Did you know Wärtsilä has delivered 74 GW of power plant capacity and more than 80 energy storage systems in 180 countries around the world?

In this fast-changing world of energy, we 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. Want to join the ride?

Wärtsilä is seeking for a Mechanical Maintenance Supervisor, to join our West Africa Operational Organization based in Nouakchott, Mauritania.

As a Mechanical Maintenance Supervisor, your daily duties include but are not limited to:

Planning, execution and reporting of the scheduled and unplanned mechanical maintenances for the W50DF and plant auxiliaries.

Follow work orders in Maximo, Sales Workforce.

Execute the jobs and report the work orders with all the descriptions in Maximo & SWR (Service Work Report).

Create weekly and monthly reports for the mechanical maintenance performed and up keeping of the records.

Trouble shooting and condition monitoring of the power plant equipment for enriched engine performance.

Management of spare parts, forecasting, inventory and spares consumption record.

Training and development of local sub-ordinates.

Adherence to safety standards of the plant and 5S implementation.

Requirements for the position:

Higher National Diploma(HND) or Degree in Engineering(B.Eng) or Technology (B.Tech) in Mechanical

5- 8 years of Power Plant Experience.

Working experience in any Wartsila engines.

Maximo & Sales Force experience will be preferred.

Analytical and critical thinking skills.

Good observational skills and a willingness to learn.

Good communication skills.

Ability to work in a team

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?

How to apply:

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 application deadline.

In case of any questions, reach out our Regional Talent Acquisition Team at

Last application date: 26/09/2025

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. 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