Electrical Maintenance Supervisor

Wärtsilä Energy leads the transition towards a 100% renewable energy future. We help our partners to accelerate their decarbonisation journeys through our market-leading technologies and power system modelling expertise. These cover decarbonisation services, future-fuel enabled balancing power plants, hybrid solutions, energy storage and optimisation technology, including the GEMS Digital Energy Platform.

Did you know Wärtsilä has delivered 79 GW of power plant capacity and more than 130 energy storage installations 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?

Location : Betano , East Timor

Accountabilities :

1. Ensure the safe, efficient operation and maintenance of all electrical equipment, programmable logic controllers (PLCs), instrumentation devices and 150 kV device and its control.

2. Achieve performance targets in line with contractual obligations within the assigned area of responsibility.

3. Implement Environmental, Health & Safety (EH&S) programs and maintain high standards of housekeeping in the workplace.

Main Responsibilities :

1. Coordinate daily electrical, instrumentation, PLC maintenance activities and able to troubleshoot activities include High Voltage at the plant and/or within the assigned team.

2. Conduct inspections, calibration, and functional testing of controllers, instruments, and devices in the power plant.

3. Supervise and/or prepare complete, accurate maintenance records and reports.

4. Identify material and equipment requirements and oversee timely procurement to ensure availability.

5. Ensure all work is executed in compliance with Wärtsilä Quality, Health, Safety, and Environmental guidelines, customer site procedures, and the assigned maintenance plan.

6. Collaborate closely with Mechanical Maintenance and Operations teams to schedule and align maintenance activities.

7. Maintain cleanliness, orderliness, and compliance with safety, fire, and regulatory standards in the work area.

Job Specification :

· Minimum Diploma Degree in Electrical Engineering.

· Knowledge of Wärtsilä engines is an advantage.

· 3–5 years of experience in a similar role.

· Willing to stay at site with rotation leave schedule.

Why You and Us :

We have an amazing team and a clear purpose to exist. We are passionate about the work we do and hope to find a colleague with a shared passion for smart technologies and a sustainable future.

All our employees are encouraged to utilise the variety of training activities, learning solutions, and self-study materials that we offer. These support opportunities to further develop your talents and competencies within a truly global working environment, in an ambitious and growth-oriented organisation.

Next Steps :

Does this sound like the job for you? If yes, we hope to hear from you before 10th March 2026 by submitting your application through our careers portal.

Last application date: 10/03/2026 

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. 
 

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