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 : Timika Papua,

Main Responsibilities

Responsible for safe operations and maintenance of the plant during the designated shift, ensuring compliance with all safety regulations including isolation, lock-out, and tag-out.
Maintain machines and auxiliary equipment in good condition and cleanliness, taking necessary steps for prevention and correction of abnormalities.
Assist the Maintenance Supervisor as required.
Coach other technicians and general labour as needed.
Isolate and prepare engines for stopping and starting, resolving possible flaws during these processes.
Carry out corrective inspections of all mechanical, pneumatic, and electrical equipment, including supervision of engines.
Reset alarmed equipment on plant panels, identify alarms in electric panels and equipment protection, and correct abnormalities.
Assemble, disassemble, and clean internal components of lubricating oil and fuel oil separators, identify abnormalities, and propose solutions.
Perform sub-assembly work and report completed tasks.
Keep the working area clean and in good order.
Recommend spare parts orders when necessary.

This position follows a rotational roster of 3 months on duty followed by 2 weeks off .

Requirements

Minimum 3 years of experience in mechanical maintenance, repair, and troubleshooting.
Diploma in Engineering or equivalent qualification.
Willingness to work in Timika, Papua.

Why You and Us We have an amazing team and a clear purpose. We are passionate about smart technologies and building a sustainable future.

At Wärtsilä, employees are encouraged to utilise a variety of training activities, learning solutions, and self-study materials to further develop talents and competencies within a truly global working environment. We are an ambitious and growth-oriented organisation, and we hope to find a colleague who shares our passion.

Contact & Next Steps Does this sound like the right role for you? If yes, we look forward to receiving your application by 23/04/2026 at 23:59 Indonesia Standard Time through our careers portal.

If you have questions about the position, please reach out to: David Sugiarto, Operation and Maintenance Manager – PTFI david.sugiarto@wartsila.com ( Please note: questions only. Applications sent via email will not be recorded or responded to. )

Last application date: 23/04/2026

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 .

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Senior Plant Technician Mechanical - PT FI