Senior Mechanical Engineer

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?

Location: Lihir Site, Papua New Guinea (PNG)

Main Responsibilities:

• Coordinate daily mechanical maintenance activities at the plant and/or within the assigned team.
• Ensure plant performance targets within the assigned area of responsibility are achieved in accordance with contractual requirements.
• Train and guide new employees on maintenance procedures, standards, and safe working practices.
• Monitor the condition and availability of maintenance equipment, materials, spare parts, and tools, ensuring they are maintained in accordance with applicable guidelines and policies. Take corrective action when required.
• Ensure all work at the plant is carried out in accordance with Wärtsilä Quality, Health, Safety and Environmental (QHSE) guidelines, customer site procedures, and the assigned maintenance plan.
• Inspect completed maintenance and repair work to ensure it has been performed correctly and that machinery and equipment comply with required specifications and safety standards.
• Coach and mentor maintenance personnel and support them in diagnosing and resolving more complex machinery and equipment issues.
• Develop and continuously improve maintenance working routines and practices at the plant.
• Prioritize and assign tasks effectively to ensure team resources are utilized efficiently and that work schedules and performance targets are achieved.

Desired Behaviours :

• Achieving results
• Making change happen
• Decisiveness and action orientation
• Planning and target setting
• Developing self and others
• Effective communication
• Situational and cultural sensitivity
• Business and customer focus

Job Specifications:

• Willing and able to work at Lihir Site, Papua New Guinea (PNG) in accordance with the applicable site and roster arrangements.
• Diploma or Bachelor’s degree in Mechanical Engineering, Maintenance Engineering, or a related field.
• Relevant experience in a power plant, mining, heavy industry, or similar operational environment.
• Strong hands-on experience and deep understanding of preventive and corrective maintenance, troubleshooting, mechanical equipment, and practical technical guidance.
• Good understanding of QHSE requirements and safe working practices.
• Strong track record in team leadership, including planning, coordinating, guiding, and developing maintenance teams.
• Ability to coach and develop maintenance personnel.
• Good communication skills and ability to work effectively in a multicultural environment.
• Good command of written and spoken English.

Why Wärtsilä?

At Wärtsilä, you will have the opportunity to grow your expertise while contributing to meaningful work in the energy and marine industries. Our “Fuel your power” employee value proposition reflects our commitment to professional growth and creating a lasting impact.

Join a global team where you can develop through hands-on experience, collaboration, learning, mentoring, and new career opportunities while contributing to Wärtsilä’s journey toward a more sustainable future.

Fuel your power. Grow your expertise, make an impact, and build your career with Wärtsilä.

Last application date: 09/11/2026 

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.