Technical Support 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?

Wärtsilä is a Finnish technology company with more than 190 years of experience delivering innovative solutions for the energy and marine industries worldwide. As part of its commitment to accelerating the transition toward a more sustainable energy future, we are seeking a Technical Support Engineer to join the Energy Storage and Optimization Lifecycle Management team. This role is ideal for an engineering professional who is passionate about energy storage, clean energy technologies, and providing high-quality technical support in a global, customer-focused environment.

Our client, a sustainable energy company is looking for a Technical Support Engineer to join their Energy Storage and Optimization Lifecycle Management team. Seeking an individual that is passionate about energy storage and clean energy solutions to be part of this global customer-driven organization, working with high level technologies. The Technical Support Engineer will support customers by improving the technical and the operational performance of company products. The successful candidate will be familiar with energy storage systems or have experience in a related electrical field. A deep understanding of electrical hardware and electronics is required for this role. Training in battery energy storage will be provided in order to support customer projects remotely.

Job Responsibilities:

• Responsible for monitoring all energy storage sites across the globe• Provide remote technical support to customers, field service and commissioning personnel
• Use proprietary software to remotely evaluate and trouble-shoot systems
• Coordinate system updates with software teams and customers
• Respond to support requests when issues are reported to helpdesk
• Document all customer requests and repairs performed
• Notify customers on status of repairs, warranty claims, software updates, etc.
• Provide energy storage training to customers and internal colleagues
• Coordinate with the lifecycle management team on service visits and warranty claims
• Periodically conduct field service visits to sites to resolve technical issues
• Participate in the 24/7 on-call rotation

Required Qualifications:

• Bachelor's Degree in electrical or mechanical engineering or related field or

equivalent work experience

• 3 years of experience with electrical hardware or electronics
• Excellent communication and documentation skills
• Domestic and international travel required (approx. 10-20%)
• Experience maintaining customer relationships on multiple projects
• Proficient in Professional English

Preferred Qualifications:

• Energy storage systems

• Lithium-ion Battery chemistries

• Grid-scale renewable energy systems

• Familiarity with Programmable Logic Control (PLC programming)

• Familiarity with microgrid control

• Familiarity with industrial cooling systems

• Familiarity with Linux operating systems

Last application date: 30/09/2026

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.