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Kaohsiung, TW Taipei City, TW

Function:  Service Delivery
Job Category:  Project Management

(Senior) Field Service Engineer, Battery Energy Storage Systems

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?


We are now looking for a skilled (Senior) Field Service Engineer, Battery Energy Storage Systems to join our dynamic, fast-paced Field Service team in Energy Storage & Optimization, Lifecycle Services, Energy Storage & Optimization Business. This is a permanent opportunity, and its preferred locations are Kaohsiung or Taipei, Taiwan.

What will you be doing:
(Senior) Field Service Engineer, Battery Energy Storage Systems, your work will focus on these responsibilities:

  • Perform Commissioning, Field Service, Warranty and/or Agreement related activities according to the work plan.
  • Service Technician or Engineer needs to be able to take the ownership of technical deliberations and field service activities and must be able facilitate technical contact point between internal and external stakeholders.
  • Participate in development of new working methods within own responsibility area.
  • Make analysis with adequate conclusions and recommendations for how to solve complex technical problems of the customer on-site. Report the related work progress to relevant stakeholders.
  • Solve complex technical and operating problems of the customer as well as report and propose product improvement needs to reach quality and cost targets and ensure customer satisfaction.
  • Create quality Service Work Reports within set time limits.
  • Follow up and participate on field tests if any.
  • To support in providing advanced applications training for internal local field service resources team.
  • Participate in customer meetings as local representative in the electrical and automation and / or mechanical aspects if needed.
  • Provide sales support to internal stakeholders as needed. 


To be successful in this role, we expect you to have:

  • BSc. in Electrical Engineering or Electronics Engineering or any relevant experience in the field of Battery Storage and Solar (PV)
  • Electrical & Automation System and solution knowledge
  • Electrical & Automation Mechanical System and solution knowledge e.g., HVAC a plus
  • Experience with programmable logic controllers, frequency drives, electrical protection devices, computer systems, Ethernet networks, firewalls, OPC-servers, and PLC
  • Experience in electrical and/or mechanical installations and commissioning
  • Experience in commissioning new power plants as an electrical and automation or mechanical Engineer a plus
  • Experience with Energy Storage System
  • Leading field tests and developing new products with customers and research and development organizations within the company
  • Customer understanding
  • Good in Written, and Spoken English
  • Fluent in Written, and Spoken Chinese
  • Local working permits, certifications a plus and knowledgeable of local regulations
  • Willing and available for travel (domestic and international) up to 60% of the time
  • Car driver’s license
  • Proficiency in Microsoft Word, Excel, Power Point



Why you and us
All our employees are encouraged to utilise the variety of training activities, learning solutions and self-study materials that we have to offer which supports the opportunity to further develop your talents and competencies within a very global working environment, in an ambitious and growth orientated organisation.

Contact & next steps
Does this sound like the job for you? If yes, we hope to hear from you before the application deadline 31/03/2023 by submitting your application through our careers portal. Are you still wondering if you should apply and would like to get something clarified? Please reach out to HyunJoo Kim, Talent Acquisition Specialist ( with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to).


Please apply by ​31/03/2023​ 22:59 Taipei Time.  Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to same time zone.


Last application date: 31/03/2023 


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. 


This is Wärtsilä 

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 17,000 professionals, in more than 200 locations in 68 countries, shape the decarbonisation transformation of our industries across the globe. Read more on