Wärtsilä

Service Engineer - SLS

Join Wärtsilä in Shanghai as a Service Engineer focused on marine engineering. Perform field service, repairs, and customer support while ensuring safety and quality. Benefit from a diverse, inclusive workplace and strong growth opportunities in sustainable technology.
Wärtsilä
Wärtsilä
Shanghai, China On-site Full time UTC+08:00

Wärtsilä

Company Overview

Name

Wärtsilä Oyj Abp

Headquarters

Helsinki, Finland

Founded

1834

Size

Approximately 18,300 employees globally (source: wartsila.com). Revenue figures for 2023 are not detailed in available sources.

What They Do

Wärtsilä Energy specializes in providing flexible engine power plants that can operate on sustainable fuels, alongside energy storage systems and optimization technologies such as the GEMS platform. Their offerings include full lifecycle services aimed at balancing renewable energy sources and enabling 100% renewable grids (source: wartsila.com). The company’s product lineup features utility-scale Quantum battery energy storage systems designed for compactness and efficiency, intelligent software for real-time control, and hybrid solutions that integrate engines with storage capabilities (source: wartsila.com). Target markets encompass power utilities, independent producers, and industries across 180 countries that require reliable baseload power, peak shaving, or grid stability in the face of increasing solar and wind intermittency (source: wartsila.com). Wärtsilä differentiates itself through a global portfolio that exceeds 18 GWh of storage deployed or contracted, emphasizing bankable reliability and expertise in decarbonizing energy systems (source: wartsila.com).

Projects & Track Record

Wärtsilä has an impressive track record, having installed 79 GW of power plant capacity across 180 countries and over 130 energy storage systems, with a global storage portfolio exceeding 18 GWh (source: wartsila.com). Notable projects include the tenth energy storage system for Flow Power in Australia, the fourth stage of Origin Energy’s Eraring battery system, and a synchronous condenser power plant designed for an Australian mining operation (source: wartsila.com). The company is also engaged in ongoing projects such as the Eraring battery stages and co-research initiatives aimed at enhancing predictive engine safety (source: wartsila.com). Key clients include Flow Power, Origin Energy, and various mining operations in Australia and Mauritania, showcasing Wärtsilä's commitment to delivering reliable energy solutions (source: wartsila.com).

Recent Developments

In the past two years, Wärtsilä has made significant strides, including the announcement of its tenth Australian energy storage project for Flow Power and the renewal of an operation and maintenance agreement for a Mauritanian gold mine (source: wartsila.com). The company has also introduced the first power plant with a synchronous condenser for Australian mining, aimed at integrating renewable energy sources (source: wartsila.com). Additionally, Wärtsilä has appointed Luke Witmer as Vice President of Software Engineering for Energy Storage, reflecting its commitment to innovation in this sector (source: wartsila.com). The company has set fire safety benchmarks with its Quantum3 system while advancing the Eraring battery project, further solidifying its leadership in energy solutions (source: wartsila.com).

Working There

Wärtsilä offers a diverse range of roles across various departments, including engineering, product development, sales, and software engineering, particularly in the development of the GEMS platform (source: wartsila.com). The company employs over 18,300 individuals across 77 countries, with hiring occurring at its Helsinki headquarters and globally across more than 230 locations (source: salestools.io). The workplace culture emphasizes collaboration and innovation, featuring modern facilities in Helsinki that include open-plan offices, wellness rooms, and fitness centers (source: salestools.io). Documented benefits include support for work-life balance and a purpose-driven environment that fosters creativity and technological advancement (source: salestools.io).


Last updated on Feb 23, 2026 | Report an issue

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?

Your main responsibilities are

  • Perform Field Service activities according to the work plan.
  • Perform overhauls and repairs on assemblies on site and/or in workshops.
  • Interact professionally with customers during the work execution.
  • Perform internal and external progress status of the assigned work.
  • Create the Service Work Reports.
  • Ensure that the work is executed according to Wärtsilä QEHS guidelines and site procedures.
  • Ensure that the work is executed according to QSHE guidelines and site procedures and policies.
  • Follow-up and report on the status of work orders to customer and/or internal stakeholders.
  • Continuously seek for solutions in according to best practises.

You will shine in this role when you have

  • A safety first mind-set.
  • You are passionate about developing SLS E2E-business to the next level.
  • Relevant technical education or qualifications as a combination of education and experience.
  • Technical experience in marine engineering with practical problem solving skills.
  • Proven experience of installation operation, maintenance and repair.
  • Highly effective technical communication skills, both written and verbal.
  • Interact professionally and deliver solutions to customers during the work execution.
  • Experience in propulsion shaft alignment and vibrations beneficial.
  • Experience of working with electrical systems beneficial.
  • Working knowledge of Microsoft office suite.
  • Fluent in English with relevant additional language skills beneficial.
  • You are located in one of the FS Hub city in China and willing and able to travel.

Why you and us

You are valued - as your true self. At Wärtsilä we value diversity and are committed in supporting inclusive work community.

Your growth is supported. We believe in continuous learning & teamwork. Wärtsilian community has your back when it comes to development opportunities - so you can develop beyond your potential.

You get to make a difference. Innovation and sustainability are important for us. Every day, we put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.

Contact & next steps

Submit your application before the deadline through our Careers portal. Applications through email will not be considered. After submitting your application you'll receive a confirmation email. We try our best to get back to everyone within 2-3 weeks after application deadline.

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.

Apply now

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About the role

August 27, 2026

August 27, 2026

Full time

On-site

Company

Hydropower, Bioenergy, Smart Grid

Wärtsilä

wartsila.com

  •  Shanghai, China

Relevant technical experience in marine engineering

UTC+08:00