• Carrying out trouble-shooting, routine maintenance, inspection, overhaul and repair for 4S Engine euipments.
  • Performing dry docking maintenance and supervision for 4S Engine euipments.
  • Inspecting the general condition and control system
  • Executing warranty, commissioning work & supervision of Field Service.
  • Preparing service work instructions (Japanese) and reports (Japanese/Engilish)
  • Technical communications with Wärtsilä field service stakeholders and customers


  • Ability to work on 4S Engine with engineer background.
  • Knowledge of Machinery/field service work experience.
  • Good command of English, written and verbal.( Optional)
  • Excellent command of Japanese, written and verbal.


  • Communication skills & customer relations.
  • Motivated to learn and grow professionally.
  • Ability to follow directions.
  • Ability to deal with people of different nationality.
  • Ability to work under pressure.
  • Ability to make a service work report for internal / external customer.
  • Able to travel around Japan and also abroad when required.


  • e-learning courses for English/Japanese skills
  • Training for Workplace Accidents and Human Error management skills (Japanese)
  • Safety Training on site (Japanese)
  • Wartsila Training Center in Korea, Philippines, Finland, Italy