Assembly Worker

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?

◇Your main responsibilities are
　・Manufacturing ship parts
　・Component inspection
　・Degreasing, deburring and assembly work
　・Final inspection
　・Environmental, safety and health activities 　such as 5S and risk assessment
　・2 shifts, Day and Night

◇Essential skills
　・Japanese communication skills
　・Read and written Japanese (native level)

◇Priority or desired skills (licence)
　・Slinging
　・Crane operation Special training or above
　・Experience using calipers and micro-measuring instruments
　・PC operation such as office software

◇業務内容
　・船舶部品の製造
　・各部品の検査
　・衛生組立作業
　・最終検査
　・5S、リスクアセスメントなどの環境･安全衛生活動
　・昼と夜の2交替勤務

◇必要なスキル
　・日本語でのコミュニケーション
　・日本語の読み書き（ネイティブレベル）

◇優先もしくは希望するスキル（資格）
　・玉掛け
　・クレーン運転業務 特別教育以上
　・ノギスやマイクロ測定機器の使用経験
　・officeソフトなどのPC操作

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.  

Please apply by 13/02/2026 at 23:59 Japanese Standard 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: 13/02/2026 

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.