Production planner

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?

At the initial stage, the successful candidate will focus on understanding production planning operations and executing planning and coordination tasks centered on existing processes.
Over time, the candidate is expected to independently drive planning and improvement initiatives, becoming a core member who is consulted and relied upon by related departments.

Required Skills and Qualifications：

• Experience in project management
• Practical experience in data aggregation and analysis using Excel
• Fluent communication skills in Japanese (both spoken and written)
• Experience working in English, or no resistance to using English in daily work
• Ability to identify issues in ongoing operations, analyze them using data, and propose improvements

Tools / Systems Used
SAP、Excel、PowerPoint、Power BI、Teams、SharePoint

Purpose of the Position

• This position aims to support improved accuracy in business and production planning, as well as stable production execution, through planning control, order management, and data analysis, based on a solid understanding of production planning operations.
• In the future, the role is expected to independently lead planning initiatives in collaboration with related departments and to serve as a key member within the organization by providing data-driven analysis and improvement proposals.

Key Responsibilities

1. Planning Management

• Development and management of annual and mid-term plans, including progress and performance tracking
• Formulation of production plans and adjustment of workload and delivery schedules
• Analysis of variances between planned and actual results and proposal of corrective actions
• Preparation and presentation of planning and performance-related materials

2. Cost Management and Order Management

• Incorporation of parts orders (stock management) into planning
• Organization of NB (New Build) and Retrofit order information and reflection into production plans
• Support for quotation preparation and clarification of planning assumptions
• Improvement of planning accuracy through BOM registration and configuration management
• Monitoring plan execution status through production order creation and control

3. Data Management and Analysis

• Management and maintenance of planning and actual performance data
• Data extraction and aggregation from SAP and other systems
• Visualization and analysis using Power BI and related tools

Additional Preferred Qualifications

• Experience contributing to annual and mid-term planning processes
• Hands-on experience with business systems such as SAP and Power BI
• Ability to communicate and coordinate smoothly with related departments from a broad perspective
• Strong interest in problem-solving, a solution-oriented mindset, implementation capability, and persistence in follow-up activities to ensure sustainability
• Willingness to continuously learn and grow
• Experience in projects within multinational companies and overseas production environments (machinery manufacturing industry)
• Experience in the marine industry
• Ability to adapt to change

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 23/05/2026  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: 23/05/2026 

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.