Senior Mechanical Engineer - Product Engineer

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?

Wärtsilä Energy Storage is looking for a highly motivated Sr. Mechanical Engineer to be responsible for leading mechanical engineering efforts for a portion of the Quantum product family - battery energy storage systems that enable the effective utilization of renewable energy for Wartsila’s customers. Additionally, the Sr. Mechanical Engineer will be expected to work with various teams from different disciplines to ensure timely delivery of design efforts and support existing manufacturing. This position requires flexibility to work on multiple projects in various stages of the design, validation, manufacturing, and sustainment product life cycle. Excellent technical Mandarin and English including mechanical and electro-mechanical terminology is required.

Location for this position is Suzhou, China. Up to 20% travel is expected.

As Sr. Mechanical Engineer, you will have these responsibilities: 

• Serve as the product lead engineer in coordinating design reviews and engineering change management activities.
• Schedule and track the activities of mechanical department team members as they maintain product designs, documentation, and bills of materials via the change management process.
• Report status on design efforts to department managers and project managers.
• Support external requests for assistance, either directly or by arranging help within the department, from sales, manufacturing, quality, field installation, and field maintenance organizations.
• Have systems level understanding for all aspects of the product beyond the mechanical/thermal portions (electrical, fire protection, site civil installation.)
• Prepare and maintain requirements documents related to the product and subsystems.
• Execute some design/calculation tasks themselves as appropriate given particular expertise they may possess.
• Preferably have (or develop) CAD experience with Creo and Windchill to be able to find relevant documentation and design information quickly.

• Identify and offer solutions for design issues/risks and support driving implementation.

• Mentor others toward having a systems level appreciation for the product (especially interactions between subsystems.)

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

• Have strong understanding of systems design in the context of outdoor skid-packaged equipment made at volume production levels.
• Be a mechanical engineering generalist (structural/thermal/fluid flow) with an appreciation for the power electrical discipline and subject matter (for example, ability to read power/control electrical diagrams is a substantial benefit.)
• Have strong communication skills (Mandarin and English) to be able to gauge a given audience and explain technically complex ideas/concerns at the level appropriate.
• Exhibit strong organizational skills with an appreciation for scheduling and task management. Understanding of and direct experience with scheduling tools, the ability to break down projects into trackable subtasks of estimatable durations, and personal experience executing engineering design tasks is key. A good sense for gauging the durations of design task.
• Exhibit collaborative leadership skills, helping team members understand and own their assigned tasks, take accountability for the quality of their work product, and agree and execute to achievable timelines.
• Be experienced working with configuration control / engineering change management and have a solid understanding of engineering documentation practices for a standardized product.
• Be practical, understanding the financial and schedule impacts of design decisions and particularly when a design is “good enough”.
• Be dedicated and committed to results in a dynamic environment where products are simultaneously being manufactured, installed, and maintained at sites globally.
• Possess experience with the design of outdoor skid-packaged equipment. Experience with enclosure/container design requirements, standards, manufacturing, and IP rating experience is beneficial.
• Understand varied manufacturing processes related to skid packaged equipment fabrication, for example structural and sheet metal construction/welding, painting, equipment bolting, and electrical assembly. Familiarity with ISO 2553 weld symbology is important.
• Possess excellent written and verbal English and interpersonal skills.
• Be able to work with an international team with different backgrounds and in different time zones. Be willing to travel up to 10% of the time.

Minimum Experience and Educational Requirements:

Our ideal candidate will have:

• 7+ years technical experience including 3+ years product level discipline leadership experience in a commercial product development environment (preferably skid packaged equipment.)
• Bachelor’s of Science Degree in Mechanical Engineering (or possibly Chemical Engineering). MSME is a plus.

Last application date: 30/07/2025 

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.