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Helsinki, FI Vaasa, FI

Function:  Engineering
Job Category:  Engineering

Application Engineer

Wärtsilä is leading the transition towards a 100% renewable energy future. We Wärtsilians help our customers unlock the value of energy transition by optimizing their energy systems and future-proofing their assets. Did you know Wärtsilä has delivered 73 GW of power plant capacity in 180 countries around the world, including 80 energy storage systems?

In this era of innovation and fast changing world of energy, we are constantly on the lookout for future-oriented talent to join our team and to work towards enabling sustainable societies with smart technology - together. Want to join the ride?


Application Engineer 
We are now looking for an Application Engineer focusing on sales support and development to join our growing product management team.  
The position is permanent and the preferred location for the position is in Vaasa or Helsinki, Finland. 
In this position, your work will include optimizing customer solutions and support our Europe, middle east and Africa / international sales and proposal team. Gather, and manage, market/customer/internal requirements as well as actively engaging cross functionally to support the organization with ESS solution related tasks. 


What will you be doing
On a typical day, you might be starting with a supplier call with sourcing and end the day assisting the sales team. You will not be working on this alone, even though the work requires a high level of independency, as you will have the support from your new colleagues in the PM organization and other stakeholders. For us to be the best match, we expect you to have a good electrical engineering experience from working in energy storage solutions.  Alternatively, in working in the energy / power systems field. 


As Application Engineer, your work will focus on these responsibilities:

  • Help to Configure battery energy storage systems including component selection, site layout, cable schedule, auxiliary load estimation, HVAC sizing, and battery sizing and augmentation strategy. Conduct cost benefit analysis to optimise system configurations and equipment selection, assist in the development of product requirements, and collaborate in the development of business cases for customers or internal development initiatives 
  • Collaborate with sales, proposals, and engineering in the development of value propositions for micro-grids and hybrid power plants including equipment selection, performance guarantees development, and optimal resource mix 
  • Develop and document methodologies and best practices to design and configure energy storage systems 
  • Provide pre-sales support to the sales, business development, and proposals teams 
  • Develop product technical documentation including application notes and input to product manuals 
  • Provide customer feedback and market requirements back to the PM organisation to further product development and portfolio management. 
  • Collaborate in a team environment and/or take charge of opportunities to develop optimal solutions for customers and development programs 


As an ideal candidate, you have gained experience from the energy storage industry.

You will shine in this role when you have:

  • 3-5 years of electrical engineering experience focusing in power systems and/or renewable energy 
  • Experience designing and configuring battery energy storage systems and battery enclosures 
  • Ability to conduct energy studies and determine optimal resource mix and technical requirements for such resources 
  • Knowledge of energy markets and different mechanisms power producers generate revenue 
  • Proficiency with Autocad. MS office tools, programming. 
  • Solving customer’s needs and issues 
  • Maintain positive working relationships with customers, peers, subordinates, vendors, shop and office in a fast paced environment 
  • Excellent communication skills 
  • Team player attitude internally and externally and excellent communication skills 
  • Willing to travel 40% of the time 


Why you and us
We have an amazing team and a clear purpose to exist. We are passionate about the work we do and hope to find a colleague with a shared passion for smart technologies and a sustainable future. “The work in our team offers a wide range of interesting projects and we truly have an amazing team spirit, supporting each other to develop together as a team. In addition to the core team, you will be working closely with sourcing,  hardware and software engineering, suppliers, and sales. 
All our employees are encouraged to utilise the variety of training activities, learning solutions and self-study materials that we have to offer which supports the opportunity to further develop your talents and competencies within an international working environment, in an ambitious and growth orientated organisation.


Contact & next steps
Does this sound like the job for you? If yes, we hope to hear from you before the application deadline 6th of January 2022, through submitting your application through our careers portal. We aim to keep you updated on the process all the way. Please notice, interviews will start already during application time, so please leave your application as soon as possible.
Are you still wondering if you should apply and would like to get something clarified? Please reach out to Mats Östman, Senior Development Manager through email: mats.ostman@wartsila.com or phone: +358 40 8292752 (9.00-17.00 EET)  with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to). 
Please apply by 6th of January 2022. Our recruiting tool recognizes the time zone where the job ad has been published and closes the application period according to same time zone.


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.


All new Wärtsilä employees in Finland will attend occupational health check, including the drug test/screening. The legislation of the country followed when person is located outside of Finland.

This is Wärtsilä

Wärtsilä Energy leads the transition towards a 100% renewable energy future. We help our customers unlock the value of the energy transition by optimising their energy systems and future-proofing their assets. Our offering comprises flexible power plants, energy management systems, and storage, as well as lifecycle services that ensure increased efficiency and guaranteed performance. Wärtsilä has delivered 73 GW of power plant capacity in 180 countries around the world. www.wartsila.com/energy


Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2020, Wärtsilä’s net sales totalled EUR 4.6 billion with approximately 18,000 employees. The company has operations in over 200 locations in more than 70 countries around the world. Wärtsilä is listed on Nasdaq Helsinki. Find out more at www.wartsila.com.