Financial Controller

• The Financial Controller is responsible for ensuring correctness of company financial information and statutory reporting to provide a true and fair view of the legal entity's financial position.
• Key duties include preparing quarterly figures and tax notes, statutory adjustments and bridge calculations, presenting financial reviews to the Board, and coordinating external and internal audits and internal control remediation.
• Required qualifications include a Bachelor’s or Master’s degree, about 10 years' finance experience, subject matter expertise in financial statutory accounting, IFRS, local tax and auditing, plus SAP and strong leadership and communication skills in English.
• The role is ideally based in Vaasa (Helsinki or Turku considered), does not offer international relocation or visa sponsorship, and will operate in a lean newly carved-out JV from October 1, 2026 with an application deadline of 06/09/2026.

Wärtsilä Energy Storage is powering the shift to a cleaner, more resilient grid.

We work at the front lines of the energy transition, helping partners around the world maximize the value of renewables through grid-scale battery systems, advanced software, and expert services. Our portfolio includes the industry-leading GEMS Digital Energy Platform, utility-scale battery solutions, and lifecycle services that keep storage assets optimized and ready when it matters most.

With over 20 GWh of storage deployed or under contract across 130+ projects globally, we’re shaping how the grid of the future works.

In a world of rising complexity and accelerating change, we’re looking for future-focused talent to help us design, deliver, and support the energy systems of tomorrow.

Sound like your kind of challenge? Let’s build it together. 

We are seeking an experienced Financial Controller to join our global Energy Storage Business organization in the rapidly growing renewable energy market. This is a unique opportunity to join a newly carved-out business, turning financial controlling and accounting practices from a blank slate into a successful operation. 

As a Financial Controller you are accountable for operations and performance related to local processes, financial information and external financial statutory reporting. Ensuring a true and fair view of risks, rewards and financial position of the legal entity. Providing valuable company level support for businesses, high standard financial company reporting according to Wärtsilä Group Directives and Policies, as well as local accounting requirements. 

The ideal location for this position is Vaasa, Finland, however we would consider suitably qualified individuals based in Helsinki or Turku. We are not considering international relocation applicants or VISA sponsorship situations for candidates in other territories at this time.

The Financial Controller is responsible for the legal entity as follows: 

• Ensuring correctness of company financial information 

• Preparing and reporting quarterly financial figures and tax notes 

• Continuous follow-up on local legislation changes and requirements 

• Collecting and preparing financial information, reports and analyses to internal and external stakeholders and authorities, e.g. local statutory reporting   

• Preparing statutory local adjustments and bridge calculations  

• Providing and presenting Financial Review material to the company Board of Directors Meeting 

• Co-ordinating external auditing, internal auditing and internal control reporting of the company, as well as remediation of relevant internal controls 

• Supporting and participating in development and optimizing of projects which require financial competence and support, in cooperation with global process owners and other stakeholders 

• Supporting and advising the businesses in financial processes related to statutory, tax and company compliance 

• High performance culture in accordance with Wärtsilä and strategy, vision, mission and values 

• Responsible for local Sub-Group or/and Tax Group or/and branch reporting (if applicable) 

• Preparing and maintaining local Delegation of Authority (DoA) documentation. Managing system authorisations, Power of Attorneys, Letter of Authorities e.g. for local banks  

• Approving items according to company Delegation of Authority 

• Reporting (mandatory) financial statistics to local authorities 

• Tax related compliance (Income tax, value added tax) 

• Co-ordinating property related insurance matters and insurance claims together with Group Risk Management and Businesses 

• Co-ordinating with regional accountants in other countries within own area 

• Company secretarial tasks 

• Accounting tasks related to sales-, and purchase invoices 

• Involvement in possible changes in the company legal structures (mergers, acquisitions, liquidations) 

What skills and competencies must you hold to be considered?

• Subject matter expertise on Financial Statutory Accounting
• Wartsila accounting and IFRS knowledge (both international and local)
• Local accounting & tax laws and principles
• Auditing (both external and internal) knowledge
• Internal Control knowledge
• Analysing skills
• Corporate Governance and Code of Conduct
• SAP and other relevant reporting tools
• Strong leadership, networking, communication skills
• Problem solving & service excellence skills
• Fluent in English
• Adaptability
• Innovation
• Team working, Relationship building
• Cooperation with different external and internal stakeholders
• Cultural sensitivity

What qualifications / experience will the successful candidate be required to evidence?

• Bachelor or Master’s level university education or equivalent
• 10 years of experience in Finance for the related process / function of the position  
• Subject matter expertise on financial statutory accounting, company compliance and/or taxation. 

Note the business is preparing to carve our from Wartsila to its own JV entity from October 1st 2026. The new business will have approximately 500 employees and candidate should be aware this is NOT a position within the group Wartsila entity and the department will be run extremely lean in its early stages.

Contact & next steps: 

Does this sound like the job for you? If yes, we hope to hear from you before the application deadline below, by submitting your application in our Career portal. Our recruiting tool recognises the time zone where the job ad has been published and closes the application period according to the same time zone. 

We will be conducting interviews with qualified candidates throughout the process and aim to keep you informed along the way.  However we do anticipate a pause in hiring activity during September as we migrate systems and employees from Wartsila to the new JV operation in preparation for the JV go live date of October 1st, so please appreciate the hiring cycle could be more prolonged than is usual, we ask for patience.  At that point Wartsila would hand over processes to the stand alone JV entity so contacts may change.

Are you still wondering if you should apply and would like to get something clarified? Please reach out to Talent Partner, Jason Crouch via email at jason.crouch@wartsila.com with any questions related to this position (only for questions from direct job applicants, applications through email will not be recorded or responded to). 

Last application date: 06/09/2026 

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. 

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