Financial Controller

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. 

#WärtsiläEnergyStorage

Apply now »