Junior Controller

Junior Controller

CTS Nordics Oy is the Finnish subsidiary of CTS Group, one of Europes leading design and build contractors specialising in high-tech data centres. Finnish operations generated approximately €200 million in revenue in 2025 and continue to expand in step with demand in the digital infrastructure sector.

About the role We are looking for a proactive and reliable Junior Controller to join our lean Finnish finance team. You will work closely with the Country Finance Lead and act as the first point of contact for the many day-to-day questions and ad hoc issues that come into finance from across the business.

A key part of the role is managing our purchase invoice process. Invoice processing is outsourced to our external accounting partner, and with a high invoice volume, you will make sure the process runs smoothly and that issues get resolved. Alongside this, you will handle customer invoicing and support the Country Finance Lead in the monthly closing and group reporting. You will also provide service to our project teams and construction site cost controllers. The role suits someone who enjoys a fast pace, takes ownership and sees things through from start to finish.

The role is based at our office in Helsinki city centre. Our whole Helsinki team works together at the office, as close day-to-day collaboration across the team and project organisation is at the heart of how we work, with some flexibility when needed.

Your main responsibilities

Manage the outsourced purchase invoice process with a high invoice volume, together with our external accounting partner.

Serve as a service-minded finance contact for project teams and cost controllers, resolving invoice issues and other finance queries.

Prepare and issue customer invoices.

Support the Country Finance Lead in the monthly closing and group reporting.

Investigate and solve day-to-day finance issues as they arise, and see them through to resolution.

Maintain and update financial rep