JOIN OUR TEAMWe are looking for a Billing Operations Specialist to join our Billing team.
In this role, you will ensure accurate and timely billing activities while taking ownership of an assigned customer portfolio. You will work across the full operational billing cycle – from invoice creation and vendor portal submission to Accounts Receivable monitoring and payment follow-up.
We are looking for someone who combines attention to detail with a strong sense of ownership: someone who not only completes tasks but follows them through, understands their impact on cash collection, and proactively resolves issues.
This is an opportunity to develop your expertise in finance operations, take on increasing responsibility, and contribute to a more efficient, digital and future-oriented Billing function.
From unforgettable company events to volunteering initiatives, we inspire and empower each other to make a positive impact.
- Work in a modern office, in the heart of Barcelona. In addition,

we offer
flexibility through our hybrid-working model, conveniently arrange your

working hours
, and the ability to work from abroad within the EU.

We offer
private health insurance, and you can also benefit from our corporate mental health counselling As part of our Billing team, you will have the opportunity to:
- Develop your expertise across invoicing, vendor portals, Accounts Receivable and collections.




- Progressively take responsibility for more complex accounts, problem-solving and stakeholder management.
- We value development not only through the volume of work handled, but through increasing accuracy, ownership, problem-solving capability, collaboration and business impact.
As a Billing Operations Specialist, you will play an important role in ensuring accurate billing, supporting timely cash collection and delivering a positive customer experience.
Manage an assigned customer portfolio across billing and collections activities.
- Prepare and issue accurate invoices based on approved billing data.
- Verify customer information, purchase orders and supporting documentation to ensure first-time-right billing quality.
- Monitor Accounts Receivable (AR) aging and identify overdue invoices requiring action.
- Prepare accurate and reliable billing and collection reports.
- Your work will directly contribute to billing accuracy, customer satisfaction and healthy cash flow.
Experience in billing, Accounts Receivable, collections, finance operations or a comparable role.
- High accuracy and attention to detail, especially when working with financial data and reporting.
- Good Excel skills and confidence working with finance and business systems.
- Ideally, experience with ERP systems and customer/vendor portals. -

📌 Manager bedrijfsvoering (Barcelona)
🏢 EQS Group
📍 Barcelona