OTC Billing Accountant

Sulzer is a leading engineering company with a proud heritage of innovation. Join our global team to grow your expertise and develop innovative solutions that enable a prosperous and more sustainable society

About the role

Sulzer is a leading engineering company with a proud heritage of innovation. Join our global team to grow your expertise and develop innovative solutions that enable a prosperous and more sustainable society.

We are looking for an OTC Billing Accountant to join our Accounting team in Spain to help us take our Order to Cash processes to the next level. As a Billing Analyst, you will collaborate with multiple Sulzer Legal Entities and engage with diverse stakeholders, including Project Managers, Finance Heads, the CoE Accounting Manager, the Reporting and Analytics team, and external customers.

Your main tasks and responsibilities:

Prepare and issue invoices to customers based on service agreements and purchase orders, ensuring accuracy in billing details and compliance with contractual terms

Closely collaborate with the local Project Manager

Review and reconcile billing data for completeness and accuracy, making necessary adjustments or corrections

Ensure timely invoice dispatch to third-party customers in line with customer requirements, complying with local regulations (e.g., B2B e-invoicing).

Collaborate with sales, customer service, the cash collections team, and project management teams to gather necessary information for billing, and to resolve any billing-related issues and queries.

Maintain and update customer billing information and records in the billing system

Perform AR, Revenue & Aging analysis

Support the month-end and year-end close processes, including preparing journal entries and account reconciliations related to billing

Generate and analyze billing reports, providing insights and recommendations to improve the billing process and reduce errors. Closely collaborate with the Reporting & Analytics team on this

Ensure compliance with OTC internal controls, accounting policies, and regulatory requirements related to billing operations

Participate in the implementation and improvement of billing systems and procedures to enhance efficiency and accuracy, in cooperation with the OTC GPO.

Provide support during internal and external audits by preparing required documentation and addressing auditor inquiries related to billing

Support the intercompany billing process.

Support definition and preparation of KPIs in the billing area.

To succeed in this role, you will need:

University degree in Finance, Accounting, Business Administration or related field.

Minimum of 2 of experience in billing in a similar role.

Experience within the manufacturing or industrial sectors is preferred.

Strong understanding of the Order to Cash cycle.

Strong understanding of accounting principles, revenue recognition and billing process

Proficiency in interpreting billing reports

Excellent analytical, problem-solving and decision-making skills

Strong communication skills for delivering key insights to i.e. Senior Billing Accountants, CoE Accounting Manager, Reporting & Analytics team and Country Finance Heads

Experience in Global Business Services or Finance Shared Services organizations will be highly valued.

Experience with ERP systems (SAP, Microsoft Dynamics 365, iScala) highly valued.

Proficiency in MS Office (Excel, PowerPoint).

Fluency in English; additional European languages are a plus.

Great communication skills. Continuous interaction with project teams and other stakeholders is critical to succeed in this role.

Proactive mindset, ready to contribute to create the new teams we are building up in our Center of Excellence.

What we offer you

A permanent contract.

A competitive salary as well as participation in the variable remuneration system based on personal and financial objectives.

Restaurant tickets

Be part of an experienced, international team.

A good vibe working environment.

Enjoy great office facilities and a perfect location in Madrid Nuevos Ministerios, making your work experience both comfortable and convenient.

Other fringe benefits

No visa or work permit support can be provided for this role.

Sulzer is an equal opportunity employer. We believe in the strength of a diverse workforce and are committed to offering an inclusive work environment.

We are proud to be recognized as a Top Employer 2026 in Brazil, Canada, China, Finland, Germany, Ireland, Mexico, Switzerland, South Africa, the UK and the USA.