Billing Administrator

What you will do:

• Process customer invoices accurately and on time.
• Manage administrative activities related to rental contracts.
• Prepare and maintain customer documentation required for invoicing.
• Handle journal entries and support routine accounting activities.
• Collaborate with Sales Force and internal stakeholders on customer administration matters.
• Support month-end and year-end invoicing closing activities.
• Coordinate with internal teams to ensure efficient billing processes.
• Ensure compliance with established invoicing procedures and controls.
• Maintain accurate records and contribute to continuous process improvement.

What you need to succeed:

Required:

• High School Diploma in Administration or a related field.
• Minimum 2 years of experience in a similar invoicing, billing, accounting administration, or administrative support role.
• Familiarity with invoicing systems and data entry processes.
• Strong attention to detail and accuracy.
• Good organizational and time management skills.
• Ability to work independently and manage routine tasks effectively.
• Proficiency in Microsoft Office, particularly Excel.
• Strong collaboration and communication skills.

Preferred:

• Medium level of English.
• Experience supporting contract administration or rental business processes.
• Knowledge of accounting support activities and financial documentation management.

What we offer you

• Permanent contract.
• Competitive salary and participation in a variable pay system based on personal and financial goals.
• Meal vouchers.
• Flexible benefits plan that includes options like health insurance, transportation, or childcare.
• A great work environment.
• Real opportunities for professional development within a well-established global company.
• Being part of a dynamic organization involved in transformation and continuous improvement projects.
• Location: Madrid (Rivas)

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.