Sales Administrator (German Speaking)

For an international company active in the telecom sector and based in Zaventem, we are looking for a detail-oriented Sales Administrator to support the end-to-end post-quotation sales process. In this fully back-office role, you ensure that sales orders are processed accurately and efficiently from validated quotation through to invoicing. You act as a key coordination point between Sales, Operations, and Finance, making sure all data in the ERP system is correct and up to date.

Your tasks as Sales Administrator:

• Process and manage sales orders accurately in the ERP system (Odoo)
• Handle requests from customers and Sales Managers regarding order changes
• Verify pricing, contracts, and commercial data for accuracy
• Prepare order confirmations, contracts, and other administrative documents
• Collaborate with Sales, Operations, and Finance to ensure smooth order processing
• Follow up on orders from confirmation through to invoicing
• Resolve invoicing issues in coordination with the Finance team
• Maintain accurate and up-to-date customer data in CRM/ERP systems
• Identify and correct discrepancies in orders, pricing, or documentation
• Support continuous improvement of sales administration processes

The ideal profile as Sales Administrator:

• Bachelor’s degree in business administration, Management, or equivalent experience
• Minimum 2–4 years of experience in sales administration, order processing, or back-office support
• Strong attention to detail and high level of administrative accuracy
• Experience with CRM/ERP systems (Odoo is a plus)
• Strong organizational skills and ability to manage multiple orders simultaneously
• Clear and professional communication skills in a cross-functional environment
• Fluent in German and English (written and spoken); additional languages are an asset
• Experience in telecom, IT, or B2B technical environments is a plus

The offer as Sales Administrator:

• Join an international and fast-growing telecom company based in Zaventem
• Competitive salary up to €3,700/month, complemented by attractive extralegal benefits
• Possibility to work partially from home
• Stable and international working environment with long-term career opportunities
• Dynamic back-office role with close collaboration across multiple departments
• Structured environment with opportunities to improve processes and workflows

Robert Walters is the trading name of Robert Walters People Solutions NV. All legal requirements can be found here.