At Olenex, we supply a broad portfolio of high-quality edible oils and fats to customers worldwide. With thirteen strategically located refineries across Europe, we produce a wide range of liquid and tropical oils. Our team of specialists works closely with both food and non-food producers to deliver tailor-made ingredients that meet specific needs.

Beyond production, we are active in trading and sourcing raw materials to strengthen our offering in the oil and fats industry. Sustainability and fair trade are at the heart of what we do. Through our #SharedResponsibility initiative, we build integral partnerships and work toward a 100% sustainable supply chain.

We also believe in investing in our people. At Olenex, you’ll find opportunities for career development, training, and contribution within a dynamic and challenging environment where your impact truly matters.

We are currently looking for a organized & experienced

Customer Service Admin Support

to join our team at the Central Post office in the heart of Rotterdam.

You are an experienced and structured Customer Service professional who ensures accuracy, reliability, and continuity across order handling and financial administration. You support core business operations by managing invoicing, data, and reporting while acting as a trusted point of contact for customers and internal stakeholders. In this role, your drive quality, stability, and process improvement across our customer service operations.

Outlook of your main responsibilities:

• Manage and process invoicing for Olenex Heavy and third‑party locations, including extra costs and re‑invoicing

• Handle customer requests related to orders, invoices, credits, and reissues

• Act as a key link between customers, logistics, and internal departments

• Ensure accurate financial records, smooth month‑end closures, and reporting quality

• Create Certificates of Origin and NVWA statements

• Collect, organize, analyze, and report data within the organization

• Optimize data quality, workflows, and customer service processes

• Contribute to process streamlining and productivity improvements

• Support end‑to‑end order handling activities

What you bring:

• Solid experience in customer service, administrative, or financial support roles within a professional environment

• Strong attention to detail and accuracy in data, invoicing, and reporting

• Confidence in handling complex customer questions and operational topics independently

• Ability to communicate clearly and professionally with customers and internal stakeholders

• Fluency in English (Dutch is a plus!)

• Structured, reliable, and solution‑oriented working style

• A proactive mindset with the maturity to improve processes and bring stability to daily operations

What we offer you:

• Enthusiastic colleagues from around the world

• Competitive salary and multiple development options

• 13th-month salary

• 30 days of annual leave

• Pension scheme fully paid by Olenex

• One home office day per week

• Working-from-home allowance

• Discounts on health insurance and fitness

Sounds like you? Apply now!