Customer Service Officer

Robert Half is currently looking for a Customer Service Officer NL/FR Benelux (m/v/x) for an international company active in the energy sector , located in the heart of Brussels city centre . Are you customer-oriented, administratively strong, and fluent in Dutch and French? Do you enjoy working in an international environment where customer satisfaction, teamwork, and commercial support are key priorities?

This is an excellent opportunity to join a human-sized Benelux structure within a renowned multinational group and build a long-term career in a dynamic and growing environment.

Your Responsibilities

As a Customer Service Officer , you will be responsible for the day-to-day management of customer service operations and will work closely with two Sales Representatives. You will act as a key point of contact between customers and the different internal departments, with a particular focus on commercial and marketing-related topics.

Customer Management Handle customer requests and claims by phone and email (approximately 15 calls and 20 emails per day); Process and manage customer contracts and files; Verify, update and maintain customer data; Manage rebate agreements and additional services contracts; Order and follow up customer cards and toll solutions; Support and monitor customer portfolios (approximately 250 customers per Sales Representative); Guide and train customers in the use of online customer tools and portals; Follow up on commercial and marketing initiatives launched within the Benelux organization.

Administrative Support Manage incoming correspondence and customer service mailbox; Provide administrative and operational support to the sales team; Assist with invoicing and credit note processing; Prepare and maintain reports and activity tracking; Act as back-up for colleagues within Customer Service and Sales Support.

Network & Operational Support Provide administrative assistance to the Technical Manager; Manage manual transaction authorization requests; Follow up fraud-related cases; Assist customers with card, toll and operational issues; Coordinate with internal stakeholders to ensure efficient problem resolution.

Your Profile

You hold a Bachelor's or Master's degree with a business-oriented specialization (Marketing, Management, Business Administration, Economics, etc.); You have a first professional experience within a company environment (internship, student job or permanent experience); You are fluent in Dutch and you have a strong command of French (minimum B1 level, ideally bilingual); Good knowledge of English; Excellent organizational and administrative skills; Detail-oriented and accurate in your work; Strong customer service mindset with commercial awareness; Comfortable working with figures and business data; Team player with excellent communication skills; Able to handle priorities and work efficiently under pressure.