About Stem Fuels Stem Fuels is a global trading and distribution house specializing in the supply of marine fuels, lubricants, base oil, additives, and marine chemicals. Working around the clock in more than 150 ports worldwide with a comprehensive distribution network, we strive to keep all concerns related to fuel and lubricant procurement away from our customers. With our own warehouses and physical operations across Southern Europe, Florida, the Caribbean, and Latin America — including Spain, Mexico, Florida, Jamaica, the Dominican Republic, Guyana, and beyond — we combine integral reach with the agility and personal service of a dedicated team. We are proud members of the International Bunker Industry Association (IBIA), the Marine Fuels Alliance (MFA), and the United Nations Global Compact. As an official distributor of North Sea Lubricants (NSL) and a partner to leading brands including Shell, Castrol, Mobil, Total, Eni, and Sinopec, we deliver high-performance solutions to some of the most prestigious shipping companies in the world. Our customers are our first priority,



and our people are committed to being available whenever and wherever they are needed. The Opportunity We are seeking a Lubricant Trader Trainee to join our dynamic commercial team in Valencia. This is an entry-level position designed for ambitious individuals eager to build a long-term career in the marine fuels and lubricants industry. You will be enrolled in a carefully structured development programme that provides comprehensive exposure to every facet of our trading and distribution business. Under the guidance of a dedicated mentor, you will gradually take on greater responsibility as your knowledge and confidence grow. Key Responsibilities Identify and develop new business opportunities within the marine fuels and lubricants sector Engage daily with prospects and clients, building and maintaining strong commercial relationships across multiple time zones Prepare quotations, contracts, a

📌 Marine trader trainee (Santander)
🏢 Stem Fuels
📍 Santander