Marine trader trainee (lube desk)

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 global 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, and all supporting commercial documentation
• Coordinate closely with our suppliers to ensure the seamless execution of supplies
• Continuously research market trends and pursue new avenues for business development

Candidate Profile

• Genuine interest in pursuing a career in sales, business development, or commercial trading
• Fluency in both Spanish and English is essential (additional languages are highly desirable)
• Naturally social and personable, with the confidence to engage a wide range of international stakeholders on a daily basis
• Highly organised and structured, with the ability to juggle multiple priorities without compromising on quality or attention to detail
• Strong analytical skills and a methodical approach to problem-solving
• Disciplined and commercially minded, with a strong sense of ownership
• Willing to work flexibly in a fast-paced environment, including occasional availability outside standard hours, to support the team and our clients

What We Offer

• A structured trainee programme tailored to your profile, qualifications, and learning capacity
• Full-time trainee contract (40 hours/week) with trainee compensation
• A dedicated mentor and direct exposure to senior members of our commercial and sales teams
• A collaborative team culture built on shared values, commitment, and excellence
• The opportunity to launch your career within a growing, internationally recognised company

How to Apply

Interested candidates are invited to submit their CV to at the earliest opportunity. xpzdshu Applications will be reviewed on a rolling basis, and the successful candidate is expected to start as soon as possible.