Job Summary

We are looking for a Senior Analyst responsible for optimizing refining margin through the economic evaluation of crudes, products and operating configurations, and for developing and executing the production schedule. The role combines economic and financial modelling, linear programming (LP) optimization and close coordination across trading, refining, logistics and commercial teams, acting as the technical reference for the team and as a strategic partner to management.

Key Responsibilities

Perform economic evaluations of crudes and feedstocks (assays, netbacks, differentials) and maintain valuation models to maximize refining margin. Build and update the LP model (PIMS) and the operating schedule (crude and unit scheduling, blending), aligned with sales, inventories and logistics constraints.
Monitor crude, product and freight markets (Platts, Argus), identify arbitrage opportunities and margin risks, and support hedging decisions together with trading. Coordinate with Operations, Logistics, Trading and Commercial to ensure the plan is feasible and executed; track plan vs.
vigente performance and propose corrective actions. Support turnaround planning, assessing the economic impact and evaluating alternative supply and sales options. Produce executive reports and KPI dashboards (margins, yields, efficiency) and lead ad‑hoc studies on new crudes and investment projects.
Mentor and train junior analysts and contribute to the continuous improvement of the area's processes, models and tools.

Requirements

Degree in Engineering (Chemical,



Petroleum or Industrial), Economics or a related field; a postgraduate degree (MBA or a Master's in Finance or Energy) is a plus. 5–8 years of experience in oil economics, refinery planning or crude and products trading, within a refining or integrated energy company.
Proven experience with linear programming software (Aspen PIMS, Haverly GRTMPS, RPMS or similar), assay management and refinery process economics. Advanced Excel/VBA skills; Python, SQL or BI tools (Power BI, Tableau) and market data platforms (Platts, Argus, S&P; Global) are valued.
Advanced English. Strong analytical skills. Executive communication skills. Ability to work collaboratively with multidisciplinary teams.

About Trafigura

At the heart of global supply, Trafigura connects vital resources to power and build the world. Through our Metals and Minerals, Oil & Petroleum Products and Gas, Power and Renewables, commercial divisions, we use infrastructure, logistics and financing to connect producers and consumers, using our deep understanding of the markets we serve to make supply more efficient, secure and sustainable.
We are accelerating our investments in renewable energy, including hydrogen,



ammonia and other low-carbon energy technologies required for the transition to a low carbon future. We are committed to responsible business practices and we work with our stakeholders to improve environmental and social standards, bringing greater trust and transparency to global supply chains.

Career at Trafigura

A career at Trafigura offers a gateway to working on some of the most exciting challenges of a rapidly changing world – from helping to optimise supply chains to developing infrastructure and new markets. In a culture that is founded on openness and energy, our people work as part of a multinational, globally connected team and thrive in a fast-paced environment where they can nurture and commercialise bold ideas.

Everyone has a voice and is empowered to collaborate across geographies and disciplines to help shape our business and the wider world. We know the importance and value of diversity in our business and we invest in attracting, developing and retaining talent from all backgrounds.

Founded in 1993, Trafigura is one of the largest independent employee-owned commodities groups in the world with over 12,000 people working across more than 60 offices. The Trafigura Group owns global multi-metals producer Nyrstar; fuel storage and distribution company Puma Energy; and joint ventures Impala Terminals, a port and logistics provider, and Nalo Renewables, investing in wind, solar and battery storage projects.

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📌 Senior Refinery Planning & Economics Analyst (Buenos Aires)
🏢 Trafigura Group
📍 Buenos Aires