Senior Planning & Optimization Advisor​/Engineer

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Position Summary The Value Chain Optimization (VCO) team has an opening for a Cross-Regional Planning & Optimization Advisor/Engineer. The Cross-Regional Planning & Optimization Advisor/Engineer plays a critical role in enabling enterprise-wide value optimization by aligning commercial strategy, operational constraints, and market dynamics across multiple regions. Reporting to the Cross Regional Optimization Director, this role operates at the intersection of planning, logistics, and commercial teams to drive consistent, economically optimized decision-making across the value chain.

This individual serves as a highly collaborative and energetic integrator, partnering closely with logistics and commercial stakeholders. They facilitate cross-regional alignment, communicate complex concepts in a clear and actionable way, and influence outcomes across diverse stakeholder groups without direct authority. Leveraging strong analytical skills and hands‑on experience with linear programming models, including PIMS, the Cross-Regional Planning & Optimization Engineer evaluates scenarios, validates plans, and identifies opportunities to improve value capture across the system.

They translate optimization outputs into actionable insights while ensuring consistency in how models are applied and embedded into planning and execution processes.

• Performs scenario and sensitivity analyses to evaluate impacts of changing market conditions, operational constraints, disruptions, and strategic initiatives.
• Partners with Operations, Commercial, Logistics, and Planning teams to align plans across planning horizons, refineries and regions and supports execution of operating strategies.
• Leads planning studies and optimization projects independently while providing technical guidance to less experienced advisors.
• Manages the commercial aspects of cross-regional operations, including cross-regional feedstock selection, product and intermediate placement, supply chain optimization, and market analysis.
• Demonstrates an advanced understanding of refinery operations, economics, and market dynamics cross-regionally.
• Able to mentor junior engineers in planning and optimization strategies.
• Leads collaboration meetings within the value chain to discuss cross-regional economic drivers.
• Understands how regional plans for multiple refineries are developed, optimized, and executed for using linear programming simulation models.
• Accurately changes cross-regional modeling constraints to match real life operating constraints.
• Leads end-to-end evaluation of cross-regional buy-or-make cases, from data gathering to final recommendation.
• Develops sophisticated economic models and sensitivity analyses to assess risk and uncertainty.
• Collaborates with trading to align strategies and optimize outcomes.
• Interfaces with regional leadership to communicate recommendations and gain alignment.
• Manages project support cases independently.
• Possesses a deep understanding of refinery processes and commercial implications.
• Capable of analyzing complex data, identifying trends, and proposing solutions autonomously.

• Bachelor's degree in Engineering required.
• A Bachelor's degree in another field may be considered with five (5) years of experience in refinery planning, optimization, value chain, operations, commercial, logistics or related technical experience required.
• Four (4) years of refinery planning, optimization, value chain analysis, operations, commercial, logistics, or related experience required.
• As…