> Markdown version of [/jobs/ext/3965916-lp-modeler](https://www.wearedevelopers.com/jobs/ext/3965916-lp-modeler). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # LP Modeler - **Company:** PBF Energy - **Location:** Torrance, CA, United States - **Experience:** Expert - **Salary:** $127,218.0 - $210,787.0 - **Contract:** Permanent contract - **Skills:** Data Analysis, Linear Programming, Performance Tuning, Server Administration - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lp-modeler-torrance-ca--6c114dcc-c3d3-4d70-943d-906e6f5d88c2 ## About the Role Performance Tuning/Optimization, Software Administration, Linear Models, Economic Modeling, Operations Processes, Establish Priorities, Identify Issues, Continuous Improvement, Input/Output, Standards Development, * Bachelor's degree in engineering or a related field * 5+ years of experience in refinery process engineering, economics, or planning * Strong analytical and problem-solving skills * Ability to manage multiple priorities and adapt to changing business needs * Strong communication and stakeholder management skills * Proactive, self-directed approach to work * Willingness to travel (~5%) Preferred Qualifications * Experience with refinery LP modeling tools such as PIMS or GRTMPS * Prior hands-on experience building, maintaining, or validating LP models in a refining environment * Familiarity with crude assay management, blending economics, and refinery planning processes * Understanding of refinery process units and their representation in LP models * Experience with data analysis and visualization tools * Demonstrated ability to translate technical findings into actionable business insights ## Description This role plays a critical part in optimizing refinery performance by supporting feedstock selection, product blending, and operational decision-making. The LP Modeler will be responsible for maintaining and improving linear programming models used by both refinery and corporate teams. Success in this role requires ensuring models accurately represent crude properties, process yields, and operational constraints. The LP Modeler will serve as the primary point of contact for one or more refineries, ensuring models and economic tools are updated and aligned with business needs. Primary Responsibilities * Maintain, validate, and enhance refinery LP models to ensure accuracy and reliability * Manage and prioritize the modeling worklist for assigned refinery sites; communicate status and progress to stakeholders * Lead the backcasting process, comparing LP predictions to actual unit performance to identify gaps and improvement opportunities * Support LP users with case setup, troubleshooting, and interpretation of results * Develop, standardize, and continuously improve input/output interfaces and data workflows for LP models to ensure consistency, accuracy, and ease of use across refineries * Collaborate with refinery and corporate teams to implement model improvements * Continuously build expertise in LP modeling and refining processes through training and hands-on application