Sr. Process Engineer

Overview As a Sr. Process Engineer at Valero Port Arthur, you provide technical leadership for refinery process units to meet operating targets and KPIs. You work with Operations to troubleshoot and optimize performance, maintain process data and unit health metrics, and lead design efforts for new projects with safety, environmental, and economic improvements in mind. You apply process simulation and engineering calculations to size equipment, balance mass/energy, and evaluate operating variables. This role offers impact across unit performance, capital projects, and continuous improvement in a mission-driven energy company. Compensation / BenefitsCompetitive pay and annual bonus401(K) with 100% match up to 7% with immediate vestingCompany-sponsored Pension PlanComprehensive Healthcare and Wellness Program ResponsibilitiesProvide technical expertise to support refinery process units to optimize performance and meet targetsMonitor unit operating data and communicate constraints to operations managementAssist Operations with evaluations and troubleshooting of unit operationsPrepare and follow up on reports related to catalyst life, performance, and unit requirementsSuggest proactive improvements to yields and energy usageUnderstand refinery flows, heat/mass balances, feeds, distillation processes and productsMaintain and evaluate an operating history database and update PFDs, P&IDs, and Unit Health KPIsConduct studies on operating variables affecting product quality, yield, and profitabilityContribute technical data for construction, operating, and environmental permit applicationsDevelop process designs for new projects addressing safety, reliability, and economicsPrepare conceptual studies and determine economic feasibility; draft design basis and lead casesComplete process designs including PFDs, heat and material balances, and P&IDs; write process specificationsPrepare Decision Support Packages and assist in AFE preparationDevelop plans and criteria to execute various projectsSupport TA activities with planning, inspections, catalyst loading, and improvementsIssue Post-TA reports and Monthly Unit Performance reports; present to managementBe available for on-call refinery support outside regular hours Key requirementsBachelor’s in Chemical Engineering5 years of process engineering experience in a petroleum refineryProcess Simulation experienceExperience in petroleum refining with multiple refinery process units preferredStrong communication and presentation abilitiesTeamwork and cross-functional collaborationProblem-solving and analytical thinkingProcess simulation softwareProcess design and optimization (PFDs, P&IDs, heat and material balances)Piping hydraulics; PSV sizing; pump/motor sizing