Aramco seeks an experienced Process Simulation Twin (PST) and Optimization Engineer to join the Reliability Solutions Department. You will deploy and sustain online process twins, merge real-time data with rigorous models, and drive AI-enabled optimization across refinery assets.Required are a Chemical Engineering degree and 15–20 years in process simulation, online modeling, or real-time optimization, with strong data reconciliation and historical data integration skills.#J-18808-Ljbffr