Senior Process Engineer

Overview

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Sr.Process Design Engineer - (Water Treatment Industry)

Experience Required - 7 - 14 Years

Location : Riyad, KSA

Job Summary :

We are seeking an experienced Senior Process Engineer to lead and execute the design, optimization, and commissioning of large-scale Seawater Reverse Osmosis (SWRO) desalination plants . The successful candidate will provide technical leadership across feasibility studies, basic and detailed engineering, equipment sizing, and plant operation support, ensuring projects meet performance, sustainability, and cost-efficiency targets.

Key Responsibilities

• Develop mass and energy balances, PFDs, and P&IDs for seawater RO desalination systems.
• Design and size RO trains, pumps, pretreatment units (coagulation, media filtration, UF), and post-treatment (remineralization, CO₂ dosing).
• Prepare detailed specifications for equipment : pressure vessels, membranes, dosing systems, and chemical treatment units.
• Analyze and optimize membrane performance using software.
• Perform hydraulic calculations for multiport vessels and high-pressure piping networks.
• Conduct system simulations to predict performance under varying feedwater conditions.
• Perform recovery, energy consumption, and membrane fouling rate analysis.
• Evaluate energy recovery devices (ERDs) and design pressure exchanger systems.
• Review and analyze laboratory data, pilot trials, and membrane autopsy reports.

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