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Manager Process

Larsen & Toubro
Riyadh, KSA
Full-time
Mid-Senior
Onsite
Discovered 2 weeks ago
Seawater reverse osmosis desalinationMass and energy balancesProcess flow diagrams (PFDs)Piping and instrumentation diagrams (P&IDs)RO train and equipment sizingMembrane performance analysis

Full Job Posting

Role overview

The Process Manager works on engineering design and process development for seawater reverse-osmosis desalination systems.

Engineering design and analysis

  • Develop mass and energy balances, PFDs, and P&IDs for seawater RO systems.
  • Design and size RO trains, pumps, pretreatment units, and post-treatment systems.
  • Specify pressure vessels, membranes, dosing systems, and chemical treatment units.
  • Analyze membrane performance, perform hydraulic calculations, and simulate system performance.
  • Assess recovery, energy consumption, fouling rates, energy recovery devices, and pressure exchanger systems.
  • Review laboratory data, pilot trials, and membrane autopsy reports.

Project execution and commissioning

  • Lead or review design reports, datasheets, BOQs, and technical specifications.
  • Coordinate civil, electrical, instrumentation, and mechanical interfaces; participate in HAZOP, design reviews, and risk assessments.
  • Support FAT, SAT, and commissioning; troubleshoot process bottlenecks, fouling, scaling, and plant underperformance.
  • Train operations teams on CIP, energy optimization, and water quality control.

Requirements

  • The role requires process engineering capability in seawater RO desalination system design and development.
  • The role requires capability to analyze membrane performance, system simulations, energy use, recovery, and fouling.
  • The role requires capability to prepare or review engineering deliverables and coordinate with civil, electrical, instrumentation, and mechanical teams.

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