Desalination Process Engineering Lead

Larsen & Toubro Limited; Saudi Arabia; On-site; SAR 180,000 - 300,000; Full time

Job summary

Larsen & Toubro Limited is seeking an engineer to develop mass and energy balances, PFDs, and P&IDs for seawater RO desalination systems in Saudi Arabia. You will design RO trains, pretreatment, and post-treatment units, and prepare detailed equipment specifications.

You will analyze membrane performance, run hydraulic calculations, and contribute to project deliverables, reviews, and commissioning activities, coordinating with multiple disciplines.

Qualifications

• Bachelor of Engineering in a relevant field.
• Experience with mass and energy balances, PFDs and P&IDs for desalination.
• Background in seawater RO systems and membrane processes.
• Ability to analyze lab data, pilot results, and optimize performance.
• HAZOP and design review exposure is desirable.

Responsibilities

• Develop mass and energy balances, PFDs, and P&IDs for seawater RO desalination systems.
• Design and size RO trains, pretreatment, and post-treatment units.
• Prepare equipment specifications for pressure vessels, membranes, and dosing systems.
• Analyze membrane performance and perform hydraulic calculations.
• Lead or review engineering deliverables and participate in FAT, SAT, and commissioning.

Skills

Mass and energy balances

PFDs & P&IDs

Desalination design

Membrane systems

Process simulations

Troubleshooting bottlenecks

Education

BE in engineering

Tools

Aspen Plus

RO design software

Job description

Larsen & Toubro Limited is seeking an engineer to develop mass and energy balances, PFDs, and P&IDs for seawater RO desalination systems in Saudi Arabia. You will design RO trains, pretreatment, and post-treatment units, and prepare detailed equipment specifications.

You will analyze membrane performance, run hydraulic calculations, and contribute to project deliverables, reviews, and commissioning activities, coordinating with multiple disciplines.