Senior Process Engineering Lead – Water & Wastewater

Abunayyan Holding

Riyadh

On-site

SAR 480,000 - 600,000

Full time

2 days ago

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Job summary

Abunayyan Holding in Saudi Arabia seeks an experienced Process Manager to lead the process engineering function for water, wastewater, and industrial wastewater treatment projects. The role provides technical leadership across the full project lifecycle from concept through commissioning support and performance validation.

You will guide optimization, design reviews, and team development, specify equipment, and coordinate with multidisciplinary teams.

Qualifications

Bachelor's degree in Chemical Engineering is required.
Minimum 15 years of process engineering and design experience in water, wastewater, and industrial wastewater treatment projects.
Proven ability to lead process engineering teams.
Hands-on with BioWin and RO projection tools.
Experience with Aramco, NWC, EPC/EPCC projects in Saudi water and wastewater.

Responsibilities

Lead development of optimized water and wastewater treatment solutions.
Lead and review process design, calculations, mass balances, hydraulic profiles, PFDs & P&IDs.
Perform/review biological process simulations using BioWin and projection tools.
Lead and develop Process Engineering teams.
Select, size, and specify process equipment.
Coordinate with multidisciplinary engineering, procurement, construction, and commissioning teams.
Support design reviews, HAZOP/HAZID, commissioning, troubleshooting, and plant performance verification.