Senior Water Treatment & Wastewater Process Engineer

Qureos Inc

Sharjah

On-site

AED 446,000 - 781,000

Full time

2 days ago

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Job summary

Qureos Inc. is seeking a senior water and wastewater process engineer to lead design and engineering for complex water treatment projects in the UAE. The role covers PFDs, P&IDs, hydraulic calculations, and equipment sizing from design basis through commissioning.

The candidate should bring 8–10 years of direct water/wastewater experience, strong RO/membrane design knowledge, and proficiency with AutoCAD and Excel. Arabic fluency is a plus as is EPC/consultancy experience.

Qualifications

Bachelor's degree in Chemical Engineering, Environmental Engineering, or a closely related discipline.
Minimum 8–10 years of direct experience in water and wastewater treatment engineering.
Strong knowledge of RO design, membrane systems, filtration, chemical dosing, and hydraulic calculations.
Familiarity with AWWA, ASTM, ASME, and international water treatment standards.
Proficiency in AutoCAD, MS Excel, and engineering calculation tools.
Experience with membrane design software such as WAVE, ROSA, or equivalent is an advantage.
Strong technical reporting, engineering documentation, and English communication skills.

Responsibilities

Develop and review PFDs, P&IDs, process descriptions, and design basis documents.
Perform process calculations, hydraulic calculations, mass balances, and equipment sizing.
Design and select water and wastewater treatment processes including RO, UF, MMF, Activated Carbon, Greensand filtration, and chemical pretreatment.
Prepare equipment datasheets and technical specifications for pumps, vessels, filters, blowers, mixers, and chemical dosing systems.
Prepare hydraulic profiles, pump head calculations, and control philosophies.
Develop process control narratives, cause-and-effect matrices, and operating sequences.
Review vendor offers, drawings, calculations, and equipment selections.
Prepare technical bid evaluations and vendor document review comments.
Coordinate with mechanical, electrical, instrumentation, automation, and project engineering teams.
Review 3D models for process compliance and accessibility.
Respond to client technical comments, RFIs, and engineering clarifications.
Support HAZOP, design reviews, FAT, pre-commissioning, commissioning, and performance testing.