Job description

Mechanical Engineer – Design of Mechanical Systems & Equipment for Water Desalination Plants (RO & Thermal)

Location: Eastern Province, Kingdom of Saudi Arabia (Dammam – Khobar – Jubail – Dhahran and surrounding areas)

Employment Type: Full-time – Ready to join immediately

Job Overview:

We are looking for a skilled Mechanical Engineer (Saudi national or resident) with strong hands-on experience in the design and development of mechanical systems and industrial equipment for seawater desalination plants — particularly Reverse Osmosis (RO) systems and, if possible, thermal desalination processes (MSF / MED).

The position is based in the Eastern Province with immediate availability required.

Key Responsibilities:

• Full mechanical design of desalination plant systems including: high-pressure pumps, Energy Recovery Devices (ERD), pre-treatment filtration systems, piping networks, heat exchangers, CIP cleaning systems, etc.

• Preparation of engineering drawings (P&ID, General Arrangement, Isometric Drawings) using software such as AutoCAD, Plant 3D, PDMS, or SolidWorks.

• Equipment selection and specification (pumps, valves, heat exchangers, compressors…) in compliance with major Saudi project standards (SWCC – NWC – Aramco where applicable).

• Review and approval of vendor / contractor mechanical designs and submittals.

• Participate in value engineering studies and optimization of energy efficiency & CAPEX/OPEX.

• Coordination with electrical, instrumentation, process, and environmental teams to ensure full system integration.

• Support site activities including installation supervision, pre-commissioning, commissioning, and troubleshooting.

Required Qualifications & Experience:

• Bachelor’s degree in Mechanical Engineering from a recognized university.

• Minimum 5–10 years of direct design experience in seawater desalination plants or industrial water treatment projects (preference for candidates with Eastern Province project exposure).

• Strong practical knowledge of Reverse Osmosis (RO) systems and core mechanical components.

• Proficiency in engineering design software (AutoCAD – Plant 3D or equivalent) and hydraulic calculation tools.

• Good understanding of relevant international and Saudi codes & standards (Saudi Building Code – ASME – API – AWWA – SWCC specifications).

• Currently residing in the Eastern Province or immediately available to relocate.

• Excellent communication skills in Arabic and English.

We Offer:

• Competitive salary commensurate with experience

• Housing allowance + transportation + medical insurance

• Opportunity to work in a strategic, high-impact sector (desalination – Vision 2030)

How to Apply:

If you match the profile and are ready to join immediately, please send your CV highlighting your desalination / water treatment experience to:

Email: omda09183@gmail.com

WhatsApp: 0533023987

Please write the following in the subject line / message:

“Mechanical Engineer – Desalination – Eastern Province”

We look forward to receiving your application.

(We will only respond to shortlisted / matching candidates – kindly apply during working days)