Senior Mechanical Engineer - Water
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About the Role
* A global multidisciplinary consultancy with 16,500\+ professionals across 40\+ countries * Delivering world\-class infrastructure, buildings, and environmental solutions * Deliver advanced water infrastructure engineering design and analysis across complex engineering projects **About SJ Group** Surbana Jurong Group is a leading global urban, infrastructure, and managed services consulting firm. With a strong presence across Asia, the Middle East, Africa, and beyond, we d
Key Skills for This Role
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Overview
- A global multidisciplinary consultancy with 16,500+ professionals across 40+ countries
- Delivering world-class infrastructure, buildings, and environmental solutions
- Deliver advanced water infrastructure engineering design and analysis across complex engineering projects
About Sj Group
Surbana Jurong Group is a leading global urban, infrastructure, and managed services consulting firm.
With a strong presence across Asia, the Middle East, Africa, and beyond, we deliver integrated solutions across the entire project lifecycle, from planning and design to delivery and asset management.
Our Middle East operations continue to expand, supporting major infrastructure, transportation, energy, and development projects aligned with national visions and long-term growth strategies.
About The Role
The Senior Water Infrastructure Mechanical Engineer will lead the mechanical design of water infrastructure facilities in Saudi Arabia, contributing to ME's significant water infrastructure programmes aligned with Vision 2030 water security objectives.
The role demands strong technical competence across pumping stations, desalination plants, and water and wastewater treatment works (WTW/WWTW), with the ability to independently manage design packages and mentor junior engineers within the KSA team.
Key Responsibilities
- Lead detailed mechanical design of water pumping stations (raw water, potable, booster, sewage), including pump selection, hydraulic performance analysis, surge/transient protection, and ancillary mechanical systems.
- Develop process and mechanical designs for water treatment works, desalination plants (SWRO, MSF, MED), and wastewater treatment facilities, including process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and equipment datasheets.
- Prepare and review engineering calculations, design reports, technical specifications, BOQs, and IFC drawings; ensure compliance with Saudi standards (MOWE, NWC, SWCC) and relevant international codes (BS, ISO, ASME, AWWA).
- Undertake hydraulic transient and surge analysis using specialist software (HAMMER, or equivalent); recommend and specify appropriate surge suppression equipment and protection strategies.
- Coordinate mechanical design interfaces with civil/structural, electrical, instrumentation, and SCADA disciplines, support authority submissions, and client technical review meetings.
- Provide construction-stage technical support, including review of contractor submittals, shop drawings, and O&M documentation, and attend site visits for the major mechanical plant.
Qualifications & Requirements
- Degree in Mechanical Engineering.
- 10-15 years in mechanical engineering for water infrastructure
- Demonstrable design experience on water pumping stations, desalination plants, and WTW/WWTW in the GCC or KSA specifically; familiarity with NWC, SWCC, and MOWE design standards is essential.
- Proficiency in 3D/2D mechanical design tools and working knowledge of BIM workflows.
- Strong communication skills in English; Arabic language proficiency is advantageous. Ability to work effectively in a multi-disciplinary, multi-cultural project environment across the KSA region.
Why Join Sj
?
Join a global, multidisciplinary consultancy shaping sustainable, people-centric environments across 40+ countries.
Work with world-class teams and lead impactful landscape design across the region.
All recruitment activities are handled by our internal Talent Acquisition Team, and this role currently doesn't require agency input.
Please do not forward resumes directly to SJ employees/managers; we do not accept unsolicited resumes and are not responsible for any associated fees.
Only shortlisted candidates will be notified
At Surbana Jurong, we put talent, hard work, teamwork and a fun workplace together to approach problems and solve them creatively and collaboratively.
Join us in making a positive impact on the world!
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