Site Mechanical Engineer – Wet Utilities & Irrigation (Infrastructure)

Site Mechanical Engineer – Wet Utilities & Irrigation (Infrastructure) Abniya Innovative Limited is looking for qualified professionals to join our team in Riyadh, Saudi Arabia.

KEY RESPONSIBILITIES: 1- Construction Execution & Supervision

• Supervise daily execution of potable water networks (HDPE PN16 / uPVC), including trenching, bedding, laying, jointing, thrust blocks, valve chambers, fire hydrants, service connections and backfilling.
• Supervise storm drainage installation — GRP, uPVC and reinforced concrete pipework, catch basins, manholes, gully leads, connection details and outfall structures.
• Supervise sewerage/gravity drainage works and associated chambers.
• Supervise irrigation works — mainlines and sub-mains, solenoid valves, decoders and controllers, disc filtration units, irrigation tank and pump set, drip and bubbler distribution networks.
• Verify setting-out, invert levels, gradients, cover depths and clearances against IFC drawings and utility corridor allocations prior to and during installation.
• Direct and monitor the performance of installation of subcontractors and site labor; verify daily output against program targets.

2- Technical & Document Control

• Follow up Material Approval Requests (MAR) for all mechanical materials, fittings and equipment through to Consultant approval.
• Review method statements, Inspection & Test Plans (ITP), and technical submittals.
• Raise and track RFIs / Technical Queries and follow up on outstanding IFC drawings and design clarifications.
• Review IFC and shop drawings for constructability, utility clash and specification of conformance; report discrepancies to the Project Manager in writing.
• Prepare and verify as-built records for all mechanical scope.

3- Quality Assurance & Testing

• Raise Inspection Requests (IR/WIR) and accompany the Consultant on inspections.
• Execute and document all statutory and specified testing: hydrostatic pressure testing, disinfection and chlorination, bacteriological clearance, deflection/mandrel testing, testing of drainage lines, and irrigation commissioning.
• Close NCRs and site observations within the required response period.

4- Commercial & Quantity Support

• Maintain accurate quantity records for all executed mechanical works and support joint measurement with the Supervision Consultant.
• Report immediately, in writing, any divergence between executed/instructed quantities or materials and the contract BOQ, so that remeasurement and variation of entitlements are protected.
• Support the QS team with take-offs, interim payment application backup, and variation substantiation.
• Provide technical evaluation of supplier and subcontractor quotations; raise material requisitions in the Company ERP with correct specification, quantity and required-on-site dates.

5- HSE & Reporting

• Enforce HSE requirements for excavation, shoring and trench support, confined space entry, lifting, hydrotesting and work near live utilities; ensure permits to work are in place before commencement.
• Submit daily/weekly progress reports, manpower and equipment returns, and maintain contemporaneous site records (photographs, diaries, delay events).

QUALIFICATIONS & EXPERIENCE Essential

• B.Sc. in Mechanical Engineering from an accredited university.
• Valid Saudi Council of Engineers (SCE) membership — mandatory before mobilization.
• Minimum 5 years of site execution experience, of which at least 3 years in external infrastructure / wet utilities (potable water, storm drainage, sewerage networks).
• Practical experience with HDPE, uPVC, GRP and ductile iron pipework — installation, jointing methods and testing.
• Demonstrated experience of at least 2 years in the Kingdom of Saudi Arabia.
• Working knowledge of NWC and Amana specifications, approval workflows and inspection procedures.
• Competence in AutoCAD and MS Office; familiarity with Aconex or equivalent document management platform.
• Working proficiency in English and Arabic (site instruction and formal correspondence).
• Transferable Iqama (for candidates already in KSA).

Preferred

• Landscape irrigation system experience (Hunter/Rain Bird or equivalent — controllers, decoders, solenoid valves, filtration).
• Experience on government projects.

Qualified candidates are invited to send their updated CV to HR@abniyaksa.com