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 / u PVC), including trenching, bedding, laying, jointing, thrust blocks, valve chambers, fire hydrants, service connections and backfilling. Supervise storm drainage installation — GRP, u PVC 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, u PVC, 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 Auto CAD 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 [Click to show email]