MECHANICAL BIM MODELER

Develop and maintain LOD 300–500 mechanical models and shop drawings for HVAC, plumbing, drainage and fire-fighting systems. Deliver clash-free, buildable services that meet Qiddiya Investment Company (QIC) BIM requirements. **Key Responsibilities** - Model HVAC systems in Revit MEP: ductwork, AHUs, FCUs, chilled water, pumps, district cooling connections, smoke extract, and car park ventilation/jet fans. - Model plumbing, drainage, irrigation interfaces and fire-fighting systems (sprinklers, hydrants, fire pumps). - Produce mechanical shop drawings, sections, plant room layouts, builder's work drawings, and sleeve/opening layouts. - Run clash detection in Navisworks against structural, architectural and electrical models, and track issues to closure. - Coordinate penetrations, ceiling voids and service corridors with other disciplines. - Extract quantities for ducts, pipes and equipment to support QS and procurement. - Update models to LOD 500 as-built and populate asset data for COBie/digital handover. - Follow the project BEP, QIC BIM standards, ISO 19650 and CDE workflows (ACC/BIM 360, Aconex). - Attend BIM coordination meetings and respond to RFIs and design changes. **Qualifications** - Diploma or bachelor's degree in mechanical engineering, or a recognised MEP BIM qualification. - 5+ years of mechanical BIM modelling, with 3+ years on GCC projects. - Experience on large mixed-use, entertainment, hospitality or stadium projects. - Preferred: prior work on a PIF giga-project (Qiddiya, NEOM, Diriyah, ROSHN, Red Sea). **Software** Revit MEP (expert), Navisworks Manage, AutoCAD, Dynamo, ACC/BIM 360, Aconex. Working knowledge of ISO 19650, ASHRAE, NFPA and the Saudi Building Code.