Structural BIM Modeler

Job Title: Structural BIM Modeler Company: UNIMAC Project: Qiddiya, Saudi Arabia Location: Saudi Arabia Employment Type: Full-Time Availability: Immediately (Only) UNIMAC is seeking an experienced and technically proficient Structural BIM Modeler to join its Digital Delivery / BIM team for Qiddiya project. The successful candidate will be responsible for developing, coordinating, and managing high-quality structural BIM models, ensuring compliance with project requirements, BIM standards, and digital delivery procedures. The role requires strong expertise in structural modelling, infrastructure coordination, as-built documentation, and BIM automation. Key Responsibilities • Develop and maintain detailed 3D structural BIM models using Autodesk Revit, covering foundations, columns, beams, slabs, retaining walls, and other structural elements. • Prepare structural shop drawings, sections, details, reinforcement models, and quantity schedules. • Deliver LOD 500 as-built models incorporating verified site measurements, survey data, redline drawings, and actual construction conditions. • Perform multidisciplinary BIM coordination and clash detection with architectural, civil, MEP, and other engineering disciplines. • Develop and manage parametric Revit families, shared parameters, templates, and project-specific modelling standards. • Develop and implement Dynamo scripts to automate modelling activities, data extraction, quantity take-offs, and quality control processes. • Utilize Autodesk Civil 3D for infrastructure modelling, data shortcuts, pipe networks, and customized parts catalogues. • Support asset information management, Asset Register development, and COBie data preparation for project handover. • Ensure compliance with BIM Execution Plans (BEP), ISO 19650 standards, LOD/LOIN requirements, and client information delivery specifications. • Coordinate with engineering, construction, and project teams to ensure accurate and timely BIM deliverables. Qualifications & Experience • Bachelor's degree or Diploma in Civil Engineering, Structural Engineering, or a relevant technical discipline. • 5–8 years of relevant experience in Structural BIM Modelling. • Minimum 3 years of experience working on infrastructure projects, particularly bridges, retaining structures, underpasses, or large-scale construction developments. • Proven experience in developing structural BIM models and delivering LOD 500 as-built documentation. • Strong practical knowledge of structural reinforcement modelling, detailing, and quantity extraction. • Previous experience in multidisciplinary BIM coordination and construction documentation. Technical Skills & Software Requirements Candidates must demonstrate strong hands-on experience with the following: • Autodesk Revit Structure – Advanced / Expert. • Dynamo for Revit – Advanced modelling automation and scripting. • Autodesk Civil 3D – Infrastructure modelling and data management. • Autodesk Navisworks – Model federation and clash detection. • Autodesk Inventor – Custom component and parts development. • Autodesk Construction Cloud (ACC) / Aconex – BIM collaboration and document management. • Knowledge of ISO 19650, BEP, EIR, AIR, COBie, and Asset Register requirements. Preferred Qualifications • Previous experience with major infrastructure projects or Saudi Arabia's giga-projects, such as Qiddiya, NEOM, Red Sea Global, Diriyah, or ROSHN. • Autodesk professional certification in Revit or Civil 3D. • Experience in laser scanning, point cloud data, and survey-based as-built modelling. • Knowledge of Python/CPython3 and advanced BIM automation techniques. • Experience with LOD 500 model delivery and asset information handover.

Bachelor's degree or Diploma in Civil Engineering, Structural Engineering, or a relevant technical discipline. 5–8 years of relevant experience in Structural BIM Modelling. Minimum 3 years of experience working on infrastructure projects, particularly bridges, retaining structures, underpasses, or large-scale construction developments. Proven experience in developing structural BIM models and delivering LOD 500 as-built documentation. Strong practical knowledge of structural reinforcement modelling, detailing, and quantity extraction. Previous experience in multidisciplinary BIM coordination and construction documentation.

Develop and maintain detailed 3D structural BIM models using Autodesk Revit, covering foundations, columns, beams, slabs, retaining walls, and other structural elements. Prepare structural shop drawings, sections, details, reinforcement models, and quantity schedules. Deliver LOD 500 as-built models incorporating verified site measurements, survey data, redline drawings, and actual construction conditions. Perform multidisciplinary BIM coordination and clash detection with architectural, civil, MEP, and other engineering disciplines. Develop and manage parametric Revit families, shared parameters, templates, and project-specific modelling standards. Develop and implement Dynamo scripts to automate modelling activities, data extraction, quantity take-offs, and quality control processes. Utilize Autodesk Civil 3D for infrastructure modelling, data shortcuts, pipe networks, and customized parts catalogues. Support asset information management, Asset Register development, and COBie data preparation for project handover. Ensure compliance with BIM Execution Plans (BEP), ISO 19650 standards, LOD/LOIN requirements, and client information delivery specifications. Coordinate with engineering, construction, and project teams to ensure accurate and timely BIM deliverables.