Structural BIM Modeler

About the Role

UNIMAC is seeking an experienced and technically proficient Structural BIM Modeler to join its Digital Delivery / BIM team. This full-time position is based in Riyadh, Saudi Arabia, and will contribute to the Qiddiya project. The role involves developing, coordinating, and managing high-quality structural BIM models, ensuring compliance with project requirements, BIM standards, and digital delivery procedures. Candidates should have 5-10 years of experience.

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 and Experience

• Bachelor's degree or Diploma in Civil Engineering, Structural Engineering, or a relevant technical discipline.
• 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.

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.

Work Environment

This is a full-time position based in Riyadh, Saudi Arabia, focusing on the Qiddiya project. The role requires collaboration with engineering, construction, and project teams within a digital delivery framework.

Application Process

UNIMAC invites qualified candidates to apply for this Structural BIM Modeler position.