Principal Modeler- BIM - Site Civils & Roads (Multi-D Projects)

AECOM's Enterprise Capabilities team is looking for a Principal Modeler- BIM - Site Civils & Roads (Multi-D Projects) to join their team in Bengaluru/Gurugram.

The Enterprise Capabilities team operates across geographic boundaries and time-zones, partnering with regional and Global Business Line project teams to provide technical expertise, accelerate delivery, and keep AECOM competitive in the industry.

Key Responsibilities:

• Develop detailed 3D models for Site Civils/Roads/Data centers/Multi-Disciplinary experience.
• Create and manage alignments, profiles, surfaces, corridors, templates/assemblies, superelevation, site grading, and cross-sections.
• Model drainage and utilities including stormwater, sewer, ducts, electrical, telecoms, and other services.
• Develop and maintain accurate BIM models in accordance with project BIM standards, BEP, and ISO 19650 requirements.
• Perform multidisciplinary model federation and BIM coordination across highways, drainage, utilities, structures, and other disciplines.
• Carry out 3D clash detection using Navisworks or equivalent platforms, identify conflicts, and support resolution and closure.
• Perform 3D solid extraction from Civil 3D/ORD models for BIM coordination, clash detection, quantity verification, and downstream applications.
• Ensure extracted solids and federated models maintain correct geometry, coordinates, and model integrity.
• Produce plans, profiles, sections, details, schedules, and model-based deliverables.
• Perform model health checks, self-checking, and BIM/CAD QA/QC.
• Manage references, model revisions, naming conventions, and information exchange through CDE platforms.
• Coordinate with engineers, BIM coordinators, designers, and other disciplines to resolve modelling and design issues.
• Support model-based quantities, constructability reviews, and digital engineering workflows.
• Ability to communicate effectively with engineers, BIM coordinators, designers, and project stakeholders.
• Ability to clearly communicate technical issues, modelling constraints, clashes, and proposed solutions.

Software & Technical Skills: Essential:

• Autodesk Civil 3D
• Bentley OpenRoads Designer
• AutoCAD / MicroStation
• 3D BIM Modelling
• Clash Detection & Model Coordination
• 3D Solid Extraction
• Navisworks
• ProjectWise / Autodesk Construction Cloud

Desirable:

• Dynamo
• BIM/CDE workflows
• ISO 19650
• International highway and infrastructure standards

QUALIFICATIONS: Bachelor's Degree in Civil Engineering or a related Civil/Infrastructure Engineering discipline.

Essential Experience:

• 12+ years of experience
• Strong understanding of civil 3D modelling and multidisciplinary BIM coordination.
• Ability to interpret engineering drawings, specifications, and survey information.
• Experience producing accurate, coordinated models and drawings to project standards.
• Strong QA/QC, problem-solving, and coordination skills.
• Ability to work independently and deliver to tight project deadlines.