Tunnel CAD/BIM Designer

Job Description

Overview

The BIM Designer/Lead Designer role at AtkinsRéalis GDC Transportation focuses on delivering advanced BIM and CAD designs for major global tunneling and underground infrastructure projects. Based in Gurgaon, the position involves creating and managing 3D models, producing detailed 2D drawings, coordinating multidisciplinary BIM workflows, and ensuring compliance with AtkinsRéalis standards and international BIM practices. The role requires strong modelling expertise, understanding of BIM standards, experience with tools like AutoCAD Civil 3D, Revit, Dynamo, MicroStation, Navisworks, Opentunnels, ProjectWise/ACC, and the ability to collaborate within large global engineering teams. It offers excellent growth opportunities within a world-leading infrastructure consultancy.

Your role

• Should be able to develop CAD/BIM 3D Models / shop & fabrication drawings to the standards & codes
• Should be able to produce medium to complex 3D modelling for tunneling and underground structures.
• Should be able to work in tunnel & underground engineering environment like TBM Tunnels (ring build logic & detailing), space proofing, NATM / SEM / Drill & Blast Tunnels, Cut & Cover Tunnels, Shafts and Portals.
• Competent in producing GA and RC detailing drawings for tunneling and underground structures i.e. Primary & secondary lining, segmental lining, shotcrete, rock bolts, steel ribs, wire mesh, lattice girders etc.
• Work with the Information Manager and project teams to assist in the development and implementation of BIM strategies, BIM Execution Plans, workflows and processes on projects in accordance with AtkinsRéalis Corporate Standards, Client requirements and industry best practice.
• Should be able to produce 3D models and extract information directly from models to create 2D drawings, schedules, setting out, quantities and other deliverables.
• Should be able to work on survey and geotechnical data integration, i.e.. control points, Geological profiles and borehole data, Geological cross and Longitudinal sections and excavation sequences.
• Should be able to develop models and technical content including clash detection and compliance with BEP.
• Should be able to follow OCRA process in EDMS workflow
• Should have strong written & verbal communication in English
• Experience of working in Common Data Environment (CDE) like ProjectWise / ACC
• Apply AtkinsRéalis Quality, Safety & Environmental (QSE) standards and Business Management System (BMS).

About you

Skills

• Should be responsible for creating and maintaining symbol libraries, templates, and databases, configuring project settings, and troubleshooting software issues to enable seamless collaboration. Additionally, you will lead automation initiatives, integrate engineering design data with other platforms, and support digital delivery strategies for smarter, connected solutions. The candidate will also actively support project teams on proposal and project delivery tasks.
• Ideal candidates should have a Diploma/B.E/B.Tech in Civil Engineering, with 5–12 years' experience delivering multidisciplinary projects, strong knowledge of Revit/CAD functionalities, Navisworks & CDE platforms, and a passion for improving design efficiency through technology and innovation.
• Some generic requirements,
• Ability to independently produce structural drawings and BIM models with minimal supervision & maintain BIM model quality in accordance with:
• The Project Information Model (PIM)
• The approved BIM Execution Plan (BEP)
• Organisational Information Requirements (OIR), Asset Information Requirements (AIR), and ISO 19650 naming conventions.
• Ability to carry out model checks, coordination reviews, and ensure compliance with Common Data Environment (CDE) workflows.
• Ability to maintain and manage BIM model quality processes, ensuring compliance with project and organisational standards.
• Ability to share best practices and technical knowledge with the wider project team.
• Proven experience in understanding and managing coordination processes with engineers across multiple disciplines.
• Ability to attend meetings with internal and external stakeholders, including clients, and accurately prepare and maintain Minutes of Meetings (MoM).
• Ability to mentor and support graduate and junior BIM engineers, contributing to team capability development.
• Experience in coordinating CAD and BIM model inputs for multi disciplinary projects.
• Proficiency and strong working knowledge of AutoCAD.

CAD Proficiency (Mandatory)

CAD Tools

• AutoCAD (Expert level)
• Tunnel profiles and alignments
• Longitudinal sections, cross sections
• Reinforcement detailing
• AutoCAD Civil 3D
• Surfaces, alignments, corridors
• Tunnel centrelines and profile

Tunnel Engineering Knowledge

Tunnel Types

• TBM Tunnels
  • Segmental lining modelling
  • Ring build logic
  • Gasket grooves and bolt pockets
• NATM / SEM / Drill & Blast Tunnels
  • Primary and secondary lining
  • Shotcrete, lattice girders, rock bolts
• Cut & Cover Tunnels
• Shafts and Portals

Structural Elements

• Segment liners
• Temporary and permanent supports
• Cross passages
• Emergency exits
• Ventilation ducts and niches
• Invert slabs and drainage systems
• Instrumentation & Monitoring drawings
• Ground surface settlement contours
• Construction sequence drawings

Reinforcement & Detailing Skills

• RC detailing for
• Segment linings
• Tunnel walls, slabs, invert
• Shafts and portals
• Preparation of
  • Bar bending schedules (BBS)
  • Fabrication drawings
• Knowledge of rebar codes, shapes, and standards

Survey & Geotechnical Integration

• Use of
  • Survey coordinates and control points
  • Geological profiles and borehole data
  • Geological cross and Longitudinal sections
• Modelling ground layers, rock classes, and excavation zones
• Coordination with geotechnical drawings and reports

Deliverables & Outputs

• General Arrangement (GA) drawings
• Longitudinal & cross sections
• Reinforcement drawings
• As‑built drawings/models

Experience Requirements

• 05–10 years in in tunnel or underground infrastructure projects.
• Experience on
  • Metro / Rail tunnels
  • Road tunnels
  • Utility or underground stations (preferred)
• Prior involvement in international projects & exposure to various level of details is an advantage
• Hands on experience on Revit, Rhino & Dynamo will be an advantage.

Rewards & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Worker Type

Contingent Worker

Job Type

Loan of Personnel

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.