Modeller - BIM, Electrical - Data Center

Ramboll Group; Chennai District; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Ramboll invites applications for an Electrical Modeller - BIM for Data Center projects, primarily based in Chennai with potential roles in Mumbai or Gurugram. You will translate electrical design intent into detailed layouts, SLDs, and BOQs for large-scale facilities, ensuring constructability and coordination across disciplines.

The role requires strong AutoCAD 2D skills, HT/MV/LV system knowledge, and experience converting SLDs into practical layouts while coordinating with BIM teams.

Qualifications

• Expert in AutoCAD 2D and electrical systems.
• Ability to convert SLDs into real layouts and ensure constructability.
• Experience with BOQ preparation and technical specifications.

Responsibilities

• Electrical SLDs, space planning and layout design for data centers.
• Cable routing and pathway design for HT/MV/LV cables.
• Prepare BOQs and technical documentation for Electrical systems.
• Earthing and lightning protection design coordination.
• Coordination with MEP, BIM teams and site teams for constructability.

Skills

AutoCAD 2D

HT/MV/LV electrical systems

Substation layouts

SLD interpretation

BOQ preparation

Technical specifications

Earthing & lightning

Education

Diploma / BE in Electrical Engineering

Tools

Revit

Job description

Modeller - BIM, Electrical - Data Center

Job Location: Chennai (Preferred) | Mumbai | Gurugram | Noida

About Ramboll

Founded in Denmark, Ramboll is a foundation-owned people company. We have more than 18,000 experts working across our global operations in 35 countries. Our experts are leaders in their fields, developing and delivering innovative solutions in diverse markets including Buildings, Transport, Planning & Urban Design, Water, Environment & Health, Energy, and Management Consulting. We invite you to contribute to a more sustainable future working in an open, collaborative, and empowering company. Combining local experience with global knowledge, we together shape the societies of tomorrow.

Do you want to push the boundaries of your profession and develop your excellence in an open, collaborative, and empowering culture? We work to create a sustainable future and our inspiring projects and innovative solutions aim to set the standard among our peers. You will join a global company that has been growing successfully since its founding in 1945. Together, we lead and leave a positive impact on societies, companies, and people around the world.

The Electrical Modeller - BIM, Data Center will be responsible for detailed electrical layout planning, SLD interpretation/development, cable routing design, and preparation of BOQs and specifications for large-scale Data Centers (multi-megawatt facilities).

This role requires strong expertise in AutoCAD, electrical systems, and spatial coordination, ensuring all designs are technically accurate, fully coordinated, and constructible.

You will bridge the gap between electrical engineering intent (SLDs) and real-world execution (layouts, routing, installation feasibility).

Key Responsibilities

1. Electrical SLDs & Space Planning & Layout Design (CORE ROLE)

a. Substation & HT System Layout

• Develop layouts for:
  • Data Center Campus from Sub-station to Data Halls
  • Transformers, RMUs, HT panels
• Plan - Equipment placement, maintenance clearances, access paths
• Design – From SLD to cable/bus-duct routing (trenches, bus bar, ducts, shafts, overhead systems) for IT load, Mechanical Power, House power, and ELV Cables.)
• HT switchgear
• Transformers
• Define:
  • Cable routing paths and segregation
  • Equipment positioning and alignment
• Develop layouts for:
  • MV panels, LV panels, MDBs
  • UPS systems and battery rooms
• Ensure: Efficient routing and space optimization

d. Low Voltage System Planning for IT Load, Mechanical Power and House load.

• UPS skids, PDUs, RPPs
• Plan:
  • Busbar routing, clearances, and supports
  • Cable tray routing and segregation

2. Cable Routing & Pathway Design (VERY IMPORTANT)

• Design routing for:
  • HT / MV / LV cables
  • Control and auxiliary cables
• Plan:
  • Trenches, shafts, trays, and underground routing
• Ensure:
  • Segregation (redundancy paths, A/B feeds)
  • Minimal congestion and constructability
• Develop and/or interpret:
  • Electrical SLDs for data center power systems
• Align:
  • SLD with physical layouts and routing
• Ensure:
  • Consistency between design intent and execution

4. BOQ & Technical Documentation

• Prepare:
  • BOQs for electrical systems
  • Equipment schedules (HT, MV, LV, UPS, Generators, Chillers, Pumps etc.)
• Develop:
  • Technical specifications for:
    • Electrical equipment
    • Cables (HT/MV/LV)
    • Bus ducts / busways
• Support:
  • Tender documentation and procurement

5. Earthing & Lightning Protection Design (CRITICAL ADDITION)

a. Campus Earthing System

• Plan:
  • Overall earthing grid for data center campus
  • Earth pit locations and grid layout
• Ensure:
  • Compliance with IS / IEEE standards
  • Integration with substations and DG areas

b. Building Earthing System

• Design:
  • Internal earthing system for:
    • Electrical rooms
    • Data halls
    • UPS and battery rooms
• Coordinate:
  • Equipment earthing and bonding
  • Clean earth / technical earth systems

6. Coordination & Clash-Free Design

• Coordinate with:
  • Mechanical (HVAC), Architecture, Structural teams
• Space conflicts and routing clashes
• Coordination reviews and BIM integration

7. Drawing Production & Quality

• Prepare:
  • Layout drawings, routing plans, sections
• Maintain:
  • High-quality AutoCAD standards
• Ensure:
  • Clear, coordinated, and construction-ready drawings

8. Constructability & Site Support

• Ensure:
  • Installation feasibility
  • Maintenance access
• Support:
  • Site teams with clarifications
  • Shop drawing reviews

1. Technical Skills (NON-NEGOTIABLE)

• Expert in:
  • AutoCAD (2D – mandatory)
• Strong understanding of:
  • HT / MV / LV electrical systems
  • Substation layouts and power distribution
• Ability to:
  • Convert SLD into real layouts
• Experience in:
  • BOQ preparation
  • Technical specifications
• Knowledge of:
  • Earthing and lightning protection systems

3. Domain Experience

• Experience in:
  • Data Centers / Industrial / Large infrastructure projects

4. Coordination Skills

• Strong multidisciplinary coordination capability
• Understanding of:
  • Space planning and clash resolution

5. Communication

• Ability to:
  • Understand engineering intent
  • Coordinate with design teams

Qualifications:

• Diploma / BE in Electrical Engineering

Good to Have:

• Experience in Data Center projects
• Basic knowledge of:
  • Revit / BIM coordination
• Familiarity with:
  • Uptime / TIA-942 standards

Ramboll in India

Ramboll has more than 1,000 experts working across five offices in India applying their passion to deliver innovative solutions in markets as diverse as Buildings, Transport, Planning & Urban Design, Water, Environment & Health and Energy. Founded in Denmark, Ramboll is a people company. We invite you to contribute to a sustainable future working in an open, collaborative and empowering culture.