Modeller - BIM, Mechanical - Data Center

Key Responsibilities

HVAC Design Support, Drafting & BIM:

• Develop HVAC schematics and single-line / line diagrams for data center HVAC systems using AutoCAD.
• Prepare high-level Bills of Material (BOM) and support quantity take-offs for design development and cost planning.
• Produce HVAC layouts, including ducting, piping, and equipment layouts in AutoCAD and Revit.
• Create and maintain Revit HVAC models up to LOD 300–400 for data center facilities.
• Develop coordinated drawings for:
• Chilled Water Systems
• CRAH / AHU and data hall cooling layouts
• Mechanical plant rooms and external plant gantries
• Support spaces such as MMRs, IDFs, battery rooms, and UPS rooms

• Diploma / BE / BTech in Mechanical Engineering

Experience

• 5–10 years of experience in HVAC drafting and BIM modelling.
• 3–5 years of experience in data center or mission-critical projects preferred.
• Proven experience in AutoCAD- HVAC delivery role.

MEP Coordination & Documentation

• Perform MEP coordination in Revit, identifying and resolving clashes with electrical, structural, architectural, and fire systems.
• Support design reviews by incorporating comments from HVAC leads, BIM managers, and project stakeholders.
• Ensure HVAC layouts align with data center operational, redundancy, access, and maintenance requirements.
• Maintain drawing registers, model versions, and document control in line with project standards.

Quality Assurance

• Deliver drawings and models in compliance with project specifications, BIM execution plans, and internal QA/QC procedures.
• Ensure accuracy, consistency, and constructability of HVAC documentation.
• Support revisions during design development and coordination stages.

Mandatory Technical Skills

• Strong proficiency in AutoCAD for HVAC drafting and schematic development.
• Strong proficiency in Revit (latest versions) for HVAC modelling and MEP coordination.
• Working knowledge of data center HVAC systems, including:

1. Chilled water and CRAH-based cooling systems
2. Plant room layouts and support infrastructure

• Understanding of data center redundancy concepts (N, N+1, N+2).
• Ability to interpret HVAC design intent, specifications, and engineering inputs.

Desirable / Added Skills

• Exposure to liquid cooling or high-density data center cooling solutions.
• Familiarity with Uptime Tier concepts (Tier II / III / IV).
• Experience supporting CFD studies and translating results into layouts.
• Experience on hyperscale or colocation data center projects.

Soft Skills

• Strong attention to detail and commitment to drawing quality.
• Ability to work in a fast-paced, multi-disciplinary environment.
• Willingness to support senior engineers and mentor junior team members.
• Flexibility to manage iterative design changes.
• Good communication skills (verbal and written) to support coordination with engineers and BIM teams.
• Ability to clearly understand, document, and communicate design changes, comments, and coordination issues in drawings, models, and reports.

Why Join Ramboll:

• Be part of an international team delivering state-of-the-art healthcare facilities in the UK and Nordic region.
• Exposure to global best practices, multidisciplinary collaboration, and advanced digital tools.
• Opportunities for professional development, learning, and career advancement within a leading global consultancy.