Lead Ventilation Systems Expert – Semiconductor Facilities Design (Cleanroom, HVAC & CFD)

Deerns; Thane; On-site; INR 3,500,000 - 5,500,000; Full time

Job summary

Deerns India is seeking a highly experienced Lead Ventilation Systems Expert to steer the technical strategy and design governance for semiconductor facilities. The role focuses on cleanroom HVAC, FFU and process exhaust systems for high‑tech manufacturing.

You will lead CFD analyses, validate airflow, and ensure energy efficiency, safety and regulatory compliance across complex projects. Senior professionals with 15+ years in HVAC and cleanroom environments are encouraged to apply.

Qualifications

• Bachelor's or master's degree in mechanical/HVAC engineering.
• 15+ years in HVAC and Clean Room systems design.
• 5+ years in semiconductor/high-purity facilities preferred.
• CFD tools and energy modelling experience.
• Knowledge of ISO cleanroom classifications, process exhaust interfaces, and contamination control.

Responsibilities

• Lead HVAC and cleanroom design governance from concept to detailed engineering.
• Oversee FFU, process exhaust, scrubber integration and energy efficiency.
• Review DBDs, PFDs, P&IDs, and vendor submissions.
• Coordinate with CFD specialists for validation and optimization.
• Ensure compliance with ISO cleanroom standards and environmental regulations.
• Support commissioning and validation activities.

Skills

Leadership

Project management

Communication

Contamination control

Cross-functional collaboration

Problem solving

Education

Bachelor’s/Master’s degree in mechanical / HVAC Engineering

Tools

AutoCAD

Revit

CFD software (ANSYS Fluent / 6SigmaRoom)

Energy modelling tools

Job description

Lead Ventilation Systems Expert – Semiconductor Facilities Design (Cleanroom, HVAC & CFD)

Location: Mumbai, India (office in Thane West)

Job Status: Permanent

Sector: Semiconductor / High-Tech Manufacturing

Salary: Competitive and negotiable

Job Title: Lead Ventilation Systems Expert

About Deerns

Deerns is a multinational consultancy, design, and engineering firm specializing in high-end MEP (Mechanical, Electrical & Plumbing) advisory, design, and engineering for mission-critical and high-tech facilities. With a legacy of 97+ years, we deliver world-class solutions for data centres, healthcare, life sciences, microelectronics, and airports.

With ~750 experts across 17 offices in 10 countries, Deerns provides services from strategic consulting, master planning, and specialist engineering to sustainability consulting and digital roadmaps. We are driven by our core values: entrepreneurship, design reputation, integrity, cooperation, and competence.

Deerns Spectrum Private Limited is our joint venture in India with Spectrum PharmaTECH Consultants, expanding our expertise across India, South Asia, and East Africa.

We are entering a high-growth phase in India and are seeking senior cleanroom and ventilation specialists with semiconductor, electronics manufacturing, or closely related mission‑critical HVAC experience to strengthen our high‑tech engineering capability.

Job Overview

Deerns India is seeking a highly experienced Ventilation Systems Expert to lead the technical strategy, design governance, and optimization of advanced cleanroom HVAC, ventilation, and process exhaust systems for semiconductor and electronics manufacturing facilities.

This role is critical to Deerns India’s high‑tech growth agenda, combining semiconductor‑grade cleanroom expertise with leadership in energy‑efficient, safe, and buildable ventilation solutions across complex project environments.

The role covers the following core technical domains:

• FFU-based air systems (with and without chilled coils)
• Process exhaust systems with scrubber integration
• Heating and cooling systems
• CFD-based airflow analysis and optimization

The ideal candidate will bring strong expertise in cleanroom airflow engineering, contamination control, HVAC system design, and CFD analysis, ensuring systems meet stringent performance, safety, and energy efficiency requirements.

Key Responsibilities

• Technical Leadership & Design Governance

Lead ventilation design strategy from concept through detailed engineering, ensuring cleanroom HVAC, FFU, process exhaust, and scrubber integration decisions are technically sound, buildable, and aligned with project objectives.

• ISO Class cleanroom HVAC systems (ISO 1–8)
• FFU-based ventilation systems:
  • Without chilled coils (fan‑driven / Dedicated Outdoor Air System (DOAS))
  • With chilled coils (AHU-supported systems)
• Heating and cooling systems for high‑load facilities
• Process exhaust systems (general and hazardous)
• Scrubber and abatement system integration

Provide senior review of design basis documents, PFDs, P&IDs, HVAC schematics, airflow calculations, system sizing, and vendor submissions.

• Design Basis Documents (DBD)
• PFDs, P&IDs, HVAC schematics
• Airflow (ACPH), load calculations, and system sizing

Ensure compliance with semiconductor cleanroom performance expectations, safety requirements, environmental regulations, and Deerns’ engineering quality standards.

• Semiconductor cleanroom performance standards
• Safety and environmental regulations
• Cleanroom Airflow, CFD & Contamination Control

Lead or review CFD‑led airflow studies to validate cleanroom airflow distribution, particle control, temperature and humidity uniformity, process heat dissipation, and contamination risk mitigation.

• Cleanroom airflow distribution
• Particle control and contamination risks
• Temperature and humidity uniformity
• Process heat dissipation

Translate simulation results into practical engineering decisions, including FFU layout, airflow regimes, pressure cascades, environmental control philosophy, and mitigation of turbulence, dead zones, and hotspots.

• Validate airflow design concepts
• Optimize FFU layout and ceiling coverage
• Identify and mitigate dead zones, turbulence, and hotspots

Coordinate With CFD Specialists (if Applicable) And Ensure:

• Practical applicability of simulation results
• Alignment with engineering design and site conditions
• Cleanroom & Contamination Control Design

Define:

• Airflow regimes (laminar vs mixed flow)
• Pressure cascades between zones
• Environmental control philosophy

Ensure:

• Uniform airflow distribution
• Compliance with ISO particle limits
• Stable environmental conditions for process tools
• Energy Efficiency & System Optimization

Design energy‑efficient HVAC systems while maintaining cleanroom standards

Optimize:

• Air change rates vs contamination requirements
• FFU energy consumption and fan efficiency
• Pressure drops across ducts and filters

Implement:

• Demand‑controlled ventilation strategies
• Variable airflow systems (VAV/hybrid)
• Efficient chilled water integration

Perform:

• Energy modelling and lifecycle cost (LCC) analysis
• Heating & Cooling System Design

Develop HVAC Systems To Manage:

• High internal heat loads from process tools

Integrate:

• Chilled water systems
• Heating systems

Ensure:

• Tight temperature and humidity control tolerances
• Stable thermal performance under dynamic loads
• Process Exhaust & Scrubber Systems

Design:

• High‑volume and hazardous exhaust systems
• Corrosion‑resistant ducting systems

Integrate:

• Wet scrubbers
• Dry scrubbers
• Abatement systems

Ensure:

• Safe handling of toxic and corrosive exhaust streams
• Project Execution

Support:

• Concept, FEED, and detailed engineering phases

Review:

• EPC contractor designs
• Vendor equipment and system designs

Participate In:

• Design reviews
• HAZOP and risk assessments
• Value engineering workshops
• Multidisciplinary Coordination

Interface With:

• Process engineering teams
• Cleanroom planners and tool vendors
• Utilities teams (water, gases, chemicals)

Ensure:

• Integration between ventilation, process tools, and exhaust systems
• Commissioning & System Performance

Support Commissioning And Validation:

• Cleanroom classification (ISO compliance)
• Airflow balancing and testing

Validate:

• CFD predictions vs actual performance
• System stability and environmental control
• Sustainability, Candidate Profile & Compliance

Drive energy‑efficient cleanroom ventilation strategies that balance contamination control, lifecycle cost, carbon reduction, and operational resilience.

• Energy efficiency and sustainability targets
• Support green building certifications such as LEED or equivalent while maintaining semiconductor‑grade performance and safety requirements.
• Green building certifications (LEED or equivalent)
• Contribute To: Carbon reduction and energy optimization strategies

Why Join Us

• Work on cutting‑edge Electronics projects with leading industry experts.
• Be part of a company that values technical excellence & innovation.
• Lead high‑impact, mission‑critical projects shaping the future of digital infrastructure.
• Our clients include a mixture of key regional and international players in the Semiconductor industry

Skills & Competencies Required

• Bachelor’s / master’s degree in mechanical / HVAC Engineering.
• 15+ years of experience in HVAC and Clean Room systems design.
• 5+ years of Experience in semiconductor / high‑purity / mission‑critical facilities preferred.
• Semiconductor or electronics manufacturing cleanroom ventilation experience is strongly preferred; candidates from data centres or other mission‑critical HVAC environments should demonstrate clear exposure to contamination control, high air‑change systems, and precision environmental performance.
• Strong understanding of semiconductor cleanroom best practices, ISO classification expectations, pressure control, process exhaust interfaces, and high air‑change‑rate systems.
• Experience with CFD tools (e.g., ANSYS Fluent, 6SigmaRoom, or equivalent) and Energy modelling tools
• Knowledge of global and Indian design standards and environmental regulations.
• Proficiency in engineering tools such as AutoCAD, Revit, PFD’s and AFD’s development platforms.
• Strong capability in design review, technical governance, and vendor coordination
• Excellent problem‑solving, stakeholder management, and communication skills
• Ability to work in multidisciplinary and international project teams