- Position Summary

The Mechanical Subject Matter Expert (SME) / Mechanical Subject Manager is responsible for providing technical leadership, governance, and delivery assurance for all mechanical systems on data center construction projects delivered under a Project Management Consultancy (PMC) model.

Acting as the client's technical representative for mechanical disciplines, this role ensures that mechanical design, construction, testing, commissioning, and handover activities meet mission-critical performance requirements, applicable standards, and client operational objectives. The position works in close collaboration with Project Managers, Project Directors, consultants, contractors, and vendors to ensure coordinated, compliant, and high-quality delivery across one or multiple data center projects.

- Key Responsibilities

Mechanical Scope Leadership

- Lead and manage all mechanical aspects of data center projects from design development through construction, commissioning, and handover.

- Provide technical governance and assurance to ensure alignment with client standards, operational requirements, and project objectives.

- Act as the primary technical authority for mechanical systems within the PMC delivery team.

Design Review &

- Technical Approvals

- Review and provide technical input on mechanical designs, specifications, calculations, layouts, and schematics.

- Review and comment on shop drawings, material submittals, method statements, and installation procedures.

- Ensure mechanical designs comply with applicable codes, standards, client requirements, and data center best practices.

- Support resolution of design queries and technical clarifications during construction.

Contractor &

- Consultant Coordination

- Coordinate closely with mechanical contractors, subcontractors, vendors, and multidisciplinary consultants.





- Provide on-site technical oversight to ensure works are executed in accordance with approved designs and quality standards.

- Participate in technical workshops, coordination meetings, and site progress reviews.

- Manage interfaces between mechanical systems and other disciplines including electrical, ICT, controls, fire protection, and civil works.

- Support timely resolution of construction, technical, and interface-related issues.

Construction Oversight, Testing &

- Commissioning

- Monitor mechanical installation, testing, and commissioning activities on site.

- Review and approve inspection and test plans (ITPs), factory acceptance tests (FATs), site acceptance tests (SATs), and commissioning procedures.

- Support integrated systems testing (IST), including full-load and resilience testing where applicable.

- Verify mechanical system performance against redundancy, reliability, and operational criteria.

- Support readiness-for-operations activities and transition to facilities and operations teams.

Risk, Quality &

- Safety Support

- Identify mechanical-related risks and support development of mitigation measures.

- Ensure compliance with quality assurance processes, safety requirements, and statutory regulations.

- Participate in safety reviews, audits, and incident investigations related to mechanical works.

- Support close-out of non-conformances, defects, and punch list items prior to handover.

- Technical Expertise (Data Center Focus)





- Data center and mission-critical mechanical systems delivery.

- Cooling technologies including CRAC/CRAH units, chilled water systems, DX systems, free cooling, and liquid cooling solutions.

- HVAC systems, airflow management, and hot aisle / cold aisle containment strategies.

- Mechanical redundancy architectures (N, N 1, 2N, distributed systems).

- Heat rejection systems including cooling towers, dry coolers, and adiabatic systems.

- Interface with fire protection and life safety systems.

- Compliance with Uptime Institute Tier I–IV standards.

- Knowledge of relevant codes and standards including ASHRAE, NFPA, and applicable local regulations.

- Qualifications &
- Experience

Education

- Bachelor's degree in Mechanical Engineering or an equivalent technical discipline.

Experience

- 15-20 years of overall experience in mechanical engineering or mechanical systems delivery.

- Direct experience on data center or mission-critical infrastructure projects.

- Proven experience supporting full lifecycle delivery from design through commissioning and handover.

Professional Certifications (Preferred, Not Mandatory)

- Chartered Engineer (CEng), Professional Engineer (PE), or equivalent.

- Data center–specific certifications (e.g., Uptime Institute ATD, CDCP).

- Commissioning or HVAC-related certifications are an advantage.

- Core Competencies

- Strong technical judgment and attention to detail.

- Effective contractor coordination and interface management skills.

- Explicit and confident communication with clients and multidisciplinary project teams.

- Practical problem-solving and technical decision-support capability.

- Ability to perform effectively in fast-paced, high-risk, mission-critical delivery environments.

- Proactive, collaborative, and delivery-focused mindset.

📌 Mechanical Lead (Secunderabad)
🏢 JLL
📍 Secunderabad