Sr. Engineer - Mechanical

About RackBank Datacenters: RackBank Datacenters is a fast-growing and trusted data center company committed to powering digital transformation with secure, scalable, and efficient IT infrastructure solutions. With state-of-the-art data centers in India and a strong client base across multiple industries, RackBank is focused on delivering next-gen cloud and colocation services. Our Vision: To build India’s most reliable and trusted data center and digital infrastructure ecosystem, empowering enterprises and governments with secure, scalable, and future-ready infrastructure. Why join RackBank: Be part of a high-trust, ownership-driven work culture Gain exposure to real-world infrastructure operations and decision-making Grow with the organization as we expand our data center footprint Freedom to take initiative and own outcomes, not just tasks Make a meaningful impact in building India’s digital infrastructure backbone Role Overview: The Sr. Mechanical Engineer will be responsible for execution, supervision, and maintenance of HVAC, mechanical, plumbing, and fire-fighting systems for critical data centre infrastructure. The role involves vendor/contractor coordination, technical drawing review, quality compliance, testing & commissioning, and ensuring reliable operation of critical cooling systems. Key Responsibilities: Execution and supervision of HVAC, plumbing and fire-fighting works at site against approved GFC drawings Technical review of vendor GTP / QAP, drawings and BOQ deviations Contractor and OEM coordination, progress tracking, quality and safety compliance Material inspection, receipt checklists and installation checklists Support to testing, commissioning and handover documentation Key Requirements: Must Have B.E. / B.Tech – Mechanical (full-time). Diploma with 8+ years may be considered. Chilled water systems – air-cooled / water-cooled chillers, primary-secondary pumping, thermal storage tanks. CRAC / CRAH / in-row units, RDHX, AHUs, dry coolers and heat rejection systems. Chilled water piping – headers, valves, strainers, expansion tanks, insulation, hydraulic balancing. Ducting, air distribution, hot / cold aisle containment and airflow management. VESDA, fire suppression (NOVEC / FM200 / inert gas), fire pumps, sprinklers and smoke extraction. Ventilation, pressurisation, plumbing, water treatment and make-up water systems. Testing & commissioning – flushing, hydro testing, TAB, IST / SAT, load bank and integrated system testing. Reading and checking schematics, P&IDs, equipment layouts, GA drawings, load and pipe sizing calculations. Preferred Background: Experience on Tier III / Uptime-certified or Rated-3 facilities Exposure to N+1 and 2N redundancy topologies and PUE / WUE-driven design Direct-to-chip liquid cooling (DCLC), CDUs, immersion cooling or other high-density cooling deployments Vendor / OEM interface – Trane, Vertiv, Schneider, Carrier, Daikin, Grundfos, Kirloskar …