Job Title

Job DescriptionPosition Title: Design Engineer – HVAC (Data Center)Company Name & Location: L&T Vyoma,PowaiEmployment Type: Full Time(Mumbai settled)Position OverviewThe HVAC Design Engineer – Data Center will be responsible for the design, analysis, and coordination of cooling systems for mission-critical Data Center facilities. The role involves developing high-reliability HVAC solutions including air-cooled systems, Direct Liquid Cooling (DCLC), Liquid Immersion Cooling (LIC), and Plate Heat Exchanger (PHE) systems.The candidate will work closely with multidisciplinary teams to deliver efficient, scalable, and redundant cooling infrastructure that meets Data Center operational standards and international design guidelines.Key ResponsibilitiesHVAC System DesignDevelop conceptual, schematic, and detailed HVAC designs for Data Center facilities.Perform cooling load calculations and equipment sizing for mission-critical environments.Design and prepare layouts for:Chilled water systemsSFN systemsPrecision cooling systems (CRAH / CRAC/FWU/PAHU)Air-cooled chiller plantsCooling distribution systemsDevelop HVAC equipment schedules, technical specifications, and design documentation.Plumbing System DesignDevelop conceptual, schematic, and detailed designs for plumbing systems.Design systems including:Domestic water supply systemsCold and hot water distributionDrainage and wastewater systemsStorm water drainage systemsSewage systemsPrepare plumbing layouts, riser diagrams, and system schematics.Data Center Cooling SystemsDesign and support implementation of advanced cooling technologies including:Air-Cooled SystemsDesign air-cooled chiller systems and condenser systems.Develop redundancy configurations (N, N+1, 2N) for critical infrastructure.Implement airflow management strategies such as:Hot aisle / Cold aisle containmentRaised floor cooling distributionOverhead cooling solutions.Direct Liquid Cooling (DCLC)Design Direct-to-Chip liquid cooling infrastructure.Develop Cooling Distribution Unit (CDU) systems and piping networks.Coordinate integration between IT equipment and cooling systems.Liquid Immersion Cooling (LIC)Design solutions for single-phase and two-phase immersion cooling systems.Support integration of immersion tanks with heat rejection systems.Coordinate with IT vendors and equipment manufacturers.Plate Heat Exchanger (PHE) SystemsDesign and integrate Plate Heat Exchangers within cooling loops.Support primary-secondary chilled water separation.Evaluate free cooling and heat recovery strategies using PHE systems.Perform thermal calculations and PHE selection.Engineering AnalysisPerform:Cooling load calculationsHydraulic calculations for chilled water systemsEnergy efficiency analysisSupport development of energy-efficient cooling strategies.Design DocumentationPrepare engineering documentation including:HVAC design reportsEquipment sizing calculationsTechnical specificationsBill of Quantities (BOQ)Design drawings and layoutsTender documentationMultidisciplinary CoordinationCoordinate HVAC designs with:Electrical systemsStructural engineeringArchitectural layoutsIT infrastructure teamsParticipate in design coordination meetings and technical reviews.Support BIM coordination and clash detection activities.Standards & ComplianceEnsure all designs comply with applicable standards including:ASHRAE – Thermal Guidelines for Data CentersTIA-942/Uptime Data Center StandardsUptime Institute Tier GuidelinesASHRAE 90.1 Energy StandardsLocal authority and building codes.Required QualificationsBachelor’s Degree in Mechanical Engineering or equivalent.Experience7–8 years of HVAC design experience in MEP / Data Center / mission-critical facilities.Minimum 2 years of experience in Data Center HVAC design.Technical SkillsData Center cooling designAir-cooled chiller systemsDirect Liquid Cooling (DCLC)Liquid Immersion Cooling (LIC)Plate Heat Exchanger (PHE) systemsHVAC load calculationsChilled water systemsAdiabatic cooling, Dry cooling.Free cooling.Economizer.Software ProficiencyAutoCADRevit MEP / BIMHVAC load calculation software (HAP / IES / similar tools)Microsoft Office SuiteKey CompetenciesStrong analytical and engineering problem-solving skillsCoordinate with consultants, PMC, site execution.Understanding of mission-critical cooling infrastructureAbility to design high availability HVAC systemsStrong coordination and communication skillsAttention to detail and commitment to engineering qualityAdded knowledge of basic Plumbing services shall be an advantage.Preferred ExperienceExperience with Hyperscale or Colocation Data CentersExposure to BIM-based project environmentsExperience in energy-efficient cooling strategies and sustainability initiatives