Senior Mechanical & HVAC Engineer Data Center - Chennai / Noida / Hyderabad

Company DescriptionWorking at RambollTo work at Ramboll means being part of a people organisation. We are focused on knowledge sharing and collaboration across competence areas and geography, and we aim for a strong diversity among our employees. This enables us to solve a broad range of projects, and we firmly believe that cross-collaboration leads to creative and longstanding solutions. Thus, the possibilities at Ramboll are many and diverse we invest a lot in the development of people and offer career paths tailored for each individual.Ramboll in Middle East, Asia Pacific and AfricaRamboll has more than 1,500 experts working across 15 offices in the Middle East, Asia Pacific and Africa. We are present in Dubai, Doha, Saudi Arabia, Qatar, the United Arab Emirates, China, India, Malaysia, Hong Kong, Australia, New Zealand, Singapore and South Africa. Our experts are applying their passion to deliver innovative solutions in markets as diverse as Buildings, Transport, Planning & Urban Design, Water, Environment & Health and Energy. Founded in Denmark, Ramboll is a people company. We invite you to contribute to a sustainable future working in an open, collaborative and empowering culture. Role OverviewThe Senior Electrical Design Engineer will act as a technical lead and subject matter expert for mission-critical Data Center projects, responsible for end-to-end electrical system design, engineering, coordination, and commissioning support.This role requires full ownership from concept development and system topology definition to detailed design, construction support, commissioning, and performance validation, ensuring delivery of highly resilient, scalable, and efficient power infrastructure.You will engage directly with client-side SMEs, utilities, global stakeholders, and multidisciplinary teams, leading technical discussions and resolving complex engineering challenges.In case you have no prior Data Center experience, you have good to great electrical system design experience from LoD200 to LoD400 in areas mentioned in the description, you can apply too.Job DescriptionKey ResponsibilitiesClient Engagement & Technical LeadershipAct as the primary HVAC technical interface with clients and stakeholdersLead high-level technical discussions, challenge design assumptions, and drive solutionsClearly articulate design intent, risks, and trade-offs to client SMEsOwn preparation of:Basis of Design (BOD)Design Basis Reports (DBR)Technical narratives and presentationsDesign Leadership & Engineering Ownership2.a. Data Center Cooling Strategy & System DesignLead design of:Air-cooled & water-cooled chilled water systemsCRAH / CRAC / AHU-based cooling systemsHigh-density cooling (liquid cooling readiness, rear door heat exchangers, etc.)Define airflow strategies:Hot aisle / cold aisle containmentPressurization & airflow managementEstablish resilience strategies (N, N+1, N+2, 2N) aligned with Uptime Tier 2.b. Engineering Calculations & Technical ValidationPerform and review:Heat load calculations (HAP / Trace or equivalent)Hydraulic calculations (pump head, pipe sizing, system balancing)Airside design (duct sizing, static pressure, ventilation, smoke extraction)Lead and review CFD modelling and thermal performance analysisDefine and validate control philosophy (BMS / EPMS integration) 2.c. Detailed Design & DocumentationLead development of:Concept design, Technical Specifications & RFP documents/design, schematic design, and detailed design (IFC level)Equipment layouts, plant rooms, piping and duct routingReview and approve:AutoCAD & BIM (Revit) modelsSchematics, layouts, and construction drawingsEnsure alignment with:ASHRAE / ISHRAETIA-942Uptime Institute guidelines 2.d. Coordination & Project DeliveryLead multidisciplinary coordination with:Electrical, Structural, Architectural, Fire Protection, and BIM teamsOptimize:Expert Space planningRouting of ducts, pipes, and equipment layoutsSupport procurement:Technical specificationsBOQsVendor evaluations and submittal reviews2.e. Construction - supportProvide technical support during:Construction and installationSite inspections and issue resolutionParticipate in:Data center audits (BCA / ICCA)GAP analysis and remediation strategies Team Leadership & Quality AssuranceLead and mentor a team of HVAC engineers and BIM modelersDrive design quality, standardization, and best practicesOwn:Design risk managementChange controlTechnical issue resolution QualificationsMandatory Skills & ExperienceTechnical ExpertiseStrong experience in Data Center HVAC systems, including:Chillers, CRAH/CRAC, AHU, pumps, DX systemsCooling of data halls, UPS rooms, battery rooms, and support spacesDeep understanding of:Uptime Tier III / IV requirementsMission-critical redundancy and reliabilityExperience with:CFD modelling and airflow optimizationEnergy-efficient cooling strategies Tools & Digital CapabilityAutoCAD (mandatory for concept design)Load calculation tools (HAP / Trace)CFD tools (6Sigma or