Title:Lead Mechanical Engineer , HVAC- GreenfieldBelong, Connect, Grow, with KBR!The KBR team delivers future-forward science, technology and engineering solutions and mission-critical services that help governments and companies around the world accomplish their most important objectives, while also helping achieve their sustainability goals. KBR Sustainable Technology Solutions provides holistic and value-added solutions across the entire asset life cycle. These include world-class licensed process technologies, differentiated advisory services, deep technical domain expertise, energy transition solutions, high-end design and engineering capabilities, and smart solutions to optimize planned and operating assets. Job Title:Lead Mechanical Engineer , HVAC- Greenfield KBR Abu Dhabi PMC Team is currently seeking experienced professionals for the position listed below in support of a major Offshore Project. The role will be based at either the Client's Office or the Contractor's Office in Abu Dhabi, UAE.Job PurposeLead and manage all HVAC engineering activities for ADNOC Offshore Greenfield projects during Concept, FEED, Detailed Engineering, Procurement, Construction, Commissioning, and Start-up phases. Ensure HVAC systems are designed and implemented in compliance with ADNOC Offshore standards, international engineering codes, offshore environmental requirements, safety regulations, and project objectives.The role is responsible for delivering reliable, safe, energy-efficient, and maintainable HVAC and pressurization systems for offshore facilities including Wellhead Towers, Central Processing Platforms (CPP), Utility Platforms, Living Quarters, Electrical Buildings, Telecom Shelters, and Process Facilities.Key ResponsibilitiesTechnical LeadershipLead HVAC engineering activities for offshore oil and gas projects.Manage and supervise HVAC engineers and designers.Ensure engineering deliverables are completed in accordance with project schedules and quality requirements.Provide technical guidance, mentoring, and support to project teams.Coordinate effectively with multidisciplinary engineering teams including Process, Mechanical, Electrical, Instrumentation, Telecom, Civil, Structural, and HSE disciplines.Participate in engineering reviews, model reviews, constructability reviews, and project meetings.HVAC System Design and EngineeringDevelop HVAC Design Basis, Design Philosophy, and project specifications.Perform and review HVAC calculations including:Cooling Load CalculationsHeating Load CalculationsVentilation CalculationsPressurization StudiesEquipment Sizing CalculationsAirflow Distribution AnalysisDesign and review HVAC systems for:Control RoomsElectrical SubstationsTelecom RoomsInstrument Equipment RoomsAnalyzer SheltersUtility BuildingsLiving QuartersWorkshopsWarehousesProcess BuildingsReview and approve:HVAC Layout DrawingsDuct Routing LayoutsAir Distribution DiagramsEquipment Arrangement DrawingsVentilation SchematicsMaterial Requisitions and DatasheetsHVAC Equipment EngineeringReview and approve specifications and datasheets for:Air Handling Units (AHUs)Fresh Air Handling Units (FAHUs)Packaged HVAC UnitsChillersSplit and VRF SystemsPressurization UnitsExhaust FansSmoke Extraction SystemsDuctwork SystemsHVAC Control SystemsEnsure equipment selection is suitable for offshore and hazardous-area applications.Compliance and SafetyEnsure compliance with:ADNOC Offshore StandardsADNOC Engineering SpecificationsASHRAE StandardsSMACNA StandardsNFPA StandardsAPI StandardsISO StandardsIEC StandardsParticipate in:HAZID ReviewsHAZOP StudiesDesign Safety ReviewsConstructability ReviewsModel ReviewsEnsure HVAC systems adequately address:Smoke ManagementEmergency VentilationHazardous Area VentilationToxic Gas ProtectionBuilding Pressurization RequirementsFire and Gas System InterfacesProcurement and Vendor ManagementPrepare and review technical requisitions.Conduct technical bid evaluations and vendor assessments.Review vendor documents, calculations, and drawings.Resolve technical queries and deviations.Participate in technical review meetings with suppliers and contractors.Witness Factory Acceptance Tests (FAT) where required.Construction and Commissioning SupportProvide engineering support during fabrication, construction, and offshore installation activities.Review site technical queries and recommend solutions.Support:Mechanical CompletionPre-CommissioningCommissioningPerformance TestingStart-up ActivitiesParticipate in:Factory Acceptance Tests (FAT)Site Acceptance Tests (SAT)HVAC Functional TestingPerformance Verification TestingProject ManagementMonitor engineering progress against approved schedules.Support project cost control and resource planning.Identify risks and implement mitigation measures.Ensure compliance with quality assurance and control requirements.Coordinate closely with ADNOC Offshore representatives, EPC contractors, and project stakeholders.QualificationsEducationBachelor's Degree in Mechanical Engineering.Master's Degree in Mechanical Engineering is an advantage.Professional ExperienceMinimum 15 years of experience in Mechanical/HVAC Engineering.Minimum 5 years in a Lead HVAC Engineer role within major Oil & Gas projects.Proven experience in Offshore Greenfield EPC projects.ADNOC Offshore project experience is highly preferred.Strong experience across FEED, Detailed Engineering, Procurement, Construction Support, and Commissioning phases.GCC/Middle East project experience is preferred.Technical CompetenciesHVAC Engineering ExpertiseOffshore HVAC DesignIndustrial Ventilation SystemsBuilding Pressurization SystemsChilled Water SystemsDX Cooling SystemsSmoke Control SystemsHazardous Area VentilationEnergy-Efficient HVAC Solutions