OverviewMechanical Engineer (HVAC specialist) – Location / Ireland / Professional English RequiredLocation: Ireland (Nationwide Projects)Sector: Commercial Buildings / Residential / Data Centres / Pharmaceuticals / IndustrialEmployment Type: Full-Time / PermanentExperience Required: Minimum 5 YearsAbout the RoleWe are seeking an experienced Mechanical Engineer with strong HVAC expertise to join a leading engineering and construction team in Ireland. The successful candidate will be responsible for the design, coordination, and delivery of heating, ventilation, air-conditioning, and mechanical building services across large commercial, residential, pharmaceutical, and industrial projects.This role offers exposure to high-spec Irish building projects including data centres, hospitals, mixed-use developments, and advanced manufacturing facilities, with excellent opportunities for career progression.Key ResponsibilitiesMechanical & HVAC DesignProduce and review detailed HVAC system designs including ductwork, chilled water, hot water, VRF, ventilation, and air-handling systems.Perform heat load calculations, airflow modelling, equipment selection, and energy performance analysis.Prepare sizing calculations, schematics, layouts, and mechanical schedules.Project & Site CoordinationCoordinate HVAC installations on-site to ensure compliance with drawings, specifications, and Irish building regulations.Work closely with contractors, subcontractors, architects, M&E teams, and specialist suppliers.Participate in commissioning, testing, and handover activities for mechanical systems.Safety & ComplianceEnsure all mechanical works meet Irish and EU building codes, including TGD Part L and CIBSE/ASHRAE standards.Prepare RAMS, method statements, and ensure adherence to site safety requirements.Quality & DocumentationPrepare reports, O&M manuals, inspection records, and as-built documentation.Review submittals, technical datasheets, and shop drawings for approval.Commercial & QS SupportAssist in measurement, take-offs, procurement, cost tracking, and variation assessments.Provide technical input for tender documentation and subcontractor evaluations.Required Skills & ExperienceDegree in Mechanical Engineering or Building Services Engineering.Minimum 5 years’ experience working with HVAC/mechanical building services.Strong experience with ductwork, pipework, HVAC plant, and mechanical building systems.Excellent understanding of Irish/European building regulations and standards (CIBSE, ASHRAE, EN).Fluent English (written and spoken).Proficient in reading mechanical drawings, schematics, and BIM models.Strong coordination and problem-solving skills.
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