About the RoleAs a Site Resident Engineer (Mechanical), you will act as Ethos Engineering's on-site mechanical representative on a complex data centre project in Ireland. You will be responsible for overseeing the installation, quality, and commissioning readiness of mechanical and controls systems, ensuring full compliance with design intent, specifications, Irish regulations, and industry best practice.This role requires a strong site presence and close collaboration with mechanical contractors, commissioning teams, project managers, and designers. You will play a critical role in driving quality, safety, and programme delivery across all mechanical systems on site.Experience & QualificationsThird-level qualification in Mechanical Engineering or a related disciplineMinimum of 5 years' experience working as a Site Engineer on complex construction projectsStrong experience within data centre environments or similar mission-critical or industrial projectsExperience working with main contractors, subcontractors, or project-based organisationsSolid understanding of Irish Health, Safety, and Environmental legislationChartered Engineer status is advantageous but not essentialMust be based in Ireland and eligible to work on site full-timeKey ResponsibilitiesAct as the primary on-site mechanical engineering representative for Ethos EngineeringChair and attend site meetings with mechanical contractors to ensure clarity on drawings, specifications, and design intentClearly communicate technical information to foremen, operatives, and subcontractorsMonitor mechanical installations to ensure compliance with specifications, benchmarks, and recognised good practiceCarry out regular site inspections and produce snagging and defects listsRecord daily site activities, progress, and key occurrences in site diariesReport on progress of mechanical and controls contractors to the Project ManagerLiaise closely with the mechanical commissioning team to align on programme, risks, and readiness for testingAttend Factory Acceptance Tests (FATs) as required and document compliance with performance requirementsCarry out system walkdowns to verify installations align with approved designsWitness site testing and demonstrations to confirm systems are ready for client handoverLiaise with project planners regarding construction programmes and contractor outputsEnsure all contractor works are undertaken safely and in compliance with Irish Health, Safety, and Environmental regulationsMaintain accurate quality records in line with method statements, quality plans, and inspection and test plansUpload BCaR inspection records and observations to ZutecManage site documentation and workflows through Procore and ZutecSupervise drawing registers and ensure the latest approved drawings and specifications are in useProvide records in respect of variation orders and site instructionsSupervise and mentor junior or trainee engineers on siteAssist the Safety Manager in maintaining and monitoring safe working practicesActively manage your own professional development and contribute to team knowledge sharingTechnical Skills & ExpertiseBroad technical experience across mechanical building services systems, including:HVAC and cooling systemsVentilation systemsDomestic and process pipeworkProcess water packaged equipmentDrainage systemsControl systems (BMS and stand-alone panels)Fire suppression systems (Water Mist, Inergen)Strong understanding of mechanical measurement parameters, including pipework, ductwork, room pressurisation, and control parametersExperience in mechanical QA/QC and installation compliance checkingWorking knowledge of BIM and 3D coordination, with the ability to use Navisworks as a site review and survey toolProficiency in site data and document management platforms such as Procore and ZutecStrong working knowledge of Microsoft Office and site management softwareExperience & QualificationsThird-level qualification in Mechanical Engineering or a related disciplineMinimum of 10 years' experience working as a Site Engineer on complex construction projectsStrong experience within data centre environments or similar mission-critical or industrial projectsExperience working with main contractors, subcontractors, or project-based organisationsSolid understanding of Irish Health, Safety, and Environmental legislationChartered Engineer status is advantageous but not essentialWillingness to work on a site-based contract role in IrelandPersonal Attributes & Team FitExcellent verbal and written communication skills, with the ability to produce clear, objective site reportsProfessional, confident, and capable of influencing a wide range of stakeholdersStrong organisational skills with a proactive, solutions-focused approachAbility to analyse site conditions and adapt effectively to changing project demandsDemonstrates initiative, resilience, and attention to detailCommitted to collaboration, mentoring, and maintaining high engineering standardsBenefits:Flexible working times20 Days holidays up to 25 daysPension SchemeWorking travel out-of-pocket expensesTravel tax scheme or bike-to-work schemeRegular training/mentoring / further college supportSupport for ChartershipSubsidised Health Insurance AllowanceA Professional Subscription Fee paid by the companyPaid Statutory LeavesHealthcare check-ups and flu vaccinationsGym / Fitness membershipHeavily subsidised social committee (5 a side, golf society, climbing club and regular social events)Our vision is to: " Be the company people want to work with, and for "Our values differentiate and focus us every day to be EPIC - for our people and our customers.