Senior Maintenance Technician - Wastewater Treatment PlantSisk Drace, a member of the Sisk GroupLocationBray / ShankillContract TypeFull-Time, PermanentIndustryWastewater Treatment / UtilitiesSalaryCompetitive, commensurate with experienceRole OverviewReporting to the Maintenance Manager, the Senior Maintenance Technician plays a key role in ensuring the safe, reliable and efficient operation of a modern wastewater treatment facility. This hands-on role involves leading preventative and corrective maintenance activities, troubleshooting mechanical and automated systems, and supporting continuous improvement across plant operations.The successful candidate will act as a senior technical resource within the maintenance team, supporting ongoing equipment reliability, plant performance and compliance with environmental and safety standards. This role offers a clear progression path to Maintenance Manager for a motivated and experienced tradesperson.Maintenance and ReliabilityPerform preventative, predictive and corrective maintenance on pumps, valves, gearboxes, conveyors and related plant equipment.Diagnose faults and implement effective solutions across mechanical, electrical and automation systems.Lead equipment upgrades, modifications and installation projects in collaboration with engineering and operations.Maintain accurate maintenance records using a Computerised Maintenance Management System (CMMS).Technical Support and Continuous ImprovementAct as a senior technical point of contact for maintenance and operations teams.Support and lead root cause analysis, reliability and performance improvement initiatives.Participate in asset care planning and maintenance strategy development.Ensure work is completed in compliance with all relevant health, safety and environmental procedures.Leadership and CollaborationProvide guidance and mentorship to apprentices and junior technicians.Foster a culture of teamwork, safety and continuous learning within the maintenance team.Collaborate closely with operations, process and environmental teams to optimise plant performance and ensure regulatory compliance.EssentialMinimum 3-5 years' experience in a heavy industrial, utilities or wastewater treatment environment.Strong troubleshooting and fault-finding skills in mechanical and/or automation systems.Experience with pumps, motors, gearboxes, pneumatics, hydraulics and control systems.Strong organisational and communication skills with proven teamwork and leadership ability.Full, clean driving licence and valid work authorisation for Ireland.DesirablePrevious experience in a supervisory or team lead role.Safety certifications including Safe Pass, Manual Handling, First Aid, Confined Space Entry or Working at Height.Familiarity with SCADA systems, PLCs or Building Management Systems (BMS).Experience working with boilers, CHP, biogas, and low/medium-voltage electrical systems.Computer literacy and experience using CMMS or digital maintenance tools.Fully qualified tradesperson in one of the following disciplinesMechanical FittingMechanical Automation & Maintenance Fitting (MAMF)General Fitting or Maintenance TechnologyElectrical or InstrumentationConstruction Plant FittingMechanic / Heavy Vehicle MechanicCity & Guilds or equivalent in Mechanical EngineeringWhat We OfferCompetitive salaryCareer development and training opportunitiesSupportive and safety-focused team environmentOpportunity for progression to Maintenance Manager roleEqual Opportunities StatementSisk Drace is proud to be an equal opportunities employer. We value diversity and are committed to creating an inclusive workplace where everyone can thrive.We welcome applications from all qualified candidates regardless of gender, age, disability, ethnicity, religion, sexual orientation or any other protected characteristic. Reasonable adjustments are available throughout the recruitment process.