Construction - Operations & Maintenance Technician Commissioning |Cork

GlanuaMacroom, Co. Corkjobsirelandpublished 10/20/2026

Your tasks

Main Duties and Responsibilities The main duties and responsibilities of the O&M Technician are outlined as follows:

  • Take ownership and responsibility for allocated water and wastewater treatment plant facilities, ensuring standards of quality and cleanliness are always upheld.
  • Perform daily, weekly, monthly and other periodic operation and maintenance checks to ensure the quality and quantity of treated water or final effluent is within specification.
  • Conduct and record process adjustments and chemical dosing (e.g. chlorine for disinfection) to ensure treated water and wastewater outputs are to the required standard.
  • Monitor filtration systems and biological breakdown processes in wastewater treatment systems.
  • Respond to critical alarms when required to ensure water and wastewater treatment output is maintained and maintained to specification.
  • Perform walkthrough inspections of the site, visually inspecting all areas of the plant and treatment process, and recording findings as outlined in the Site Reporting App for each applicable plant.
  • Conduct testing and lab work routinely testing water samples for pH, turbidity and bacterial content to ensure regulatory compliance.
  • Carry out service of dosing pumps and calibration of analytical equipment as required.
  • Perform maintenance and troubleshooting of gauges, meters and associated monitoring equipment.
  • Perform mechanical and electrical repairs to plant equipment and systems as required.
  • Complete grounds maintenance activities including grass cutting, facility cleaning and general site upkeep.
  • Work closely with the commissioning team whilst carrying out SAT testing on the HMI/PLC systems, gaining an understanding of plant operations before systems go live.
  • Log into SCADA systems remotely to monitor plant operations and respond to alerts as required.
  • Complete and maintain comprehensive records of all maintenance, testing and operational activities.

Health, Safety & Compliance

  • Ensure all assigned water and wastewater treatment plants comply with applicable health, safety and environmental regulations.
  • Always carry a lone working device and use it in accordance with the specific operating procedure, as the majority of day-to-day duties involve working alone.
  • Conduct a HSQE walkthrough of each water and wastewater treatment plant on a weekly basis and complete and submit the Weekly HSQE Checklist for Operations.
  • Promote a strong safety culture at all sites, embedding health and safety considerations into all operational and maintenance activities.
  • Support internal training and external bodies in operations team health and safety standards.
  • Report on any health and safety concerns or near-misses in accordance with Glanua's safety procedures.
  • Comply with all relevant company policies, proc