RO And STP Technician

Marriott InternationalFujairahgulftalentpublished 09/20/2026

Position summary

RO (Reverse Osmosis Plant) & STP (Sewage Treatment Plant) technician. The RO & STP technician is responsible for the operation, monitoring, maintenance, and troubleshooting of reverse osmosis (RO) water treatment systems and sewage treatment plants (STP). The role ensures continuous production of treated water and proper wastewater treatment in compliance with environmental, health, safety, and regulatory standards. The technician conducts routine inspections, preventive maintenance, water quality testing, and equipment repairs to maintain efficient plant operations.

Key responsibilities

RO plant operations

Operate and monitor RO plant systems to ensure uninterrupted water production.

Monitor plant parameters.

Perform maintenance activities.

Inspect pumps, filters, valves, dosing systems, and control panels regularly.

Ensure proper chemical dosing for water treatment processes.

Conduct daily water quality testing and maintain operational records.

Troubleshoot RO system failures and coordinate repairs when required.

Sewage treatment plant operations

Operate and monitor sewage treatment plant equipment and processes.

Check aeration systems, blowers, pumps, clarifiers, sludge handling systems, and dosing units.

Monitor and maintain wastewater treatment parameters.

Ensure treated effluent meets environmental and regulatory standards.

Perform routine operational checks.

Respond promptly to alarms, equipment malfunctions, and process abnormalities.

Maintain accurate operational and maintenance logs.

Maintenance duties

Carry out preventive and corrective maintenance of all RO and STP equipment.

Inspect electrical and mechanical components for wear and damage.

Replace filters, membranes, pumps, seals, bearings, and other consumables as required.

Coordinate with external contractors for major repairs and servicing.

Maintain adequate inventory of spare parts and treatment chemicals.

Follow all company and safety and security policies and procedures; report maintenance problems, safety hazards, accidents, or injuries; and complete safety training and certifications. Ensure uniform and personal appearance are clean and professional, maintain confidentiality of proprietary information, and protect company assets. Welcome and acknowledge all guests according to company standards, anticipate and address guests’ service needs, and