Sr Technician, Maintenance & Relief Operator

Job Title:

Sr Technician, Maintenance & Relief Operator

Posting

Start Date:

6/11/26

The Senior Technician, Maintenance Services performs skilled inspection, maintenance, troubleshooting, repair, and installation of mechanical and process equipment supporting water and/or wastewater treatment facilities and/or water booster stations. This role operates with minimal supervision and applies independent technical judgment to diagnose and resolve complex equipment issues. The Senior Technician, Maintenance Services serves as a technical resource for entry‑level technicians and contributes to preventive maintenance effectiveness, equipment reliability, and operational continuity.

• Independently troubleshoot, repair, overhaul, install, and commission pumps, blowers, motors, gearboxes, valves, chemical feed systems, mixers, screens, filters, and associated instrumentation.
• Diagnose complex mechanical and process issues using drawings, Piping and Instrumentation Diagrams (P&IDs), manuals, historical maintenance data, and testing equipment.
• Diagnose electrical issues related to control circuits and motor control systems using approved test equipment and procedures.
• Perform advanced maintenance tasks such as precision alignment, seal and bearing replacement, vibration assessment, and system performance optimization.
• Calibrate, adjust, and verify chemical feed systems and process instrumentation to ensure accuracy and compliance.
• Execute preventive and corrective maintenance activities with limited oversight.
• Identify equipment reliability issues and recommend corrective actions or maintenance improvements.
• Support development and refinement of preventive maintenance procedures and schedules.
• Strictly follow and reinforce safety procedures including lockout/tagout, confined space entry, electrical safety, and PPE use.
• Complete work orders, inspections, and maintenance, ensuring documentation is accurately recorded in the CMMS.
• Ensure work complies with regulatory, environmental, safety, and organizational standards. Respond to equipment failures, alarms, and emergency maintenance situations, including after‑hours and on‑call assignments.
• Coordinate maintenance activities with operations staff to minimize downtime and risk.

• Comprehensive knowledge of mechanical systems used in water and wastewater treatment facilities, including pumps, blowers, motors, gearboxes, chemical feed systems, and process equipment.
• Working knowledge of hydraulic, pneumatic, and electrical systems related to mechanical and process equipment.
• Strong understanding of preventive and corrective maintenance practices and the relationship between equipment performance, reliability, and plant operations.
• Knowledge of applicable regulatory, environmental, and safety requirements, including lockout/tagout, confined space entry, electrical safety, chemical handling, and use of PPE.
• Knowledge of standard maintenance tools, diagnostic equipment, testing instruments, and maintenance documentation practices.
• Effective quantitative and analytical skills; attention to detail.
• Effective verbal and written communication skills.
• Ability to clearly communicate operational changes, equipment issues, and safety concerns.
• Ability to collaborate effectively with operations, maintenance, and external contractors.
• Ability to independently troubleshoot, diagnose, and resolve complex mechanical, electrical, and process equipment issues using drawings, manuals, P&IDs, historical data, and test equipment.
• Skill in performing advanced maintenance tasks such as precision alignment, seal and bearing replacement, vibration assessment, and calibration of chemical feed systems and process instrumentation.
• Ability to interpret and apply technical manuals, electrical schematics, control system diagrams, and Piping and Instrumentation Diagrams (P&IDs). Effective computer skills for maintenance management or work order systems.
• Skilled in prioritizing tasks during alarms, failures, or emergency conditions.

• 2+ years’ progressive mechanical or industrial maintenance experience servicing, maintaining, and repairing a wide…