Sr Technician, Maintenance Services

Primary Role

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.

Serves as a technical resource for entry-level technicians and contributes to preventive maintenance effectiveness, equipment reliability, and operational continuity.

Key Accountabilities

• 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.

Knowledge/Skills

• 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.
• Skill in prioritizing tasks during alarms, failures, or emergency conditions.
• Experience/Education: High School Diploma or equivalent. Technical school coursework in industrial maintenance, mechanical systems, electrical systems, or a related field preferred. 5+ years’ progressive mechanical or industrial maintenance experience servicing, maintaining, and repairing a wide variety of machinery and equipment. Water, wastewater and/or utility experience preferred.

Work Environment

• Work performed in both indoor and outdoor environments, including exposure to chemicals, odors, noise, and varying weather conditions.
• Potential exposure to dust, pollen, chemicals, and sewage.
• The ability to wear appropriate personal protective equipment is required.
• May be required to work in buildings, in pits, manholes, on scaffoldings or in confined spaces.
• May be exposed to possible operations hazards including fumes and caustic chemicals, heavy machinery, high pressure, slippery surfaces, water/wastewater hazards and electrical equipment.
• Must be able to perform essential functions and meet the physical requirements of the position including ability to stand, climb stairs, and/ or walk and/or sit for long periods of time.
• Able to safely lift, carry, push, pull, and move tools, equipment, and materials up to 80 lbs. as required.
• Involves crouching, stooping, and kneeling for extended or repeated periods.
• Must be able to safely drive a company vehicle for extended or intermittent periods in varying conditions.
• Frequently enters and exits vehicles.
• Overtime, rotating shifts, weekends, holidays, and/or on-call assignments required depending on operational needs.