Senior Plant Maintenance Mechanic


This is a lead advanced journey level mechanical maintenance position. Employees at this level are assigned with functional and technical supervision of mechanical maintenance staff and are assigned higher complexity work tasks other than normal routine duties. This position requires the ability to communicate and record clearly and accurately progress of work assignments, to diagnose and troubleshoot equipment failures, to estimate required labor and material needed, and to work with vendors and other crafts and operations staff on a daily basis, at times under emergency conditions. Employees at this level are required to be fully trained in all procedures related to their assigned area of responsibility. This position will be assigned to the Silicon Valley Advanced Water Purification Center and will provide mechanical maintenance support to the other three water treatment plants, pump stations and pipeline maintenance group. The normal work schedule will be Monday-Friday, and it is required to work on-call weekends.

Key responsibilities include, but are not limited to:

  • Lead, plan, train and review the work of staff responsible for performing a variety of duties involving in the installation, maintenance, and repair of equipment in water treatment plants, advanced water treatment facility, pumping stations including pumps, chemical feed equipment, valves, and related mechanical equipment used for water treatment, storage and distribution.
  • Plan, direct, and participate in the diagnose of mechanical problems; estimate time, materials, and equipment required for jobs assigned; requisition of materials as required.
  • Supervise the use, care, and operation of hand tools and power equipment including welding equipment, lathes, drill presses, sanders, trucks, and a fork lift.
  • Inspect, maintain, repair, install and test varied mechanical equipment and related components including pumps, chemical feed equipment, valves, underground piping systems, and related appurtenances.
  • Read and interpret plans and specifications; review the mechanical portions of engineering designs and proposed facility modifications; assign work to crews accordingly.
  • Verify the work of assigned employees for accuracy, proper work methods, techniques, and compliance with applicable standards and specifications.


Three years of journey-level experience equivalent to Plant Maintenance Mechanic II level (total of eight years) involving the maintenance of mechanical equipment and components of the type commonly found in water treatment or utility facilities, and/or water distribution systems.


Equivalent to the completion of the twelfth grade supplemented by specialized training in the maintenance of mechanical equipment or a related field (such as maintenance of industrial machinery in buildings or in a manufacturing plant/factory setting; large pipeline or pump station mechanic work in the water or wastewater industry).

License or Certificate:

Possession of a D-2 Water Distribution Operator certification issued by the State Water Resources Control Board (formerly California Department of Public Health) is required. Possession of a D-3 certification is desirable.

Closing Date for Applications: May 14, 2018 by 11:59pm

For detailed information regarding requirements and qualifications for this opening and to apply online, please see the job posting by clicking on the following link:

Job Type: Full-time

Salary: $7,526.13 to $9,630.40 /month


  • D-2 Water Distribution Operator