Job Specifications

Class Code: MP4

Analyst: KM, OM, TC

Date Originated:

II-7/84, I-1/94 

Dates Revised:

II-1/94, 7/98, 10/11  


Under general supervision, perform skilled mechanical repair and maintenance work on pumps, diesel engines and equipment in sewage transmission facilities, wastewater treatment plants and water treatment plants; on a project related basis, coordinate and assign the work of a small crew performing maintenance and repair of pumps and related equipment; and, does other work as required.


Incumbents independently perform the most difficult and complex maintenance and repair work on pumps, diesel engines, and related equipment common to sewage treatment facilities, waste-water treatment plants and water treatment plants.

This classification is distinguished from the classification of Sanitation Maintenance Worker III in that the latter classification does not perform the more complex repair work on mechanical or diesel systems.


Troubleshoot and repair mechanical equipment; plan, schedule and perform maintenance and repair work and special projects; requisition parts and materials necessary for maintenance and repair work, overhaul pumps and other equipment; assist in planning a preventative maintenance program for the upkeep of equipment; perform simple chemical tests in the field, interpret test results and make necessary adjustments to equipment; prioritize projects and assign work to subordinate staff; supervise subordinate staff, on a project related basis, to ensure that work is performed correctly and that assignments are completed on schedule; train staff in electrical and/or mechanical maintenance and repair techniques; maintain records of completed work and prepares reports; respond to alarms indicating malfunctions in pump stations; recommend whether to repair or replace equipment; and, work inside and outside, in wet and hazardous locations, at heights such as on ladders, roofs and water towers, with hazardous chemicals and substances, raw sewage, dangerous gases, and high voltage, and around moving objects, high levels of noise and unpleasant odors.

Identify mechanical defects in diesel engines to determine the extent of necessary repairs; repair and overhaul gas and diesel engines; perform metal fabrication welding projects; and, collect fluid samples from equipment and interpret lab results.


Knowledge of:

Thorough knowledge of:

Ability to:

Education and Experience:

Any combination of training and experience which would provide the required knowledge and abilities is qualifying. A typical way to obtain these would be:

Special Requirements/Conditions:

PREVIOUS CLASS TITLES: Pump Maintenance Specialist I/II
Bargaining Unit: General Representation
EEOC Job Category: 07
Occupational Grouping: Mech & Const Trades
Worker's Comp Code: 1160