Plant Maintenance Mechanic - Wausau

City of Wausau

To Apply

Applications must be submitted at the following link:

Applications must be complete and include an attached cover letter and resume in order to be considered for this position.

Salary Information

$21.03 - $25.24 per hour starting hourly rate DOQ.  The full salary range for this position is $21.03 - $29.45 per hour.  This position is classified as Non-Exempt under the Fair Labor Standards Act (FLSA).

Purpose of the Position

Provides services to the City of Wausau’s wastewater plant and collection systems by coordinating the operation, inspection, and maintenance of a variety of plant mechanical and electrical systems as well as system testing, general plant operation, record keeping and controls to achieve maximum operating efficiencies.

Essential Duties and Responsibilities

1.       Performs skilled mechanical work in the maintenance and repair of treatment plant equipment, maintenance of all equipment in all satellite locations, and skilled work in the operation of wastewater treatment plants. 

2.       Maintains maintenance records for major equipment operated at treatment plants and other locations.  Provides assistance to schedule preventive maintenance activities.

3.       Disassembles, repairs, and reassembles operating parts of water and wastewater pumps, air compressors, chemical feed equipment, electrical motors and generators and other plant equipment.

4.       Performs maintenance of plant facilities, including plumbing, plastering, painting and carpentry work.

5.       Responds to process control outages and resolve alarm conditions, etc.

6.       Fabricates metal parts, cuts and threads pipe and bolts and under direction, modifies existing equipment to achieve more efficient operation.

7.       Maintains and repairs motor control centers, automated process control systems, remote telemeter monitoring systems, and process control software systems.

8.       Operates wastewater treatment plant equipment including pumps, air compressors, electric motors, electrical generators, solids removal, and chemical feeding, and monitors process control systems and resolves alarm conditions, etc.

9.       Performs chemical and bacteriological tests on raw and treated wastewater including pH, alkalinity, phosphorus, total solids, volatile solids, and similar tests as necessary.  Draw samples for quality control and compliance monitoring.  Test digester gas samples for hydrogen sulfide for process control.

10.    Operates equipment for the Utility’s solids program including sludge spreading trucks, front end loader, farm tractor, and tow behind spreader.  Works with farmers to get WDNR approval for sludge spreading sites and assure sludge is applied in accordance with WDNR regulations.

11.    Performs custodial related work as necessary to maintain plant cleanliness, including sweeping and mopping floors, washing windows, removing snow by hand and painting building and equipment as needed.

Education and Experience Requirements

High school diploma or equivalent with at least two (2) years of experience operating, maintaining, and repairing equipment and machinery is required, or any equivalent combination of experience and training which provides the knowledge, skills, and abilities to perform the work.

Possession of a valid Class C State of Wisconsin Commercial Driver's license (CDL) is required.


·         Formal training or course work in mechanics or mechanic repair

·         Experience working in the wastewater industry and wastewater plant operator certifications

·         Training or experience in working with electrical and process control systems, including software applications

Knowledge, Skills and Abilities

·         Knowledge of safe and efficient operation of conventional and specialized large and small vehicles and construction equipment typically used in a municipal public works department. Ability to do manual labor such as shoveling.

·         Knowledge of the proper methods, tools, materials and equipment used for the repair and maintenance of sewer equipment and structures.

·         Availability to be on 24 hour call to respond to emergencies. Must be able to report to job within a reasonable time in such instances.

·         Must be able to frequently lift and/or move up to 60 pounds and occasionally life and/or move up to 100 pounds.

·         Ability to interpret a map.

·         Ability to safely work in confined spaces in accordance with OSHA standards and City policies.

Physical and Working Environment

Employee performs standard activities requiring physical effort. The duties of the job include physical activities such as stooping, kneeling, standing, walking, lifting (lift and carry objects weighing 60 pounds or less, and push or pull objects weighing up to 100 pounds), fingering, grasping, talking, hearing/listening (perceiving sounds in order to understand signals such as spoken directions, warning alarms, or requests for information), seeing/observing, bending/twisting (of the neck, back, or torso in order to reach, lift, tend machines, move materials, etc.), reaching (extending the hands or arms in any direction in order to push, pull, or grasp an object or control), feeling (using the sense of touch in fingers, hands, or other body parts to sense the position or quality of objects) and climbing (ascending or descending steps, stairs, ladders, scaffolding, or machines). Specific vision abilities required include close, distance, and peripheral vision; depth perception; the ability to adjust focus; and distinguish objects clearly at 20 inches or less with glasses, if needed.

The employee may be exposed to disagreeable elements of high and low outdoor temperatures.  The employee may be exposed to repetitive activities; intense or continuous noise; dirty environment; improper illumination; chemical hazards, and air contamination. The use of personal protection equipment (PPE) may be required, as there is significant exposure to hazards and conditions where there is a possible danger to life, health, or bodily injury, which may include mechanical, electrical, air contaminations, and heights. May be required to work in a physically confined worksite with cramped, small or restricted workplace making it difficult to stand, sit, or walk.

The City of Wausau is an Equal Opportunity Employer. In compliance with the American with Disabilities Act, the City will provide reasonable accommodations to qualified individuals and encourages both prospective and current employees to discuss potential accommodations with the employer.

  • This position was posted on: 05-29-2019.
  • It will be removed on: 06-14-2019.