JOB POSTING IS EXPIRED
Plant Operator (WRRC)

City of Dubuque

1 Positions

ID: 87328

Posted On 01/28/2026

Refreshed On 02/10/2026

Job Overview

Position Summary

Please note: Hourly rates shown above reflect the base pay range for the position. Additional certification pay, ranging from 1.5 percent to 10 percent above base pay, is applied upon obtaining and maintaining applicable Iowa DNR Water or Wastewater Treatment certifications. The Hourly Rate with Certification Pay is as follows:
• Grade 2 Waste Water Treatment Certification: approximately $29.13 – $32.80
• Grade 3 Waste Water Treatment Certification: approximately $29.99 – $33.78
• Grade 4 Waste Water Treatment Certification: approximately $31.57 – $35.55

Perform technical work in the operation and maintenance of the Water & Resource Recovery Center (W&RRC) a Grade IV wastewater treatment facility; operate and control an entire treatment process, often through use of a supervisory, control, and data acquisition system (SCADA), to transfer or treat wastewater; perform skilled and semi-skilled tasks in the maintenance and repair of buildings, grounds and equipment; conduct routine wastewater sampling and laboratory testing to support process control, operational decision-making, and permit compliance; perform other duties as assigned.

The ideal candidate possesses the ability to work effectively as a member of a team; follow a management style that is input-oriented and values fairness, problem solving and the development of partnerships; and desires to be part of an organization that values service, people, integrity, responsibility, innovation, and teamwork.

DISTINGUISHING FEATURES OF THE CLASS: Work involves responsibility for the physical, chemical, and biological treatment of wastewater, operating and maintaining various mechanisms and pump equipment and operating the solids de-watering equipment and anaerobic digesters.  Work is reviewed and evaluated by supervisor through inspection, results achieved and observation of facility operations effectiveness through laboratory report analyses. The normal work schedule consists of an eight-hour shift worked on weekdays between the hours of 6:00 a.m. and 6:00 p.m. In addition, the position requires participation in a rotating weekend schedule, which may include working twelve-hour shifts on Saturdays and Sundays between 6:00 a.m. and 6:00 p.m. Work hours may vary as needed to meet operational requirements, including emergency response and staffing needs. Employees are assigned to a specific work shift and works independently. Position involves on-call coverage as necessary for operations.

Job Duties

  • Operate physical, chemical, and biological wastewater treatment systems and equipment using SCADA and other computerized systems as primary tools to monitor system performance, control processes, review alarms and trends, and inform day-to-day operational decisions; including computers, software and hardware; pumps, control panels, chemical feed and solids dewatering equipment, anaerobic digesters, and other associated equipment.
  • Perform sample collection and analysis using Standard Testing Methods or products.
  • Inspect production equipment and treatment facilities and document findings using electronic systems, including computerized maintenance management systems (CMMS).
  • Maintain and repair wastewater treatment, production or processing equipment and track using CMMS.
  • Repair production equipment or tools.
  • Lubricate production equipment in accordance with preventative maintenance schedules.
  • Clean work areas; and production equipment.
  • Evaluate analytical chemistry procedures and adjust equipment.
  • Transfer chemicals in accordance with safety procedures and operating protocols.
  • Maintain a log of facility operations including data entry and review with SCADA, CMMS, and other electronic recordkeeping systems.
  • Perform building and grounds maintenance.
  • Utilize hand and power tools.
  • Assist with the purchase of materials, tools, chemicals, and equipment including needs and usage in electronic systems as required.

 

KNOWLEDGE, SKILLS AND ABILITIES:

  • Chemistry- Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo which includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods associated with wastewater treatment.
  • Biology and Microbiology- Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.
  • Mechanical- Knowledge of machines and tools, including their designs, uses, repair, and maintenance; and ability to inspect and troubleshoot.
  • Mathematics- Knowledge of intermediate algebra and the applications.
  • Public Safety and Security- Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
  • Engineering and Technology- Knowledge of the practical application of engineering science and technology which includes applying hydraulic principles, techniques, procedures, and equipment.
  • Computer Technology - Knowledge of the use of computers and computer programs. including SCADA, CMMS, and other electronic systems used for process monitoring, maintenance tracking, and operational documentation
  • Workplace Safety -Knowledge of occupational hazards associated with high voltage electrical equipment and necessary safety precautions.
  • Operations Monitoring and Control- Watching gauges, dials, or display screens to make sure a machine is working; using equipment or systems; troubleshooting and adjusting including monitoring alarms, trends, and process conditions through SCADA systems.
  • Quality Control Analysis– Routine and special testing and the ability to review and apply analytical data generated through laboratory and electronic monitoring systems.
  • Building or Mechanical Skills

Qualifications

MINIMUM QUALIFICATIONS:

  • High school diploma or equivalent; and
  • At least one year of on-the-job training as a mechanical trades apprentice; or
  • Equivalent combination of experience and training.
  • Possession of, or ability to obtain and maintain, a valid state driver’s license within 30 days after start date.
  • Possession of, or ability to obtain and maintain, a State of Iowa Department of Natural Resources Grade 2 Waste Water Treatment Certificate within 36 months after appointment.

PREFERRED QUALIFICATIONS:

  • Associate of Applied Science (A.A.S.) degree or certificate in Water Environmental Technology; associate degree in chemistry or biology; or a bachelor’s degree in chemistry, biology, environmental science, or a closely related discipline.
  • Experience in the operation of a wastewater treatment facility and in the repair and maintenance of equipment, grounds and buildings.
  • Two (2) years of experience in a mechanical, industrial maintenance, or equipment repair field, including performing preventive maintenance, inspections, and minor repairs on mechanical or electromechanical equipment.
  • Possession of, or ability to obtain and maintain, a State of Iowa Department of Natural Resources Grade 1, 2, 3, or 4 Waste Water Treatment Certificate.

Supplemental Information

PHYSICAL WORKING CONDITIONS AND DEMANDS: Work duties requires stairs, scaffolding, ramps, poles and the like; moving self in different positions to accomplish tasks in various environments including tight and confined spaces; remaining in a stationary position, often standing or sitting for prolonged periods; moving about to accomplish tasks or occasionally moving from one worksite to another; adjusting or moving objects up to 50 pounds in all directions; communicating with others to exchange information; repeating motions that may include the wrists, hands and/or fingers; operating machinery and/or power tools, and motor vehicles or heavy equipment; assessing the accuracy, neatness and thoroughness of the work assigned; and performing frequent light work that includes moving objects up to 20 pounds.

WORKING ENVIRONMENT: Work duties require occasionally working in low or high temperatures, outdoor elements such as precipitation and wind, noisy environments; hazardous conditions, poor ventilation, and small and/or enclosed spaces.

SUPERVISORY STATUS: None

RESIDENCY REQUIREMENT: Employee shall establish their principal place of residence within fifty (50) miles of the corporate limits of the city of Dubuque as soon as practicable after appointment, but within two years of appointment.

FLSA STATUS: Non-Exempt

Primary Contact

275152

City Attorney's Office City of Dubuque

City Attorney's Office, City of Dubuque

563-583-4113

Phone

Phone

Phone

Fax

cityattorney@cityofdubuque.org

Email

True

False

False

Job Details

Location

Dubuque, IA

Job Type

Employee

Full/Part

Full Time

Pay/Salary

$28.70 - $32.32 Hourly

Benefits

Health Insurance
Dental Insurance
Life Insurance
Retirement Plan
Paid Vacation
Paid Sick Leave
PTO (Paid Time Off)
Paid Holidays
Tuition Reimbursement


Qualifications

Education

High School/GED

Experience

1-2 Years

Company ID

931

Job REQ #

# Positions

1

Start Date

20260128

End Date

20260211

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City of Dubuque

About the Company

Whether at City Hall or out on city streets, our employees serve our residents, businesses, and visitors every day. Join the City of Dubuque team to be part of a high-performance organization dedicated to the community and to delivering excellent municipal services. We are input-oriented, see problems as opportunities, search for creative solutions, and work as a team to accomplish goals and build partnerships. At the City of Dubuque, your work is meaningful and supports the community.

The City of Dubuque values its employees and offers competitive salaries and benefits such as:

  • Health and Dental Insurance
  • 12 weeks of Paid Parental Leave
  • Paid Time Off and 11 Paid Holidays
  • Flexible Spending Accounts
  • Retirement Savings (IPERS)
  • Deferred Compensation Plan
  • Life and AD&D Insurance Coverage
  • Short-Term Disability
  • Employee Assistance Program
  • Tuition Reimbursement Program
  • Longevity Pay Starting After 6 Years of Service
  • Flexible Work Arrangements
  • Paid Time Volunteering

With positions in over 30 departments and divisions, your perfect career fit is waiting for you at the City of Dubuque. Ready to join our team? Visit www.CityOfDubuque.org/Jobs.