Senior Wastewater Treatment Operator

Western Lake Superior Sanitary District

Senior Wastewater Treatment Operator

The Western Lake Superior Sanitary District (WLSSD), a nationally recognized leader in environmental protection and pollution prevention, has a full-time opening for a Senior Wastewater Treatment Operator.



The Senior Wastewater Treatment Operator is vigilant in ensuring that operating issues are quickly identified through monitoring of the computer control (SCADA) system, communication with other operating areas and attention to operating alarms and facility security systems; utilizes good judgment in reacting to operating issues in a manner that is protective of the equipment, protective of staff and insures that permit violations do not occur; monitors various operational parameters and coordinates the efforts of other district operating and/or maintenance staff as needed to ensure that permit violations do not occur, and adjusts operating parameters and controls based on established permit limits and/or other facility considerations.

The Senior Wastewater Treatment Operator responds to problems, alerts personnel and coordinates their activities; completes facility walkthroughs as needed to ensure that facility is in good operating condition; insures that the oncoming shift is updated on facility conditions and any known situation outside District control which may have an impact on the facility.  The Senior Wastewater Treatment Operator will coordinate callbacks and offers of overtime as necessary to address any operating problems.

The Senior Wastewater Treatment Operator takes independent action to deal with emergency situations; coordinates the efforts of District employees in emergency response according to District procedures; secures and coordinates outside responders until relieved by the responsible District representative; alerts management of emergency conditions and documents as necessary. 

The Senior Wastewater Treatment Operator has considerable working knowledge of the computerized process control systems and develops graphics and control charts needed to appropriately monitor the process, troubleshoots, and provides the first level of correction for process computer problems.

This position reports problems, and incidents; takes independent action to deal with emergencies; communicates with other departments and staff to provide necessary information on process problems, emergencies and routine updates and maintains a high quality operational record of the waste treatment facility including daily operational data, key observations and process exceptions.

The Senior Wastewater Treatment Operator troubleshoots equipment and process failures to minimize disruption and operates the control system computers and work stations using the keyboards, other input devices and monitors the facility security control monitoring systems.


Considerable knowledge of specific theories and practices of wastewater treatment, advanced secondary treatment, and the operation of mechanical processes.  Knowledge of pumps, motors, tools, machinery and equipment similar to that found in District facilities.

Ability to effectively maintain logs and diaries; ability to accurately read gauges and meters and to transcribe and interpret this information; knowledge of the NPDES wastewater discharge permit and air emissions permit requirements and the ability to recognize operating conditions which may lead to undesirable discharges.

Ability to monitor and control District processes using the computer control (SCADA) system's graphical interface.  Ability to locate and repair equipment deficiencies; ability to interpret illustrated equipment and parts breakdowns, engineering drawings, and process and instrumentation diagrams.

Ability to act independently to coordinate any or all district entities as needed to ensure consistent compliance with permit conditions.

Ability to communicate effectively both verbally and in writing.

Has working knowledge of statistical process control methods and utilizes statistical process control tools to analyze operating data and identify process issues and opportunities.

Ability to work in a safe and efficient manner. 

Ability to be mobile over a variety of steps, ramps, ladders and confined spaces; possess sufficient physical strength and agility to perform regular lifting and moving of supplies and equipment; capability of exerting pulling force upon machinery, equipment and valves, to reach overhead and bend over to operate levers and valves; ability to shovel material and operate high pressure water hoses.

Ability to establish and maintain effective working relationships with fellow employees and supervisors.


Possess two years of full-time equivalent work experience in a large wastewater treatment plant or a combination of education in wastewater treatment, water quality, chemistry, biology or environmental technology and directly related work experience which totals four years and possess a State of Minnesota Class B Wastewater Treatment Operator's certification.  Possess a valid State of Minnesota Class “D” driver’s license or equivalent.  Possess a State of Minnesota Special Engineer (boiler) license.


Applicants must meet the minimum qualifications.  Those who meet the minimum qualifications will be given a written examination. Final selection will include a panel interview.

Alternative Exam Process:  For individuals who qualify under the Americans with Disabilities Act (ADA), alternative examination processes are available on an individual basis upon prior arrangement.  Contact Human Resources at (218) 740-4818.

Work Eligibility: In accordance with the Immigration Reform and Control Act of 1986, the WLSSD requires verification of identity and work eligibility.

Veterans: For applicants claiming veterans’ preference, a DD214 must be filed at the time of application. 

Non-discrimination: The WLSSD is an equal opportunity a veteran friendly employer.  All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, national origin, sex, marital status, familial status, age, sexual orientation, status with regard to public assistance, disability, genetic information, veteran status or activity in a local Human Rights Commission or any other characteristic protected by law.

Drug testing policy: Under WLSSD’s drug and alcohol testing policy, prospective employees will be asked to submit to drug testing.  No prospective employee will be asked to submit to testing unless an offer of employment has been made.  An offer of WLSSD however, is conditioned on the prospective employee testing negative for drugs and alcohol.

Pre-employment physical: Applicants selected for employment must successfully complete a pre-employment physical examination.

Background checks: Offers are conditioned on passing a criminal background check.  Convictions are not an automatic disqualification from the selection process.

Data privacy: Minnesota Statutes Chapter 13 requires that you be informed of the following about private data requested on this application. Name, home address and telephone numbers, and email address are used to identify you and to contact you about potential job opportunities. If your name is not provided, we won’t be able to process your application. If your contact information is not provided, we will not be able to contact you and may reject your application. If you are a finalist for a vacancy, your name becomes public data and is available to anyone. Gender, Race/Ethnic group, and Disability Status are used to comply with equal employment opportunity and affirmative action requirements and to evaluate our efforts to ensure legal diversity in the recruitment and selection of employees. If this data is not provided, it will be more difficult for us to evaluate our efforts and to provide accurate data in the required reports.
Reasonable accommodation information is used to provide reasonable accommodations in the testing and hiring processes. If sufficient data is not provided, we may not be able to accommodate you.

You are not legally required to provide any of the private data listed above. WLSSD employees from the Human Resources Department and other departments involved in the selection process may have access to your private data if their work assignments reasonably require access. Others who may legally access the above data are individuals or agencies to whom we are required to release the data by law, rule or court order.



Please complete an application found at and return via email to by October 1, 2021.  Applicants who claim Veteran’s Preference must provide a DD214 at the time of application.

Probation Period: 9 months

Duration of Eligible List: 6 months

Equal Opportunity Employer
Women and Minority Applicants Encouraged to Apply

  • This position was posted on: 09-08-2021.
  • It will be removed on: 10-21-2021.