ZipRecruiter

Log In

1

Overnight Wastewater Operator Class 3 Jobs (NOW HIRING)

H2O Innovation Inc.

Wastewater Operator Class IV

Laurel, MS · On-site

$18.75 - $26/hr

H2O is currently seeking a Wastewater Operator (Class IV) to join our team in Laurel, Mississippi. The Benefits Overall remuneration includes: * Health Insurance, Dental, Vision & Telemedicine.

H2O Innovation Inc.

Wastewater Operator Class IV

Laurel, MS · On-site

$18.75 - $26/hr

H2O is currently seeking a Wastewater Operator (Class IV) to join our team in Laurel, Mississippi. The Benefits Overall remuneration includes: * Health Insurance, Dental, Vision & Telemedicine.

TriCom Quest

Be Seen First

Factory Facility Operator / Factory Maintenance

White, GA · On-site

$21 - $25/hr

Certificated Wastewater Industrial Operator or Class 3+ Wastewater Operator is highly preferred. * Boiler certification is a plus. * Experience installing and buying equipment preferred. * Excellent ...

Fairfield County Ohio

Wastewater Operator 3

Lancaster, OH · On-site

$29.83 - $41.02/hr

May act as lead worker for Class I and/or Class II Operators; serve as Co-Operator of record for ... Qualifications High school diploma or equivalent Class III Wastewater Treatment Operator's License ...

Fairfield County, OH

Wastewater Operator 3

Carroll, OH · On-site

$29.83 - $41.02/hr

May act as lead worker for Class I and/or Class II Operators; serve as Co-Operator of record for ... Qualifications High school diploma or equivalent Class III Wastewater Treatment Operator's License ...

Inframark

Wastewater Operator

Fayetteville, AR · On-site

$20.75 - $28.75/hr

The Wastewater Operator III is responsible for the operation and maintenance of equipment at medium ... Class III Wastewater license required. RESPONSIBILITIES * Operates a variety of equipment/machinery ...

JBS USA

Wastewater - Operator

Mount Pleasant, TX · On-site

$30.50/hr

State Wastewater Operator License (Class I, II, or higher). * Experience in wastewater treatment plant operations or related utility work. * Knowledge of SCADA systems, pumps, motors, and laboratory ...

City of Leesburg

Wastewater Operator

Leesburg, FL · On-site

$47K - $69K/yr

The class is responsible for monitoring wastewater treatment processes, adjusting chemical or ... Wastewater Operator C - $21.14 per hour The purpose of the class is to operate and maintain ...

next page

Showing results 1-20

All JobsWastewater Operator Class 3 JobsOvernight Wastewater Operator Class 3 Jobs

Overnight Wastewater Operator Class 3 information

See salary details

$14

$28

$44

How much do overnight wastewater operator class 3 jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for overnight wastewater operator class 3 in the United States is $28.21, according to ZipRecruiter salary data. Most workers in this role earn between $20.91 and $33.65 per hour, depending on experience, location, and employer.

What is an overnight wastewater operator class 3?

Overnight Wastewater Operator Class 3 jobs involve monitoring and managing the treatment of wastewater during overnight shifts at treatment facilities. Operators are responsible for ensuring that water treatment processes run smoothly, conducting tests, adjusting chemical levels, and troubleshooting equipment issues to maintain compliance with environmental regulations. A Class 3 certification typically indicates a mid-level operator who has met specific training and experience requirements set by regulatory agencies. Working overnight requires attention to detail and the ability to respond to emergencies or system alarms promptly. These jobs are critical for maintaining safe and effective wastewater treatment around the clock.

What is the difference between Overnight Wastewater Operator Class 3 vs Wastewater Treatment Plant Operator?

AspectOvernight Wastewater Operator Class 3Wastewater Treatment Plant Operator
CertificationsRequires Wastewater Operator Certification, typically Class 3Requires Wastewater Operator Certification, often Class 1 or 2
Work EnvironmentPrimarily overnight shifts at wastewater treatment facilitiesDay and night shifts at treatment plants
Job DutiesMonitoring, basic maintenance, and operational tasks during overnight hoursFull range of plant operations, including troubleshooting and process control

Overnight Wastewater Operator Class 3 and Wastewater Treatment Plant Operator roles both require wastewater certification and involve plant operations. The main difference lies in shift timing and scope of responsibilities, with the Class 3 role focusing on overnight shifts and basic tasks, while the Plant Operator may handle broader duties across shifts.

What skills and qualifications are needed to be an overnight wastewater operator class 3?

To thrive as an Overnight Wastewater Operator Class 3, you need a solid understanding of wastewater treatment processes, safety regulations, and hold a valid Class 3 Wastewater Operator certification. Familiarity with SCADA systems, laboratory testing equipment, and routine monitoring tools is typically required. Attention to detail, problem-solving skills, and the ability to work independently during night shifts are crucial soft skills for this role. These competencies ensure safe, compliant, and efficient plant operations, especially during off-hours when immediate decision-making is essential.

What challenges do overnight wastewater operator class 3 face and how can they be managed?

Overnight Wastewater Operator Class 3s often work with minimal supervision and must be prepared to troubleshoot issues independently during off-peak hours. Common challenges include responding to unexpected equipment malfunctions, maintaining alertness through long shifts, and ensuring all regulatory and safety protocols are followed when staffing is limited. Building strong communication with the day team and maintaining thorough shift logs help facilitate smooth transitions and consistent plant operations. Operators can manage these challenges by staying organized, continuously updating their technical skills, and utilizing available monitoring technology to detect anomalies early.
What cities are hiring for Overnight Wastewater Operator Class 3 jobs? Cities with the most Overnight Wastewater Operator Class 3 job openings:
What are the most commonly searched types of Wastewater Operator Class 3 jobs? The most popular types of Wastewater Operator Class 3 jobs are:
What states have the most Overnight Wastewater Operator Class 3 jobs? States with the most job openings for Overnight Wastewater Operator Class 3 jobs include:
Overnight Wastewater Operator Class 3 jobs near you
Infographic showing various Overnight Wastewater Operator Class 3 job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 58% Full Time, 40% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $58,681 per year, or $28.2 per hour.

Wastewater Operator Class I-II

H2O Innovation Inc.

Laurel, MS • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

H2O Innovation rating

7.5

Company rating: 7.5 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

266th of 487 rated machine equipment manufacturers

Job description


H2O Innovation provides public works management services & operations assistance for water & wastewater treatment plants to municipalities, government organizations, and businesses across North America.


H2O is currently seeking a Wastewater Operator (Class I-II) to join our team in Laurel, Mississippi.


The Benefits

Overall remuneration includes:

  • Health Insurance, Dental, Vision & Telemedicine.
  • Health Savings Account.
  • Life Insurance.
  • 401K Retirement Plan with Employer Contributions.
  • Paid Vacation & Sick Days.

Key Responsibilities

  • Operate and monitor wastewater treatment processes under supervision
  • Perform routine inspections, sampling, and basic laboratory testing
  • Record operational data and maintain accurate logs
  • Assist with minor maintenance and troubleshooting of equipment
  • Follow all safety procedures and regulatory requirements
  • Respond to alarms and assist in troubleshooting process or equipment issues
  • Support preventative maintenance activities on pumps, valves, and other plant equipment
  • Assist with process adjustments to help maintain compliance with permit requirements


The Skills We Are Looking For

  • Active Class I or Class II Wastewater Operator License
  • Basic knowledge of wastewater treatment processes and plant operations
  • Willingness to learn and grow within the wastewater industry, with the goal of advancing certification levels
  • Ability to follow instructions, standard operating procedures, and safety guidelines
  • Mechanical aptitude and ability to use basic tools and equipment
  • Strong attention to detail and ability to accurately record data
  • Basic computer skills for data entry and system monitoring
  • Good communication skills and ability to work effectively as part of a team
  • Dependable, self-motivated, and able to work in varying environmental conditions


We are an Equal Opportunity Employer and value diversity in our workforce.

#INDEED
#ZR

What H2O Innovation employees say

Pay

Hours and flexibility

Workplace

Get the full story on Breakroom