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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.

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 ...

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 ...

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 ...

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 ...

City of Leesburg, FL

Wastewater Operator

Leesburg, FL · On-site

$25.72/hr

The class works according to set procedures under direct supervision. Wastewater Operator C - $21.14 per hour The purpose of the class is to operate and maintain wastewater treatment plant according ...

Mountaire Farms

Wastewater Operator

Millsboro, DE · On-site

$19 - $26.25/hr

Overnight/3rd Shift. $5,000 Sign On Bonus (Must be licensed). Duties/Activities Required by Job ... Class II or higher; two years in a position of Direct Responsible Charge. * Level III or IV WW ...

City of Katy

Wastewater Operator

Katy, TX · On-site

$21.77 - $27.22/hr

Wastewater Operator - Public Works DepartmentThe City of Katy is seeking a dependable and motivated ... Class B Commercial Driver's license may be required.PHYSICAL DEMANDS AND WORKING ENVIRONMENT:

City of Katy

Wastewater Operator

Katy, TX

$20 - $27.50/hr

Wastewater Operator - Public Works Department The City of Katy is seeking a dependable and ... Class B Commercial Driver's license may be required. PHYSICAL DEMANDS AND WORKING ENVIRONMENT:

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Overnight Wastewater Operator Class 3 information

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$28

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

As of Aug 16, 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 Treatment Operator I, II, III, IV

Spartanburg Water & Sewer

Spartanburg, SC • On-site

Full-time

Re-posted 11 days ago

Job description

Wastewater Treatment Operator I, II, III, IV

WWT Operator I-IIUnder general supervision, operates the assigned waste water treatment plants in accordance with established guidelines, regulations, standards and rules ensuring the quality of effluent meets NPDES permit requirements. Reports to the Lead Operator.

WWT Operator III-IV

Under general supervision, assists the Lead Operator in the day-to-day operation of the assigned treatment facilities/programs. Assists with maintenance, process control, safety and training requirements for the assigned section of the WWT Department. Secondary responsibilities include special projects, and assistance with regulatory concerns. Reports to the Lead Operator.

MINIMUM TRAINING AND EXPERIENCE:

WWT Operator I

· High school diploma or equivalent and five to eleven months of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license and obtain First Aid/CPR certification.

· Must obtain Wastewater Operator Class "D" certification within two years of employment.

WWT Operator II

· High school diploma or equivalent and a minimum of two years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license and obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "C" certification.

WWT Operator III

· High school diploma or equivalent and a minimum of three years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license: Class B CDL (with tanker endorsement) is preferred.

· Must obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "B" certification.

· Must obtain Biosolids/Residuals Operator’s Certification.

· Must be efficient in the use of computers and related software, e.g., Word, Excel, PowerPoint, etc.

WWT Operator IV

· High school diploma or equivalent and a minimum of four years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license: Class B CDL (with tanker endorsement) is preferred.

· Must obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "A" certification for more than one year.

· Must obtain Biosolids/Residuals Operator’s Certification.

· Must be efficient in the use of computers and related software, e.g., Word, Excel, PowerPoint, etc.

Additional Requirements: The WWT Operator Trainee must be willing to work towards advancement through Biological Wastewater progressions (e.g. Trainee D to C to B to A) in a scheduled time frame.