Plant Operator Jobs in Decatur, GA (NOW HIRING)

Posting expires: May 27, 2026

General Description and Classification Standards

Performs supervisory assignments associated with operating the water/wastewater treatment plant and to ensure a continuous, adequate supply of potable drinking water meeting federal/state regulations for the citizens of Atlanta. Supervises; water analysis and treatment; mixing chemicals; laboratory testing; operating various pumps and valves; repairing and maintaining machinery and equipment; maintaining records, instructing and disciplining assigned staff. This is a team lead or "foreman" level position with a formally designated team of skilled employees, either in one or multiple skilled specialties. Lead assignments made on a job-by-job basis would be more appropriately at the Senior level. Supervision Received Direction received is very general and focuses on end results and is typically collaborative in nature. Makes decisions on technical issues, diagnoses, or procedures in collaboration with supervisors or managers.

Essential Duties & Responsibilities

These are typical responsibilities for this position and should not be construed as exclusive or all inclusive. May perform other duties as assigned. Generates work orders in maintenance management system; orders chemicals and supplies. Coordinates with contractors on plant upgrades and equipment repairs and installations. Responsible for maintaining the facility in a condition that meets state and federal permit requirements. Supervises and evaluates assigned staff; develops goals and expectations for operators, handles all employee concerns, directs work assignments, counsels and disciplines employees when necessary, and completes employee performance appraisals. Reviews the work of Operators for accuracy/completion and to ensure compliance with local, state and federal regulations. Communicates with employees to ensure proper plant operation of the Standard Operating Procedures. Prepares and maintaining reports, logs, and records on a daily, weekly, and monthly basis. Controls treatment plant processes, chemical dosages, and equipment used to purify, treat and clarify water for human consumption and for industrial and commercial use. Operates and controls various pumps and valves to regulate the flow of water through the treatment plant and distribution system. Assists in performing a variety of laboratory tests to determine the chemical composition of water and to ensure compliance with federal and state regulations for turbidity, chlorine, fluoride, pH, iron and manganese; makes adjustments to chemical dosages as necessary. Records plant operation data from observations, instrumentation and laboratory tests; records test results for reporting to state agency as appropriate. Receives and/or prepares letters, reports, correspondence, forms and other documentation; reviews, processes, and/or forwards as appropriate; maintains files and logs; performs other clerical duties.

Decision Making

Selects from multiple procedures and methods to accomplish tasks. Applies organizational policies. Leadership Provided Has formal supervisory authority over work group (typically at least 4-5 employees) to include discipline, performance management, scheduling, training, etc.

Knowledge, Skills & Abilities

This is a partial listing of necessary knowledge, skills, and abilities required to perform the job successfully. It is not an exhaustive list. Knowledge of the operation, methods and procedures of a wastewater treatment plant; knowledge of the machinery used for wastewater treatment and pumping stations; knowledge of mechanical equipment; knowledge of basic machinery preventive maintenance and repair; knowledge of State and Federal rules governing wastewater discharges and worker's safety; knowledge of laboratory procedures and terminology; knowledge of Chemistry terminology; knowledge of microorganisms; knowledge of Back Flow Prevention. Skill in communicating effectively verbally and in writing; skill in solving complex problems independently; skill in operating incinerators, composite samplers, and various lab test equipment; skill in operating a computer and computer software; skill in performing analysis of laboratory data; Skill in basic math and chemistry, in oral and written communication, and in supervision; skill in water plant operation and in the use of maintenance equipment and water analysis equipment; skill in utilizing various software programs relevant to the position; skill in organizational, management, human resources techniques. Ability to use independent judgment and discretion in managing subordinates including the handling of emergency situations, determining and deciding upon procedures to be implemented, setting priorities, maintaining standards, and resolving problems; ability to comprehend, interpret, and apply regulations, procedures, and related information; ability to handle required mathematical calculations; ability to treat water in a safe, effective manner; ability to work outdoors in any kind of weather; ability to read and understand design drawings and plans; ability to operate a vehicle; ability to diagnose and correct equipment malfunctions. 

Minimum Qualifications 

Education and Experience

High school diploma or General Equivalency Diploma (GED). 5 years' of work experience in a wastewater plant or a related area.

Preferred Education & Experience

High school diploma or General Equivalency Diploma (GED) and 5 years' of work experience in a wastewater plant, including 2 years' of supervisory experience in a wastewater plant or related area. Licensures and Certifications Valid State of Georgia Drivers License required. Class I Wastewater Operator License required. Forklift Certification desirable.

Essential Capabilities and Work Environment

Required physical, lifting, and sensory capabilities are requirements to perform the job successfully. Typical environmental conditions associated with job.