Senior Plant Operator - Water Production Plant (Hiring Incentive: $1,000)

  • City of Lewisville
  • Oct 19, 2026
Full time Other Quality

Job Description

United States of America (Non-Exempt)

  

POSITION SUMMARY

     

Operates and maintains water or wastewater plants, performing assigned duties necessary to repair, replace, and maintain mechanical, electronic, control, and instrumentation equipment related to water and wastewater treatment facilities, including Supervisory Control and Data Acquisition (SCADA) systems to ensure the effective operation of the facilities and distribution systems.

Distinguishing Characteristics: Under very limited supervision, positions at this level perform highly skilled manual labor or mechanical work, require outstanding problem-solving, organizational, and communication skills, and complete the most difficult, complex, and responsible duties assigned to the class within this series. Employees at this level must be fully trained in all procedures related to the designated area of responsibility and serve as lead workers.

     

ESSENTIAL FUNCTIONS

Management reserves the right to add, modify, change, or rescind the work assignments of different positions and to make reasonable accommodation so that qualified employees can perform the essential functions of the job.

 

  • Leads, operates, and monitors all processing equipment and machinery.
  • Initiates changes in operation as determined through calculations and monitoring of processing variables, test procedures, and independent judgement of varying factors.
  • Leads assigned crews in performing routine maintenance (repairs and cleaning) of all buildings/structures, equipment, fans, and blowers; including but not limited to conducting routine inspections, making mechanical repairs/adjustments and overhauling pumps, reduction hear, and variable speed drive units.
  • Performs all other related duties as assigned.

 

Water Production Plant

  • Maintains computerized operational control of elevated storage tanks, ground storage tanks, incline booster stations, pump stations, and metering stations.
  • Maintains quality processing records, including water flows, chemical dosage, laboratory analysis, and various other facility operations.
  • Performs various laboratory tests and analysis required for effective operation of the water treatment facility (Ph/alkalinity, chlorine residual, fluoride residual, turbidity, jar tests, chlorine demand); handles calibration of associated test equipment.
  • Responds to and takes appropriate action in relation to hazardous chemical leaks (chlorine, anhydrous ammonia, hydroflourosilicic acid), which require the use of an oxygen breathing apparatus.



 

POSITION QUALIFICATIONS

 

Education: High School diploma or GED required.

           

Experience: Two (2) years of experience in water or wastewater treatment, electrical, mechanical, technical, general utility construction, or a related field. Preference may be given to applicants with water or wastewater treatment “trainee” experience or applicants already holding a Class B or higher Water or wastewater Certificate of Competency.

 

Any combination of related, education, experience, certifications, and licenses that will result in a candidate successfully performing the essential functions of the job is an acceptable substitute for the above specified education and experience requirements.

 

Licenses and Certifications: Must possess Class B Water or wastewater Certificate of Competency from the Texas Commission on Environmental Quality (TCEQ) as applicable, within one year from date of hire. Must possess a Class C Water or wastewater Certificate of Competency from the Texas Commission on Environmental Quality (TCEQ) as applicable.

 

Conditions of Employment: Must submit to and pass a criminal background, pre-employment drug test, pre-placement medical examination, and job placement assessment (JPA). Must possess a valid State of Texas Driver’s License Class “C” and good driving record as defined by City policy. An applicant who does not possess a Texas Driver's License or proper class will be allowed ten (10) working days after a job offer is made to obtain proper licensing. This position is required to drive.

 

Other Requirements: This position is subject to emergency operations. The individual holding this position will be required to work as usual or as needed: during emergency operations, in preparation for prolonged emergency operations and/ or during recovery from prolonged emergency operations as directed by their direct supervisor, Department Head or designee, or the City Manager or designee.

 

REQUIRED KNOWLEDGE, SKILLS & ABILITIES

 

Knowledge of: Basic electricity, pump and motor, blower, drive, belt, and other operation equipment maintenance needs; basic electrical, plumbing, and mechanical properties; basic chemistry and mathematical principles; basic water purification equipment processes, controls, hydraulics, and instrumentation; computerized maintenance management software; and process control equipment involved in Water and Wastewater.

 

Skill in: Learning and applying basic knowledge of water purification equipment processes, controls, instrumentation, and hydraulics; interpreting charts, flow diagrams, maintenance manuals, and instructions; performing mechanical repairs, including gas/electric welding; working effectively with general supervision; effectively communicating with the public giving and receiving information and answering inquiries related to area of responsibility; using a personal computer including Microsoft Office, Open Office or similar word processing program, e-mail, and the internet; accepting responsibility for his/her actions; performing work accurately and thoroughly; following instructions, safety practices, and standard operating procedures in performing assigned tasks; communicating effectively, clearly, and concisely both orally and in writing; being punctual and attending work regularly; and working effectively with people regardless of their race, sex, color, religion, national origin, age, disability, gender identity or expression, sexual orientation, veteran status, genetics, or job type.

 

Physical Demands and Working Conditions: Must possess mobility to work in the field; strength, stamina, and mobility to climb and descend stairs, and to operate a motor vehicle and visit various City sites.   Must possess mobility to work in a standard office setting and use standard office equipment, including a computer; vision to read printed materials and a computer screen; ability to distinguish different colors to read and interpret lab equipment and fluids; and hearing and speech to communicate in person and over the telephone or radio.  The job involves fieldwork requiring frequent walking, hiking, and/or climbing in and through operational areas to identify situations, problems, or hazards.  Finger dexterity is needed to access, enter, and retrieve data using a computer keyboard or calculator and to operate the above-mentioned tools and equipment.   Positions in this classification bend, stoop, kneel, reach, climb to perform work and inspect work sites, and push, and pull drawers open and closed to retrieve and file information.

 

This position requires the ability to lift and carry tools, supplies, equipment, and materials. Employees, with or without reasonable accommodation, must possess the ability to frequently lift, carry, push, and pull objects weighing up to 100 pounds, with daily lifting requirements typically ranging from 50 to 75 pounds.

 

Employees work primarily in the field and may be exposed to loud noise levels, cold and/or hot temperatures, inclement weather conditions, road and/or land hazards, confining workspace, chemicals, mechanical and/or electrical hazards, and hazardous physical substances and fumes.  Employees work partially in an office environment with moderate noise levels and controlled temperature conditions.  Employees may interact with upset staff and/or public and private representatives in interpreting and enforcing departmental policies and procedures.

 

The City of Lewisville has reviewed this job description to ensure that essential functions and basic duties have been included. The above statements are intended to describe the general nature and level of work being performed and are not intended to be an exhaustive list of all functions, responsibilities, skills, and abilities, which may be required. Additional functions and requirements may be assigned by supervisors as deemed appropriate. The position also requires meeting the essential requirements of the Physical Demands and Working Conditions, with or without reasonable accommodation.

 

Levels of positions within a class series are distinguished by the level of responsibility assumed, the complexity of duties assigned, the independence of action taken, the nature of the public contact made, and the impact and span of tasks performed.

 

This job description is not an employment agreement or contract.  The City of Lewisville has the exclusive right to alter this job description at any time without notice.

 

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Work Hours: Night Shift, 11:00 PM - 7:00 AM. This position may also be required to participate in an on-call rotation and work outside of regularly scheduled hours, including Fridays, evenings, weekends, or holidays, as needed.



Salary Range: $54,457 - $72,372

This position follows a step-based pay plan tied to required licenses and certifications. Your starting salary is based on the license or certification level you hold when you are hired. As you obtain additional required licenses or certifications, you may progress to the corresponding pay step.

  • C License - $54,457
  • B License - $58,541
  • A License - $62,932

This structure allows employees to increase their pay as they obtain additional qualifications and develop their skills in the position. Current employees in the same position may also progress through the established steps as they obtain the applicable licenses or certifications.



Hiring Incentive: We’re excited to offer a $1,000 hiring incentive for this role. This incentive is available only to new hires and does not apply to current employees. The incentive will be paid as a lump-sum payment on the employee’s first full paycheck following their date of hire. 

Current Employees: This position is eligible for the City’s Employee Referral Bonus Program. Refer a qualified candidate through your Workday Internal Jobs Hub account to be eligible for a referral bonus if your referral is successfully hired and successfully completes their 3-month performance plan.

Salary

Salary Range: $54,457 - $72,372