Senior Plant Operator

  • Location: California - Sacramento Valley
  • Type: Contract
  • Job #230

Operational Technical Services (OTS) is one of the fastest growing private water and wastewater utility staffing providers in the country. We provide certified water treatment, distribution, wastewater treatment, collections, engineering, laboratory, water quality, maintenance, and training professionals to municipalities, special districts, and private utilities throughout the country. OTS offers temporary, temp to hire, direct hire and emergency on-call opportunities including great benefits.


Operational Technical Services, (OTS), is an Affirmative Action/Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, colors, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.

Job Description

LOCATION: Central Valley

POSITION: Senior Plant Operator

CERTIFICATIONS REQUIRED: Valid Grade 3 Water Treatment Operator Certificate (T3) issued by the SWRCB
JOB SUMMARY: Under general supervision of the Superintendent and/or Supervising Plant Operator, the Senior Plant Operator is a journey level position and will perform a variety of highly skilled level work in the Water Distribution Plant and systems. The Senior Plant Operator will act as a shift lead. This position will also assist in situations such as monitoring and directing storm water, wastewater, and potable water.

SCHEDULE: TBD Based off company needs. Must be able to work standby, holidays, weekends and overtime as required.

SALARY: Ranges from $33.45 to $47.26 based off of experience + Benefits 

  • Lead and participate in the operation, monitoring, and control of the City's combined wastewater control system, conventional surface water treatment plants, and outlying pumping stations on an assigned shift
  • Participate in and direct the operation of plant equipment including chemical feed, computer, and telemetry systems, microprocessors, pumps, flow control gates, and plant communications systems
  • Plan the operation of the City's entire potable water treatment and distribution system for an assigned shift including anticipating water demand, hour by hour, and adjusting plant influents, effluents and reservoir filling and drawing to maintain pressure in the distribution system within given parameters
  • Plan and schedule water treatment plant activities such as filter backwashes, sludge pumping, filter wash water recycling and other related activities
  • Monitor water quality during treatment process through visual inspection and the Supervisory Control and Data Acquisition (SCADA) system and adjust influent flows, chemical dosages and filtration rates based on observations; take corrective action on problems identified including hazardous or toxic material spills that affect water supplies
  • Coordinate and maintain wastewater pumping operations in conjunction with the Sacramento Regional Wastewater Treatment Plant
  • Monitor and inspect plant equipment and respond to treatment process and equipment alarm
  • Monitor the condition and functional capabilities of automated and manual plant equipment and machinery; direct and perform minor preventive maintenance and recommend maintenance, repair, and replacement of plant equipment as necessary
  • Assess and gauge flow rates during inclement weather and determine when to direct storm water and personnel to various storage and disposal locations; determine timing and degree to which operations should be activated and deactivated
  • Perform and interpret standardized water quality tests such as chlorine residual, pH, turbidity, alkalinity, total suspended solids, settleable solids, chlorine residual, pH, dissolved oxygen, and jar tests, and calculate and make dosage and related chemical feed equipment adjustments based upon the results from such tests
  • Perform efficiency tests on pumps, compressors, and related equipment.
  • Monitor the status of plant pumping and equipment, using technical information such as main pressure, system pressure, wet well elevation, water elevations, electrical system voltages, pump motor voltages, and computer system outputs
  • Direct and coordinate trash screen cleaning, filters, and related work involving the upkeep of plant facilities
  • Maintain and update plant operation logs and records
  • Use Supervisory Control and Data Acquisition (SCADA) and computerized maintenance management systems
  • Maintain and replenish materials and supplies necessary for plant operation.
  • Operate equipment such as engine driven pumps, generators, compressors, hoists, forklifts, cranes, and other heavy equipment
  • Schedule and coordinate the work of assigned plant operation personnel.
  • Train and assist less experienced personnel in plant operations; ensure that proper safety practices are followed
  • Work in confined spaces, on temporary scaffolding, and on high structures; using breathing apparatus and/or Level I Hazmat suits
  • Performs other duties as assigned by direct supervisor


  • Equivalent to the completion of twelfth grade 
  • Ability to communicate clearly in English (verbally and written)
  • Valid Driver’s License
  • Minimum two years of experience in the water operations field


  • Employee frequently required to stand, walk, sit, and reach with hands and arms. Employee is occasionally required to climb or balance and stoop, kneel, crouch, or crawl
  • Employee must regularly lift and or move up to 25 pounds and occasionally lift and or move up to 50 pounds
  • Work in confined spaces, using a self-contained breathing apparatus and or level one hazmat suits; work on temporary scaffolding, and on high structures
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