• Irvine Ranch Water District (Irvine, CA)
    …of employment. A valid California State Water Resources Control Board Wastewater Treatment Plant Operator Grade I within 18 months of employment is required. ... Operator II: A valid California State Water Resources Control Board Wastewater Treatment Plant Operator Grade II. Operator III: A valid California State… more
    Upward (06/25/25)
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  • Ineos Group Ltd (Carson, CA)
    …required. Preferred candidates would have 2 or more years directly related experience as an Operator in a chemical plant , refinery, or gas processing plant ... division office in League City, TX. The Carson, California plant - located 25 miles south of Los Angeles...inefficiency. Understand and execute daily tasks in accordance with Operator Expectations Participate in various shift meetings (ie shift… more
    Upward (07/18/25)
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  • Stationary Engineer, Sewage Plant (Job Code…

    City and County of San Francisco (San Francisco, CA)
    …that have the following: + Four years of verifiable journey level Stationary Engineer, Plant Operator and/or Plant Mechanic experience in the operation, ... must have a California Grade I Wastewater Treatment Plant Operator Certificate; within two (2) years...Operator Certificate + 4-year bachelor's degree + 2-year associate 's degree Verification of Education and Experience: Applicants may… more
    City and County of San Francisco (07/03/25)
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  • Operator II - El Segundo

    Jacobs (San Francisco, CA)
    …Leads and the Operations Supervisor, and with general guidance from the Chief Plant Operator . Principal Areas of Responsibility * Knowledge of wastewater ... technical staff and with the approval of the Chief Plant Operator * Responsible for general housekeeping...Have * Minimum High School Diploma or equivalent * Associate degree or bachelor's degree in a related field… more
    Jacobs (06/27/25)
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  • Lead Operator (Shift Lead) - El Segundo

    Jacobs (Los Angeles, CA)
    …part in weekly conference calls with team leads, operations supervisor and Chief Plant Operator . * Perform predictive, preventive and corrective equipment and ... - people. Jacobs is searching for a dynamic Lead Operator (Shift Lead) to join our team in El...and federal regulations through routine monitoring and adjustment of plant manuals and computerized control systems. You'll identify and… more
    Jacobs (06/24/25)
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  • Utilities Operator (R&D Site)

    Mentor Technical Group (Millbrae, CA)
    …+ Performs routine tasks relative to equipment operations as directed. + Assist Plant Operator in operations of plant controls as instructed. ... associated equipment. + Lines up, starts, stops and secures equipment as required by the plant operator . + Knows and abides by all safety rules and regulations.… more
    Mentor Technical Group (07/05/25)
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  • Advanced Water Treatment Operator - Santa…

    Jacobs (Sacramento, CA)
    …focus on what matters most to them - people. Under the general direction of Chief Plant Operator , the Advance Water Treatment Operator is responsible for the ... Facility (AWPF) in Santa Cruz, CA as an Advanced Water Treatment Operator . The AWPF is a complex state-of-the-art facility comprising of Ozone, Membranes,… more
    Jacobs (05/31/25)
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  • Water Supply Operator I

    Essel (Pomona, CA)
    …required if applicant does not hold a valid T1 certification. + SWRCB Water Treatment Plant Operator 1 certification preferred at time of hire, or must obtain ... The Water Supply Operator I is an entry-level position requiring immediate...Pressure Reducing/Sustaining Valves + Assists with the maintenance of plant equipment and facilities + Performs water level measurements… more
    Essel (06/09/25)
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  • Production Operator

    Niagara Bottling LLC (Delano, CA)
    …offer competitive compensation and benefits packages for our Team Members. Production Operator This position is responsible for daily operations of the production ... + Adheres to the highest standards of company and plant safety programs, guidelines, rules, and regulations. + Abides...+ High School Diploma or GED + Preferred: + Associate 's Degree Certification/License: + Required: N/A + Preferred: N/A… more
    Niagara Bottling LLC (07/24/25)
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  • Operator III

    Veolia North America (Hollister, CA)
    …States for three consecutive years, and the country's largest private water operator and technology provider as well as hazardous waste and pollution treatment ... preventive maintenance, lubrication and minor adjustments. + Operates vehicles for plant operational purposes. + Practices good housekeeping in assigned area and… more
    Veolia North America (07/01/25)
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