Wastewater Mechanic I-II (Industrial Maintenance) - Regional Wastewater Facility

City of San Jose•San Jose - Santa Clara Regional Wastewater Facility, CA
•Onsite

About The Position

The City of San José’s Environmental Services Department is hiring a full-time Wastewater Mechanic I/II, also known as an Industrial Maintenance Technician, for the Wastewater Facility Maintenance Division. The position is based at the San José-Santa Clara Regional Wastewater Facility, which operates 24/7 and serves the South Bay. Wastewater Mechanics perform technical and mechanical work involving preventive and corrective maintenance of wastewater plant machinery and equipment. They may assist Senior Wastewater Mechanics with more difficult and complex work and can attend training to improve equipment knowledge and stay current with industry trends. The role requires working independently and collaboratively. Typical Maintenance Division schedules are four 10-hour shifts. Employees may be called upon to work overtime, holidays, or alternative shifts to support facility operations.

Requirements

  • High school completion, a General Educational Development (G.E.D.) Certificate, or a California Proficiency Certificate.
  • For Wastewater Mechanic I: two years of journey-level mechanic experience in hydraulics, wastewater treatment, or a closely related industry, or in operation, maintenance, repair, and overhaul of mechanical and electrical equipment related to large stationary diesel and spark-ignited engines and/or power generators; alternatively, four years assisting Wastewater Mechanics with wastewater equipment maintenance and repair at a level equivalent to Wastewater Attendant or Assistant Heavy Diesel Equipment Operator/Mechanic with the City of San José.
  • For Wastewater Mechanic II: two years of journey-level mechanic experience in hydraulics, wastewater treatment, or a closely related industry, or in operation, maintenance, repair, and overhaul of mechanical and electrical equipment related to large stationary diesel and spark-ignited engines and/or power generators; alternatively, four years assisting Wastewater Mechanics with wastewater equipment maintenance and repair at a level equivalent to Wastewater Attendant with the City of San José.
  • For Wastewater Mechanic II, an alternative qualification is completion of the Attendant Skills Knowledge and Evaluation (SKE) program, California Water Environment Association (CWEA) Plant Mechanical Technologist Grade I certification, three years assisting Wastewater Mechanics with wastewater equipment maintenance and repair at a level equivalent to Wastewater Attendant with the City of San José, and CWEA Plant Mechanical Technologist Grade II certification. Two years of experience as a Wastewater Mechanic I may substitute for the Plant Mechanical Technologist Grade II certification.
  • Possession of a valid State of California Class C driver’s license.
  • Ability to exert up to 100 pounds of force occasionally, up to 50 pounds frequently, and up to 20 pounds constantly to move objects.
  • Ability to move between and within work areas, including sitting, walking, standing on various surfaces, turning, bending, grasping, and repetitive hand movements.
  • Ability to identify problems or hazards, work in confined spaces and around machines, and climb and descend ladders.
  • Ability to work in conditions that may include loud noise, hot or cold temperatures, inclement weather, road hazards, vibration, confined workspaces, chemicals, mechanical or electrical hazards, hazardous physical substances, fumes, dust, and air contaminants.
  • Successful completion of a pre-employment respiratory physical exam.
  • Knowledge and experience with applicable technical principles and practices, City and departmental procedures and policies, and federal and state rules and regulations related to the wastewater facility.
  • Knowledge of mechanical principles and practices, including hydraulics, pneumatics, power transmission, and mechanical systems commonly found in wastewater treatment facilities and similar heavy industrial environments.
  • Knowledge and experience in maintenance, troubleshooting, repair, and overhaul of industrial equipment such as pumps, valves, gearboxes, compressors, mixers, and conveyors.
  • Knowledge of preventive and corrective maintenance practices, including lubrication, bearing and seal replacement, shaft alignment, rigging, mechanical assembly, and use of precision measuring instruments and diagnostic tools.
  • Experience with common business computer applications, including MS Outlook, MS Word, and MS Excel.
  • Demonstrated flexibility, initiative, multitasking, reliability, teamwork, interpersonal skills, and oral and written communication skills.
  • Ability to work overtime, holidays, or alternative shifts when called upon to support facility operations.

Nice To Haves

  • Completion of technical trade school, vocational training, or an apprenticeship program in industrial mechanics, mechanical maintenance, or a closely related field.
  • Specialized certifications or training in welding and fabrication, backflow prevention assembly testing and maintenance, rigging and signaling, confined space entry, hazardous materials handling, or industrial equipment maintenance.
  • Experience maintaining, troubleshooting, and repairing industrial mechanical equipment, including pumps, valves, gearboxes, piping systems, conveyors, and other equipment commonly found in wastewater treatment facilities or similar industrial environments.
  • Welding knowledge.
  • Familiarity with modern control systems, including Supervisory Control and Data Acquisition (SCADA), Human Machine Interface (HMI), and Computerized Maintenance Management System (CMMS).
  • Strong mechanical, problem-solving, teamwork, and customer service experience, knowledge, skills, and abilities.
  • Basic computer skills.

Responsibilities

  • Troubleshoot and repair wastewater facility buildings and equipment, including pumps, valves, gearboxes, compressors, blowers, grit removal systems, conveyors, mixers, clarifiers, and chemical feed systems.
  • Fabricate and modify parts using shop equipment such as drill presses, ironworkers, band saws, pedestal grinders, and hydraulic shears.
  • Operate bridge cranes, chain falls, lever hoists, and associated rigging equipment.
  • Conduct scheduled equipment inspections to identify potential malfunctions and ensure continued operation.
  • Determine spare-parts inventory levels, initiate part replacements, and stock replacement parts.
  • Use computer-based work order and inventory management systems to create, complete, and track maintenance tasks and parts usage.
  • Maintain accurate equipment, system, and component maintenance and repair records, and assist with maintaining and updating maintenance manuals.
  • Interpret service manuals, parts manuals, and technical drawings to support maintenance and repair work.
  • Communicate work progress, existing or potential issues, and process improvement suggestions to the supervisor.
  • Collaborate with other trades and on-site work groups to complete tasks efficiently.
  • Attend required safety and technical training.
  • Support the preventive and corrective maintenance of wastewater plant machinery and equipment; assist Senior Wastewater Mechanics with more difficult and complex duties as needed.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service