Job Details

City of San Jose
  • Position Number: 3167252
  • Location: San Jose, CA
  • Position Type: Facilities Management
Wastewater Mechanics (also known as Cogen Operator / Diesel Mechanic) in the Energy and Automation Division are responsible for operating, maintaining and overhauling the Facility's industrial mechanical and electrical equipment related to large stationary diesel-ignited/spark-ignited engine driven blowers and/or power generators, gas compressors and gas storage such as commonly found in municipal power plants, natural gas pipeline compressor stations and large marine propulsion systems. The Wastewater Mechanics (Cogen Operator / Diesel Mechanics) often work in teams of two while performing preventative maintenance, repairs, and overhauls on Facility equipment. This team provides 24/7 staffing and are typically assigned to rotating shifts including nights, weekends and holidays.

The Cogen Operator / Diesel Mechanics also perform tasks incluidng, but not limited to, the following:
  • Preventive maintenance and inspections of all equipment in the Power and Air (P&A) section.
  • Use precision measuring tools, granite table, non destructive testing, Prussian blue, polishing stones, fitting bearings to shafts.
  • Various welding disciplines (such as arc, tig, mig) as well as oxy-acetylene and plasma/carbon arc cutting.
  • Fabricate specialty tools, obsolete engine parts, and fixtures.
  • Operate bridge cranes, chain falls, lever hoists and all associated rigging.
  • Interpret drawings, service manuals and parts manuals.
  • Operate seat grinder, valve grinder, drill press, band saw, vertical mill, engine lathe, iron worker, sheet metal brake and surface grinder as well as forklift and man lift.
  • Repair and inspect of low and high pressure-piping systems.
  • Work with electricians, instrumentation technicians, painters, HVAC and other mechanics
  • Attend all safety trainings.

*Please note that applications are currently not accepted through CalOpps or any other third-party job board application system. To apply, applicants must complete an application via the City of San Jose's website at

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