Job Description

Overview

The Maintenance Mechanic is responsible for troubleshooting and repairing CNC machining centers, lathes, and automated manufacturing equipment, ensuring optimal performance and compliance with safety standards.

Responsibilities

  • Troubleshoot and repair CNC machining centers, CNC lathes, and automated manufacturing equipment.
  • Diagnose electrical, mechanical, hydraulic, pneumatic, and servo-related issues.
  • Perform preventive and predictive maintenance according to established schedules.
  • Read and interpret electrical schematics, ladder logic, mechanical drawings, and equipment manuals.
  • Repair and maintain spindle systems, ball screws, way covers, tool changers, conveyors, coolant systems, and lubrication systems.
  • Troubleshoot CNC controls including Fanuc, Mitsubishi, Haas, Siemens, or similar platforms.
  • Install, align, level, and commission new manufacturing equipment.
  • Perform machine geometry checks and basic machine calibrations.
  • Troubleshoot motor drives, VFDs, relays, contactors, sensors, encoders, and PLC-controlled systems.
  • Support production during machine breakdowns and perform emergency repairs as needed.
  • Maintain accurate maintenance records and work orders within CMMS or company systems.
  • Coordinate with operators, setup personnel, programmers, and engineering teams to identify recurring equipment issues.
  • Recommend equipment improvements and reliability enhancements.
  • Ensure compliance with OSHA, LOTO (Lockout/Tagout), and company safety requirements.
  • Perform building and facility maintenance as needed, including air compressors, chillers, coolant systems, electrical distribution equipment, and overhead cranes.

Requirements

  • 3+ years of CNC maintenance experience in a manufacturing environment.
  • Strong troubleshooting skills in electrical and mechanical systems.
  • Ability to work on CNC mills, lathes, horizontal machining centers, and automated production equipment.
  • Experience with Fanuc controls strongly preferred.
  • Knowledge of PLC troubleshooting and industrial automation.
  • Ability to use multimeters, oscilloscopes, alignment tools, and precision measuring instruments.
  • Welding, fabrication, and machine rebuilding experience preferred.
  • Ability to lift up to 50 pounds and work in a manufacturing environment requiring standing, climbing, bending, and reaching.

How this job compares in Irwindale, CA

Pay in context

This employer didn't publish a rate. For reference, welding jobs in Irwindale, CA currently run a median of $33/hr in our index, with the middle half of them falling between $31–$37/hr across 9 postings with published pay. That median is a reasonable floor to anchor on when a recruiter asks what you're looking for.

The local market in Irwindale, CA

Irwindale, CA currently has 9 other active welding openings besides this one, spread across 5 employers. None of them were added in the last week, so this is a slower-moving market. Across California as a whole we're tracking 505 other active welding openings from 240 employers. That's enough local activity to be worth comparing two or three offers before committing. Browse every welding job in Irwindale, or widen the search to California.

Employbridge currently has 1 other opening live in California, which is usually a sign of either steady growth or steady turnover — worth asking which in the interview.

The most active employers in California at the moment, by number of open welding reqs, are SpaceX (37), Relativity Space (18), and Welding Shop in Los Angeles, CA (13). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Within California, the best-paying metros we track by median hourly rate are El Segundo at $53/hr, Los Angeles at $51/hr, and Pasadena at $50/hr. If you can relocate or commute, that spread is worth factoring in.

Similar openings near Irwindale, CA

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Maintenance Mechanic figures were last recalculated when this page was built.