Maintenance Mechanic Crest Steel Corporation - 3.4 Riverside, CA Job Details Full-time $30 - $35 an hour 2 hours ago Qualifications Manufacturing plant facilities maintenance experience PLC-based control system operation Pneumatic machine repair Manufacturing facility experience Industrial electronics Driver's License Hydraulic system maintenance Full Job Description The Maintenance Technician is responsible for the installation, troubleshooting, repair, and preventive maintenance of manufacturing equipment, facility systems, and material handling equipment. This position requires strong industrial maintenance experience with an emphasis on high-voltage electrical systems, PLC controls, automation, hydraulics, pneumatics, and mechanical troubleshooting . The Maintenance Technician supports plant operations by minimizing equipment downtime, maintaining a safe work environment, and ensuring equipment reliability. Troubleshoot, repair, and maintain industrial machinery, production equipment, conveyors, cranes, forklifts, and material handling systems. Diagnose and repair high-voltage electrical systems , including motor controls, transformers, switchgear, VFDs, and power distribution equipment. Troubleshoot, modify, and maintain PLC-controlled equipment , including Allen-Bradley, Siemens, or equivalent systems. Read and interpret electrical schematics, blueprints, wiring diagrams, and technical manuals. Perform preventive and predictive maintenance on electrical, hydraulic, pneumatic, and mechanical systems. Install, test, and commission new equipment, machinery upgrades, and automation systems. Troubleshoot electrical control circuits, sensors, relays, contactors, and industrial communication devices. Perform welding, fabrication, and equipment modifications as required. Maintain facility infrastructure including lighting, plumbing, compressed air systems, and building repairs. Utilize lockout/tagout (LOTO), confined space, fall protection, and other safety procedures during maintenance activities. Manage maintenance spare parts inventory and maintain accurate maintenance records. Respond to equipment breakdowns and emergency repairs in a timely manner to maximize production uptime. Support continuous improvement initiatives focused on safety, efficiency, reliability, and cost reduction. Follow all company safety policies, OSHA regulations, and environmental requirements. Strong knowledge of industrial electrical systems up to 480V and higher. Proficient in PLC troubleshooting, diagnostics, and programming modifications. Knowledge of motor controls, VFDs, servo systems, and automation equipment. Strong understanding of hydraulic and pneumatic systems. Ability to read and interpret electrical schematics, blueprints, and technical drawings. Experience using multimeters, meggers, and other electrical diagnostic tools. Ability to safely perform lockout/tagout procedures and follow OSHA regulations. Strong troubleshooting, problem-solving, and organizational skills. Effective verbal and written communication skills. Valid driver's license required.