Senior Industrial Maintenance Technician IV

ATI; Irvine (CA); On-site; USD 95,000 - 125,000; Full time

Job summary

ATI is seeking a Maintenance Technician IV to troubleshoot, repair, and maintain complex electrical, mechanical, hydraulic, pneumatic, PLC-controlled, and robotic production systems. You will lead technical efforts, mentor junior technicians, and support continuous improvement initiatives in a dynamic manufacturing setting.

Applicants should have extensive experience with PLCs, robotics, and motor control systems, and demonstrate strong analytical, communication, and teamwork skills to reduce

Qualifications

• Minimum of five years of industrial maintenance experience in a manufacturing environment.
• Advanced electrical and mechanical troubleshooting skills.
• Strong knowledge of hydraulic equipment and fluid power systems.
• High-level understanding of PLC-controlled equipment with the ability to troubleshoot control system failures independently.
• Experience with industrial robotics, including troubleshooting and programming edits.
• Experience with AC/DC motor controls and variable frequency drives (VFDs).
• Ability to interpret electrical schematics, hydraulic diagrams, blueprints, and technical manuals.

Responsibilities

• Diagnose, troubleshoot, repair, and maintain electrical, mechanical, hydraulic, pneumatic, and automated production equipment.
• Perform advanced troubleshooting of PLC-controlled systems, identifying electrical, programming, and mechanical faults to restore equipment operation.
• Support industrial robotic systems by troubleshooting equipment issues, performing programming edits, and assisting with automation improvements.
• Install, repair, and maintain hydraulic presses, fluid power systems, pumps, valves, cylinders, motors, and associated mechanical components.
• Troubleshoot and maintain AC/DC motor controls, variable frequency drives (VFDs), sensors, relays, and industrial control systems.
• Utilize electrical schematics, hydraulic diagrams, blueprints, OEM manuals, and technical documentation to diagnose equipment failures and complete repairs.
• Perform preventive, predictive, and corrective maintenance using established maintenance procedures and reliability-centered maintenance practices.
• Complete equipment inspections, maintenance records, work orders, and documentation accurately within the maintenance management system.
• Assist in root cause analysis and implement corrective actions to improve equipment reliability and reduce recurring failures.
• Train, coach, and mentor Maintenance Technicians I-III by providing technical guidance, troubleshooting support, and sharing maintenance best practices.
• Serve as a key stakeholder for vibration and temperature monitoring systems, utilizing condition-based monitoring data to identify potential equipment failures, support predictive maintenance efforts, and improve equipment reliability.

Skills

Industrial maintenance

Electrical troubleshooting

Mechanical troubleshooting

PLC systems

Robotics troubleshooting

Hydraulic & pneumatic systems

Root cause analysis

Education

5+ years industrial maintenance experience

Related technical degree or certification

Tools

PLC hardware

Robotics hardware

VFDs

Job description

ATI is seeking a Maintenance Technician IV to troubleshoot, repair, and maintain complex electrical, mechanical, hydraulic, pneumatic, PLC-controlled, and robotic production systems. You will lead technical efforts, mentor junior technicians, and support continuous improvement initiatives in a dynamic manufacturing setting.

Applicants should have extensive experience with PLCs, robotics, and motor control systems, and demonstrate strong analytical, communication, and teamwork skills to reduce