Lead Maintenance Technician – Conveyor Systems; CMSC | Commerce

Job Description

OnTrac is hiring a Lead Maintenance Technician – Conveyor Systems (2) in Commerce. This role supports and leads maintenance activities in a fast‑paced parcel sortation environment, ensuring conveyor and material handling systems operate safely and reliably. The Lead will manage shift‑level maintenance response, assign and prioritize work, mentor technicians, and drive root‑cause corrective actions to reduce downtime.

5959 Randolph St, Commerce, CA 90040, USA

The hourly pay range for this position is $40.39 to $60.58 per hour
. Actual compensation will be determined based on experience, skills, internal equity, geographic location, and other job‑related factors.

• Monday through Friday – 9:00 am to 5:30 pm and on call as needed.
• Monday through Friday – 2:00 pm to 10:30 pm and on call as needed.
• Hours subject to change depending on business needs.

The Lead Maintenance Technician supports the safe and reliable operation of equipment and facilities by performing advanced preventive maintenance, troubleshooting complex mechanical and electrical issues, and repairing conveyors and sortation equipment. The role also serves as the shift‑level technical lead, coordinating maintenance response, mentoring technicians, and driving corrective actions that improve equipment reliability and reduce downtime.

• Medical, dental, and vision insurance.
• Life insurance and short‑ and long‑term disability coverage.
• 401(k) retirement savings plan with company match.
• Accrued vacation, beginning on the first day of employment, with accruals up to 96 hours for the first year of employment and up to 160 hours for longer tenure.
• Paid sick leave.
• Two paid floating holidays per year (available after 90 days of employment).
• Six paid company holidays.
• Two weeks paid pregnancy disability leave, four weeks paid parental bonding leave, subject to eligibility requirements.
• Employee assistance and wellness programs.

• High school diploma or GED; technical degree or trade school certificate preferred.
• At least 5 years of related experience in industrial maintenance, automated conveyor systems, or material handling equipment.
• Experience troubleshooting mechanical, electrical, and pneumatic systems.
• Experience leading or supporting maintenance work in a 24/7 operation.
• Welding and fabrication experience required.
• Proficiency reading and interpreting electrical schematics, blueprints, and equipment manuals.
• Working knowledge of 480 V 3‑phase power, motor controls, VFDs, PLCs, sensors, photo‑eyes, and HMIs.
• Knowledge of LOTO, OSHA requirements, PM programs, and safe electrical work practices.
• Ability to lift 60 pounds routinely.
• Ability to work a flexible schedule and respond after hours when required to support operations.
• Current driver’s license and clean driving record.

• Lead day‑to‑day maintenance activities for conveyor and material handling systems to keep operations running safely and with minimal downtime.
• Serve as the shift technical lead during breakdowns, assigning work, directing troubleshooting efforts, and supporting rapid recovery of conveyor and sortation equipment.
• Troubleshoot and repair conveyor systems, shoe sorters, cross‑belt sorters, pneumatic distribution equipment, motors, gearboxes, pulleys, belts, chains, shafts, bearings, and related controls.
• Perform and verify completion of preventive and corrective maintenance tasks on time and to standard.
• Diagnose mechanical, electrical, controls, and pneumatic failures using schematics, meters, manuals, PLC/HMI interfaces, and standard troubleshooting practices.
• Support startup, shutdown, equipment changeovers, and post‑repair validation to confirm systems are ready for production.
• Lead root‑cause analysis on repeat failures and major breakdowns; identify corrective actions and work with leadership to eliminate chronic issues.
• Mentor and train Maintenance Technicians on safe work practices, troubleshooting methods, PM procedures, and repair standards.
• Inspect machinery daily for wear, misalignment, component damage, unsafe conditions, and developing failures.
• Rebuild, align, adjust, and replace equipment…