Senior Maintenance Tech - Industrial Equipment Expert

Proampac Ontario Plant; Ontario (CA); Hybrid; USD 75,000 - 110,000; Full time

Benefits offered by this job

Overtime pay

Job summary

Proampac Ontario Plant is seeking a Maintenance Technician III to keep our operations safe and productive. You’ll onboard on day shift for 30 days, then switch to an AWS schedule with 12‑hour days and alternating 4‑day/3‑day weeks, onsite in Ontario, CA.

Responsibilities include troubleshooting and repairing production machinery, performing preventive and predictive maintenance, diagnosing mechanical, hydraulic, pneumatic and basic electrical issues, supporting breakdowns and service calls,

Qualifications

• Ten or more years in industrial maintenance experience are required.
• Strong mechanical troubleshooting and repair skills are expected.
• Experience with hydraulics and pneumatics is required.
• Basic electrical and controls knowledge is needed.
• Experience working in manufacturing environments is essential.
• Ability to work independently and prioritize multiple tasks is important.
• High School Diploma or GED is required.

Responsibilities

• Troubleshoot and repair production machinery, utilities, and facility equipment.
• Perform preventive and predictive maintenance activities.
• Diagnose mechanical, pneumatic, hydraulic, and basic electrical issues.
• Support production during breakdowns and service calls.
• Complete work orders through the CMMS system.
• Install, modify, and improve equipment for reliability.
• Assist with plant modernization and continuous improvement projects.
• Maintain pumps, motors, compressors, chillers, and other equipment.
• Work independently while collaborating with operations and maintenance teams.
• Support safety inspections and hazard identification to uphold the culture.

Skills

Troubleshooting

Preventive maintenance

Mechanical repair

Hydraulics & pneumatics

Electrical basics

Manufacturing environment

Independent work

Education

High School Diploma or GED

Technical school degree or equivalent experience

Journeyman-level experience in electrical, millwright, or related trades

Tools

CMMS experience

Job description

Proampac Ontario Plant is seeking a Maintenance Technician III to keep our operations safe and productive. You’ll onboard on day shift for 30 days, then switch to an AWS schedule with 12‑hour days and alternating 4‑day/3‑day weeks, onsite in Ontario, CA.

Responsibilities include troubleshooting and repairing production machinery, performing preventive and predictive maintenance, diagnosing mechanical, hydraulic, pneumatic and basic electrical issues, supporting breakdowns and service calls,