Maintenance Supervisor

Liberty Personnel Services, Inc.; Perth Amboy (NJ); On-site; USD 75,000 - 105,000; Full time

Job summary

Liberty Personnel Services, Inc. in Perth Amboy, NJ, seeks an experienced Maintenance Supervisor to lead maintenance in a fast-paced industrial manufacturing setting.

You will ensure safe, reliable operation of production equipment, utilities, and facility systems, driving uptime and efficiency. You will supervise technicians, prioritize preventive maintenance, troubleshoot issues, and collaborate with Operations and Engineering on upgrades and process improvements while maintaining a safe,

Qualifications

• Minimum 5+ years in industrial maintenance with supervisory experience.
• Strong mechanical and electrical troubleshooting skills.
• Experience with industrial machinery, PLCs, motors, drives, hydraulics, pneumatics, and control systems.
• Ability to read electrical schematics, mechanical drawings, and equipment manuals.
• Leadership and safety-focused mindset.

Responsibilities

• Supervise, schedule, and support maintenance technicians and daily activities.
• Lead preventive and predictive maintenance programs to improve reliability.
• Troubleshoot mechanical, electrical, hydraulic, pneumatic, and automated equipment.
• Respond to breakdowns and coordinate timely repairs to minimize downtime.
• Maintain maintenance schedules, work orders, parts inventory, and records.
• Coordinate outside contractors and service providers when required.
• Ensure maintenance work follows safety procedures and OSHA requirements.
• Identify recurring issues and implement corrective improvements.
• Partner with Production and Engineering on upgrades and process improvements.
• Maintain a clean, organized, and safe maintenance environment.
• Train and develop maintenance team members.

Skills

Supervisory experience

Mechanical troubleshooting

Electrical troubleshooting

Industrial PLCs

Electrical schematics reading

Preventive maintenance

Team leadership

Communication skills

Tools

SCADA

Job description

We are seeking an experienced Maintenance Supervisor to lead and coordinate maintenance activities in a fast-paced industrial manufacturing environment. This position is responsible for ensuring the safe, reliable, and efficient operation of production equipment, machinery, utilities, and facility systems.

The Maintenance Supervisor will lead a team of maintenance technicians, prioritize preventive and corrective maintenance, troubleshoot equipment issues, and work closely with Operations and other departments to minimize downtime and maintain production efficiency.

Key Responsibilities

• Supervise, schedule, and support maintenance technicians and daily maintenance activities.
• Lead preventive and predictive maintenance programs to improve equipment reliability.
• Troubleshoot mechanical, electrical, hydraulic, pneumatic, and automated equipment.
• Respond to equipment breakdowns and coordinate timely repairs to minimize production downtime.
• Maintain maintenance schedules, work orders, parts inventory, and equipment records.
• Coordinate outside contractors and specialized service providers when required.
• Ensure all maintenance work follows company safety procedures, OSHA requirements, and applicable regulations.
• Identify recurring equipment issues and implement corrective and long-term reliability improvements.
• Partner with Production and Engineering teams on equipment upgrades, installations, and process improvements.
• Maintain a clean, organized, and safe maintenance environment.
• Train, coach, and develop maintenance team members.

Qualifications

• 5+ years of industrial maintenance experience, with supervisory or lead experience preferred.
• Strong mechanical and electrical troubleshooting skills.
• Experience with industrial machinery, PLCs, motors, drives, hydraulics, pneumatics, and control systems.
• Ability to read electrical schematics, mechanical drawings, and equipment manuals.
• Strong understanding of preventive maintenance and equipment reliability practices.
• Excellent leadership, communication, organization, and problem-solving skills.
• Ability to work in a hands-on industrial environment and respond to equipment emergencies when needed.

Ideal Candidate

The ideal candidate is a hands-on maintenance leader who can effectively balance team leadership, safety, troubleshooting, preventive maintenance, and production demands. Strong technical knowledge, sound judgment, and the ability to keep equipment running reliably are essential to success in this role.

Dee Song

Liberty Personnel Services, Inc.