Senior Maintenance Technician — Injection Molding

Job Title: Senior Maintenance Technician — Injection Molding

Location: Jacksonville, FL.

Payrate: $30-$35/hr. DOE

Hours: 7:00AM-3:30PM Monday-Friday

Department: Injection Molding / Manufacturing Reports to: Maintenance Supervisor / Maintenance Manager FLSA: Non-Exempt

Position Summary Experienced hands-on technician responsible for preventive, predictive, and corrective maintenance of injection molding machines and related production equipment. Focus on hydraulics, electronics/control systems, and pneumatics to maximize uptime, product quality, and equipment life.

Qualifications & Experience

• High school diploma or equivalent; technical diploma or associate degree in industrial maintenance, mechatronics, electrical, or related field preferred.
• 5 years’ experience maintaining injection molding machines and manufacturing equipment.
• Strong, demonstrable experience in hydraulics, pneumatics, and industrial electronics/controls (PLCs, HMIs, AC/DC drives).
• Experience with servo-driven injection presses, hydraulic power units and mold support systems preferred.
• Proficient reading and interpreting electrical, hydraulic and pneumatic schematics.
• Hands-on experience with multimeters, oscilloscopes, pressure gauges, and common diagnostic tools.
• Familiarity with CMMS, spare parts management and basic PLC programming/ladder logic troubleshooting.
• Strong mechanical aptitude and ability to perform precision adjustments and alignments.

Preferred Certifications

• Hydraulic/Pneumatic certification, PLC/troubleshooting courses, electrical license, or relevant vendor certifications (e.g., machine manufacturer).
• OSHA 10/30 or equivalent safety training.

Key Responsibilities

• Troubleshoot, diagnose and repair injection molding machines (hydraulic and electric) and auxiliary equipment.
• Perform electrical and electronic repairs: PLCs, sensors, drives, motor controls, wiring, HMIs.
• Maintain, repair and adjust hydraulic systems: pumps, valves, cylinders, hoses, seals, pressure and flow controls.
• Service pneumatic systems: air preparation units, valves, actuators, tubing and fittings.
• Conduct preventive maintenance tasks and inspections per schedule; create and update PM checklists.
• Perform root-cause analysis for repeat failures and implement corrective actions.
• Calibrate and verify machine controls, temperature controllers, and measurement instrumentation.
• Read and interpret electrical, hydraulic and pneumatic schematics, BOMs and machine manuals.
• Maintain accurate maintenance records, spare parts inventory, and completion reports.
• Support mechanical repairs: bearings, gearboxes, clamping systems, molds (remove/install), and basic machining/welding as needed.
• Collaborate with production, engineering and quality to support tooling changes, process improvement and downtime reduction.
• Mentor and train junior technicians on safe maintenance practices and troubleshooting techniques.
• Ensure compliance with safety, lockout/tagout, and environmental procedures.

Skills & Attributes

• Excellent troubleshooting and root-cause analysis skills.
• Strong problem-solving, organization and time-management skills.
• Effective communication and teamwork; ability to train others.
• Attention to detail and quality-focused mindset.
• Able to work under pressure and prioritize maintenance tasks to minimize downtime.
• Commitment to safety and continuous improvement.

Physical Requirements & Work Conditions

• Ability to lift up to 50 lbs frequently and perform physical tasks (standing, bending, climbing ladders).
• Work in manufacturing environment: noise, heat, chemical exposure; PPE required.
• Availability for overtime, shift work and emergency call-in as needed.

Performance Metrics

Machine uptime/availability, mean time to repair (MTTR), preventive maintenance completion rate, reduction in repeat failures, spare parts turnover.

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