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.

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.

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.

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.

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.

Performance Metrics

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