Maintenance Technician - Tier 3

Position: Maintenance Technician (Tier 3)

Location: St. Charles, IL

Shift Schedule: 8:00 a.m. - 4:30 p.m. | Monday-Friday

Summary:

The Tier 3 Maintenance Technician is a senior-level maintenance professional responsible for advanced troubleshooting, diagnostics, and repair of complex manufacturing equipment and facility systems. This role serves as a technical expert, supports continuous improvement, leads root cause analysis, and ensures optimal equipment performance and minimal downtime.

Key Responsibilities:

• Perform advanced troubleshooting and diagnostics on electrical, mechanical, hydraulic, pneumatic, and PLC-controlled systems

• Mentor and support lower-tier maintenance technicians through training and technical guidance

• Lead and participate in root cause analysis (RCA) and implement corrective actions

• Program, troubleshoot, and maintain PLCs, HMIs, motor controls, and variable frequency drives (VFDs)

• Complete preventive and predictive maintenance tasks accurately and on schedule

• Read and interpret electrical and mechanical schematics, blueprints, and equipment manuals

• Install, repair, and upgrade machinery and equipment as part of capital projects or system improvements

• Assist with developing and updating maintenance SOPs and equipment documentation

• Follow OSHA requirements, safety standards, and company policies at all times

• Support facility systems including HVAC, compressed air, boilers, and water treatment

• Collaborate with engineering, production teams, and external vendors on repairs and upgrades

• Perform other duties as assigned by the Maintenance Supervisor or Maintenance Manager

Qualifications:

• High school diploma or equivalent required

• Technical certification or associate degree in industrial maintenance, electromechanics, or related field preferred

• Minimum 5 years of maintenance experience in an industrial or manufacturing environment

• Strong knowledge of PLCs (Allen-Bradley, Siemens), HMIs, automation systems, and sensors

• Advanced troubleshooting skills in electrical, mechanical, hydraulic, and pneumatic systems

• Ability to lead by example, prioritize tasks, and work independently

• Proficiency with CMMS (Computerized Maintenance Management Systems)

• Forklift and aerial lift certification required or ability to obtain

• Ability to read and interpret blueprints, schematics, and technical manuals

• Strong communication skills and ability to train and document work clearly

Physical Demands:

• Frequent standing, walking, bending, lifting, pushing, pulling, and reaching

• Ability to lift up to 50 lbs frequently and 60 lbs occasionally

• Clear vision at close and far distances, peripheral vision, depth perception, and ability to distinguish colors

• Ability to work in physically active and hands-on maintenance environments

Work Conditions:

• Exposure to moving mechanical equipment, high temperatures, hot water, oil, grease, solvents, cleaners, lubricants, water treatment chemicals, compressed air, noise, and dust

• Required PPE may include safety glasses, ear protection, hairnets, hard hats, and face coverings