Senior Maintenance Mechanic

Senior Maintenance Mechanic
St Charles, IL (On-site)
Compensation: $40.00 to $50.00 per hour based on education, experience, and skills assessment
Multiple Openings: All 3 Shifts Available
Shift Differentials: $1.00 per hour for 2nd shift, $2.00 per hour for 3rd shift

About the Role
A well-established chemical manufacturing operation in St Charles is hiring three Senior Maintenance Mechanics, one for each shift, to support a 24/7 continuous chemical process across a technically sophisticated multi-level facility. This is a hands-on role supporting pumps, mixers, reactors, heat and cooling systems, motors, and related industrial equipment across multiple process areas. The facility is expanding from two to three shifts, and this is a great time to join a stable, growing operation with strong earning potential including overtime.
Candidates should know upfront that this is a chemical manufacturing environment involving heat, cooling systems, and hazardous materials. A safety-first mindset is not optional here; it is the foundation of everything the team does.
About the Company
This is a large, globally recognized chemical manufacturer with a multicultural workforce and a culture built around safety, technical excellence, and long-term career development. The maintenance team is collaborative and cross-functional, working closely with production supervisors, engineering, and quality control to keep a complex, automated operation running at peak performance. Quarterly maintenance shutdowns and an annual full plant shutdown provide structured time for larger projects and planned work.
Responsibilities

• Perform hands-on mechanical and electrical maintenance across a continuous chemical manufacturing operation including pumps, mixers, reactors, motors, piping, valves, and transfer systems
• Troubleshoot and repair mechanical systems including pump rebuilds, mixer maintenance, motor replacement, and wiring
• Perform electrical troubleshooting including 480V systems and VFD diagnostics; PLC knowledge is a plus for candidates on certain shifts
• Execute preventive and predictive maintenance tasks and document work accurately in the CMMS
• Respond to equipment breakdowns quickly and effectively to minimize production downtime on a 24/7 continuous process
• Coordinate with production supervisors, engineering, and quality control on maintenance priorities and planned work
• Support quarterly shutdowns and annual plant turnarounds which may involve additional overtime hours
• Maintain a safe work environment and follow all PSM, OSHA, LOTO, and facility safety protocols

Requirements

• AAS / Maintenance Certifications is required or an equivalent of 10+ years of manufacturing maintenance experience
• Experience in a chemical, industrial, or process manufacturing environment is required; backgrounds from similar chemical or industrial operations are strongly preferred
• PSM program is a plus
• Strong mechanical skills required including pumps, mixers, motors, piping, and related industrial equipment
• Electrical troubleshooting experience preferred including 480V systems and VFD diagnostics; candidates with electrical strength are especially needed for 3rd shift coverage
• PLC knowledge is a plus but not required
• Safety-first mindset with demonstrated knowledge of OSHA compliance, LOTO, and hazardous material handling
• Must provide own basic hand tools

Compensation and Benefits

• $40.00 to $50.00 per hour based on education, experience, and skills assessment results
• Shift differentials: $1.00 per hour for 2nd shift, $2.00 per hour for 3rd shift
• Optional overtime averaging 10 hours per week with up to 15 to 20 hours during turnarounds
• Comprehensive benefits package
• Stable, globally recognized company with long-term career growth potential
• Quarterly shutdowns and annual plant turnaround provide structured project time

This is a role for someone who takes safety seriously, knows their way around complex industrial equipment, and wants to be part of a world-class chemical manufacturing team. If that describes you, apply now and let's talk.

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