Maintenance Technician 3 1st Shift

Base pay

$30 - $38 per hour, depending on experience

1st shift: Monday - Friday 5:00 am - 1:30 pm

Employment Benefits start on day 1

Weekly Pay

Essential Duties and Responsibilities

Electrical Systems and Controls

• Diagnose and repair industrial electrical systems operating up to 480 VAC, including three-phase motors, motor starters, contactors, relays, and control circuits.
• Perform accurate electrical testing and troubleshooting across a measurement range from 10 mV through 480 V, using appropriate testing equipment and safe work practices.
• Interpret electrical schematics, wiring diagrams, ladder logic, and equipment control documentation.
• Troubleshoot programmable logic controllers (PLCs), including input/output circuits, fault conditions, and associated field devices.
• Diagnose sensors, proximity switches, photoelectric devices, limit switches, encoders, and other industrial control components.
• Troubleshoot variable frequency drives (VFDs), motor controls, and electrical feedback systems.
• Safely perform energized diagnostic measurements only when qualified and authorized under applicable electrical safety procedures.

Mechanical Systems and Power Transmission

• Troubleshoot and repair industrial mechanical equipment, including gears, gearboxes, bearings, shafts, couplings, belts, chains, and drive assemblies.
• Diagnose mechanical failures involving misalignment, excessive vibration, abnormal wear, and improper equipment operation.
• Perform precision alignment, adjustment, installation, and replacement of mechanical components.
• Troubleshoot and maintain servo-driven equipment, including servo motors, drives, positioning systems, encoders, and mechanical motion assemblies.
• Identify mechanical and electrical causes of positioning errors, synchronization problems, and repeated equipment failures.
• Perform equipment adjustments, component replacements, and mechanical repairs to restore proper operation.

Pneumatic Systems

• Diagnose, repair, and maintain pneumatic controls and compressed-air-operated equipment.
• Troubleshoot pneumatic cylinders, directional control valves, solenoids, regulators, pressure switches, flow controls, and air preparation components.
• Interpret pneumatic schematics and identify control sequence failures.
• Diagnose air leaks, pressure losses, timing problems, and improper cylinder operation.
• Adjust pneumatic components to maintain proper machine sequencing, positioning, and operating performance.
• Troubleshoot integrated electrical and pneumatic control systems.

Production Equipment Maintenance

• Perform preventive, predictive, and corrective maintenance on automated and semi-automated production equipment.
• Troubleshoot cutting, routing, welding, conveying, assembly, and fabrication equipment used in window and door manufacturing.
• Diagnose automated equipment failures involving electrical, pneumatic, mechanical, and servo-driven components.
• Perform machine setup adjustments, alignment checks, and functional testing following repairs.
• Work with Production and Quality personnel to identify equipment-related defects and restore machinery to acceptable operating conditions.
• Support equipment installations, modifications, upgrades, and manufacturing process improvements.

Equipment Reliability and Continuous Improvement

• Independently investigate complex or recurring equipment failures and determine their root causes.
• Develop and implement corrective actions to reduce unplanned downtime and repeat failures.
• Complete assigned preventive maintenance activities and identify emerging equipment concerns.
• Accurately document repairs, troubleshooting findings, parts used, and labor hours within the computerized maintenance management system (CMMS).
• Recommend improvements to equipment reliability, maintainability, and performance.
• Assist in identifying critical spare parts and replacement component requirements.
• Provide technical guidance and troubleshooting assistance to lower-level maintenance technicians.
• Coordinate with Production, Quality, Engineering, and other departments to resolve equipment-related problems.

Required Qualifications

• High school diploma or GED required.
• Technical training, industrial maintenance certification, electrical training, or equivalent practical experience preferred.
• Minimum of 5 years of industrial maintenance experience, or an equivalent combination of education and demonstrated technical proficiency.
• Demonstrated ability to independently troubleshoot industrial electrical systems through 480 VAC, including low-voltage electronic control signals down to 10 mV.
• Proficiency using digital multimeters, clamp meters, and other appropriate electrical diagnostic equipment.
• Strong working knowledge of PLC-controlled equipment and industrial electrical components.
• Experience troubleshooting VFDs, servo motors, servo drives, and automated positioning systems.
• Strong mechanical troubleshooting skills involving gearing, bearings, power transmission, and rotating machinery.
• Demonstrated proficiency troubleshooting and repairing pneumatic control systems.
• Ability to read and interpret electrical, mechanical, and pneumatic diagrams.
• Ability to independently diagnose complex equipment failures and implement effective repairs.
• Ability to communicate technical issues clearly and accurately document work performed.

Hydraulic system experience is not required for this position.

Safety Responsibilities

• Follow established Lockout/Tagout (LOTO) procedures before performing maintenance or repairs requiring hazardous-energy isolation.
• Follow electrical safe work practices, including appropriate shock and arc-flash protective measures.
• Perform energized electrical diagnostics only when qualified, authorized, and necessary under approved safety procedures.
• Maintain machine guarding, interlocks, emergency stops, and other engineered safety devices.
• Identify and report unsafe equipment conditions, near misses, and potential hazards.
• Exercise Stop Work Authority when conditions present an unacceptable safety risk.
• Maintain a clean, organized, and safe working environment.

Physical and Work Requirements

• Ability to stand, walk, bend, kneel, reach, and work around industrial manufacturing equipment for extended periods.
• Ability to safely lift and handle tools, components, and replacement parts consistent with company lifting requirements.
• Ability to work from approved ladders or elevated platforms when necessary.
• Ability to work in production environments with moving machinery, noise, and varying temperatures.
• Ability to respond to equipment failures and production interruptions as required by operational needs.
• Ability to distinguish equipment indicators, interpret instrument readings, and perform detailed mechanical and electrical inspections.

Level III Performance Expectations

A Maintenance Technician III is expected to demonstrate technical competence beyond routine maintenance and component replacement.

The individual must be capable of

• Independently diagnosing and resolving complex electrical, mechanical, pneumatic, and servo-control problems.
• Understanding how multiple machine systems interact and identifying the underlying cause of equipment failures.
• Completing technically advanced repairs with minimal supervision.
• Restoring equipment to safe, reliable operating condition while minimizing unnecessary production downtime.
• Providing technical assistance and sharing troubleshooting knowledge with other maintenance personnel.
• Identifying opportunities to improve equipment performance, reduce recurring failures, and support long-term manufacturing reliability.

Preferred Qualifications

• Previous maintenance experience within window, door, glass, or related building-product manufacturing.
• Familiarity with glass cutting tables, glass handling systems, insulating glass equipment, and related manufacturing machinery.
• Experience with vinyl window fabrication equipment, including cutting, welding, corner cleaning, routing, and automated assembly systems.
• Experience with industrial automation, PLC diagnostics, HMI interfaces, and machine sequencing.
• Experience with servo motion control, electronic positioning, and encoder feedback systems.
• Familiarity with computerized maintenance management systems and preventive maintenance programs.
• Experience supporting equipment reliability improvements and root-cause failure analysis.

Note to External Recruiters

Cornerstone Building Brands does not accept unsolicited resumes and will not pay fees for any candidate submissions that were not expressly authorized.