Controls Engineer / Maintenance Tech – Automation & PLC

Torrey Holistics; Bolingbrook (IL); On-site; USD 40,000 - 66,000; Full time

Job summary

Torrey Holistics is seeking a Controls Engineer/Maintenance Technician in Bolingbrook, IL for a 6–12 month contract. This hands-on role focuses on reliability and performance of automated manufacturing equipment.

You will troubleshoot Allen‑Bradley PLCs, read electrical schematics, modify HMIs, and support CNC and robotics systems on a floor-based, fast-paced line. The position requires 3–5+ years of industrial controls experience, strong problem-solving skills, and the ability to handle

Qualifications

• 3-5+ years industrial controls or electrical troubleshooting experience.
• Strong hands-on experience with Allen-Bradley PLCs, ladder logic troubleshooting, HMIs, servo systems, motion control, CNC machinery, and industrial electrical systems.
• Experience with Fanuc robots (troubleshooting required: programming preferred).
• Ability to read and interpret electrical schematics.
• Working knowledge of automation and machining environments.
• Strong troubleshooting and problem-solving ability.

Responsibilities

• Controls & Automation Support
• Troubleshoot and repair Allen-Bradley PLC systems
• Interpret electrical schematics and ladder logic for rapid diagnostics
• Support and modify HMI programs as needed
• Troubleshoot servo systems, motion control, and CNC controls
• Support Fanuc robot troubleshooting and basic programming adjustments
• Assist with Safety PLC validation and machine safety systems
• Troubleshoot and support vision systems
• Breakdown Response & Uptime Support: Respond to equipment downtime events with urgency
• Diagnose root causes of electrical and controls failures
• Support production during high-impact downtime situations
• Collaborate with maintenance technicians to restore equipment quickly and safely
• Preventative & Predictive Maintenance: Execute preventative maintenance tasks on electrical and automation systems
• Support PM optimization efforts
• Document findings and corrective actions in CMMS
• Identify emerging failure trends and recommend corrective actions
• Safety & Compliance: Follow OSHA, NFPA, arc flash, and LOTO procedures
• Ensure safe troubleshooting practices
• Assist in maintaining machine safety system integrity

Skills

Allen-Bradley PLCs

Ladder logic

HMIs

Servo systems

CNC machinery

Fanuc robots

Electrical schematics

Education

Mechatronics, Electrical Technology, or related degree

Tools

CMMS

Job description

Torrey Holistics is seeking a Controls Engineer/Maintenance Technician in Bolingbrook, IL for a 6–12 month contract. This hands-on role focuses on reliability and performance of automated manufacturing equipment.

You will troubleshoot Allen‑Bradley PLCs, read electrical schematics, modify HMIs, and support CNC and robotics systems on a floor-based, fast-paced line. The position requires 3–5+ years of industrial controls experience, strong problem-solving skills, and the ability to handle