Controls Engineer Maintenance Technician

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

Controls Engineer Maintenance Technician - Bolingbrook, Illinois6-12 Month Temp. Contract AssignmentDay Shift: flexible start time (6:00am-2:30pm/7:00am-3:30pm - most Saturdays required)Pay Rate: up to $48.00 per hour

Position Description of the Controls Engineer/Maintenance Technician:

The Controls Engineer/Maintenance Technician is a hands-on technical role responsible for supporting the reliability and performance of automated manufacturing equipment. This position reports directly to the Maintenance Manager and plays a critical role in electrical, PLC, robotics, CNC, and automation troubleshooting. This is a floor-based, hands-on position. The individual is expected to actively support breakdown recovery, perform advanced troubleshooting, and contribute to continuous improvement of automation systems. This role is structured as contract labor and may support specific reliabiltly initiatives, equipment upgrades, or peak production demands.

Core Responsibilities of the Controls Engineer/Maintenance Technician:

• 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

Required Qualifications of the Controls Engineer/Maintenance Technician:

• 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

Preferred Qualifications of the Controls Engineer/Maintenance Technician:

• Experience integrating or modifying PLC programs
• Safety PLC troubleshooting experience
• Experience with vision systems
• CNC programming exposure
• CMMS experience
• Mechatronics, Electrical Technology, or related degree/training (or equivalent experience)

Work Structure of the Controls Engineer/Maintenance Technician:

• Reports directly to Maintenance Manager
• Contract labor position
• Floor-based role in a manufacturing environment
• May require flexibility to support critical downtime or project needs

A successful candidate will be subject to a background check and must receive satisfactory results of the same, as a condition of joining the team.