Controls Technician

GreifFontana, CA

About The Position

Greif is a global leader in performance packaging located in 40 countries. The company delivers trusted, innovative, and tailored solutions that support some of the world's most in demand and fastest-growing industries. With a commitment to legendary customer service, operational excellence, and global sustainability, Greif packages life's essentials - and creates lasting value for its colleagues, customers, and other stakeholders. Learn more about the company's Customized Polymer , Sustainable Fiber , Durable Metal , and Integrated Solutions at www.greif.com and follow Greif on Instagram and LinkedIn. OUR VISION: Being the customer service company in the world. OUR PURPOSE: Creating packaging solutions for life’s essentials.

Requirements

  • Typically possesses High School diploma (or equivalent) and 4 or more years of experience.
  • Troubleshoots, repairs, and rebuilds electrical/electronic, mechanical, hydraulic, and pneumatic equipment to restore safe and reliable operation.
  • Performs instrumentation and controls work, including installation, calibration, configuration, and loop checks of sensors, transmitters, analyzers, valves, and related devices.
  • Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs, ladder logic, and diagnostic tools; implements corrective actions or partners with controls specialists as needed.
  • Executes preventive and predictive maintenance (e.g., vibration, infrared, oil analysis, ultrasound) and translates findings into work orders that reduce unplanned downtime.
  • Conducts root cause analyses of recurring failures; recommends and implements reliability improvements (design changes, condition monitoring routes, spare-part strategies).
  • Plans and prioritizes work orders, determines repair approach (repair/replace/upgrade), and coordinates with operations to schedule equipment access and safe startup.
  • Completes calibrations and documentation to required standards; maintains as-found/as-left records and updates CMMS histories and asset hierarchies.
  • Identifies and requests critical spares; provides technical input to MRO inventory, vendor selection, and service contract needs.
  • Reads and updates technical drawings (electrical schematics, P&IDs, single-line diagrams) and suggests design improvements for maintainability and reliability.
  • Partners with production, engineering, quality, and EHS to ensure safe work practices (e.g., lockout/tagout) and compliance with company procedures and applicable standards.
  • Mentors colleagues and shares troubleshooting/reliability best practices; may lead small maintenance tasks or contractor activities on shift.
  • Performs other duties as assigned
  • Bilingual -Spanish / English

Nice To Haves

  • Certifications and training are an advantage.

Responsibilities

  • Troubleshoots, repairs, and rebuilds electrical/electronic, mechanical, hydraulic, and pneumatic equipment to restore safe and reliable operation.
  • Performs instrumentation and controls work, including installation, calibration, configuration, and loop checks of sensors, transmitters, analyzers, valves, and related devices.
  • Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs, ladder logic, and diagnostic tools; implements corrective actions or partners with controls specialists as needed.
  • Executes preventive and predictive maintenance (e.g., vibration, infrared, oil analysis, ultrasound) and translates findings into work orders that reduce unplanned downtime.
  • Conducts root cause analyses of recurring failures; recommends and implements reliability improvements (design changes, condition monitoring routes, spare-part strategies).
  • Plans and prioritizes work orders, determines repair approach (repair/replace/upgrade), and coordinates with operations to schedule equipment access and safe startup.
  • Completes calibrations and documentation to required standards; maintains as-found/as-left records and updates CMMS histories and asset hierarchies.
  • Identifies and requests critical spares; provides technical input to MRO inventory, vendor selection, and service contract needs.
  • Reads and updates technical drawings (electrical schematics, P&IDs, single-line diagrams) and suggests design improvements for maintainability and reliability.
  • Partners with production, engineering, quality, and EHS to ensure safe work practices (e.g., lockout/tagout) and compliance with company procedures and applicable standards.
  • Mentors colleagues and shares troubleshooting/reliability best practices; may lead small maintenance tasks or contractor activities on shift.
  • Performs other duties as assigned

Benefits

  • medical
  • dental
  • paid time off
  • other competitive benefits
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