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Updated 2026-06-15 14:00 UTC·© 2025–2026 RoleSuite
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Controls Technician

Greif · Fontana-CA

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. 

Job Requisition #:

034546 Controls Technician (Open Date: 06/15/2026)

Job Description:

Key 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


Education and Experience

  • Typically possesses High School diploma (or equivalent) and 4 or more years of experience.
  • Certifications and training are an advantage.

Knowledge & Skills

  • 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

At Greif, we believe that our colleagues are the center of our success. Our Total Rewards have a comprehensive focus on well-being and offer a competitive package that enables you to thrive, be engaged, and reach your full potential. 


Compensation Range:

The pay range for this position is . Typically, a competitive wage for new hires will fall between $0.00 to $0.00. Offers for this position may vary based on market data and other factors such as job-related knowledge, skills, experience, and geographic location. If the competitive wage is equal in both fields, the starting rate is the same for all applicants that apply for this role. The starting rate is not representative of future compensation increases. The position may also be eligible for a short-term incentive.

Benefits Statement:

Greif offers a comprehensive benefits package, including medical, dental, paid time off, and other competitive benefits which are available for eligible colleagues effective day one.

Protect Yourself From Scams: We value the integrity of our recruitment process and prioritize the well-being of our candidates. While you may find Greif job postings on various platforms, all legitimate opportunities can be verified on our official Careers page at www.greif.com. All communication from Greif regarding job opportunities will also come from an @greif.com email address. If you have concerns about the legitimacy of a job posting, receive an unsolicited job offer or suspect fraudulent activity, please contact us for verification via this link Contact Us - Greif.

EEO Statement:

https://www.greif.com/wp-content/uploads/2023/04/HR-101-Equal-Employment-Opportunity-Policy-English.pdf

We offer a competitive salary, excellent benefits and opportunity for growth. Greif is an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of sex, race, religion, age, national origin, color, disability, veteran status or any other any other legally protected characteristic.

For more information read Greif’s Equal Opportunity Policy.

Operations pay context

Based on 4,258 disclosed Operations salaries on RoleSuite, the role pays a median of $110K/year, with most offers between $82K and $145K (10th–90th percentile: $66K–$184K).

See the full Operations salary breakdown →
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