Sr Electro – Mechanical Technician

Greif; Fontana (CA); On-site; USD 40,000 - 69,000; Full time

Job summary

Greif, a global leader in packaging, is seeking a Sr Electro-Mechanical Technician at our Fontana, California site. This role works independently to diagnose, repair, calibrate, and optimize electrical/electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems across the site.

You will perform preventive and predictive maintenance, conduct root-cause analyses, update CMMS histories, read electrical schematics and P&IDs, and mentor colleagues while coordinating with

Qualifications

• Typically possesses a High School diploma or equivalent and 4+ years of experience.
• Advanced troubleshooting across electrical, electronic, mechanical, hydraulic, and pneumatic systems.
• Ability to read schematics, wiring diagrams, and P&IDs; familiarity with PLC/HMI diagnostics.

Responsibilities

• Diagnose, repair, calibrate, and optimize electrical/electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems.
• Troubleshoot and rebuild equipment to restore safe and reliable operation.
• Perform instrumentation and controls work including installation, calibration, and loop checks.
• Diagnose PLC/HMI/drive issues and coordinate with controls specialists as needed.
• Execute preventive/predictive maintenance and translate findings into work orders to reduce downtime.

Skills

Electrical systems

Electronic systems

Mechanical systems

Hydraulic systems

Pneumatic systems

Instrumentation control

PLC/HMI/drive diagnostics

CMMS knowledge

Safety compliance

Mentoring

Education

High School diploma or equivalent

Tools

CMMS

Job description

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

To Be the Advantage That Helps Our Customers Win.

Our Purpose

Creating packaging solutions for life's essentials.

Job Requisition #:

035184 Sr Electro - Mechanical Technician (Open)

Job Description

ROLE OVERVIEW

Senior colleague who works independently under minimal supervision to diagnose, repair, calibrate, and optimize electrical/electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems across the site.

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.

Knowledge & Skills

• Advanced troubleshooting skills across electrical, electronic, mechanical, hydraulic, pneumatic, and instrumentation/control systems.
• Proficiency in instrumentation calibration, loop checks, and documentation; familiarity with common industrial devices and communication protocols.
• Ability to interpret, apply, and update schematics, wiring diagrams, and P&IDs; working knowledge of PLC, HMI, and drive diagnostics at the device/I/O level.
• Experience using CMMS to schedule work, track histories, and analyze failure data; understanding of reliability metrics such as MTBF and MTTR.
• Competence in predictive and preventive maintenance methods (vibration, infrared, oil analysis, ultrasound) and converting findings into corrective actions.
• Strong commitment to safety and compliance with electrical and mechanical safety standards, company procedures, and regulatory codes.
• Effective communication and collaboration skills, with the ability to mentor peers and coordinate with vendors and contractors.
• Continuous improvement orientation with the ability to recommend design changes and improved work practices to enhance uptime and quality.

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 $29.38 - $50.00annually. Typically, a competitive wage for new hires will fall between35.00 to45.00. 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 competitive core benefits, paid time off, and a range of local benefits for eligible colleagues.

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 legally protected characteristic.

For more information read Greif's Equal Opportunity Policy.