Sr Maintenance Technician

Greif • Lockport, IL

4d • $29 - $50

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.
• 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.

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

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED