Sr Maintenance Technician

Greif • Lockport, IL

12d • $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. Job Requisition #: 033298

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