Maintenance Leader

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 #:
033463 Maintenance Leader (Open)

Job Description:

The Maintenance Manager is responsible for leading maintenance activities for the San Juan plant and ensuring equipment, machines, and critical systems operate safely, efficiently, and reliably.

This role drives preventive, predictive, and corrective maintenance programs, supports Lean/OPEX initiatives, and helps build a high-performing maintenance team aligned with TPM and TPS principles.

The position works closely with plant leadership, operations, and external suppliers to improve equipment performance, reduce downtime, and support continuous improvement across the facility.

Key Responsibilities



* Develop, implement, and monitor preventive, predictive, and corrective maintenance programs.


* Establish and support autonomous maintenance programs.


* Lead maintenance activities that support Lean/OPEX goals and improve plant performance.


* Conduct technical analysis to ensure maintenance plans are appropriate for optimal machine performance.


* Manage supplier and service provider contracts with a focus on cost and quality optimization.


* Track execution of preventive maintenance plans and ensure follow-through by the maintenance team.


* Resolve technical issues directly or through external vendors as needed.


* Implement technical improvements related to safety, quality, operations, and production efficiency.


* Review maintenance KPIs monthly and lead related action plans.


* Lead and develop the maintenance team through feedback, evaluations, and performance management.


* Manage critical and non-critical spare parts to ensure equipment continuity and minimize downtime.


* Perform or supervise lockout/tagout activities for equipment interventions.


* Maintain accurate maintenance and management system records in line with procedures.


* Reduce mold and model changeover time on blow molding and injection equipment using SMED principles.


* Ensure a safe, clean, and organized work environment by following all safety and hygiene procedures.


* Support and follow up on corrective actions related to the maintenance area.


* Maintain critic...