Mine Maintenance Planner II
LEA DIAZ
Freeport McMoRan
Lakeside,AZ
18
years of professional experience
Results-driven professional with over 15 years of experience in supply chain procurement, transportation, contract negotiations, and planning. Demonstrates strong communication and multitasking skills while optimizing workflows to meet deadlines. Focused on team collaboration and resource allocation, delivering effective solutions in high-demand environments.
Work History
Mine Maintenance Planner II
5 Years 3 Months- Over my five years as a planner, I managed the following tasks:
- Planned and scheduled maintenance tasks to align with operational needs.
- Created scheduled maintenance plans to ensure timely completion of mechanical maintenance tasks.
- Managed operation of P&H and Komatsu shovels, Epiroc drills, and SX/EW electrical systems to ensure efficient functionality.
- Establish and monitor planned schedules.
- Create service orders for each equipment maintenance task to clearly communicate all job requirements to technicians.
- Processed requisitions and reservations for parts and materials to secure timely delivery before task initiation.
- Oversaw work centers that included recurring maintenance tasks assigned to each piece of equipment.
- Create and/or maintain Bill of Materials (BOM).
- Coordinate with cross-functional teams to identify and resolve operational issues proactively.
- Collaborate with Managers, Supervisors, Maintenance Techs, Supply Chain, Vendors and Stakeholders.
- Generated and reviewed daily data reports to inform decision-making.
- Ensure adequate forecasting of large dollar materials to meet financial requirements.
- Maintained high-voltage power lines and serviced Ford F550 and smaller vehicles to ensure operational reliability.
Global Supply Chain Buyer
9 Years 4 Months- Over my nine years as a buyer, I managed procurement for all commodities supporting the Mine site, SX/EW, CLP, Townsite and some Mill site items including:
- Request and evaluate quotes from multiple suppliers.
- Negotiate pricing, lead times, potential discounts and payment terms.
- Create purchase orders to procure goods and materials.
- Verify the accuracy of each PO line-item details (price, tax code, cost centers, project numbers) to ensure funds are allocated to the correct accounting categories for costing.
- Review supplier Terms and Conditions to ensure compliance.
- Conducted root cause analysis (RCA) to identify and implement corrective actions.
- Build close relationships with suppliers to understand their business capabilities and risks to ensure that they can meet our needs while having a full understanding of our expectations.
- Collaborate with end-users, suppliers and warehouse personnel to coordinate transportation and deliveries.
- Collaborated with customers, suppliers, inventory control, accounts payable, accounting, warehouse, and transportation departments to resolve issues promptly.
- Review and submit new stock requests to ensure proper inventory levels and modify reorder points and quantities.
- Operated Caterpillar and P&H/Komatsu shovels and Epiroc drills for efficient material handling.
Site Freight Coordinator
3 Years- Coordinated the transportation of large commodities arriving and departing from site premises, including LTL, full truck load, vans, curtain side, open deck flatbed, drop deck, oversize, and heavy haul.
- Coordinated inbound and outbound freight schedules across Freeport-McMoRan mining operations.
- Managed site freight coordination alongside additional job responsibilities.
- Communicated with carriers and vendors to arrange shipments and pickup windows.
- Tracked freight status and updated shipment records in logistics systems.
Global Supply Chain Administrative Assistant
3 Years 9 Months- Managed purchasing of HDPE pipe, including vendor selection and price negotiation. which included soliciting quotes, vendor negotiations, terms & conditions, coordinating transportation and knowing the strapping & handling procedures for each size.
- Resolved issues preventing receipt of goods and payment of invoices, ensuring smooth operational continuity.
- Substituted for buyers during absences, supporting team operations and ensuring uninterrupted procurement processes.
- Cataloged stock requests and maintained reorder point and quantity levels, facilitating efficient inventory management before ORAS system implementation.
Education
Some College (No Degree)
Some College (No Degree) - Business Administration
Skills
Maintenance planning
Schedule management
Work order management
Work order prep
Bill of materials
Asset management
Inventory control
Materials planning
Procurement Purchasing
Strategic Sourcing
Vendor negotiation
Vendor relations
Freight coordination
Supply Chain Operations
Data analysis
Analytical thinking
Problem solving
Decision making
Compliance verification
Cross-functional collaboration
Technical training
Training and onboarding
SAP
Ellipse
Ariba
Power BI
Business Objects
ORAS
Basware
Microsoft Office
Workflow management
Problem-solving
Critical thinking
Leadership skills
Leadership skills
Technical training
Training and onboarding
Accomplishments
- While at Freeport McMoRan:
- No safety incidents.
- US Department of Justice Clearance to purchase explosive materials.
- Collaborated with Corporate and various other properties to assist in a large clean-up of backlog issues to implement the SAP system in 2011.
- Trained multiple new buyers and interns.
- Worked with the Corporate Maintenance Team and Empire-Caterpillar to create, implement and manage an improved process for core returns process which captured thousands of dollars each month.
- Test Piloted the implementation of the Collaborative Planning Process.
- Worked with the Corporate Global Supply Chain Integration Team to create a method to obtain our Flat Rate components through our onsite Empire-Cat store.
- Participated in the implementation of the Empire & Ariba automated system integration process.
- Participated in the testing and implementation of the Material Automated Request System (MARS) generator system.
- Created the Business Objects Core Returns report.
YEARLY REFRESHER COURSES
MSHA, Environmental, Principles of Business Conduct, Anti-Corruption, Compliance & Fraud, Cyber Security, Total Cost of Ownership
Timeline
Mine Maintenance Planner II
Freeport McMoRan
01.2020 - 04.2025Read More
Global Supply Chain Buyer
Freeport McMoRan
08.2010 - 12.2019Read More
Site Freight Coordinator
Freeport McMoRan
01.2008 - 01.2011Read More
Global Supply Chain Administrative Assistant
Freeport McMoRan
11.2006 - 08.2010Read More
Canyon Del Oro High School
Some College (No Degree)
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Ashford University
Some College (No Degree) from Business Administration
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