Summary
Overview
Work History
Education
Skills
Timeline
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Serina A. Sanchez

Mesa

Summary

Shift Supervisor recognized for driving productivity and ensuring efficient task execution. Expertise in team leadership, inventory management, and delivering exceptional customer service. Strong communication and problem-solving skills contribute to seamless operations and a positive workplace culture. Dedicated to promoting teamwork and achieving operational objectives with integrity, reliability, and safety.

Overview

19
19
years of professional experience

Work History

Shift Supervisor

Li-Cycle
Gilbert
02.2022 - 05.2025
  • Responsible for overseeing operations during their assigned shift within a battery recycling facility.
  • Ensure smooth and safe operations, including managing personnel, prioritizing tasks, and adhering to safety protocols.
  • Directing staff in handling lithium-ion batteries and associated products, performing minor maintenance, ensuring cleanliness, and inspecting materials.
  • Working with the Supply Chain and Operations Manager to determine priorities for tasks and logistics needs during the shift.
  • Ensuring that all personnel adhere to workplace safety policies, regulations, and compliance legislation.
  • Participating in environmental, health, and safety initiatives, including permit writing, incident investigations, and more.
  • Inspecting and verifying the condition and weight of incoming and outgoing materials.

Heavy Equipment Operator

Capstone Mining Corp
Miami
02.2014 - 02.2022
  • Proficient and safety-certified in operating heavy equipment, including D10 and D7 Track Dozers, 980K, 966M, and 950H Front End Loaders, 360 Excavator, 420F Backhoe Loader, and HM400 Articulated Haul Truck.
  • Operated and assisted with Crane 138H II; performed cluster repairs and inspections of pumps and equipment for potential hazards.
  • Followed safety regulations while operating equipment to achieve safe conduct.
  • Collaborated with the Maintenance and Pipefitting teams to complete high-priority maintenance work orders.
  • Conducted daily equipment inspections, and performed safety audits of active work areas.
  • Maintained the efficiency and safety of on-site roads and berms.
  • Trained and mentored new employees on equipment operation and site safety protocols.

Concentrator Lead Operator

Capstone Mining Copr
Miami
09.2012 - 02.2014
  • Served as a fill-in mill control technician, submitting detailed daily reports to management, accurately documenting start and downtime across the concentrator, lime, and filter plants, and outlying areas.
  • Created work notifications and supply orders using SAP software for efficient maintenance tracking and inventory management.
  • Oversaw plant start-ups and shutdowns, including ball mills, pumps, water, and reagent systems, ensuring safe and efficient transitions.
  • Conducted routine inspections of pumps and equipment for wear, damage, or leaks, to prevent unplanned downtime.
  • Monitored reagent usage, and maintained quality control of the output product to meet operational standards.
  • Collaborated with the Maintenance, Instrumentation, and Electrical teams to ensure optimal equipment performance.
  • Collected and analyzed samples every two hours from ball mills to assess grind, solids content, and mesh quality for the Flotation Department.

Preload Sorter

United Parcel Service, UPS
Mesa
08.2006 - 09.2012
  • Sorted packages efficiently in a high-volume, fast-paced environment to ensure timely processing and delivery.
  • Unloaded trailers quickly and safely, while maintaining organization and flow of materials.
  • Performed data error correction to ensure package information accuracy and proper routing.
  • Rewrapped and secured damaged packages to maintain product integrity and customer satisfaction.

Education

High School Diploma -

Superior Senior High School
Superior, AZ
05-2003

Some College (No Degree) -

Central Arizona College
Coolidge, AZ

Skills

  • Operations management
  • Staff supervision
  • Safety compliance
  • Equipment inspection
  • Logistics coordination
  • Environmental sustainability

Timeline

Shift Supervisor

Li-Cycle
02.2022 - 05.2025

Heavy Equipment Operator

Capstone Mining Corp
02.2014 - 02.2022

Concentrator Lead Operator

Capstone Mining Copr
09.2012 - 02.2014

Preload Sorter

United Parcel Service, UPS
08.2006 - 09.2012

High School Diploma -

Superior Senior High School

Some College (No Degree) -

Central Arizona College

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Serina A. Sanchez