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Nicolle Espinoza

@nicolleespinoza

Supply chain and logistics professional at NEXA RESOURCES who improved zinc export tracking capacity by 30%.

At NEXA RESOURCES, I developed and integrated the Control de Vagones and NexaTrack Cajamarquilla apps in Power Apps, increasing measurement and operational control capacity for trucks and railcars by 30% during refined zinc exports. I also cut receiving picking time by 50% with an Excel macro integrated with SAP S/4 HANA transactions.

Previously, at SIEMENS HC, I supported regional purchasing across Peru, Ecuador, and Colombia, and helped add more than 10 alternatives to the corporate supplier matrix. I also contributed to a PowerApps sourcing decision tool and supported alternative sourcing processes that reduced replenishment lead time by 40%.

Experience

Work history, roles, and key accomplishments

Trainee Logística de Metales y Operaciones

Nexa Resources

Aug 2025 - Sep 2026 (1 year 1 month)

Led daily control, traceability, and logistics for refined zinc export, increasing operational measurement capacity by 30% through Power Apps development. Managed logistics operations and procurement in SAP S/4 HANA, reducing picking process time by 50% with advanced Excel macros.

SAP S 4HANA PowerApps Power BI Excel Logistics Supply Chain KPI Management Process Automation

Practicante de Compras Regional

Siemens Healthineers

Oct 2024 - Jul 2025 (9 months)

Analyzed contractual agreements, monitored renewals, and validated price adjustments. Supported bidding and negotiation processes for Peru, Colombia, and Ecuador, and developed strategic suppliers through due diligence.

Procurement Contract Management Supplier Management PowerApps Sourcing Negotiation

Practicante de Compras

Siemens Healthineers

Oct 2023 - Sep 2024 (11 months)

Supported implementation of alternative sourcing, structuring RFP/RFQ processes for civil works suppliers, reducing lead time by 40%. Executed procurement activities for Projects and Services departments, increasing efficiency in purchase requisitions by 80% using SAP.

SAP Procurement RFP RFQ Supplier Management Supply Chain Cost Reduction

Education

Degrees, certifications, and relevant coursework

McKinsey Academy

McKinsey Forward Program, Business

2026 - 2026

Completed the McKinsey Forward Program.

Pontificia Universidad Católica del Perú

Winter Camp, Artificial Intelligence

2026 - 2026

Grade: Primer Puesto

Winter Camp in Artificial Intelligence, achieving first place for a neural network-based model for segmentation and quantification of cracks in bridge pillars.

Universidad de Lima

Desarrollo de proyectos con agilidad, Project Management

2025 - 2025

Completed a course on developing projects with agility.

Universidad de Lima

Congreso: Planning & Execution, Supply Chain Management

2024 - 2024

Attended the congress 'Planning & Execution' focusing on planning and execution in distribution centers, including demand planning, warehouse management systems, and transportation management systems.