Sebastián Aguilar Guido
Aguacaliente
Summary
Dynamic Supply Chain and Fulfillment Operations Specialist with extensive experience in large-scale e-commerce initiatives, particularly within Amazon FBA Mexico. Expertise in managing inbound logistics, inventory classification, appointment scheduling, and fulfillment center coordination, consistently driving process improvements and automation initiatives. Proven success in cross-functional collaboration and data-driven problem solving, resulting in significant reductions in SLA times, enhanced inventory recovery rates, and improved operational efficiency. Committed to fostering a customer-centric approach that delivers measurable results and elevates overall performance.
Overview
3
3
years of professional experience
2
2
Languages
Work History
FBA Operations Specialist
Amazon
Calle Blancos, SJ
10.2024 - Current
- Support end-to-end inbound fulfillment operations for Amazon FBA Mexico, coordinating with sellers, account managers, fulfillment centers, and supply chain partners.
- Manage shipment discrepancies, inventory classification, appointment scheduling, and inbound operational issues to ensure accurate and timely delivery to fulfillment centers.
- Analyze operational data and recurring ticket trends to identify root causes and implement long-term process improvements.
- Act as liaison between internal teams and external stakeholders to resolve complex fulfillment and inventory blockers impacting supply chain flow.
Customer Service Associate (Concession Abuse Prevention)
Amazon
Calle Blancos, SJ
10.2022 - 10.2024
- Managed high-volume operational tickets related to shipments, inventory discrepancies, and seller account issues while ensuring SLA compliance.
- Conducted data audits and defect analysis to identify systemic issues impacting fulfillment performance and customer experience.
- Mentored team members by tracking performance over four weeks, contributing to measurable improvements in individual and team metrics.
- Provided operational insights and defect visibility to leadership to support continuous improvement initiatives.
Education
High School Diploma -
Colegio De San Luis Gonzaga
Cartago01.2022
Conversational English Diploma -
Colegio De San Luis Gonzaga
Cartago01.2022
No Degree - Técnico Desarrollo De Software
Universidad CENFOTEC
San José, Costa Rica 05.2001 -
Skills
Supply Chain Operations
Inbound Logistics & Fulfillment
Inventory Management & Reconciliation
Process Improvement & Automation
SLA Management & Operational Excellence
Cross-Functional Collaboration
Data Analysis & Metrics Tracking
Ticket & Case Management
Stakeholder Communication
Continuous Improvement Mindset
SIM Ticketing
Dockmaster
Amazon Inventory Tools
Microsoft Excel
Quip
Canva
Timeline
FBA Operations Specialist
Amazon
10.2024 - Current
Customer Service Associate (Concession Abuse Prevention)
Amazon
10.2022 - 10.2024
No Degree - Técnico Desarrollo De Software
Universidad CENFOTEC
05.2001 -
High School Diploma -
Colegio De San Luis Gonzaga
Conversational English Diploma -
Colegio De San Luis Gonzaga
Key Projects And Achievements
- Reopen Shipments Innovation (FBA MX), Designed and implemented a new operational process allowing Out-of-Country (OOC) sellers to reopen shipments beyond the standard 90-day window., 2401, 670869, 360305, 7400000
- Appointment Exchange Enhancement Program, Partnered cross-functionally with product teams and fulfillment centers to implement nationwide appointment exchange flexibility., from 48 hours to 5 hours, fulfillment center throughput and seller experience
- Self-Service Automation Pilot (FBA), Launched a self-service automation pilot with 10 SAS sellers to streamline inbound issue resolution and reduce manual workload.
- RBS Operational Support, Supported the RBS team by managing 164 Not-on-PO tickets across 9 fulfillment centers in Mexico, ensuring inventory accuracy and operational continuity.