
Sergio León Zambrana
@sergiolenzambrana
I support customer service, sales operations, logistics, and administrative processes with accurate data management.
What I'm looking for
I've supported customer service, sales, financial transactions, and administrative operations at Hospimed SRL, including account receivables reporting and employee documentation.
At Instituto Nacional de Estadística, I coordinated census-documentation logistics, managed databases and fixed-asset movements, and supervised cross-checking for accurate records.
At Masterline Logistics, I supported operations and onboarding, trained sales staff on shipment quotations, and coordinated freight requests in English with international agents.
My Business Administration background is complemented by advanced Microsoft Office and Excel skills, database management, and professional working English.
Experience
Work history, roles, and key accomplishments
Customer Service & Administrative Assistant
Hospimed SRL.
Jan 2024 - Dec 2026 (2 years 11 months)
Provided customer service and assisted with the sale of company products. Handled financial transactions, deposits, payments, and transfers while ensuring accuracy and security.
Warehouse Assistant
Instituto Nacional de Estadística INE
Jan 2024 - Dec 2024 (11 months)
Received and reviewed census documentation, created and managed databases, and controlled the movement of fixed assets. Supervised personnel responsible for cross-checking information.
Logistics Assistant
Instituto Nacional de Estadística INE
Jan 2024 - Dec 2024 (11 months)
Supported physical inventory reviews by monitoring boxes used during the census documentation process. Coordinated the distribution and collection of boxes containing controlled census documentation.
Human Resources Management & Development Intern
Banco Fortaleza S.A
Jan 2023 - Dec 2024 (1 year 11 months)
Supported the consolidation of employee performance evaluation data and assisted in preparing training indicators. Provided logistical support for office personnel activities.
Operations & Pricing Intern
Masterline Logistics
Jan 2023 - Dec 2023 (11 months)
Provided operational support, assistance, and onboarding for personnel. Trained sales staff on shipment quotations and related procedures, and communicated in English with international agents.
Technical Assistant
Civildron Ingeniería
Jan 2018 - Dec 2018 (11 months)
Supported the operation of technological equipment including drones, GPS devices, and total stations. Prepared daily reports, coordinated travel arrangements, and supported resource management.
Consulting Assistant
Progreso Consulting Group
Jan 2017 - Dec 2017 (11 months)
Collected and recorded fixed-asset information for DELAPAZ.
Education
Degrees, certifications, and relevant coursework
Escuela de Gestión Pública Plurinacional
Specialized Course, Government Administration and Control
2026 - 2026
Specialized Course in Law No. 1178: Government Administration and Control from Escuela de Gestión Pública Plurinacional, completed in 2026.
Universidad Mayor de San Andrés
Bachelor's Degree, Business Administration
2018 - 2024
Bachelor's Degree in Business Administration from Universidad Mayor de San Andrés, completed in 2024.
Federación Universitaria Local Tarija
Conference, Human Talent Management
2023 - 2023
Conference on Human Talent as a Driver of Innovation, Competitiveness and Business Sustainability, held in 2023.
Escuela de Gestión Pública Plurinacional
Specialized Course, Corporate Social Responsibility Management
2022 - 2022
Specialized Course in Corporate Social Responsibility Management from Escuela de Gestión Pública Plurinacional, completed in 2022.
Universidad Mayor de San Andrés
Academic Certificate, Administrative Assistance
2018 - 2020
Academic Certificate in Administrative Assistance from Universidad Mayor de San Andrés, completed in 2020.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Job categories
Skills
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