
DataSecurity Senior Engineer - Leak Prevention
Mercado Libre1 day ago
Buenos Aires, ArgentinaMid Level / Senior
Responsibilities
- Analyze data flows and use cases to identify exposure risks and prioritize prevention controls.
- Investigate data-exposure incidents, determine root causes, and translate findings into technical improvements and preventive controls.
- Design the architecture of Leak Prevention solutions, including components, integrations, and security and scalability criteria.
- Build, test, and integrate data-protection controls across applications, endpoints, data platforms, cloud services, and AI/LLM workflows.
- Develop Python and SQL/BigQuery automations to detect exposures and support remediation.
- Evaluate technologies through proofs of concept, prioritize the backlog, and measure coverage, effectiveness, false positives, and remediation times.
Requirements
- Academic training in Information Technology, Computer Science, or a related field.
- 3–5 years of professional cybersecurity experience.
- Practical experience implementing DLP controls and security solutions from proof of concept through production.
- Knowledge of EDR and frameworks including NIST and ISO 27001.
- Experience applying prompt engineering and AI tools to support code development while considering data-exposure risks.
- Programming experience with Python, SQL querying in BigQuery, and solution integration through REST APIs.
Benefits
- Hybrid work arrangement.
- Argentina site.
About Mercado Libre
Mercado Libre builds an e-commerce marketplace and fintech infrastructure for consumers and merchants across Latin America. It monetizes through marketplace transaction fees, payment processing (Mercado Pago), logistics and fulfillment (Mercado Envíos), advertising, and credit products. Founded in 1999 and headquartered in Buenos Aires, it operates in 18 countries and is publicly traded on Nasdaq under the ticker MELI.