As a **Network and Security Engineer** at Mercado Libre, you will design and scale innovative and secure systems that solve real, high-impact problems. You will work in a dynamic environment with cutting-edge technology, applying engineering best practices, proprietary AI models, and continuous learning, with the purpose of democratizing e-commerce and financial services in Latin America. Imagine yourself leading challenging, dynamic, and innovative projects and **being responsible for**: * Designing and implementing scalable, high-performance, and secure network solutions to support our company's growth. * Automating repetitive tasks such as monitoring, *backups*, and updates to improve operational efficiency. * Optimizing our WLAN networks through data analysis and adjustments, ensuring an exceptional user experience. * Collaborating with security teams to integrate and manage Palo Alto and Fortinet firewalls within the perimeter architecture. * Conducting code reviews on automation scripts and maintaining clear and accurate documentation. * Driving the adoption of new technologies and strategies by identifying improvement areas and promoting continuous improvement. **What are we looking for in you?** * Experience with cutting-edge networks, including design, implementation, and optimization of high-performance WLANs, with proficiency in design tools such as Ekahau and Hamina. * Solid knowledge of perimeter security, including Palo Alto and Fortinet firewalls, multilayer systems, threat analysis, and Zero Trust architecture implementation. * Proficiency in scalable Advanced Switching architectures, including VLANs, STP/RSTP protocols, and StackWise/VSS technologies. * Knowledge of automation strategies using programming languages such as Python, Go, or others for scripting and APIs, configuration management and deployments using Ansible, and familiarity with Cisco DevNet for building CI/CD tools. * Familiarity with platforms such as Juniper Mist AI for WLAN optimization using ML, and Aruba ClearPass. **Are you ready to leave your mark on Latin America’s technology landscape?** Apply now and join our mission!*Hybrid work model. Site: Mexico City.*