Andrés - Senior Network Engineer (L3 Support, Cisco, IT & Industrial Environments)

Experiencia demostrada en Network Troubleshooting.

Experiencia demostrada en LAN/WAN Environment.

Experiencia demostrada en Routing Protocols (OSPF, EIGRP, BGP).

Experiencia demostrada en Virtualization & Cloud (AWS, Azure, basic VM management).

Experiencia demostrada en Linux (Ubuntu/Debian basics, CLI, networking).

Designed, configured, and supported enterprise and industrial network infrastructures, including Cisco-based routing, switching, firewalls, and WAN connectivity.. Supported SD-WAN and industrial control systems, ensuring high availability and reliable communication between control systems and field devices.. Troubleshot complex network issues, including latency-sensitive and mission-critical environments.. Maintained >98% SLA compliance while handling high-priority (P1/P2) incidents in 24/7 operational environments.. Implemented and improved network security controls, including segmentation between IT and OT environments to reduce cybersecurity risks.. Collaborated with cross-functional teams (operations, engineering, and application teams) to deliver system improvements and project-based deployments.. Participated in system upgrades, testing, and validation activities to ensure stability and performance in production environments.. Mentored junior engineers on network troubleshooting, operational best practices, and incident response.

Engineered and supported hybrid IT infrastructures integrating on-premises systems with AWS and Azure cloud environments.. Contributed to system integration and migration projects, ensuring minimal downtime and continuity of operations.. Applied network security best practices, including identity and access control and segmentation strategies across distributed environments.. Supported high-availability and performance-critical systems, improving reliability and operational stability.. Collaborated with cross-functional engineering teams to deliver end-to-end infrastructure solutions across multiple environments.

Designed, configured, and supported enterprise and industrial network infrastructures, including Cisco-based routing, switching, firewalls, wireless, and WAN connectivity.. Developed and used Python/JavaScript automation and APIs to streamline operational and troubleshooting workflows.. Supported Cisco Meraki environments including connectivity troubleshooting, device health validation and dashboard analysis.. Performed fault isolation, troubleshooting and service restoration for routing, switching, WAN and SD-WAN environments.. Managed incidents, service requests, and escalations while meeting SLA requirements.. Monitoring critical systems, alerts and performance dashboard to proactively prevent service interruptions.. Participated in solution validation, testing, and deployment activities for network upgrades and infrastructure projects.. Led technical discussions with operations, engineering, and customer teams to troubleshoot and resolve complex networking issues.. Performed root cause analysis and produced technical documentation for network improvements and service optimization.. Participated in system upgrades, testing, and validation activities to ensure stability and performance in production environments.. Mentored junior engineers on network troubleshooting, operational best practices, and incident response.

Engineered and supported hybrid IT infrastructures integrating on-premises systems with AWS and Azure cloud environments.. Administred Microsoft 365, including user creation, license assignment and sharepoint administration.. Assisted users and technical teams with VPN connectivity, authentication, and access-related issues.. Contributed to system integration and migration projects, ensuring minimal downtime and continuity of operations.