Location: Hybrid - 3 days in office in Mexico City (Azcapotzalco) or Toluca

Duration: Full Time

Overview

We are seeking a highly skilled Network Infrastructure Subject Matter Expert (SME) to take ownership of enterprise network services and ensure their secure, reliable, and resilient operation. This role combines deep networking expertise with automation, operational excellence, and continuous improvement responsibilities.

The successful candidate will serve as the technical owner of assigned network services, driving service reliability, reducing technical debt, improving resilience, and enabling efficient, low-risk delivery. Working closely with Engineering, Architecture, Service Owners, Risk, and vendor partners, you will help modernize network platforms while ensuring operational stability and business continuity.

Main Responsibilities Act as the technical owner and SME for assigned network infrastructure services and platforms. Ensure services meet availability, performance, security, capacity, and resilience requirements. Lead incident investigations, root cause analysis, problem management, and corrective actions. Drive continuous improvement initiatives that enhance reliability, operational efficiency, and customer outcomes. Design and implement automation for infrastructure provisioning, configuration, testing, deployment, and operational support. Reduce technical debt and identify opportunities to simplify, standardize,



and modernize network environments. Support disaster recovery planning, resilience assessments, role-swap exercises, and service continuity initiatives. Develop and maintain monitoring, observability, operational documentation, and recovery procedures. Assess risks, identify single points of failure, and ensure remediation actions are completed. Collaborate with Architecture, Service Management, Security, Engineering teams, and external vendors to deliver sustainable solutions. Provide technical leadership, mentorship, and guidance across teams while promoting engineering best practices.

Key Requirements: Minimum of 6+ years of experience supporting enterprise network infrastructure in production environments. Strong hands-on experience with Cisco and/or Arista networking technologies. Deep understanding of BGP, OSPF, routing, and switching . Experience with SD-WAN, MPLS, and enterprise WAN connectivity . Knowledge of DNS, DHCP, and IPAM platforms such as Infoblox or similar. Experience with network automation, scripting, and infrastructure engineering practices . Strong background in incident management, root cause analysis, and service reliability . Experience supporting disaster recovery, resilience, and business-critical network services .

Work model : Hybrid - 3 days on-site at Client's offices in Azcapotzalco (CDMX) or in Toluca #J-18808-Ljbffr

📌 Senior network infrastructure engineer (Toluca de Lerdo)
🏢 EXL
📍 Toluca de Lerdo