Telecommunication Specialist

We are seeking a Telecommunication Specialist to join our team at Marsh. This role will be based in Mexico City. This is a hybrid role that has a requirement of working at least three days a week in the office. As a Telecommunication Specialist, you will design, delivery, and support the company’s telecom infrastructure and related software. The function ensures uninterrupted, high-quality voice, conferencing, messaging, and mobile services by monitoring performance, resolving incidents, and supporting end users and business operations. The Telecommunications Specialist is an established, independent individual contributor whose work directly impacts service availability, user experience, and team outcomes.

We will count on you to:

Provide day-to-day operational support for IP telephony (IPT), Unified Messaging, conferencing platforms, and associated telecom services, acting as the local point of contact for incidents and requests.
Troubleshoot and resolve telecom issues including circuits, call routing, PBX/IPT configurations, SIP trunks,



and user-level telephony problems; triage and manage tickets through to completion or escalation.
Perform proactive system health checks and ongoing monitoring of voice/mobile performance (e.g., call quality, latency, packet loss, usage trends), identifying faults and driving remediation to reduce outages and MTTR.
Execute standard BAU configuration, deployment, and change activities (IMAC, capacity expansion, performance management, refresh activities), following change management and operational controls.
Deliver operational support for IP telephony, unified messaging, conferencing, and related telecom platforms to ensure high availability and a consistent end-user experience.
Own incident and request handling for telecom services: triage tickets, troubleshoot end-to-end issues (circuits, SIP/PBX/IPT, call routing, endpoints), and escalate effectively when required.
Monitor service health and perf

📌 Specialist - Telecommunications (Ciudad de México)
🏢 Marsh
📍 Ciudad de México