Lead customer-facing consulting and pre-sales for service-provider and enterprise accounts, translating business requirements into end-to-end connectivity and IoT architectures.

Architect the carrier’s eSIM IoT strategy on GSMA SGP.32 — authored the eIM/eSIM management portal spec and integrated vendor eIM platforms (IDEMIA).

Architected IoT/M2M solutions generating $2M+ ARR across 400+ enterprise customers; designed MVNO enablement and migration over the mobile core.

Managed a nationwide IoT connectivity portfolio serving 3M+ devices over the mobile network at 99.9% availability, for MVNOs and enterprise customers.

Designed high-throughput, event-driven IoT architectures processing 20M+ events per day (Apache Kafka, microservices, REST APIs).

Deployed and operated Mobile Packet Core (GGSN/PGW, MME/SGSN, HLR/HSS, PCRF) for 1M+ subscribers on carrier-grade (Huawei) infrastructure; built Python/Linux automation.