Lead Core Network Engineer
CurrentHands-On Technical Lead for Aeris Global Network Operations team for 2G/3G/4G/5G NSA/5G SA technologies in the Aeris IoT optimized network. Perform complex design, configuration, implementation, maintenance, and hardware/software upgrade of routing, switching and security infrastructure.• GSM/LTE Core Network Architect for Network Operations Team performing complex network design, solution deployment and integration, network architecture and deployment plan reviews.• Subject matter expert in GGSN, PGW, PCRF, HLR/HSS, AAA core network elements and all associated interfaces. Familiar with 5G technologies and architecture.• Successfully integrated and deployed multiple private cloud based GSSN/PGW, HSS, PCRF, DEA nodes into the Aeris IoT optimized network in datacenters worldwide.• Work hand-in-hand with Tier-1 MNOs, associated Roaming partners and GRX/IPX providers around the world to resolve complex network issues. • Provide Tier-3/4 customer support for both circuit and packet core network issues that cannot be resolved through normal operations and maintenance procedures.• Deep understanding of 3GPP GSM, GPRS/UMTS/HSPA and LTE core network circuit and packet architecture, standards and call flows including call flow analysis at message and parameter level.• Microsoft (Affirmed Networks) MCC (GGSN/PGW) subject matter expert. Expert in Packet Core network, GGSN/PGW services, protocols and operations.• Skilled at performing vendor evaluations of Core Network EPC and 5G SA products and engaging in vendor management issues.• Experienced with HLR/HSS and SMS service, protocols and operation.• Experienced with networking protocols (IPv4, IPv6, TCP, SCTP, LAN, VLAN, MPLS, etc.)• Experienced with system and network configuration changes in a production environment.• Proficient with network diagnostic tools; Alarms, Events, Statistics KPIs, ping, traceroute, wireshark etc.• Experienced in system performance analysis & network optimization