IP / EPC Expert at First Point Group

Responsibilities
The IP / EPC expert is responsible for securing the operations activities and performs his / her responsibilities according to the following points:

• Daily EPC Network alarm monitoring & fault troubleshooting
• Daily core alarm & availability reports
• 24x7 on site back office support for fault troubleshooting and hardware alarm clearance.
• Daily, weekly & monthly performance reports
• End to End operational & maintenance support for IP & EPC nodes (MME, EPG, DNS, NTP, Router, switch & Firewall)
• Interfaces with networks operation monitoring team during core network related faults
• Responsible for raising CSRs and liaises with 2nd level support team during network fault incidents
• Responsible for acceptance testing of all IP, MPBN and EPC nodes integrated into the network
• Implements IP/ Core network related change requests
• Planning and change request implementations for connectivity between IMS, SBC, HSS, PCRF, DNS & EPC nodes.
• Fortimail and arbor email solution management
• Peer app cache equipment management.

Competence

• Expert knowledge of LTE/EPC network architecture including VOLTE
• Knowledge of 3GPP based architecture and call flows, 3GPP/IETF standards, UEs and tools used in the implementation and operation of SGSN and MME network elements.
• Expertise in developing and executing object lists for testing core elements using protocol analysers.
• In-depth knowledge and strong experience with EPG and MME node CLI.
• Knowledge of protocols (IP, TCP, UDP, SCTP, S1AP, Diameter, GTP, M3UA, SCCP, RANAP, GMM, SM) and high level understanding of OSPF, MPLS, VRRP, SSH, SNMP, and L2 VLAN).
• Specific experience testing network functions to include paging, intra and inter technology mobility, session management, and QOS.
• Hands on experience integrating network hardware platforms including SGSN and MME elements.
• Knowledge of DNS, IP addressing, NAT, load distribution.
• Extensive experience on Incident Management, problem management & change management
• Conducts immediate resolution of outage incidents through systematized troubleshooting and isolation activities.
• Customer relationship management
• Expertise in fortimail and Arbor equipment.
• Expertise in PeerApp caching solution