Manager- Voice and Data Core

Role-

Function / Department-

Location-

Job Purpose

To efficiently monitor, maintain, and investigate deviations till resolutions for network KPIs & services for IMS VoLTE, SDM, CS Core, & Signaling, so as to uphold a quake free network, and deliver operational excellence and ensuring best class network quality for VIL customers through deployment of best operational practices and guidelines.

To Co-ordinate with SNOC, MS-Partners, OEM’s, Circle & various inter-functional teams, with the objective to ensure timely & systematic execution of tasks & resolution of escalated issues.

*Network elements involved (As per current deployment)

IMC, TAS, SBC, MSC/GMSC, MSS/GCS, MGW/GMGW, STP/DSR, DRA, MNP DB, HLR, HSS, NDS, EIR.

Key Result Areas/Accountabilities

• Enabling and monitoring performance reports and real time alerts to proactive monitor the Performance KPIs
• Enabling Performance reports of Cloud KPIs Core domains as per targets
• Ensuring regulatory/DoT directives/compliance is met w.r.t customer experience
• Core Performance Management to achieve operational efficiency
• Maintain and improve Core KPIs w.r.t set benchmark for each NE
• Tracking clear code trend and troubleshooting the same to minimize the service impact
• Creating real time alerts on KPI deviation to quickly detect performance issues
• Identify RCA for KPI dip and implementing corrective actions throughout circles
• Detection of performance KPIs deviations and tracking till resolution
• Analysis w.r.t trace/logs for troubleshooting KPI deviations & customer complaints such as MO, MT, SMS, roaming etc. and taking corrective actions
• Audit of Network configuration parameters w.r.t Network elements to maintain standard configuration throughout the Network
• Management of various IMS VoLTE, SDM, CS Core, and Signaling NEs for Pan India VIL network by following-up/coordinating technical activities such as SW upgrades, Technical audits, Network resilience and configuration standardization in the network
• Capacity Utilization Management
• Monitor and maintain Core Node Utilization below threshold to negate service impact
• Proactive triggering to Project & Planning team to mitigate the increasing traffic in core Nodes based on utilization.
• Maintain congestion free network by regular tracking & initiating required actions to ensure capacity utilization within threshold.
• Cross-Functional Co-ordination
• Co-ordinate, sync and provide technical guidance for issue resolution to SNOC & circle teams
• Co-ordinate for best practice and implementations across all circles. Ensure past learning implementation during new node integration

Core Competencies, Knowledge, Experience

• Expertise in 4G IMS Core, SDM, CS Core in one or more OEM’s - Nokia, Ericsson, Mavenir, Huawei, ZTE
• Expertise in IMS VoLTE domain with profound understanding of IMS/VoLTE/EPC call flows
• Brilliant analytical skills while troubleshooting performance issues on protocols like SIP, ISUP, SIGTRAN etc along with knowledge of Switching equipments
• Good understanding of Subscriber Data managements nodes – HSS/HLR/NDS is required
• Knowledge of STP/DRA signalling call flows in 2G/3G/4G/VoLTE domains
• Excellent communication & inter-personal skills, strong customer focus & seamless approach. Timely decision making and risk assessment skills.
• Quick learning skills and willing to adapt new things

Must have technical / professional qualifications

BE/B.Tech (E&C). Cloud Certification (will be a plus), 6+ years of experience and at least 3 years’ experience in VoLTE & CS Core Performance/Operations related activities