AGM-Volte

Role

TL - Circle Core Field Ops (VoLTE)

Job Level/ Designation

AGM

Function / Department

COG / Cluster Core Ops

Location

Gujarat

Job Purpose

Responsible for operations and maintenance of the IMS Core (VoLTE) elements deployed in the circle such as SBC, TAS, CFX, iNUM , MRFP , MGCF etc

Key Result Areas/Accountabilities

• Uptime -Ensure 99.999% uptime of all VOLTE NEs (SBC, TAS, CFX, iNUM) nodes and service.
• Alarms, Fault and Outage handling - Ensure restoration of outages / emergencies in shortest possible time, minimize impact of outage on service by identifying and taking actions like implementing work around, temp traffic diversions. Immediate action and resolution of all types of HW, SW faults and alarms; drive preventive maintenance tasks. Follow up and study RCA of the issue, take / suggest action plan to avoid repeat of fault / outage.
• RS&R management - Ensure repair of all HW including Cloud & Cloud IP infra within TAT, zero RNP cards.
• Redundancy - Ensure 100% redundancy and resiliency for all types of core nodes and its connectivity, review it periodically and suggest for required changes
• Backup- 100% compliance of Core node back up policy and ensuring availability of back up all the time for any emergency handling.
• Traffic routing - Implement optimal and efficient routing of all types of calls as per design.
• Customer complaint handling - Ensure immediate action of all types of customer complains related to VOLTE & VOLTE roaming, detailed investigation and proper resolution.
• Change implementation and testing - Ensure accurate implementation of all types of changes, judge impact of changes, pre / post service confirmation for each of the change including KPI tracking and impact analysis
• Upgrade - Drive SW version and patch upgrades of Core nodes, new feature testing
• Field support - Extending support to central teams for new roll out including software upgrade and technical testing. Field resource alignment for any on-site activities for VoLTE platform HW and new feature testing.
• KPI Analysis & improvement - Monitoring of all types of core KPIs like: SBC – RSR, SRVCC SR, % SRVCC, Packet loss, TAS – CSSR, RSR, CST, %TADS, SRVCC SR, ASR, CFX – RSR, all types of TAS Clear Codes, SIP Errors, Maintain all KPI above benchmarked values and work for its improvement
• Trace Analysis - Trace capturing, analysis for resolution of various types of issue
• Fault management – As a SME, lead the team in resolving all types of alarms / faults, problems, trace analysis, KPI improvement etc.
• Inventory Management: - Ensure latest update on inventory in terms of location, HW, SW, Capacity etc. & scrapping of non-live inventory
• Team management & Training - Mentor all team members, enhance their technical and behavioral skills, keep them positively engaged and motivated, challenge them to bring best out of each individual
• Project Handover: Take proper HO of all new nodes from project team, ensuring all physical installation as per guideline, availability of all HLD, LLD, solution documents etc., verify all functionalities and redundancies working fine as per design

Core Competencies, Knowledge, Experience

• In-depth understanding and hands on working experience on various core nodes like SBC, TAS, CSCF, iNUM, MRFP.
• Command level knowledge of all types of configuration of these network elements like Nokia / Mavenir – SBC, TAS, CSCF, iNUM, MRFP
• Clear understanding of all types of VOLTE call flows for VOLTE, CS Core, VoLTE Roaming, MNP, eSRVCC.
• Good understanding of basic PACO call flows.
• Understanding of TAS and CFX configuration , Databases
• Basic understanding on IP devices like routers & switches and IP protocols
• Trace analysis and troubleshooting skills including knowledge of various protocols like SCCP, MAP, BICC, SIP, and Diameter.
• Knowledge of 5G Core – NSA and SA mode of working, Telco cloud architecture.
• Good team handling, communication – written and verbal, presentation skills.
• Analytical, Reasoning and logical thinking skills
• Positive Attitude towards problem solving, learning new things, adopt changes

Must have technical / professional qualifications

BE (E&C, E&TC, Computers)

CCNA , Cloud certification is a Plus

Years of Experience

10 + years of experience.