Senior System Engineer, Voice & Data Service Operation
Bangladesh
Core Responsibilities:1. Provide 2nd Level O&M Support 24 X 7 to minimize service downtime, identification, isolation, fault-correction of Core nodes (MSC, MGW, HSS, STP and DRA) within SLA.2. Fault analysis & preventive measures on basis of logs, alarms and traces. Also perform proactive analysis on basis of event logs, Trace & Data analysis from SQMS to identify configuration discrepancy or system faults and preventive measure to avoid any future incidents3. Lead projects as Technical SPOCs for smooth delivery of different projects by managing stakeholders, reviewing MoP, HLD, LLD documents, participating in solution design, proving & arranging support during troubleshooting etc.5. Perform extensive analysis against customer complaints to identify the root cause & prevent repetition of similar occurrence.6. Manage different vendors/stakeholders to ensure proper root cause and troubleshooting/fixation done within SLA period.Roaming Responsibilities:1. Provide expert level roaming related support to Roaming Partners & internal stakeholders (Commercial, Deployment, Planning, SOC etc.).2. Take proactive actions for Roaming service improvement & reduction of unwanted MSU3. Responsible for steering traffic & Performance management.Core Virtualization Responsibilities:1. Perform Troubleshooting and maintenance for Core VNFs2. Participate in LLD & HLD preparation and Perform User Acceptance Test (UAT) of Core VNFs3. Ensuring the backup, restoration, evacuation, migration of VM without any hampering