Redwan Kabir

Experience

• 

  Robi Axiata Limited

  Aug 2017 - Jun 2023

  Specialist, Radio Network

   Ensure key radio nodes for 2G, 3G (RNC, BSC) and 4G service availability Execute tasks related to disaster, event and incident Managemeent of Radio Network Carry out changes related to smooth software upgrade, update, patch loading or other activities Work as a point of contact to support related to Radio Network in business projects as well as internal development activities Follow up of CSRs with business partners and suppliers as per SLA to solve issues in Radio Network Maintain internal SLA related to fault, quality and customer complaints and follow up & update processes related to operation and cross functional activities Collaborate regularly as a point of contact with first level support and peer system support specialist to resolve network related issues Analyse inforrmation to improve and sustain radio network quality and integrity in terms of KPI & alarms Ensure on-site support for business critical and emergency activities Preserve and update documentation, scripts, automation tools and database related to operational processes and procedures Support checking and enforcing network and system security policies and guidelines released by Robi ESG Unit Show less

• 

  Banglalink

  Jul 2023 - now

  Network Planning & Design:1. Design, implement, and optimize PS Core Network solutions using ZTE products.2. Define network topology, configurations, and expansions for EPC (Evolved Packet Core), IMS, and VoLTE.3. Conduct capacity planning and forecasting to support increasing data traffic.Deployment & Integration:1. Lead installation, configuration, and integration of ZTE MME, SGW, PGW, GGSN, SGSN, and PCRF in the operator’s network.2. Perform interoperability testing (IOT) with RAN (Radio Access Network), Transport, and IT systems.3. Execute network upgrades, expansions, and software patches.Network Optimization & Performance Monitoring:1.Conduct regular performance analysis and KPI monitoring of PS Core network nodes.2,Troubleshoot and resolve issues related to latency, throughput, packet loss, and session failures.3.Optimize network elements for better efficiency and customer experience.Troubleshooting & Support:1. Lead operational support for resolving critical PS Core network issues.2. Collaborate with cross-functional teams (RAN, Transmission, IT, and Customer Support) for problem resolution.3. Work with vendor's R&D and TAC (Technical Assistance Center) for complex issue resolution.Security & Compliance:1. Ensure PS Core network security, including firewall configurations, IPsec, and authentication mechanisms.2. Implement compliance with 3GPP, ITU-T, and regulatory standards.3. Conduct disaster recovery planning (DRP) and failover testing.Project Management & Team Leadership:1. Manage network rollout and migration projects in coordination with vendors.2. Mentor and train junior engineers on PS Core technologies and best practices.3. Ensure adherence to SLAs, project timelines, and network performance targets. Show less • Heading SOC Radio Network and IT team• Continuous improvement process, Procedures, Partnership/vendor management, ownership & driving changes. • Enhance Digital monitoring.• Improve collaboration with Internal and External Stakeholders.• Maintain key business service availability and Speed Leadership & Network QualityRadio Network Second Level Troubleshooting and Governance• Lead the L-1 team and align with daily problem fixation part• Cell/site down without hardware alarm troubleshooting• Zero traffic reason check & troubleshooting• Clock alarm troubleshooting• RF unit and Baseband board type change• NSA and bulk parameter change WO execution at night• Validate service status after BSC/RNC /BTS Software upgrade by vendor• Daily network active alarm report circulation and pro actively fixation of impacting alarms Projects • Huawei L900 upgradation • Huawei RAN capacity upgradation• Huawei RAN Software Upgrade Show less

  • Lead Engineer, PS Core Network Management

    Nov 2024 - now

  • Lead Engineer, Core Network Management

    Jul 2023 - Nov 2024