Experience

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  Huawei technologies limited

  May 2011 - Jun 2014

  Core network maintenance engineer (ps core)

  1) Maintaining PS core network for various operators, dedicatedly assigned for ROBI Axiata Ltd and Grameenphone.2) Handling Customer SRs and giving solution of specific problems faced by customer.3) Doing Health Check and fault detection for several ps nodes.4) Troubleshooting real life problems of PS core network regarding CPCI and ATCA platform SGSN (USN), GGSN (UGW), Lan-switches, Firewall, DNS, and Charging Gateway (CG). 5) Upgrading and uploading patches and licenses for the PS core nodes as well as CS core products like CPCI & ATCA platform MSC and MGW. 6) Participated in operation from PS Core side in the OCS migration project of ROBI network.7) Configuration and troubleshooting in Gb over ip full migration in ROBI network. 8) New PS core network setup for 3G rollout 2013 in Chittagong of ROBI network.9) Doing rectification and necessary configuration needed in live system constantly as per customer new requirement and problem faced. 10) Maintaining track of Customers SRs for all departments as CORE, IP Network Operation, Transmission, OSS, RAN and INVAS, attending meetings, submitting and communicating with customer in general basis, giving monthly feedbacks and generating quarterly reports of the maintenance performance from management side. Show less

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  Banglalink

  Jun 2014 - Oct 2017

  Planning specialist engineer (ps core)

  1) Efficiently monitor the critical parts of PS Network and analyzing the KPI reports maintaining smooth service.2) Ensure 99% PS-Network consistency in issuing PS-Core Work-Orders and verify the change afterwards.3) Explore the advancement areas of existing PS-Core database and reports.4) Effective follow-up of each PS project and ensure on time delivery. 5) Ensuring 99% service consistency by performing different types of testing of any new feature.6) Develop the monthly master plan for core network activity.7) Ensure the participation in all sort of data-pack UAT, in order to ensure 100% 'Policy & Charging' consistency. 8) To maintain and keeping track of PS Core PAC/FAC and PAT/UAT docs.9) Troubleshooting user package related issues regarding services in Gx and Gy interfaces.10) Preparing plans for future expansion and roadmap by usage forecasting of different nodes. 11) Keeping track for the IIG utilization trend and planning for bandwidth allocation and link capacity depending upon user behavior and consumption maintaining satisfactory level of user experience.12) Planning and configuring corporate services, routing and analyzing dependencies for IIG and third party ISPs. 13) Tracking and keeping records for root causes for any IIG bandwidth degradation and failure.14) Projects: USN/UGW sub-rack expansion, GboIP migration, SCG video optimization test run, New PS site deployment, End to End project for optimization and security enhancement, etc.15) Planning necessary requirements and ensuring service consistency for Data-Center equipment (Cisco N5K/N7K, Fabric Switches, Cisco 7K/ 2K routers, Cisco ASA Firewalls, etc.) 16) Feasibility study of technologies like LTE, EPC, vEPC, IPDR solution, Wifi network with offloading etc. Show less

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  Robi axiata limited

  Nov 2017 - Jul 2023

  1) Lead to optimize core network to build up effective network settings.2) Parameters tuning, network KPIs and capacity audits under 2G/3G/4G technologies.3) Manage routine capacity and performance data analysis, degradation diagnosis and resources usage balancing and optimization (i.e. licenses/interfaces/processing etc.).4) Exploring new Optimization Features in Core network like VO(Video Optimization), TCP optimization etc.5) Defining subscriber-centric (E2E) network QoS improvement requirements and de-rives action plan for subsequent deployment.6) Planning and Designing LEA requirements and connectivity with existing networks.7) Building Strategy and drive the plan for implementing architecture for LEA with ROBI network.8) Preparing guideline and compliance for specific PII (Personal Identification Information) information-based system and aligning that with internal Regulatory Team with Company Governance Policy.9) Understanding LEA requirement and translate proper scenario to management for formulating right strategy for company.10) Projects: PS/CS Core (2G,3G,4G,5G, IoT, VoLTE) LI, Bulk-Geo-Location, Wi-Fi, IPDR (IP Detail Record), Content Blocking & Filtering (CBF), Cyber Threat and Detection Response (CTDR) System upgrade etc.11) Preparing and evaluation of RFI/RFQ/RFP for vEPC NFVI, Smartcare (Huawei), eSIM. Business Case, ordering process and vendor management.12) Collective Brain (CB) representative of ROBI Core domain in Axiata Group. Engaged in group level technical analysis, BoQ optimization, aligning design guidelines reflecting synergy with best practices with other country OpCos. Show less 1) Lead to deploy new improvement features across core network and assess impact2) Lead festival plans for PS and CS domains.3) Parameters tuning, network KPIs and capacity audits under 2G/3G/4G technologies.4) Organize CS/PS network basic configuration, software parameters & timers audit.5) Research, report, and recommend new products, programs, or initiatives in Core.6) Support core optimization related requests from different teams for regular projects and future technical disruptions like IMS, Cloud, NFV, SDN, IoT etc.7) Supervise quality test and checks for all new network installations and expansion.8) Ensure after any network activity the KPIs comply with Robi/Axiata standard.9) Analyze all the upcoming solutions in CS/PS while RFQ/initial phase to scrutinize and suggest optimized solution for network before implementation.10) Exploration of automated/intelligent network insights/KPIs & correlative suggestions.11) Consulting with every CS/PS project for efficient setup and suggesting re-designing in cases where it adds business values.12) Projects: DNA (Data Network Analytics) introduction, vEPC Expansion, Cloud solution Deployment, Anti DDOS Solution, IPv6 solution exploration13) Preparing BP for upcoming timeline and translate those into financial values. Show less

  • Manager, Core Optimization & Performance Planning (PS & CS Core)

    Jun 2018 - Jul 2023

  • Manager, PS Core Network Planning

    Nov 2017 - May 2018
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  Zte corporation

  Jul 2023 - now

  Core network solution manager

  1. Responsible for developing Core Network, Cloud Platform and IT solutions for Telecom Sector, Enterprise Businesses and Banks.2. Analyzing work scopes for new integration of 3rd party solutions for existing customers and developing solutions.3. Regular PS Core and CS Core product expansion solutions and proposals.4. Market Information and statistics collection and preparing insightful reports on business opportunities.5. BoQ/BoM development and alignment with R&D 6. Commercial and trial solution development and implementation like Volte, VoWIFI, National Roaming, 5G network etc.7. IT platform and SW HW solution designing and server POC. 8. Product life cycle alignment with stakeholders. 9. Cloud Platform solution, licensing and designing for potential customers like Mobile Operators, Enterprise businesses, Software providers, Banks10. Giving solutions pitch and maintaining customer relationships for existing and future opportunities.11. Intel Chip based ZTE server proposition and market share capturing strategies.12. Tender handling regarding vEPC modernization, CS Core modernization, SMSC, USSD, MCA, Server Hardware requirement against VM/Container requirements for hypervisors like VMware/Proxmox/ZTE TECS Openstack + Openpallete/Redhat Openshift, Solutions for MFS services cloud platform and server. Show less