Senior System Engineer, Core Network Planning, Design & Dimensioning
Telecom Norway Bangladesh Operation
May 2010 - September 2013
o IIG selection: Potential Tier-2 ISP/IIG (International Internet Gateway) selection through RFI & RFQ for connectivity with Grameenphone IGW (Internet Gateway) network resulting 63% OPEX reduction.
o IGW Migration: Design and migration of IGW network from legacy to future proof architecture & capacity upgrading from 2.5 Gbps to 8 Gbps.
o Ensuring architectural design and enhancement of Internet Gateway (IGW) of Grameenphone Ltd.
o HLD (High Level Design) & DLD (Detail Level Design) preparation for core nodes.
o Ensuring internet service to both internal (more than 4000 staffs) & external clients through performance monitoring & solving trouble tickets as per SLA.
o Continuous monitoring of data bandwidth growth subject to data capacity expansion based on traffic demand in proactive manner as a part of problem management.
o Continuous review of existing service process flow to make sure efficient response to the client.
o Inventory management of configuration items such as hardware, software and other accessories.
o Server virtualization, installation, configuration & maintenance. Active Directory objects creation & management, GPO creation & link it to the right OU. DHCP, DNS & NAT server configuration.
o Updating configuration register (after every change) as a part of configuration management.
o Participation in CAC (conditional acceptance test) & FAC (final acceptance test) during any release or change management.
o Bandwidth negotiation & addition with ISP for Internet Gateway capacity expansion by working closely with corporate affairs department.
o Participation in contract negotiation forum along with internal sourcing and vendors for deciding commercial price of hardware & software
o Prepare proposal & provide presentation in front of ICT regulatory board to justify the necessity of ordering equipments.
o Prepare project charter for approval from higher management & also to inform the status of a specific...
System Engineer, Core Network Planning, Design & Dimensioning
Telecom Norway Bangladesh Operation
January 2008 - May 2010
o Project Super shell (MSC servers in Pool): Designed & implemented MSC servers in Pool all over the network which ensured uniform traffic distribution & more redundancy.
o Test Bed Modernization Project: Test bed modernization considering technology road map to facilitate any kind of testing before deployment in live network.
o Network Swap Project: Ensured E2E design & implement accordingly to swap legacy core network successfully for adapting next generation technology.
o Vendor management in terms of commercial & technical issue.
o Analyze, diagnose the probable fault and provide solution to maintain availability.
o Manage difficult customer enquiries, customer escalations, and process issues promptly and efficiently and to the customer's satisfaction
o Provide consultancy and/or technical advice at relevant product implementation in operational forums or fault escalation forums
o BOQ preparation & send to sourcing team for equipment ordering towards vendor
o Ensuring High Level Design & Detail Level Design solution for core nodes.
o Performance monitoring through fetch data from M2000 & BO.
o New Core and Service Node Integration.
o Network Capacity & Architectural Enhancement
o Version up gradation of routers, switches & server.
o Design Firewall Rule Base for same site.
o Automation of different work process flow & deployment of BPR (Business Process Re-engineering).
o Migration & dismantling of different core nodes
Professional Skills Training
o CCNP (Cisco Certified Network Professional) self study by CBT nugget
o CCNA (Cisco Certified Network Associate), Cisco Valley
o MCSA (Microsoft Certified Solutions Associate) training & way of appearing certification.
o ITIL (IT infrastructure library) self study by CBT nugget
o Soft switch Core Network Evaluation and Optimization, Huawei Technologies China
o NE Series router Operation and Maintenance, Huawei Technologies
o Network signaling training by APIS (Sweden)
Qualifications & Certifications
Electrical & Electronic
o Islamic University of Technology (IUT)