Education

September 2002- September 2003 MSC in Mobile Communication Systems at University of Surrey, UK

September 1997 - October 2001 BSC in Electrical and Electronic Engineering at Ahsanullah University of Science and Technology, Bangladesh

Experience

1 March, 2013 - 31 July, 2017 Lead Engineer at Grameenphone Ltd

Major Responsibilities:

• Perform technical leadership role and mentoring in Core Network planning team.
• Core network capacity management including capacity expansion based on commercial forecast and subscriber growth on network.
• Prepare high level end-to-end dimensioning guideline for Core Network in terms of short term and long term strategic target, commercial forecast, network topology, architecture, impact on CAPEX and OPEX.
• Planning, Designing, dimensioning, Optimization and buildup Core Network (Voice, Data, Signaling) considering 2G, 3G, 4G (LTE, VoLTE), NFV, Single SDB, FNR, MNP, EIR.
• Introduce innovative features and solutions for core network to enhance network efficiency & customer preference.
• Manage end to end cross functional projects in network and IT domains.
• Lead interaction among internal stakeholders and external stakeholders, such as Huawei, Ericsson, Nokia for ongoing
business requirements.

Achievements:
• 55% cost savings by Core Signaling layer migration from Huawei STP to Huawei SPS in December 2016.
• 2 Pair new STP node integration on Huawei platform in August 2016.
• 75% cost savings by 36 Mn subscriber migration from Huawei CPCI HLR to Huawei ATCA HLR by one month (May 2016-June 2016).
• Successful LTE trial in June 2016.
• HSS introduction in Q3, 2015
• Process development and implementation for reusing of MSISDN in Q3, 2014
• Successful 3G launch in Q4, 2013.
• MSC in Pool implementation in Q2, 2013.

16 May, 2010 - 28 February, 2013 Senior System Engineer at Grameenphone Ltd

Major Responsibilities:

• Ensure product life cycle of each core nodes in terms of future roadmap.
• HLR and New number series planning & recycle the unused numbers in according to the direction of Bangladesh Government’s policy.
• Ensure strategic relationship with other operators.
• Prepare BoQ, LLD, HLD and ensure the ordering to purchase network nodes.

Achievements:
• Cost savings 70% by 30 Million Subscriber migration from Ericsson HLR to Huawei ngHLR in 2010.
• Cost savings 50% by Signaling layer migration from Ericsson STP to Huawei IPSTP in 2010.

15 October, 2009 - 15 May, 2010 Deputy Superintendent Engineer at Grameenphone Ltd

Major Responsibilities:

• Network KPI trend analysis and Performance KPI monitoring of each Core nodes to maintain network QoS.
• Ensure network availability by monitoring fault detection, take troubleshooting and share the critical observations with solutions to the concerned teams.
• Supervise Core Network rollout including ordering, installation, build up test bed, Integration, testing, commissioning and operations.
• Lead the Core Network modernization project by offloading legacy nodes on multi vendor (Huawei & Ericsson) platform.

Achievements:

• 4 pair Huawei ngHLR integration in 2010.
• 2 Pair Huawei IPSTP integration in 2010.

18 December, 2006 - 14 October 2009 System Engineer at Grameenphone Ltd

Major Responsibilities:

• Integration and Migration of Core, IN, VAS nodes.
• Network performance Monitoring and Reporting for voice, data, signaling.
• Core Network Inventory Management for Voice, Data, Signaling.

Achievements:

• Core Nodes integration and migration in due timeline.
• Reporting tools development for voice, Signaling and Data network.