Mohd Khairul Hizan Abu Bakar

Assistant Manager TM Berhad

Work History

Work History

Assistant Manager- PRI Services Migration 

Feb 2015 - Present
Telekom Malaysia Berhad
  • Collaborate with teams from Network Operations, TM Government and Enterprise on the formulation of PRI services migration plan and related network requirements to achieve reliable access network performance.
  • Study, analyse and lead the migration of TM's Corporate Subscriber data standardisation from PSTN exchanges to NGN Huawei platform (SoftX3000, UMG800 and UA5000) to ensure data and billing integrity.
  • Meet clients to gather user requirements, analyse customer's PABX, server type and existing configuration to develop solution proposal for PRI migration. 
  • Troubleshoot connectivity, routing and signalling (SS7) problem including toll free (1800/1300) number translation and enhanced call features such as call forwarding, calling party name/number display, and three way conversation.
  • Dealing with Vendors and other stakeholders within TM on critical issues

Assistant Manager- NGN Access Gateway Deployment 

Feb 2013 - Feb 2014
Telekom Malaysia Berhad
  • Project Coordinator ( KL/ SELANGOR / MSC area) for NGN Access Gateway (Huawei UA5000) .
  • Designed the network topology, identify the Core network connection (VLAN,IP Assignment) developed detailed migration solution involving Main Distribution Frame (MDF) and access cabinet (IPMSAN), plan and organise a proof of concept.
  • Cooperate with Metro E team in designing the redundancy network connection for Access Gateway UA5000.
  • Engaged with Vendors & subcontractors in different project activities (Site survey , BOQ preparation ,Installation of equipment,  Acceptance Test, Commissioning of system)  to execute job. 

  • Monitor the vendors and subordinates activities and guide them to plan and execute the activities according to the standard work flow.

  • Identify, track, manage and resolve project issues.
  • Plan and ensure implementation of overall risk management process for the NGN Access Gateway. project which involves analysing risks, describing and estimating the risks affecting business and eliminate the risks.

Assistant Manager- PSTN/Fixed Broadband Migration

Jul 2008 - Jan 2013
Telekom Malaysia Berhad
  • Plan and execute the migration of PSTN/ATM DSLAM to the Huawei NGN Network to support TM Services and Products on the PSTN/NGN/ISDN platform in accordance to Technical Strategy Policy and guidelines.
  • Prepare new procedures, analyse and review/update existing PSTN exchanges (Nokia , Fetex , Axe and Neax) and NGN Huawei system (IMS,SoftX3000, and UA5000)  data procedures and guidelines so as to achieve high quality of services after migration.
  • Monitor and test all voice related application and features involved and make sure the features and routing configuration is running smoothly without any problem.
  • Developed strategic plan to mitigate risk for NGN/IMS Project.
  • Developed plan for relocation and vacation of exchange sites.

Technical Skills


Operating Systems

Windows 98/NT/2000/2003/XP


Microsoft Office (Excel, Word , Powerpoint Visio) MS Project , Primavera

TM Operating Support System

Nova R3, NIS, Granite , SAP , ICare Prime

Access Networking

Huawei NGN Access Gateway (UA5000) & IPMSAN Configuration,FTTH,Metro Ethernet , Residential Gateway & BTU Technology 

Core Networking

Huawei NGN Softswitch, IMS , Media Gateway, Signalling Gateway,

IP Networking

LAN/WAN design architecture,VLANs, IP Services Control , VOIP Technology


SIP ,OSPF , SS7 (PRI Signalling)



Master of Engineering (M.Eng.), Project Management

Mar 2014 - Dec 2014
University of Melbourne Australia

Bachelor of Engineering (B.Eng.), Electrical and Electronics Engineering

Jun 2004 - Jun 2008
University Putra Malaysia



Huawei Certified Access Gateway (AG) Associate 

Jul 2011 - Oct 2014

Project Management Certification

May 2008 - Dec 2015


Anuar Saidina Abu Bakar  

General Manager NGN Development