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I am a Network Engineer with more than 10 year experience in Enterprise networking and Network Security, mainly on Cisco (ISR, ASA Firewall/IPS, FirePower, Catalyst Switches) and Juniper SRXes.

Working experience with Process Control systems (Plant Information, PLC), and other IT Infrastructures such as Identity Management systems (RSA SecurID), Servers (Windows Servers, AIX, Linux), Databases (DB2, MySQL, Oracle),  Microwave Radio (Harris Stratex/Aviat Networks)

I am an individual who are open to new experiences, able to learn new technologies quickly, not afraid to work hard to achieve my goals. I am a Certified Ethical Hacker (CEH) and currently pursuing CISSP certification by end of this year.


Jan 2019

Certified Ethical Hacker - C|EH


License ECC58430201775

Oct 2016

Certified Specialist, Security (JNCIS-SEC)

Juniper Networks

Oct 2016

Certified Associate, Junos (JNCIA-Junos)

Juniper Networks

Work experience

Oct 2010Present

Senior Network Security Engineer (5 years 5 months)

ExxonMobil Business Support Center Malaysia Sdn Bhd

KLCC, Kuala Lumpur, Malaysia

Responsible for enterprise security using Firewalls and IPSes to protect Corporate, DMZ, Process Control, Terminals and External 3rd Party connections, mainly using Cisco with IPS and FirePower and Juniper SRXes

During a network refresh project, was able to reduce number of firewalls deployed from 28 to 2 pairs thus reducing capex and maintenance by developing new standard network design using VRF which combines old Process Control Networks and corporate network within the same physical network, without sacrificing security

During a distribution terminal server refresh exercise, redesigned the distribution terminal network to include a new DMZ security zone that assures separate controls can be applied to traffic from Corp to the new server and from JV Partner (new requirement) to the new server.

Ensure continuous support from access control infrastructure (RSA SecurID) by migrating the old RSA 6.1 authentication manager which is out of support to latest version 8.1 smoothly without interruption to business operations and within a short span of 6 months even though I have no prior knowledge to the system operations

Apr 2006Oct 2010

Senior Network Engineer (4 years 7 months)

ExxonMobil Business Support Centre Malaysia Sdn Bhd

KLCC, Kuala Lumpur, Malaysia

Design, Implement and troubleshoot enterprise network WAN and LAN connections, using mainly Cisco Enterprise switches and routers. Manage WAN connections comprising of MPLS, IPVPN, and ethernet networks using EIGRP, IS-IS and BGP protocols

Key involvement in bandwidth management using QoS to regulate Data Domain disk to disk replication over WAN links

Key involvement in Offshore network microwave upgrade consisting in vendor selection, technical specification, network design, implementation and documentation phases

Involved in harmonizing 2 different networks(upstream and downstream networks) which was separated by interconnect firewalls (which was removed after harmonization)

Oct 2001Apr 2006

Senior Network Administrator (4 years 7 months)

Honda Malaysia Sdn Bhd

Alor Gajah, Malacca, Malaysia

Develop and implement and maintain Honda Malaysia Factory LAN and WAN connections

Implemented a q-mail based Linux corporate email server handling more than 20000 emails daily

Manage New models drawing server running IBM AIX and DB2

Implemented secure connection to internet using firewalls, IPS, content management systems

Developed and implement Honda Malaysia Training Center wireless network deployment

Jun 2000Oct 2001

Java Web Developer/system Administrator (1 year 5 months)

Petaling Jaya, Selangor, Malaysia

Develop e-commerce interface using IBM Platform, running on AIX, using IBM httpd and IBM Websphere

Responsible on Office LAN, Exchange Email System

Aug 1999Jan 2000

IT Positions: Short term contracts (6 months)

Blue Cross Blue Shield Organization for Kelly Services

Millwaukee, Wisconsin, USA

Digitize documents for Blue Cross Blue Shield Organization

Prepare Blue Cross Blue Shield website for Y2K compliance

Aug 1998Aug 1999

Project Manager (1 year 1 month)

Ayer Sales, Inc

Syracuse, New York, USA

Work as project manager in a waste management system company to implement customer orders

End to end responsibility includes :

Customize waste management system to fit customer requirements

Complete the Bill of Materials and documentation for the system

Help workshop crews to built the system