International Enterprise Singapore Project- Implementation of Cisco WLC solution- Firewall migration from Cisco ASA to Paloalto- Manage IE Singapore overseas branch network- L2/L3 support on Firewall, Wireless and network related requestsKTPH Project- Checkpoint & Cisco ASA firewall restructuring- Distribution switch migration to Catalyst 6k platform- Cisco SourceFire implementation- L3 support on network security base products

Designing, Implementing, Supporting, Maintaining and Troubleshooting of- LAN/WAN IT network Infrastructure systems- Cisco ASA, Checkpoint and Fortigate Firewall systems- Cisco Catalyst and Nexus series switches- Cisco Unified Communication System and Shoretel PBX Business Phone System- Cisco TelePresence & Polycom video conferencing systems.- Site-to-site and Remote access VPN.- ASA, FWSM, ISE server, Cisco Security CS-MARS, Cisco Secure Access Control Server.- ASDM, CSM and DCNM - Cisco IPS systems- Wireless LAN controllers (Aruba, Ruckus, FortiAP)- Load balances and WAN Optimization systems- SUSE/RedHat Linux, Windows operating systems.- Brunch and DR network infrastructure.- Backup, Network monitoring systems using Op-Manager, Net flow - Analyzer, Firewall Analyzer, Device Expert, LMS. Monitoring, Security, Research and development of - Network traffic, syslog, activities, capacity management.- Evaluating testing and recommending various network hardware, software and operating systems to improve the network operations.- Detect and analyzing security vulnerabilities in network, responsible for installing bug fixes, firmware update and feature enhancement.- VPN, internet/point-to-point bandwidth utilization and its usage to ensure the integrity and optimal performance of the network.- Databases/ systems alerts logs, trace files and tracing for errors.Other - Preparing and maintaining procedures and documentation for network inventory, and recording diagnosis and resolution of network faults, enhancements and modifications to networks, and maintenance instructions- Working with Cisco TAC on escalated issues.- Performs trend analysis for chronic issue resolution and remediates escalated network issues.- Ensure the integrity of high availability network infrastructure.- Conducting security audits, setting up the corporate level strategies and objectives with regard to IT which helps the management of decision making purpose.

ISO 27001 certified Data Center and DR site• Responsible for managing and maintaining the Data Center according to ISO 27001 standards.• Managing the IT equipment in the Head Office and DR site according to standards.• Act as an ISMS Coordinator for primary Data Center.• Managing ISMS policies, procedures and ISMS documentation works.Head office, branch Data/Voice connectivity• Managing IPVPN connectivity (more than 60) in the branch network all over the country.• Managing Cisco IP phone network (CUCM).• Managing IPVPN, P2P, IIL, E1, SIP, ADSL links.• Managing Cisco Voice Gateways.• Managing Cisco routing and switching in the core, distribution and access layers.• Prioritize and traffic shaping and load balancing based on IPs, ports, bandwidths etc.24x7 Call center operations• Managing Cisco Unified Communication systems (Cisco Unified Communication manager, Cisco Unified Contact Center, Cisco Unified Workforce Optimization)• Support call center staff to maintain their SLA’s.Network Security• Managing policies, SSL VPN, NAT, web/application/url filtering, routing in Primary and DR firewalls(Fortigate 800c,310b,110c)• Major version upgrades and patch upgrades of firewalls• Managing policies and remote administration using Kaspersky Security Center servers• Ensuring Kaspersky Endpoint Protection is installed, up-to-date and running properly in about 1000 PCs in head office and branches.• Managing client licenses• Generating weekly reports of threats, infections, status etc.Storage• Managing EMC^2 VNX and Synology NAS with permissions, AD authentication, quotas etc.• Storage backups and recoveryAudit and Compliances• Ensure IT Audit compliance• Timely implementation of the IT Security Audit recommendations• Review Internal and external vulnerability audits and implement (review) gaps

Server Virtualization• Managing primary and DR virtual server infrastructure ( VMware vsphere 4.1 to 5.5)• Major version upgrades, patch upgrades and host firmware upgrades.• Managing VMware vSphere replication and site recovery manager operations.• Managing datastores.• Maintaining backups (Veam backup and VDP)• Data replication to DR site ensuring RTO & RPO requirements.Network monitoring and alerts• Managing SNMP monitoring & alerts for services (response time, disk space, memory/cpu usage, port status etc.) on servers, firewalls, NAS, routers/switches, IP CAMs, attendance scanners, AS400 etc.IT Management• Document maintenance about servers and network infrastructure, settings, backups, procedures, agreements etc.• Performing IT cost evaluations, TCOs, vendor managements etc.• Coordinating with vendors, ISPs, solution providers and other outside parties related to IT.• Project planning, BCP planning, responsibility assignments etc.• Designing and generating Business Intelligence reports for top management.• End user training of IT standards, IT security policy and security awareness.Conduct BCP / DR activities• Ensure DR for all critical applications• Periodic review of DR Centre to ensure compliance with standards• Review / upgrade the existing infrastructure at DR Centre• Conduct the periodic DR testing