Chockalingam Sivakumar

Summary

SUMMARY Over 8 years of Experience in IT industry in Security, Network and System Administration. Experience in Checkpoint, Fortigate & MS Firewalls Experience in Juniper Networks- Net screen Firewall. Experience in RSA Secure ID, ISS IDS, WSUS server & Trend micro Antivirus Products Experience in Trend Micro IWSS, Squid Proxy & Trend IMSS Anti spam S/W Experience in Windows 2003/2000, Linux Servers Experience in handling Ethernet, LAN, WAN, SSL VPN ,Frame Relay & WLAN connectivity Experience in DNS,SSH,FTP, NAT & Telnet Experience in configuring and maintaining Cisco 2800 & 2900, Routers & Switches Experience in Intrusion prevention s IDS,NIDS & HIDS Solid Expertise in handling IT Security Issues for Banking Industry. Technical Skills Operating Systems : Windows 2003/2000 Server, Windows 2000 Professional, Windows 98/XP, & Red Hat Linux, Solaris, Unix Security : Checkpoint, Netscreen & Fortigate Firewalls. Security Products : Aventail SSL VPN device, WSUS servers, RSA Two factor Secure ID & ISS Real Secure IDS (NIDS / HIDS), Snort IDS Antivirus : Trend Micro Antivirus (Control Manager & OfficeScan) Messaging : Send Mail, Trend Micro IMSS Antispam & ScanMail for Microsoft Exchange Proxy Server : MS Proxy, Squid Caching Proxy & Trend Micro Web Security suite Admin & Backup Tools : OS Hardening, VNC, MRTG, Radmin & MICROSOFT Backup Servers & PCs handled : HCL servers, Compaq, IBM, HCL, and HP Network H/W handled : Cisco, Dlink, and Intel Routers & Switches Work Experience Percipia Inc, Gahanna Jan 2008 to till date Senior System & Network Administrator Job Responsibilities: Responsible for Network Design and maintenance of Networks System & Network Administration, Hardware/Software Installation and maintenance of Servers & Desktop. Taking care of Firewalls and Routers, all the internal systems are routed through our firewalls for On-Line banking. Implementation, administration: Design / Configuration changes, Defining policies and its actions. Implementation, configuration and administration of Microsoft Windows Update Services for Central office users and Branches. Managing Daily & Weekly Backup & restoration of Critical Data. Implementation, administration: Client and Agent Host activation for windows, Logging and Log analysis. Environment: Windows 2003/2000, Linux Servers, Cisco 2800 & 2900, Routers & Switches, Checkpoint, Fortigate & MS Firewalls, MS-SQL 2000 & 2005. Union Bank of India, Mumbai Mar 2005 to Dec 2007 Senior Security Administrator Union Bank of India is a nationalized Public sector Bank having more than 1100 branches on core banking solution with more than 750 ATM s, Internet Banking and Telebanking. Infrastructure includes Firewalls, IDS Sensors, SSL VPN, Servers, Desktops, Routers, Switches, Database and Mail servers. Roles and Responsibilities: Working on security product s implementation, security audit and architecture design. Playing an active role in a secured network designed solution for Bank. Responsible for Network Security Policy and Design. Firewalls (Net Screen 500, Check Point NG AI R55 Alteon based & Fortigate 300): Responsible for design, Implementation and Administration: design/ configuration changes, HA & LB configuration, routing changes, forming security policies, Deploying security policy, log tracking & log analysis and troubleshooting. Intrusion Detection System (Site Protector, NIDS and HIDS): Implementation, administration: Design / Configuration changes, Defining events/signatures policies and its actions, Logging and Log analysis. Two Factor Authentication Server and Replica (RSA servers & tokens): Implementation, administration: Client and Agent Host activation for windows/ Solaris, Logging and Log analysis. Web and messaging Security Suite Solution (Trend Micro IWSS & IMSS): Involved in Implementation and administration: Policy formation for Internet access for various levels, Mail Scanning configuration at gateway level, logging and Log analysis. Antivirus Solution (Trend Micro Control Manager3.0 and Officescan7.0): Involved in Implementation and administration: Monitoring and troubleshooting. Windows Update Server (WSUS): Implementation, configuration and administration of Microsoft Windows Update Services for Central office users and Branches. SSL VPN: Configured and Managing Aventail SSL Virtual Private Network (VPN) for Mail access / Data access. Remote Management of Firewalls: Administration and Maintaining of DRSITE (Disaster site) & Treasury Fortigate firewall. Maintaining 2Mbps Leased line Internet Connection Managing Daily & Weekly Backup & restoration of Critical Data Provided comprehensive desktop and network support whereby resolving technical issues for over 1500 end-users from diverse socioeconomic backgrounds. System & Network Administration, Hardware/Software Installation and maintenance of Servers & Desktop. Troubleshooting and supporting multiple OS like Windows, Red Hat Linux and Solaris. Resolve day-to-day technical issues involving email, network issues, applications, hardware & peripherals, routers & switches, etc. Maintenance of Peripherals like printers, addition of CD-ROM, DAT drive, Hard disk and Intel based servers. Experience in managing a Technology Services Firm with multiple clients spread through multiple states Troubleshooting and problem diagnostics of various Servers utilizing various diagnostics tools. Configuring intranet on Windows NT, Win 2000 & Win XP platforms i.e., IIS, MS Exchange, Proxy etc. Setting up and configuring TCP/IP networks in Windows platforms. Up gradation of hardware and software, System parameter tuning for performance improvisation. Environment: Windows 2003/2000, Linux Servers, Cisco 2800 & 2900, Routers & Switches, Checkpoint, Fortigate & MS Firewalls, MS-SQL 2000 & 2005. Launchpad Internet Services, Chennai, India July 1999 to Feb 2005 Launchpad is a Chennai based web hosting company, which got merged with webindia.com in 2005. Some of its clients include alacrity housing, medimix, Wipro, State Bank of India, Kerala Tourism. Founded in 1994, Webindia is a leading creator of new economy businesses, providing internet strategy consulting, sophisticated end-to-end solutions and launch support startup companies. As architects for the new economy, Webindia has been providing internet solutions in India and USA since 1994. Webindia is a growing new economy company, having the right team for various domain centric application developments. Roles and Responsibilities: Responsible for configuration of operating system upgrades and hardware. Hardware/Software Installation and maintenance of Desktops. Maintenance of Peripherals like printers, addition of CD-ROM, FDD, and Hard disks. Troubleshooting and problem diagnostics of various Desktops utilizing various diagnostics tools. Configuring intranet on Windows NT, Win 2000 & Win XP platforms. Setting up and configuring TCP/IP networks in NT platforms. Up gradation of hardware and software. Administration and Troubleshooting of existing LAN, maintenance, configuration of the Windows NT Servers, Workstation and establishing the connectivity. Attending day-to-day Systems, mail server, networking and systems problems as part of trouble shooting. Backup databases and restoring the documents. Using Red Hat 8.0 Server, implemented the following Services. Samba Server for printer, partition sharing between Linux & Windows machines NFS for file sharing between Linux machines. Backup and Restoring data in RedHat Linux machines. DHCP, Proxy Server, NIS & Apache Web server. Mail server (Sendmail), Telnet & FTP. Sendmail configuration and setup. Quota management of users. Ipchains firewall configuration. Apache setup and configuration. Printer setup and configuration. RedHat Linux 8.0 Administration. Environment: Windows 2003/2000 Server, Windows 2000 Professional, Windows 98/XP/ME, & Red Hat Linux, Windows exchange server. Education / Certifications Bachelor of Technology (Electronics), Anna University, MIT, Chennai. India. Diploma in Cyber law, Mumbai, India. Checkpoint Certified Security Administrator (CCSA). Cisco Certified Network Associate (CCNA). Microsoft Certified professional (M.C.P.).

Work History

Work History

Senior Network & System Administrator

Percipia Inc