Dec 2021 – Sep 2022 · 9 mos

• Providing DevOps & Infrastructure Teams supporting tools and infrastructure for 1000+ Developers on 30-50 concurrent releases. Administering application/system security, ensuring compliance with InfoSec directives. Devising streams, branches, automated builds, change packaging and release strategies for different SDLC-natured projects. Architected and deployed security-conscious infrastructure within
• multiple AWS/Azure environments.

Mar 2020 – Jan 2022 · 1 yr 10 mos

Mar 2018 – Mar 2020 · 2 yrs

Apr 2017 – Mar 2018 · 11 mos

Feb 2015 – Apr 2017 · 2 yrs 2 mos

Apr 2014 – Jan 2015 · 9 mos · Dubai

• Infrastructure provision and configuration management of AWS components
• Linux - Server Administration and Maintenance.
• SQL Server Performance Tuning, Capacity Monitoring, Server Monitoring including query analyzing, Data Security,
• Management of Network, Load Balancers, Firewall, VPN, LVM, RAID, Proxy, Observability Tools.
• Responsible for Backup and Recovery, Server Optimization, Performance Tuning and Code Deployments

May 2011 – Mar 2014 · 2 yrs 10 mos · Media city, Dubai and Harrow on the Hill, UK

• Linux Server Provisioning, Configuration Management and Administration on AWS and Datacenters.
• Responsible for server optimization, performance tuning and code deployments
• Securing the Applications/Servers using iptables, ModSecurity, SSL, rewrite rules, Advanced Policy Firewall(APF), Brute Force Detection(BFD), Daily Server Auditing, Checking/Fixing the vulnerabilities using McAfee scan.
• Experience on Dyn DNS Manage (GeoTraffic for Security), Microsoft Office 365, Cloud Servers and CDN.
• Troubleshoot/Analyse complex issues independently using application logs and system logs.
• Automated the system administration tasks using bash scripting.
• Experience working on system monitoring and Application Performance using Newrelic, Nagios, Pagerduty and Cacti. BackupPC Administration, security monitoring using Mod_sec audit logs, firewall logs, application logs and McAfee scan logs.
• Working experience on KVM virtualization, LVM, load balancing, high availability and SAN storage.

May 2008 – Oct 2010 · 2 yrs 5 mos · Kochi

• Installation, configuration performance tuning and troubleshooting of software such as Apache, exim, sendmail, bind, MySQL, PHP, IIS, WAMP MSSQL etc.
• Servers are accessed remotely via SSH and rdesktop; KVM and rAdmin are also used in different scenarios.
• Managed hosting control panels like cPanel, DotNetPanel, Ensim, H-Sphere, Helm, Plesk and Webmin.
• Managed ticketing systems like Kayako, Cerberus, Ubersmith, WHMCS and Salesforce.
• Backup/restore of domains/databases/emails etc.
• Monitoring servers and services using Nagios.
• Installation, configuration and maintenance of different software like cPanel, Zimbra, FFMPEG, FANTASTICO, RED5 etc.
• Knowledge in Linux Shell Scripting.

Jan 2007 – Jan 2008 · 1 yr · Info Park Kochi

• Responsible for day-to-day administration of servers and desktops
• Troubleshooting and maintenance of 2000+( Apache, Tomcat and Mysql) servers.
• Good exposure in working Server related issues across different data enters.
• Working on Red Hat , Centos, Ubuntu and Debian.
• Worked on NIC Bonding, installing packages for various clients. Added the Red hat servers to Red hat satellite network and performed kernel upgrades, packages upgrade.
• Performed post installation checks for various clients.
• Installed operating system using Kickstart and configured Raid setup in servers.
• Enabled monitoring for servers using NRPE and SNMP in Nagios monitoring tool.
• Performed maintenance activities for clients on weekends.
• Ensuring trouble tickets raised by users are cleared within the SLA.
• To maintain 300+ user accounts in Win 2003 Server Active Directory domain controller. Perform, monitor, and maintain security access privileges according to established policies, standards, software licenses and procedures.

May 2002 – Mar 2003 · 10 mos · Kottarakkara

• Installing and maintaining Servers and Desktops.
• Hardware Assembling.
• Troubleshooting Hardware and Software issues.
• Design and implementing LANs
• Prepare and deploy the software distribution packages for various applications.