Mar 2018 – Aug 2023 · 5 yrs 5 mos · Bengaluru, Karnataka, India

Nov 2015 – Mar 2018 · 2 yrs 4 mos · Bengaluru Area, India

• Kubernetes
• Mesos/Marathon
• Python
• aws/azure

Jul 2014 – Nov 2015 · 1 yr 4 mos · Cochin Area, India

• Installation & configuration of Hadoop Cluster using Cloudera.
• Automate deployments using Ansible + Jenkins
• Configure Backup for Hadoop Data
• Docker
• Write Bash/Python (Boto) scripts to Automate AWS EC2 instance launch
• Configure Route53 Load Balancing, Weighted/Round robin
• AWS Glacier/ s3/ ELB

May 2013 – Jun 2014 · 1 yr 1 mo

• The main focus in my job is to maintain up-time of various production and management servers and also managing deployments consisting of 100s of linux servers, conduct RCAs, & working with senior System Administrators for deployment automation and product development and also coming up with permanent resolutions for any issues.
• Troubleshoot system/application faults using Event logs or error logs.Also coordinating with DC techs to manage the hardware specs of the server.
• Working on Tools/Utilities: Nagios, DHCP, Kickstart/Cobbler, Yum, RPM, GIT.
• Working on Systems/Hardware: RAID, LOM/IPMI/IP KVMs, Dell Hardware.
• Working on Basic DNS & Networking, TCP/UDP, IP Routing.
• Working on Control Panel: Cpanel, Plesk.
• Working on configuration management tool: Puppet
• Working on scripts that will help us in automating daily tasks.

Jun 2011 – Apr 2013 · 1 yr 10 mos

• Responsible for maintenance of webhosting servers ensuring 24/7 uptime.
• Administration of 50+ Linux servers on a daily basis
• Configuration & optimization of firewall for maximum security (IPtables, CSF)
• Perform server hardening, migration of individual accounts, server setup, LAMP stack installation.
• Use real time monitoring tools like nessus, nmap, tcpdump, clamscan, spamassasin etc to detect monitor and identify the potential vulnerabilities of the servers.
• Day to day tasks involve troubleshooting issues with mysql, apache & webhosting softwares.
• Monitoring RAID, perform daily backups & ensure the backups are upto date & current. Verify access logs to identify any source of hacking attempts.
• Perform security audits, penetration testing and policy compliance.
• LVM (Logical Volume Management).

May 2010 – Jun 2011 · 1 yr 1 mo