Managing 25K+ AWS EC2 instances powering some of world’s most powerful Drupal websites and online businesses for our prestigious customers worldwide.Working on AWS using VPC, EC2, EBS, S3, ELB, ASG, ACM, Cloud Formation, VPN, etc.Ensure customer success by provisioning their hosting environments following Acquia best practices by maintaining high availability and load balancing throughout the infrastructure.Capacity planning and constantly improve performance by auditing sites and reliability of our hosting platforms.Working closely with engineering to deliver second-to-none SaaS and PaaS servicesHelp debug intriguing LAMP stack (Linux, Apache, MySQL and PHP) problems, web site configuration, tuning and troubleshooting.Help customers save cost by regular performance evaluation and identifying possibilities to scale up/down cloud infrastructure.Deploying platform releases and applying security patches in the infrastructure.Participate in an on-call, operations support rotation.Monitoring sites through various monitoring tools like Nagios, Signalfx, Sumologic, New Relic.Providing Root cause analysis to the stake holders for major outages and maintenance activities like up scaling hardware, moving sites to new hardware, upgrading disk volumes.Writing bash scripts to automate daily tasks.Expertise in Stackstorm tool which helps in automatic remedation of infrastucture alerts.Troubleshooting mysql related issues and maintaining mysql master-slave replication.Technical involvement:Cloud hosting experience (AWS, Openstack and BT).Configuration management (Jenkins, Puppet, Ansible, Subversion, Git)Scripting experience with Bash and Python,Ticketing Tool Jira, zendesk etcStackstorm tool for automatic remedation.Scalable hosting cluster experience (e.g., nginx, Varnish, GlusterFS, Memcached, RDS, MySQL etc.)Tools Nagios, Splunk, PagerDuty, SignalFX etc)Drupal (Content Management System) experience inLAMP Stack.