Jun 2017 – Sep 2018 · 1 yr 3 mos · Singapore

Apr 2016 – Jun 2017 · 1 yr 2 mos · Bengaluru Area, India

• DevOps engineer for a leading transportation network company, working with the latest technologies, solving technical problems while simultaneously maintaining different systems.
• Working with various operations and development teams on software deployment, operability, troubleshooting and monitoring.
• AWS OpsWorks Chef automation including tests for cookbooks using Robocop, Foodcritic etc.
• AWS VPC architecture for inter-region/datacentre/corporate-offices connectivity and configuration for improved application/infrastructure security.
• Building versioned infrastructure using terraform
• Working on next-gen infrastructure which includes docker for containerization, Mesos/Marathon for application deployment.
• Implementing alarm notifications/escalations and on-call schedules with Sensu/NewRelic and PagerDuty
• Built Application log collection from scratch using Graylog/Fluentd/Elasticsearch/Logstash/Filebeat/Kibana
• Incident, Problem, Change Management, Business Continuity Management
• Provide 12x7 on-call support.

Apr 2015 – Jan 2017 · 1 yr 9 mos · Bengaluru Area, India

Jan 2014 – Apr 2015 · 1 yr 3 mos · Hyderabad Area, India

• Operations Engineer
• Migrated the legacy SunOS application stack to AWS.
• Rightscale for servers provisioning and automation with Chef Cookbooks.
• Sun Directory Server migration to OpenLDAP in AWS
• VPN solution using OpenVPN with LDAP authentication.
• Multi VPC architecture in AWS using Cloud Formation
• Built Application log collection from scratch using Graylog/Logstash/Elasticsearch
• Create build and CI Pipelines with Jenkins
• Monitoring with Nagios and Monit
• Vagrant builds for the various development environments

Feb 2012 – Sep 2013 · 1 yr 7 mos · Bengaluru Area, India

• Operations Engineer
• Support Large Scale Production Servers. Building custom tools for monitoring and deployment services for smooth operations of the infrastructure.
• Manage and run high-traffic, complex advertising infrastructure.
• Automation using Puppet/Chef/Ruby
• Managing various data pipelines
• Incident, Problem, Change Management, Business Continuity Management
• Monitoring using Nagios/Collectd
• Provided 24/7 technical support on shift basis

Jun 2011 – Feb 2012 · 8 mos · New Delhi Area, India

• Production Application Management
• Design, Support and manage live Mail, Apache, DNS servers.
• Scripting and Securing servers via iptables.
• Setting up (programming + installation + documentation + team's training) new monitoring points

May 2010 – Jun 2011 · 1 yr 1 mo · Noida Area, India

• Working on LAMP stack
• Remote management of Red hat Enterprise Linux/Centos
• MySQL Administration
• Load balancing and clustering using LVS
• Build & Release Management using SVN & Capistrano