Nov 2021 – Jul 2024 · 2 yrs 8 mos · India · On-site

• Solving cloud infrastructure problems at scale.
• > Planning and building a platform to ensure higher developer productivity and faster yet stable, secure deployments to production with high reliability, security, and performance.
• > Led a team of 30 DevOps engineers in designing and deploying a highly scalable repeatable cloud infrastructure as code, supporting multiple businesses.
• > Designed and executed the auto compliance and security platform to increase the security posture by 90% across all businesses and verticals.
• > Strategized and implemented observability as a platform to identify and resolve potential issues & reducing incident response time by 40% and minimizing service disruptions.
• > Spearheaded the strategy and executed a disaster recovery plan, ensuring business continuity during critical system failures and minimizing data loss.

Feb 2021 – Nov 2021 · 9 mos · Noida, Uttar Pradesh, India

• IaC, Immutable infra, EKS, AWS, CI/CD, Cost-optimized highly scalable & available infra.
• 1. Driven the cost optimization strategy and platform to save ~40% of operational costs across multiple businesses
• 2. Led a team of 30 DevOps engineers in implementing IaC and microservice platform with k8s.
• 3. Led a team of engineers to plan, host, and execute the HPCL & IOCL Projects at managed data centers.
• 4. Strategized and executed central auth and many more security and compliance controls to improve on cloud and infra security posture against CIS benchmark.

Aug 2017 – Feb 2021 · 3 yrs 6 mos · Gurugram, Haryana, India · On-site

• IaC, Immutable infra, EKS, AWS, Application Migration, CI/CD, Cost-optimized highly scalable & available infra.
• 1. Strategized and built IaC platform and migrated workload from colo to cloud.
• 2. Led a team of engineers to drive the application migration to the Cloud, IaC and system engineering platform.
• 3. Strategized and built immutable infrastructure as code for various businesses and workloads.
• 4. Built and led a team to drive CI & CD, K8s, Cloud platform, application performance and colo infrastructure.

Mar 2016 – Aug 2017 · 1 yr 5 mos · Gurgaon, India

• IaC, Datapipline, BigData, Automation, Chef, CI/CD, Private Cloud, AWS, AdTech
• 1. Team & stakeholder management.
• 2. Migration from monolith to microservice stack.
• 3. Plan and execute cost optimization strategies plan & support 10X scale during sales season.
• 4. Built and supported big data platform and the Adtech infrastructure in AWS.
• 5. Migration from Public to private cloud.
• 6. Built self-serve - automated deployment using chef & Jenkins.
• 7. Pulp-based RPM repository.

Sep 2014 – Mar 2016 · 1 yr 6 mos · Gurgaon, India

• Led team of 4 for Redbus technical operation and designed and deployed high optimized cost effective AWS based infrastructure for Redbus's domestic as well as international portals.
• Migrated from simple EC2 based infra to highly optimized, autoscaled and secure VPC based infra. Designed and deployed highly scalable and available web layer using Docker with Elastic Beanstalk. Managed highly optimized and scalable db layer with RDS and auto scaling. Deployed central log processing using ELK. Automated application deployments with git and jenkins and custom python boto scripts.
• Auditd based security monitoring, integrated with LDAP to provide central authentication system and user management. Designed and deployed web security and performance optimization with Akamai DSA and web application firewall. Implemented periodic third party audits at application and infra level to secure certification of application and infra security by Naspers Groups for Redbus.
• Managed NOC team of 8 for 24X7 monitoring and production support. Deployed end to end infra and application monitoring with AppDynamics, Nagios and Manage engine.

Nov 2011 – Aug 2014 · 2 yrs 9 mos · Gurgaon, India

• Managed automated deployment of 500+ physical and virtual servers cloud with cobbler, pulp, puppet, foreman and fabric. Designed and deployed continuous Integration using Gradle, Jenkins and continuous delivery using jenkins, puppet. Managed highly available hadoop, kafka cluster and storage cluster using glusterFS. Deployed and managed Aerospike, redis and MongoDB cluster. Designed and deployed Highly available and optimized vertica, tungsten and MySQL cluster.
• Managed infra and application monitoring using nagios, check_mk and zabbix and managed highly available LDAP cluster with radius for SSO.

May 2008 – Oct 2011 · 3 yrs 5 mos · Gurgaon, India

• Managed automated deployment of 500+ physical servers using cobbler and continuous deployment with svn, capistrano. Designed and deployed highly optimized, highly scalable and highly available Apache cluster. Deployed and managed highly optimized shared, partitioned MySQL cluster. Designed and deployed e-mailing solution to serve very high email traffic (millions of mails/day) using postfix. Web optimization by deploying varnish and nginx proxy cluster to serve static content, caching layer with redis and memcache.
• Designed and deployed - highly available and scalable auto sharded mongodb cluster. Managed LDAP based user database cluster for ibibo.com.
• Skill Used: Apache, Php optimization & zend accelerator, MySQL, Linux, Mongodb, LDAP, nginx, Postfix, DKIM, SPF, DNS, e-Mailing infra setup.

Jan 2005 – May 2008 · 3 yrs 4 mos · Gurgaon, India

• Managed co-located servers 24X7 for various projects and provided development support, built and maintained dev/QA & production infra. Worked as Apache web administrator, MySQL DBA and Network Administrator. Hosted and maintained HA for multiple drupal based projects - designed highly available and scalable MySQL and Apache cluster.
• Skill used: Linux, Aapache, Sendmail, Postfix, MySQL, Php, Cpanel, DNS, Shared Hosting, Remote Administration, Nagios, Data center operations.