Jun 2021 – Sep 2022 · 1 yr 3 mos · India

• Primary role of solving customer technical issues (with their infra running on a variety of infra - Public/Private Cloud, VM/container based), following up with internal and external engineering teams on these issues and feature requirements and helping the customer to keep their services running with high uptime.
• Worked on AWS and K8s, though not extensively, but know the basics well. Also know Helm charts.
• Also responsible for writing internal documents and knowledge base articles to help improve documentation of the product and offer the customers a rich support experience.
• Helped build and refine internal processes around customer support and escalation management, issue triaging and issue closure.
• Currently mentoring a team of 3 junior members, helping them onboard and learn the nuances of the product, helping them understand the theory behind the distributed database so as to enable them to troubleshoot issues independently.
• Wrote various bash/python scripts to help ease my job and help detect/troubleshoot issues better and more accurately.

Jul 2017 – May 2021 · 3 yrs 10 mos

• Founding member of SRE Team in Flipkart. Laid the roadmap, designed processes and implemented SRE culture in team.
• Working as an SRE in Flipkart's Central PAAS team, maintaining high-throughput and highly scaled distributed systems. Responsible for service uptime, defining SLOs and SLAs meeting them.
• Have knowledge on Kafka, MySQL, Redis, ZK, Java Applications, Docker, K8s, Python, Bash, Ansible, Git.
• Dockerised of all stateless Java applications by using K8s and Helm chart.
• Worked in Flipkart's Central Log and Metric Aggregation and Query Service team from 2017 to 2019.
• Responsible for defining SLIs, SLOs and SLAs and defining process to achieve them.
• Responsible for writing and verifying meticulous runbooks.
• Responsible for reprovisioning infrastructure to keep the lights on.
• Responsible for troubleshooting application level and customer issues.
• Responsible for deployment of new code in production.
• Responsible for scaling up systems for a high load events such as Flipkart Big Billion Day Sale.

Jan 2016 – Jul 2017 · 1 yr 6 mos

• Worked as an Operations Engineer in eKart team of Flipkart. eKart is the logistics, warehousing and last mile delivery arm of Flipkart.
• Responsible for maintenance, provisioning and uptime of 2000+ instances of VM and baremetals and the services deployed on them.
• Offered MySQL-As-A-Service - was Single Point of Contact for Standardised Deployment, Maintenance and uptime of Production and Operation critical MySQL clusters (80+). Performed Very Complex MySQL Operations to keep things running. Achieved the target of 99.97% uptime against a target of 99.95% over a period of 1.5 year.
• Managed dozens of Multi-Terrabyte MySQL clusters fronting multiple Tier-0 service that supported 10s of 1000s of QPS.
• Audited entire infra reularly via automation to ensure tech hygiene and standarisation.
• Responsible for predicting, calculating and procuring capacity requirements in advance.

Aug 2014 – Dec 2015 · 1 yr 4 mos

• Scaled up the FAI and Puppet Infrastructure to scale up DC Infra from 2k servers (baremetals) to 5.2k servers.
• Was part of 25-Strong DevOps team supporting and maintaining the entire Flipkart Infra.
• Conducted basic Audit of MySQL Databases pan-Flipkart.
• Did troubleshooting of issues Devs faced throughout Flipkart. Helped them unblock on capacity, provided guidance in selecting capacity size requirements for upcoming projects.
• Was MySQL Expert for entire Flipkart. Ensured databases are being backed up daily using automation, and fixed any replication issue that may occur.

Sep 2010 – Jul 2014 · 3 yrs 10 mos · Jaipur Area, India

• Introduced DevOps way of working in Linux Admin team to support dev teams in the development of company products and services.
• Worked closely with developers in implementing RFCs related to IMAP, SMTP and POP Protocols.
• Maintained around 80+ Linux Servers, hosting Email Solutions for variety of customers ranging from NGOs to Govt Entities and private companies. Maintained DNS , LDAP Servers, and Postgres Database Servers (with support from DBA Team).
• Implemented Automation in the team to speed of execution of daily tasks and to reduce error probabilities, via bash scripting. Implemented monitoring of App behaviour via Bash Scripts to raise more detailed Alerts, enabling faster troubleshooting of problems.
• Built a team of 10+ Linux Administrators to ramp up support to Infra, Application Support and Development Team as well.
• Delivered POCs for use case of Puppet to help implement Idempotency where ever possible.
• Wrote exhaustive runbooks for Developers and Linux Administrators to help them troubleshoot problems faster and in systematic way.