Aug 2020 – Mar 2022 · 1 yr 7 mos · Bengaluru, Karnataka, India

May 2019 – Jul 2020 · 1 yr 2 mos · Bengaluru, Karnataka, India

• Build Devops Team
• Build App-Support Team (SRE)
• Build SecOps team
• Hiring IT manager and IT engg
• Infra as code rollout
• SonarQube
• Infra stabilisation
• Right sizing, capacity planning and cost saving
• Infra security
• CI/CD rollout
• Rolled out Monitoring through Prometheus and Grafana.
• Infra automation through Terraform
• Alerts Dashboard using Alerta
• Superset tool rollout for data science team
• SSH key management tool (In house tool)
• Web tool to tail logs in realtime using bastillion
• DR Setup and data backup

Jun 2018 – May 2019 · 11 mos · Bangaon, West Bengal, India

Aug 2016 – Jun 2018 · 1 yr 10 mos · Bangalore

• Managing a team of 2 Operation Engineers looking after daily data analytics and devops automation.
• Monitoring enhancement and automation.
• Managing data analytics infrastructure and data pipeline.
• Managing Hadoop infrastructure.
• Managing GCP and AWS infrastructure.
• Cost optimisation.
• Achievements:
• Implemented chef server with high availability (in open source itself).
• Implemented Monitoring automation.
• Implemented Rundeck to manage messaging infrastructure.
• Migrated Infrastructure from AWS to GCP.
• Implemented Infrastructure as code using terraform.
• Implemented hue to replace third party tool and saved more cost.
• Implementing prometheus monitoring.
• Implementing Auto remediation for production issues.

Sep 2009 – Aug 2016 · 6 yrs 11 mos · Bangalore Area, India

• Managing a team of 5 Engineers looking after daily operations of production environment with ~15000 hosts with 300PB NAS storages serving the for Yahoo Mail.
• Redefining process for Daily Operations support and Monitoring
• Acting as fourth-level escalation Lead point for production issues.
• Maintaining logs on centralized server for traffic auditing and verification.
• Conducting training for Operations Support Engineers (SREs)
• Load & performance testing of various applications using transaction-monitoring tools.
• Capacity planning and Load balancing of Web services.
• Root cause analysis of application issues and bug tracking.
• Achievements:
• o Implemented centralized application state file system IGOR.
• o Rolled out contanza Mail Farm setup to improve user experience.
• o Worked on UDB to Sherpa migration, which is on cloud infrastructure.
• o Worked with development team and rolled out HomeStore Project [SaaS].
• o Implemented real time application stats scoreboard” to improve monitoring.
• o Implemented centralized log monitoring system splunk.
• o Implemented Archive Mega Cluster to optimize old storage system and saved $M.
• o Migrating from legacy CI CD to GIT, Chef, Artifactory.
• Dev-Ops:
• Managing a team of Tools & Automation.
• Evaluation of Monitoring and Operations products.
• Designing single console Monitoring solution for application and system services
• Guiding and innovating monitoring solutions to fill in gaps in monitoring
• Evaluating and use open source technologies.
• Achievements:
• o Continuous integration and release automation with chef and Jenkins.
• o Dynamic report generation and alert co-relation.
• o Save content: Tool to record background data during the transaction monitoring.
• o Fixmbox: Tool to find and fix all kind of mailbox related issues.

Apr 2007 – Sep 2009 · 2 yrs 5 mos · Greater Bengaluru Area

• Team Lead
• Managing a team of 7 Operation Engineers looking after daily operations of Yodlee production environment consist of 1000+ Servers (Linux/Solaris/Windows), heterogeneous Network backbone, Application Servers
• Evaluation of Monitoring and Operations products
• Redefining process for Daily Operations support and Monitoring
• Guiding and innovating monitoring solutions to fill in gaps in monitoring
• Handling escalations for various application servers like – Jboss, Resin etc.
• Handling escalation for application performance issues – involves work with System parameters, JVM issues, Network latency, Database parameters etc.
• Managing backup remotely with Legato backup solution with autoloader.
• Conducting training for Operations Support Engineers
• Build and provisioning of production servers.
• Implementing, Configuring Group policies and OS Hardening for entire domain according to policy.
• Configuring web servers, Name servers, Mail Servers, NTP.
• Load & performance testing of various applications using transaction-monitoring tools.
• Capacity planning and Load balancing of Web services.
• Shell scripting for task automation & event handlers.
• Root cause analysis of application issues and bug tracking.
• Problem Management: Providing root cause analysis (RCA) for severity-1 incidents thereby ensuring improved services and incident volume reduction
• Change Management: Ensuring all changes are properly deployed, managing and co-coordinating change implementation
• Achievements:
• Implemented process for problem escalation and tracking
• Implemented process for post-change-verification and build verification test as part of change control management
• Driven activity of Operations Handbook and documentation

Jun 2006 – Mar 2007 · 9 mos · Greater Bengaluru Area

• HPC, GRID, HA Cluster and Virtualization implementation and support
• FM Engineer at INFOSYS Campus, Bangalore.
• Maintaining Windows, Linux & Uinx (Linux, HP-UX, Solaris, IBM AIX and IRIX).
• Application Server and License Servers and Linux HPC Cluster Maintenance.
• Testing and Implementing Production Software and license management.
• Backup and Restoring, Troubleshooting application and system issues.

Mar 2005 – Jun 2006 · 1 yr 3 mos · Chennai Area, India

• Network Administrator Mar 2005 to June 2006
• FM Engineer at ProdEx Technologies Campus, Mylapure Chennai.
• o Maintaining Windows and Linux Application Server and License Servers Web Server, Proxy and Mail Server.
• o Testing and Implementing Production Software, Backup and Restoring, Resolving MS Exchange, Desktop application Problems.
• o Designing and implementing VM environment.
• o Testing the Developed Software in virtualization Environment.
• o Resolving US Server Problems through Remote Management like SSH, RDP, Remote Anywhere, ICA.

Jul 2004 – Mar 2005 · 8 mos · Bangalore

• Responsible to maintain Linux, Windows servers and extensive LAN.
• Provided second level of support by handling escalations
• Installation, configuration, monitoring of software applications.
• Firewall Monitoring, Network Band width analyst, Application related Development, Testing and implementing new Technologies.
• Backup and restoring Accounts Data on NAS through VERITAS backup tool.
• Vender management.

Nov 2001 – Jun 2004 · 2 yrs 7 mos · Bangalore Area, India

• Customer Support Engineer
• Pre Sales and Post Sales hardware, operating system and application support.
• Installing and configuring Servers and Work Stations.
• Warranty Support for Servers and Desktops.
• Resolving Customer Operating System and Software Issues.
• Demonstrating the Servers with Customer Application and fixing Application Bugs with the help of Application vendor.