Mar 2024 – Present · 2 yrs 2 mos · India · Remote

• Building Managing and Hosting Websites for clients.

Nov 2022 – Feb 2024 · 1 yr 3 mos · Bangalore Urban, Karnataka, India · Remote

• Worked as Production Engineering for Yahoo! Including Infrastructure Engineering and operations for back-end and front-end Infrastructure Engineering (Linux Stack and Cloud). Yahoo FrontPage, YahooKnowledge (YK), Video Intelligence Platform(CAP), Yahoo GRID and Open-stack environment. which is responsible for Yahoo's largest server and service infrastructure with over 100K servers and generating answers to billions of search queries per month.
• Cloud Design, Migration, Infrastructure & operations, Internet-facing, revenue generating infrastructure, high-volume/highly-availability services, server, DB management (Cassandra), network management, information security, planning BCP & disaster recovery capabilities.
• Roles and Responsibility:
• ☑ Troubleshooting of Kubernetes Resources.
• ☑ Updating the Kubernetes deployment files based on the load request update.
• ☑ On-prem Kubernetes microservices to AWS kubernetics microservice migration.
• ☑ Creating terraform files for each managed application setup .
• ☑ Infrastructure provisioning in OpenStack environment.
• ☑ Cassandra Data repair (Nodetool)
• ☑ Cassandra Server Upgradation.
• ☑ Monitoring and troubleshooting of Cassandra DB.
• ☑ Log Analysis using Splunk.
• ☑ Monitoring using Splunk queries and Splunk Dashboard.
• ☑ Certificate Provisioning for Application running on AWS in sync with Digicert.
• ☑ Part of internal technical interview member and Onboarding and guiding them to the Team.
• ☑ CICD pipe and deployment gateway owner for the application to be get deployed.
• ☑ Oncall member.
• ☑ Automation of day to day work using python programming.
• ☑ Application Troubleshooting.
• ☑ Infrastructure Resource Troubleshooting.
• ☑ Working with team member on DDOS protection design for static and failover pages.
• ☑ Sync with upstream and downstream team for the application upgradation / Migration.
• ☑ Controlled DC down/recovery testing with key matrix Monitoring.

Jun 2018 – Sep 2022 · 4 yrs 3 mos · Bangalore · Remote

• Roles and Responsibility:
• ☑ Migration of onprem microservice to Azure Cloud.
• ☑ haproxy LB configuration for the for the cloud service micro service migration.
• ☑ Cassndra repair using Nodetool.
• ☑ Creating Grafanna Dashboard with the matrix.
• ☑ Prometheus Monitoring implementation.
• ☑ Certificate request/rotation using Digicert. ( Production and Non-prod)

Jan 2018 – Apr 2018 · 3 mos · Bengaluru, Karnataka, India · Hybrid

• Roles and Responsibility:
• ☑ Training on How email links need to be validate.
• ☑ McAfee email Security design and implementation training.
• ☑ Creating Dockerfile and building image with the email-security application bundling.

Nov 2017 – Dec 2017 · 1 mo · Hybrid

• Roles and Responsibility:
• ☑ Set up a 16 member of SRE Team (with very unique and complex tech stack) from the scratch, for across globe team member).
• ☑ Was in the interview panel from India taking the 1st round of the interviews and the once I selected were never rejected in the subsequent interview schedules with rest of the team back in Massachusetts team.
• ☑ Worked Application dependency check for the Migration of Monolithic Infrastructure to Micro-services (Docker) infrastructure.
• ☑ Mentoring the new team member along with team project work.
• ☑ Managing Jira tickets across new team members and guiding on the project work.

Jun 2015 – Nov 2017 · 2 yrs 5 mos · Hybrid

• Roles and Responsibility:
• ☑ Building Monolithic Infrastructure to Microservices (Docker) infrastructure.
• ☑ Deployment of ElasticSearch And Monitoring of ElasticSearch DB.
• ☑ Certificate Rotation Automation, as CSR request and Monitoring of the Certificate Expiration automation.
• ☑ Understanding of the URL re-write of Apache, to check and configure the the service request from Proxy servers to related backend Application Servers.
• ☑ Debugging of Application using Web browser developer-tools.

Aug 2014 – Jun 2015 · 10 mos · Hybrid

• Roles and Responsibility:
• ☑ Deployment of Multiple Applications to Akamai Portal.
• ☑ Database Password Rotation and coordination with Oracle DBA team for multiple environment.
• ☑ Updating and Managing of SOX based Application Password (Salesforce / Mulesoft ) Authentication Rotation for the multiple environment, making sure the Rotation works fine across a lots of application.
• ☑ Streamline these Rotation ( Need to update multiple Application properties files) Using Python Scripts.

Dec 2011 – Aug 2014 · 2 yrs 8 mos · Bangalore, India · Hybrid

• Roles and Responsibility:
• ☑ Implementing multiple AWS Cloud services for the organisation.
• ☑ Further update of the AWS cloud services using python BOTO.
• ☑ Deployment of Hadoop Infrastructure.
• ☑ Deployment of Zookeeper Infrastructure.
• ☑ Creating custom monitoring for the Applications, along with the big data platform.
• ☑ Worked on Jenkins, Jfrog Artifactory and Mavin CICD pipeline.
• ☑ Upgradation of the golden image based on security and Application dependency.
• ☑ Working with Organization Certificate with Digicert.
• ☑ Setting up Complete Networking of the Organization.
• ☑ Testing of load test of different EC2 instance types for the best suitable of the application deployment.
• ☑ Working with ISP and setting of backup ISP for the organisation.
• ☑ Deployment of BigData, Java and PHP Application.
• ☑ Setting up Monitoring for BigData Batch Jobs.
• Achievement:
• ☑ Complete implementation of Monitoring using Nagios.
• ☑ Setting up of the AWS Cloud infrastructure using AWS GUI, AWS CLI and AWS API using Python BOTO.

Aug 2010 – Dec 2011 · 1 yr 4 mos · Bangalore · On-site

• Roles and Responsibility:
• ☑ Making sure the Yahoo Entertainment properties should be up and running and meet the SLA.
• ☑ Writing Monitoring scripts for checking system matrix and Application status.
• ☑ Setting up the Jenkins CICD for the deployment of the application.
• ☑ Working on Oncall making sure the Application meet the SLA.
• ☑ Doing the Application performance Monitoring.
• Achievement:
• ☑ Setting up Nagios Monitoring infrastructure and Managing the monitoring system.

Dec 2008 – Jun 2010 · 1 yr 6 mos · Hyderabad · On-site

• Roles and Responsibility:
• ☑ Making sure the amazon.com and its related sites should be up and running.
• ☑ Monitoring the fleet of server of around 20000 servers across multiple DCs.
• ☑ Benchmarking and Load testing of Applications for checking the application performance and memory bugs.
• ☑ Writing scripts for checking few application related matrix.
• ☑ Setting of Deployment pipeline.
• ☑ Owning the Deployment pipeline to validate and deploy of any application and fixing any deployment,
• ☑ Oncall rotation process.
• ☑ Alert creation.
• ☑ Infrastructure resources Dashboard creation.
• ☑ Application resources Dashboard creation.
• ☑ Monitoring of Infrastructures.
• ☑ Monitoring of Applications.
• Achievement:
• ☑ Certificate Rotation Failover over process.
• ☑ Automation of Cert Check and requesting of CSR filling and deployment of the new Cert to trust-store and key-store using bash scripts.
• ☑ Application and infrastructure log analysis for troubleshooting.

Jul 2007 – Dec 2008 · 1 yr 5 mos · Bangalore · On-site

• Roles and Responsibility:
• ☑ Writing bash scripts to monitor system matrix.
• ☑ Implementing bash script to update the cron files to monitor system resources.
• ☑ Troubleshooting of linux servers with disk spaces, RAM, High CPU usages.
• ☑ Deploying Java application on linux server and doing initial troubleshooting of these java application with going through application logs and working with DEV team.
• ☑ Deploying of Oracle Database server on remote server with "x-server."
• ☑ Backing up and restoring of Configuration files.
• ☑ Configuring the updating of Application Configuration files.
• ☑ Working on application (BEA Weblogic) server to deploy the java application.
• ☑ Updating JNDI paths and tacking care of communication of these details between different team(dev) and java application and database connectivity Check.
• ☑ Introduction to basic SQL commands and understanding of Mysql and Oracle Database.
• ☑ Working with Apache HTTP servers for checking access logs for further application troubleshooting.
• Achievement:
• ☑ Regex bash script writing to grep through the logs which helped on troubleshooting of Application and System issues.

Nov 2005 – Jul 2007 · 1 yr 8 mos · Bangalore · On-site

• Roles and Responsibility:
• ☑ Patching/Upgrading Linux and Windows Servers
• ☑ Setting up TFTP server and Did the network installation
• ☑ Configuring Research system (client) with SVN/CSV Version Control system.
• ☑ Initial troubleshooting of Linux slowness and performance.
• ☑ Worked on New Research Lab setup and with security protocols as per guideline.
• ☑ Writing Bash Script with menu driven for day to day system configurations. (Example: Creating a Samba sharing folder script.)
• ☑ Backing up date with NetBackup.
• ☑ Installation and configuration of multiple destro of linux. ( Redhat, Ubuntu)
• ☑ Using of different packaging system. (RPM, APT, YUM)
• Achievement:
• ☑ A Secure email communication. As an request from the client, The email communication between the research lab team and a external client email need to be secure. But with in the Lab, we have multiple team members that should be able to read response the secure email. Used "GPG" for this task.

Nov 2004 – Oct 2005 · 11 mos · Bangalore Urban, Karnataka, India · On-site

• Roles and Responsibility:
• ☑ Procurement of the server from vendor.
• ☑ Deploying and configuring the linux server.
• ☑ Configuring of Network for the development servers.
• ☑ Setting up of DNS Server.
• ☑ Setting up the DHCP Server.
• ☑ Setting up the NTP server.
• ☑ Installing of Oracle ERP for further testing.
• ☑ Updating and Upgrading of Linux server.
• Achievements:
• ☑ Working with "limited resources". I have Configured different network for each environment (Dev / QA) for not to share the internet. And have configured a linux server as router for routing traffic between These environments.