- Improved efficiency of automation framework by adding capability of parallel executions across services.- Built Golang based utility to interact with JIRA, GitHub, and CI system for development workflow automation.- Developed Golang modules to interact with AWS infrastructure for automated service health checks.- Designed an interface to securely access Elasticsearch cluster and index APIs in production environments.- Automated relaunch process for cassandra cluster to reduce relaunch time by 50%.- Redesigned architecture of cassandra cluster for scalability, compliance, and security.- Participated in production incidents to restore the service health and determine preventive response.

- Evaluated feasibility and cost-effectiveness of Azure analytics stack as a substitute for existing data pipeline.- Integrated AWS SageMaker with EMR and wrote python automation for creating the stack.

- Designed service discovery mechanism in Consul benefitting product component integrations and monitoring.- Implemented service-based Consul access control for enhanced security.- Enabled secure access to Consul cluster UI by integrating Amazon load balancer with Okta OIDC.

- Optimized costs by 30% by implementing multi-user Amazon EMR cluster and cloud formation automation.- Assisted professor in designing assignments related to Amazon Elastic MapReduce- Grade assignment and quizzes for the graduate-level course "Data Mining II"- Held office hours for resolving student queries related to AWS and Python

Projects:1. Designing complete DevOps solution for a high-performance ad-tech product involving tracking and reporting website activity for effective customer analytics with expected on an average three billion requests per day.- Containerization of product components and their deployment on kubernetes.- Automation of kubernetes cluster deployment with kubespray.- Administering Google Cloud account for customer. Setting up various cost optimization and security compliance policies.- Designing product architecture regarding interaction with Google Cloud services like BigTable, BigQuery, Cloud Storage.- Configuring Cloud CDN for static content.- Setting up highly available clusters for Aerospike and Kafka.- CI/CD pipeline for product components using Jenkins.- Configuring infrastructure and container level monitoring solution using Prometheus.- Setting up stackdriver monitoring for application logs.- Python scripts related to Google Cloud services and database backup/restore.- Tuning up Nginx for better performance behind Google Load Balancer resulting into reducing error rate for requests to 0.0001%.- Terraform code for setting up NAT Gateway and SSH Bastion on Google Cloud.2. Providing CI/CD pipeline for advanced, extensible, and centralized security product with configuration management using chef and deployment of product stack on AWS with features like high availability, autoscaling, and load balancing and consideration of two million number of clients.- Design CI/CD pipeline using TeamCity along with code review system using git and Gerrit resulting in shortening the release cycle by 50%.- Writing configuration management code for various product component using chef.- Writing chef code for third-party applications like postfix, new relic infra agent, samba server, and databases like MongoDB, MSSQL Server.- Configuring Amazon Elastic Search for log aggregation.- Designing and implementing backup and restore strategy for all the components.

Projects:1. OpenStack based Private Cloud: Deploying fully operational OpenStack based cloud with functionalities like high availability, tenant-specific billing, multi-domain AD integration, and timely upgrades.- Designing architecture for the cloud with consideration of high availability.- Deployment of fully functional OpenStack based cloud. Configuring various OpenStack services along with third-party dependencies such as RabbitMQ, Memcached, MySQL.- Integrating Ceph storage as backend for block storage and object storage.- Configuring AD logins with support to multiple domains.- Implementing monitoring solution using Zabbix.- Python automation scripts for various tasks such as user provisioning and initial account setup.- Automation for deployment using Ansible.- Designing and integrating billing solution for the cloud in python.2. DevOps solution for Real-time bidding application- Designing DevOps solution for QA and staging environments of product.- Implementing complete CI and CD pipeline for product components and automate deployments using Jenkins.- Python script for launching instances on the proprietary cloud using OpenStack APIs.- Python script for backup/restore of MongoDB.- Containerization of product components and deployment using Docker.- Configuring federated authentication for SSO on OpenStack based proprietary public cloud.3. Configuration Management solution for Video streaming product- Writing puppet modules for various product components.- Integrating the puppet modules in the existing deployment process.- Maintaining deployment environment specific variables in puppet code using hiera.- Setting up CI/CD in Jenkins for testing across various deployment profiles.POCs:1. A container-based solution for Aerospike cluster using Docker, Mesos, and Marathon.2. Python Module for providing access control over Xen Hypervisor using XCP-XAPI.