About

Work Experience

• DevOps Architect/ Sr Staff Engineer, Nielsen Media Research

  Sep, 2024 - Present

  Managing cloud native platform for onboarding big data workloads for Multi tenants over AWS cloud.

  • Help teams onboarding to Multi-tenant Platform (Kubernetes as a Service) that runs hierarchical namespace controller for tenant isolation.

  • Managing observability pipeline called Manta for tenants onboarding using gitlab pipeline with custom onboarding api for basic scaffolding along with prometheus-stack components and custom controller built for thanos service discovery.

  • Performing Day 2 operations on platform components like terraform modules upgrades, cluster version upgrades, node patching, certificates rotations for mTLS and maintaining scripts (bash, python, go) for housekeeping.

  • Ongoing KT sessions for Airflow DAGs, Spark operator running on Kubernetes, Kafka, Trino (Query as a Service) for big data workloads.

• Principal Member of Technical Staff, Oracle

  May, 2022 - Sep, 20242 years 4 months

  Help building cloud native platform for onboarding oracle fusion applications over Oracle cloud infrastructure and kubernetes.

  • Designing the highly scalable self service opinionated multi-tenant platform on oracle cloud infrastructure, as the primary control plane component using openapi schema specifications for custom resources with other cncf graduated tools.

  • Building internal platform infrastructure componenets using Temporal Workflows using Go-lang SDK+Terraform modules as management plane on oci as custom controllers creating multiple interconnected resources such as (VCN, Private Endpoints,OKE cluster, Multi Nodegroup support with cluster-autoscaler, Load Balancers, DNS) along with custom controller for helm applications workloads other operators deployments with dependencies versioning support.

  • Setup routing plane components artifacts kustomize, helm charts for ingress, load balancers, linkerd service mesh for mTLS, cert-manager, calico for network policies other data plane components opa engine, gatekeeper for guard rails on oracle kubernetes engine.

  • Setup observability pipelines on data plane with open telemetry collector using prometheus, loki, tempo, mimir, thanos, Grafana for log, metrics and tracing.

  • Part of geophrically distributed team using scrum framework to build and deploy platform components for monthly cadence releases with code-reviews and automated testing frameworks on YAML schema reference for OCI Pipelines

  • Providing on-call support for multiple dev teams to onbaord and troubleshooting failed applications and services.

  • Maintaining playbooks and documentation, housekeeping of platform components kubernetes ami, versions, nodes, certificates rotations using bash shell scripting, python and go sdks.

• Design Specialist, British Telecom

  Mar, 2020 - Mar, 20222 years

  Help building CI Platform for Oracle Fusion, application migration on AWS and Kubernetes.

  • Designed automation framework for Oracle Fusion suite applications using shared libraries for Jenkins Pipelines, Maven assembly plugin, HP UFT, SonarQube, Nexus, and Python WLST for powering multiple deployments every day to keep quality and velocity.

  • Integrated DB Versioning tool Flyway for Oracle, MySQL database patches across all environments

  • Helped to evangelize the Git flow model across teams and drive its adoption.

  • Lead the implementation of Infrastructure-As-Code (Terraform, helm charts, Ansible playbooks) wherever possible using TDD framework and Lean Practices

  • Participated in the Lookout migration of critical workloads hosted both on-Prem VM's, Oracle Linux Container Services(Kubernetes Clusters) to Amazon hybrid cloud services which allowed for our consumer product to have zero downtime and function within the cloud.

  • Built a user-friendly interface for microservices on-Boarding using GitOps pipelines that concealed the complexity of the underlying Kubernetes platform and allowed for baked-in best practices and enforcement of security policies.

  • Experience with log shipping and data parsing/enrichment; log streaming pipeline; centralize log management repository and search; data visualizations; alerting.

  • Owned applications forecasting and planning infrastructure requirements using Kubecost, Hygieia DevOps Metrics dashboard.

  • Use of ServiceNow and Kanban for incident management, change control and task management.

• Lead Technology, Nagarro

  Jan, 2018 - Mar, 20202 years 2 months

  Lead Engineer - Application lifecycle Management

  • Implement Git branching strategies for multiple microservices for release management.

  • SonarQube and Nightwatch to keep quality and velocity

  • Lead the implementation of secure cloud architecture best practices & Pioneered Infrastructure-As-Code wherever possible

  • Deployed from zero full AWS infrastructure utilizing EKS for development and production clusters. Secured the system in order to be compliant with GDPR and HIPAA. Utilized Gitlab CI and Helm Charts for continues delivery and releases. Supported HA RDS clusters with read-replicas for zero-downtime database access.

  • Automated the entire incident process including alerting, documenting and recording of all incidents using Slack, Pagerduty, Jira and Dynatrace.

  • Own the reliability of production systems across development and production environments in US, EU and APAC.

  • Responsible Secrets management using AWS secrets manager integrated with our CI/CD pipeline along with being used by all services for secure transportation of secrets and Okta as IDP provider.

• Senior Consultant, Thoughtworks

  Jul, 2017 - Dec, 20175 months

  DevOps Consultant - World's Largest Financial Services Company

  • Infrastructure as Code practice on AWS using terraform.

  • Migrated Microservices to treadmill (Morgan Stanley Kubernetes distribution).

  • Supporting development teams with microservices development.

  • Actively involved and hands-on in writing infrastructure tools and services for internal teams in Python, and Bash

• Lead Engineer, Samsung R&D Institute, Delhi

  Sep, 2016 - Jul, 20179 months

  SRE - Managing High volume traffic application for Smart TV division

  • Managed High traffic application hosted on AWS across five geographies using configuration management tool ansible, created ansible playbooks.

  • Setting up CI platform for Bigdata Scala apps and integrated those with Fisheye and Crucible for code reviews.

  • Maintaining fleet of Big Data Platform Kafka, Zookeeper, Cassandra, Hadoop, Solr, Redis.

  • Secured all Lookout AWS accounts using a AWS lambda, CloudTrail and Config.

• Associate Lead Technology, Nagarro

  Oct, 2015 - Sep, 201610 months

  Migration - Migration of SAP Hybris Platform to AWS Cloud and CI

  • Infra Provisioning using Cloudformation templates with Custom function Resources using AWS Lambda functions

  • Migration of SAP Hybris build Pipeline from Atlassian Stack to OSS Platform Jenkins, Sonar, Nexus and deployments through AWS Code Deploy with Autoscaling Lifecycle hooks for Deployments for Hybris.

  • Stream Application logs using Fluentd ingestion Layer syslog to splunk.

  • Setup Globally distributed CDN for static assets delivery

• Senior Software Engineer, hCentive acquired by Optum (a UnitedHealth Group company)

  Jul, 2014 - Oct, 20151 year 3 months

  Build and Release Eningeer

  • Migration of code repository from svn to hosted git.

  • Creating a fully Automated Build and Deployment Platform and coordinating code builds, promotions and orchestrated deployments.

  • Managing Chef Cookbooks Recipes Roles, environments using version control, Berkshelf and developed test framework with kitchen for audit cookbooks InSpec compliance for developer’s wrapper cookbooks.

• Software Engineer, ST Microelectronics

  Oct, 2012 - Jun, 20141 year 9 months

  Application Release to Production Team

  • Managing Oracle Middleware Tuxedo Environment using IBM Tivoli workload scheduler.

  • Application lifecycle Management.

  • Helped developing teams onboarding new applications on self managed cloud.

• Sr Analyst, HCL Technologies Ltd

  Dec, 2010 - Sep, 20121 year 9 months

  Cloud Infrastructure Engineer

  • Managed Service Provider for Infra as a Service using CA 3tera Applogic hybrid cloud.

  • Server patching of linux servers using BMC Automation suite bladelogic with help of shell,python scripts.

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