Krishna Pinnamaraju

About

· Certified AWS- Solutions Architect Associate with expertise in administration of AWS Cloud Services for Infrastructure Development and Operations involving EC2, ELASTIC BEAN STACK (EBS), S3, VPC, RDS, SES, ELB, Auto scaling, Cloud Front, Cloud Formation, Elastic ache, Cloud Watch, SNS, Kinesis, Lambda, Cloud Watch, Cloud trail and security groups. · Expertise in AWS-DevOps platform building and deploying applications by using Code Commit, Code Pipeline, Code Build, Code Deploy, EC2, ECS, AWS CLI, and created platform for Chef OpsWorks with reusable stack. · Expertise in writing AWS Cloud Formation templates in JSON to use them as blueprints for building & deploying multiple AWS resources. Worked on Kinesis Data Streams and integrated with AWS Lambda for serverless data collection · Certified DevOps Engineer – Expert and Azure Administrator - Associate worked on Azure Web Apps, Azure App Services, Azure Virtual Network, Azure SQL Database, Azure Fabric controller, Azure Search, Azure Batch, Azure Autoscale, Azure Files Azure Blobs, Azure Queues, Azure Tables, Azure Data Lake Storage, and Azure Notification Hub. · Configured deployment with Azure Iaas, Paas services and also Azure Resources like Azure VM’s, Azure Storage Account, Virtual Account, Subnet along with Data pipelines using ARM Templates and Azure DevOps. · “DevSecOps Security by Design” Plan & Guidelines for Infrastructure & Applications · Proficient in implementing Azure Hybrid integration to integrate the applications, data and processes using API's. Worked with Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling. And Migrated existing Active Directory and Exchanged users to Microsoft Azure AD using Azure AD Connect, Active Directory Federation Service · Worked with AWS SDK CLI, Google cloud SDK CLI and Azure CLI · Proficient in troubleshooting the Kubernetes Pod logs, Kube2IAM logs and debugging pod restart and CrashLoopBackoff issues and resolving them. Worked on building, migrating and integration of Istio to automate application network functions. · Extensively involved in setting up Kubernetes (k8s) clusters (EKS) for running microservices and implemented a Kubernetes Container Orchestration solution within AWS allowing for easy management, creation & recovery of AWS assets and managed the container using Docker, set up the automated build on Docker Hub and run multiple applications. · Experienced in deployment of Kubernetes to scale up pods, maintaining services, load balancing, network policies, group Docker containers across different platform and managed entire package with Helm charts. · Experienced in Bluegreen Deployment and Canary Deployment, Octopus deployment in the production. Managed docker service rolling updates using these deployments to implement zero downtime PROD deployments · Extensively deployed Restful APIs and microservices using spring on Azure Kubernetes by using Azure Kubernetes service (AKS), Ingress API Gateway, MySQL, SQL Databases and Cosmo DB for stateless storage of external data, and setup reverse proxy Nginx servers and encrypting with SSL and TLS. · Experienced in creating additional Docker Slave Nodes for Jenkins using custom Docker Images and Worked on all major components of Docker like Docker Daemon, Hub, Images, Registry, Docker Swarm, configured docker containers with port and volume mapping. · Experience in working on cloud AWS cloud EC2, S3, RDS, Load Balancer, Auto Scaling with AWS command line interface and AWS PYTHON SDK. · Performed automation tasks on various Docker components like Docker Hub, Docker Engine, Docker Machine and Docker Registry for creating the Docker images in Docker Hub for creating the custom based deployments. · Highly efficient in configuring and directing continuous delivery with Docker connected to Jenkins on virtual machines to build and integrate testing jobs while codes triggered from GitHub. · Expert in Terraform to reliably version and create infrastructure on Azure/AWS. Created resources using Azure/AWS Terraform modules and automated infrastructure management and experienced with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation. · Proficient in developing several Terraform modules for infrastructure management, terraform scripts to setup AWS resources EKS, VPC, EC2, AMI, Images, Redshift cluster, ELB, and automate the deployment & infrastructure. · Extensive experience in installing, configuring, and administrating Jenkins CI tool on Linux machines. Worked on setting up the Jenkins CI/CD pipeline configurations for all the microservices build docker images and publish to the Docker registry and then deployed to Kubernetes, created Pods and managed using Kubernetes. · Expert in configuring and managed source code using GIT and resolved code merging conflicts in collaboration with application developers and provided a consistent environment and implemented Continuous Integration using Jenkins and GIT. Configured GIT with Jenkins and schedule jobs using POLL SCM option and integrated to automate the code checkout process. · Expertise in using Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change. · Extensive experience in writing Ansible Playbooks with Python SSH as the Wrapper to manage Configurations of Azure Nodes and Test Playbooks on Azure instances using Python SDK and Automated various infrastructure activities like continuous deployment, application server setup, stack monitoring using Ansible playbooks. · Experienced in working with Chef servers, worker nodes, bootstrapping and Chef nodes for configuration management; also proficient in creating Chef Templates, Recipes, Cookbooks, Resources, Roles, Attributes & Data bags. · Implemented new deployment strategies for Prometheus and Grafana. Knowledge on monitoring application services using Prometheus and Grafana for Kubernetes clusters, also created alerts based on nodes, pods, containers and services. · Involved in building and deploying Java code through Jenkins and done Code coverage analysis using SonarQube. Run quality checks using SonarQube & uploaded it to Nexus repository. Improved monitoring with Nagios and custom plugins. Developed utilities in Perl, including templates and configurations for Nagios and basic system configuration. Deployed and maintained deployments in clustering and high availability scenarios. Implemented scripting tools - Ruby as Chef DSL and Shell Scripting and on monitoring tools – Nagios and Splunk · Experienced in working with Nginx, Apache, Tomcat web servers in the clusters in various operating systems such as Linux/Ubuntu and Windows systems. Troubleshooting Linux/Ubuntu servers and network related issues using log Configured NIC bonding/NIC Teaming configuration in Linux/UNIX/Windows systems to increase the performance based on the requirement by the application., LAMP and LDAP. · Experienced in designing, developing and administrating transactional and analytical data structures and business reports from legacy to AWS and snowflake.

Skills & Expertise (17)