Sai Krishna S

Sai Krishna S Email and Phone Number

Senior Cloud and DevOps Engineer @ Walgreens Boots Alliance
Kansas City, MO, US
Sai Krishna S's Location
Leawood, Kansas, United States, United States
About Sai Krishna S

Certified Sr. Cloud/ DevOps Engineer with 8+ years of IT experience and proficient in Build and Release Management, System/Network Administration, Continuous Integration (CI) and Continuous Deployment (CD), Configuration Management, Containerization and Orchestration tools on multiple cloud platforms such as Microsoft Azure, Amazon Web Services (AWS). And experienced in all aspects of the software development life - cycle (SDLC) and have strong knowledge of Agile and Scrum.

Sai Krishna S's Current Company Details
Walgreens Boots Alliance

Walgreens Boots Alliance

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Senior Cloud and DevOps Engineer
Kansas City, MO, US
Employees:
10
Sai Krishna S Work Experience Details
  • Walgreens Boots Alliance
    Senior Cloud And Devops Engineer
    Walgreens Boots Alliance
    Kansas City, Mo, Us
  • Nationwide
    Sr. Cloud/Devops Engineer
    Nationwide Jan 2022 - Present
    Us
    • Responsible for utilizing appropriate Azure Services based on data, compute, and security requirements and Support Azure SDKs to interact with Azure services from an application.• Designed and configuring Azure Virtual networks, subnets, DHCP address blocks, Azure network settings, DNS settings, security policies, and routing. Deployed Azure Cloud services and Virtual machines into Virtual networks and Subnet.• Developed a prototype Azure Data Lake application that accesses third-party data services via Web Services and dynamically scales, automatically adds, and removes cloud-based compute, network resources, and based on workloads.• Implemented Azure virtual machines for security requirements as software-based appliance functions (firewall, WAN optimization, and intrusion detections).• Migrated on-premises to Microsoft Azure by building Azure disaster recovery environment, Azure recovery vault, and Azure backups from the scratch using Power-shell script.• Contributed to the consolidation of all release pipelines into a single release pipeline in AZURE DevOps, by integrating Key Vault , manage keys by generating them and associating them to libraries and variable groups.• Created and implemented Continuous Integration (CI) leverages Azure DevOps technologies across various environments to provide an agile development process that is automated and repeatable, allowing teams to securely release code multiple times per day while ensuring Azure Kubernetes Services (AKS) are supported.• Deployed and optimized two-tier .Net, Python web apps to Azure DevOps CI/CD to focus on development by leveraging services such as Repos to commit codes, Test Plans to unit test, deploy App Service, Azure Application Insight gathers process health, performance, and use statistics, and blob storages.• Worked with Terraform Templates to automate the Azure IaaS virtual machines using terraform modules and deployed virtual machine scale sets in various environments.
  • Cerner Corporation
    Sr. Devops Engineer
    Cerner Corporation Feb 2020 - Dec 2021
    Kansas City, Missouri, Us
    • Performed tasks using windows Azure Services like PaaS, IaaS and worked on Blob storage (Page and Block), SQL Azure as well as deployment, configuration, and Virtualization.• Worked with security teams to ensure Azure data is highly secured and configured BGP routes to enable Azure Express Route connections between on-premises data centers and Azure cloud.• Responsible for storing and maintaining certificates and secrets for Azure APIM and Azure Application Gateway. And created Azure automated assets, Graphical runbooks, PowerShell run books that will automate specific tasks. • Expertise in deploying Azure AD connect, configuring ADFS installation using Azure AD connect by writing PowerShell scripts.• Hands-on experience in provisioning Service Fabric Clusters and Application Gateway using ARM, PowerShell, or Azure Portal which is distributed systems platform to deploy and manage Microservices with high availability.• Migrated data from on-premises SQL Database servers to Azure SQL Database servers by creating Azure Data factory Pipelines with the Azure Data Factory copy tool and Self-Hosted Runtimes.• Set up continuous integration from source control, set up build definitions in Visual Studio Team Services (VSTS), and configured continuous delivery to automate the deployment of ASP.NET MVC applications to Azure websites.• Worked with Version Control, Build & Release Management, and Deployments of the Solutions to the DEV, QA & PROD Environments leveraging Azure DevOps/VSTS concepts/process (CI/CD) and toolsets of Visual Studio, AKS (Azure Kubernetes Service), Application Insights, Log Analytics.• Responsible for creating CI/CD pipelines for .NET, python apps in Azure DevOps by integrating source codes GitHub, VSTS, and artifacts.
  • Fidelity Investments
    Devops Engineer
    Fidelity Investments Jan 2018 - Nov 2019
    Boston, Ma, Us
    • Responsible for deploying Azure IaaS virtual machines (VMs) and Cloud Services (PaaS into instances) Virtual Networks with Azure Internal Load Balancer and subnets.• Setup diagnostics, monitoring, and analytics on Azure using API Management, Logic Apps, and set up documentation using Swagger API, while focusing on scale and resilience for Azure Web Apps.• Executed Azure Active Directory to provide single sign-on access to a group of cloud SaaS services such as Office 365 and Dropbox. In addition, configured Azure Role-based Access Control (RBAC) to separate tasks within our team and allow only required people.• Developed and maintained highly scalable and fault-tolerant multi-tier Azure environments spanning across multiple availability zones using Terraform.• Created Jenkins jobs for continuously building the projects. Scheduled tasks to build upon every check-in into subversion. Wrote Groovy script in Jenkins jobs to do pre-and post-build tasks.• Migrated Jenkins pipeline configuration to Azure Pipelines, and pushed container-based builds and build agents, environment variables of the build pipeline from Jenkins to Azure DevOps.• Created Kubernetes Pods and used Jenkins pipelines to push all Microservice builds to the Docker registry.• Docker-containerized apps were deployed to a Kubernetes cluster managed by Amazon Elastic Container Service for Kubernetes (EKS).• Used Docker to containerize custom web applications and deployed them on EC2 instances through SWARM Cluster and automated application deployment in the cloud using Docker HUB, Docker Swarm, and Vagrant.• Configure ‘kubectl' to interact with Kubernetes infrastructure and created a cluster of worker nodes on Amazon EC2 instances using AWS Cloud Formation Templates (CFT).• From development to production, a consistent environment was provided by Kubernetes for
  • Soft Sol
    Cloud Platform Engineer
    Soft Sol Nov 2016 - Dec 2017
    • Created and managed IAM policies for organizations in the AWS cloud by defining user groups, assign roles, and define rules for role-based access to AWS resources.• Implemented Multi-Factor Authentication (MFA) on external available servers and on AWS Console, Monitoring and alerting leveraging Cloud Watch and Cloud Trail.• Extensively Worked on creating Lambda function to automate snapshot back up on AWS and configure the scheduled backups.• Configured AWS IAM and Security Groups in Public and Private Subnets in VPC, managed IAM accounts (with MFA) and IAM policies to meet security audit & compliance requirements.• Utilized CloudWatch to monitor resources such as EC2, Amazon RDS DB services, EBS volumes, to set alarms for notification or automated actions, and to monitor logs for a better understanding and operation of the system.• Developed shell script which can automate the process that can check disk usage and perform cleanup of file systems on LINUX environments regularly.• Worked on Linux server virtualization by creating Linux VMs for server consolidations.• Implemented continuous integration and formal builds using Bamboo with Artifactory repository.• Created and maintained Continuous Integration (CI) using Bamboo over different environments to facilitate an Agile development process.• Used GIT version control to manage the source code and integrated with Jenkins to support build automation.• Worked with Chef Server, workstations, Nodes, configurations of chef-client and written cookbooks and recipes for Chef and assigned roles to nodes.• Developed custom scripts using Python to automate the deployment process, task scheduling, and Systems backups for RHEL.• Automated the entire process of Build, Release, and Deployment using ANT.
  • Knoah Solutions
    Configuration Management Engineer
    Knoah Solutions Feb 2016 - Oct 2016
    Las Vegas, Nevada, Us
    • Managed source code using SVN, GIT, GitHub repositories and implemented end-to-end automation for all Maven builds and deployments with Bamboo.• Set up Jenkins’s master/slave nodes and distribute builds on salve nodes using Jenkins, build-pipeline plugin, Maven, and GIT.• Designed and implemented a continuous build-test-deployment (CI/CD) system with multiple component pipelines using Jenkins to support weekly releases based on project needs.• Developed a branching and tagging system to keep the source code in the GIT repository and Using GIT source control, collaborated with developers to define and implement suitable branching, labeling/naming standards.• Managed Web Applications, Config Files, and Database, Commands, Users Mount Points, and Packages using Puppet.• Maintained multiple Modules in Puppet by converting production support scripts to Puppet Manifests to automate the configurations in servers.

Sai Krishna S Skills

Artifactory Yaml Git Sonarqube Subversion Linux Amazon Web Services Maven Nexus Node.js Microsoft Products Atlassian Bamboo Visual Studio Microsoft Azure Virtual Networks Jira Jenkins Nginx Apache Ant Terraform Ansible Gradle Red Hat Linux Powershell Centos Groovy Java Grafana Fedora Docker Products Kubernetes Puppet Bitbucket Aws Lambda Dynatrace Chef Microservices Ubuntu Python Sql Azure Devops Prometheus.io Vsts Azure Data Lake Bash Github

Frequently Asked Questions about Sai Krishna S

What company does Sai Krishna S work for?

Sai Krishna S works for Walgreens Boots Alliance

What is Sai Krishna S's role at the current company?

Sai Krishna S's current role is Senior Cloud and DevOps Engineer.

What skills is Sai Krishna S known for?

Sai Krishna S has skills like Artifactory, Yaml, Git, Sonarqube, Subversion, Linux, Amazon Web Services, Maven, Nexus, Node.js, Microsoft Products, Atlassian Bamboo.

Who are Sai Krishna S's colleagues?

Sai Krishna S's colleagues are Derrick M Kazanjian, Renee Tomko, Mba, Derek Philpot, Msm, Cpfa, Matthew S., Neil Czerwiec, Eric Ruppert, Mark Bowman.

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