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Sai Vamsi Chennupati - Devops Engineer

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Location: Remote, Remote, USA

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Sai Vamsi Chennupati Devops Engineer 913 742 2025 [email protected] www.linkedin.com/in/saic16 SUMMARY: Experienced Software Engineer in DevOps, Cloud Technologies, API development and Data specialization with around 9 years of IT experience, proficient in a wide variety of tools and leveraged them to extract actionable insights for improving the business processes and driving growth. TECHNICAL SKILLS: Programming Languages PHP, Core Java, Basics of Python, C, C# Web Technologies and scripting languages HTML5/CSS3, basics of JavaScript, JSON, XML, YAML, Shell Script, VB macros and PowerShell script IDEs Eclipse, VS Code, IntelliJ IDEA Cloud Environments Amazon Web Services (AWS), Microsoft Azure Cloud services AWS: EC2, VPC, Cloud Formation, Lambda, RDS, Redshift, Database Migration service, ELB, EKS, Fargate, EMR, EBS, AMI, SNS, ELK, Route53, API Gateway, Cloud Watch, Cloud Front, Auto scaling, OpenSearch and Elasticsearch, IAM, S3, Glacier, Security groups, Datalake, ElastiCache, Kinesis, Aurora, Code Commit, Code Deploy, Code Build. Azure: ADO, Virtual Machines, AKS, Blob storage, Repos, Pipelines, Boards, Artifacts, Cosmos DB, Active Directory, Content Delivery Network, API Management, Backups, VNET s, Subnets, Datalake, Key Vaults, Load balancer, NSG. Tools/Utilities Jenkins, Maven, Ansible, Terraform, Docker, Kubernetes, Qlik-sense, Tableau, ELK, Snowflakes, Basics of Hadoop, Jira, ADO, PyCharm. Database Oracle, MySQL, SQL Server, MongoDB, DynamoDB. Monitoring Tools Splunk, Dynatrace, Moogsoft, Azure Monitoring, App insights, Datadog Application Server Apache Tomcat, Nginix SCM Git, SVN Artifactory JFrog, Nexus. Methodologies Agile, Waterfall Operating Systems Windows XP/7/10, Ubuntu, Linux Major Academic Projects: Project Idea: Event Management Systems | Period: Jan 2022 Apr 2022 As part of this project, we have developed the all-in-one event planning web page that makes clients handle things simpler as ever by planning, organizing, and create virtual, in person and exceptional hybrid event experiences. Clients are offered events for multiple occasions like Weddings, Birthday parties, cocktail parties, Dining and Special Events and VIP services. Main pages and the keys functionalities Implemented: 1. Home: Home page includes header section, content, and a footer section. Header consists of background image of the project and navigation to all the remaining pages. It also displays current date and time, which has been developed using JavaScript. 2. Get Quote: Get quote page offers users to get the price estimate by providing basic details like Event type, Category, and number of attendees. This functionality is developed using HTML, PHP, and MySQL. 3. Event Registration: Event Registration page helps users to schedule an event by providing the details such as username, Contact, email id, event type, category, Address, and event date. This functionality was developed using HTML, PHP, MySQL. Technologies and Tools: PHP, HTML5, CSS3, JavaScript and MYSQL Professional Experience: Senior Application, DevOps, and Cloud Developer | Western Union Austin, Texas | from Jan 2023 to Till Now Developed 3 Rest APIs to transform the existing core money transfer process and use these newly developed services to perform the core money transfer functionalities. Well trained in understanding Enterprise Reference Architecture and Designed and developed common libraries and services which are utilized by application teams. Prepared reference architectures for cloud-based applications and written code to implement the reference architecture. Prepared production pipelines for deployment of software to various environments. Implemented messaging system using Kafka producer and consumer. Involved in migration of DevOps 1.0 activities to DevOps 2.0 and implementing them to various java services in production. Created all the required infrastructure needed to host a Java service end-to-end in AWS cloud, right from ECS Fargate cluster creation to service hosting. Automated pipelines to create a task definition and attach this to tasks needed to start the actual backend services. Configured internal and external F5 s, API Gateways rules to route the incoming requests from external F5 to backend services via API gateway. Created common Route 53 endpoints, load balancer and auto scaling rules to route the traffic based on the incoming traffic. Worked on One-way and bi-directional replication in Postgres SQL using Pglogical admin extension. Configured load balancer target groups and routed the traffic from external F5 to API Gateway and then to respective load balancer target groups via the Route 53 hosts. Contributed in the automating the development of docker deployers (Fargate update and Fargate docker deploy et all) needed to build and deploy various java services using Groovy and Ansible. Automated various tasks in CI and CD pipelines using Ansible playbooks and Groovy scripting. Resolved multiple deployment issues using Cloud watch logs for most of the applications deployed in lower and production environments. Expertise in resolving the build and deployment issues that are encountered across the ecosystem. Created a new pipeline for run time integration of Dynatrace side car and other customized side car agents to the services/tasks that are already in AWS Cloud. Deployed applications to AWS ECS Fargate, EKS and EC2 instances and deployed and hosted various static applications to AWS S3 buckets. Onboarded multiple services to OpenSearch, installed Dynatrace One agent on multiple services. Contributed to build ELK and new OpenSearch architecture (Elastic Search, Logstash and Kibana) and migrated Elastic Search to OpenSearch. Technologies & Tools: Agile Methodology, Java, Spring Boot, Microservices, SonarQube, Jenkins, CloudBees, Mule connectors, Tibco Business events, Kafka, JIRA, IntelliJ IDEA, Ansible, AWS Core, API Gateway, Route 53, Load balancers, ECS Fargate, Docker deployers, Docker, Jenkins, CloudBees, Spinnaker, EC2, S3, Kafka, Checkmarx, HTML, CSS, Java Script, ELK, OpenSearch and Dynatrace, Ansible and Groovy. Cloud Engineer -IV | Charter Communications Dever, Colorado| Dec 2022 Jan 2023 Developed AWS Cloud Formation templates to create custom sized VPC, Subnets, EC2 instances, ELB and security groups and created AWS Service catalog products for application teams to consume. Triggering CloudWatch alarms and specified thresholds with metrics and notified by creating subscribers in SNS. Configured CI & CD setup using AWS Code Build and Code deploy to deploy services like Lambda, EMR, EKS and in- parallel automated deployments of few other AWS services like ECS, EC2 using Jenkins. Worked on Relational and Non-relational-NOSQL databases such as Oracle SQL, My SQL, Cassandra, MongoDB. Deployed multiple Java applications in Production environments without any issues. Implemented Memory DB Redis Cluster which is an Amazon Proprietary for Redis after doing lot of analysis on performance comparison based on parameters such as network in/outs, Response times, other CloudWatch predefined metrics. Deployed multiple Java applications in Production environments without any issues. Created monitors, alarms, and Dashboards in DataDog, Splunk to monitor Infrastructure and services of the hosted applications. Provided on-call support to resolve Infrastructure and Application related issues. Configured internal and external F5 s, API Gateways rules to route the incoming requests from external F5 to backend services via API gateway. Created common Route 53 endpoints, load balancer and auto scaling rules to route the traffic based on the incoming traffic. Resolved various major alerts that are related to MongoDB, Cassandra DBs connected to our backend services. Automated various infrastructure creations such as Redis Cluster, Memory DB cluster, other infra through Terraform modules. Configured AWS SSM agent across all the applications where infrastructure is being hosted in AWS. Implemented the concept of keys rotation through IAM roles and policies to get rid of private and public keys. Technologies & Tools: Java, Python, Kubernetes, KOPS Clusters, EC2, VPC, Lambda, AWS Core Services, AWS SSM agent, IAM roles, Redis, Cassandra and Mongo DB, DataDog, Splunk, Shell Scripting, Helm charts, Git lab, Jenkins. Azure DevOps Engineer | Walden University- Baltimore, Maryland | Jan 2022 Dec 2022 Managed Azure Infrastructure- Azure Web Roles, Worker Roles, VM Role, Azure SQL, Azure Storage, Azure AD Licenses, Virtual Machine Backup and Recover from a Recovery Services Vault using Azure PowerShell and Azure Portal. Developed Templates for Azure Infrastructure as code using Terraform to build staging and production environments. Integrated Azure Log Analytics with Azure VMs for monitoring the log files, store them and track the required metrics. Used Terraform as a tool, managed different infrastructure resources in Cloud, VMware, and Docker containers. Deploying windows Kubernetes (K8s) cluster with Azure Container Service (ACS) from Azure CLI and utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test and Octopus Deploy. Using Ansible created multiple playbooks for machine creations and SQL server, cluster server and my SQL installations. Developed Ansible handlers with multiple tasks to trigger multiple handlers and to decouple handlers from their names, making it easier to share handlers among Playbooks and Roles. Managed Kubernetes charts using Helm, Created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages. Implemented Docker -maven-plugin in Maven pom.xml files to build Docker images for all microservices and later used Docker file to build the Docker images from the Java jar files. Worked with Nagios for Azure Active Directory & LDAP and Data consolidation for LDAP users. Monitored system performance using Nagios, maintained Nagios servers, and added new services & servers. Built and managed a highly available monitoring infrastructure to monitor different application servers like JBoss, Apache Tomcat and its components using Nagios. Created recommendations on how to duplicate a subset of on-premises machines to the Azure Infrastructure as a Service (IAAS) offering which will be used for disaster recovery. This analysis included the specifics to synchronize onpremises data with SQL Server and SharePoint instances hosted in VMs. Worked on Serverless services, created and configured HTTP Triggers in the Azure Functions with application insights for monitoring and performing load testing on the applications using the Visual Studio Team Services (VSTS) also called as Azure DevOps Services. Configured Azure Multi-Factor Authentication (MFA) as a part of Azure AD Premium to securely authenticate users and worked on creating custom Azure templates for quick deployments and advanced PowerShell scripting. Deployed Azure SQL DB with GEO Replication, Azure SQL DB Sync to standby database in another region & fail over configurations. Technologies & Tools: Azure, Office 365, Terraform, Maven, Jenkins, Ansible, Azure ARM, Azure AD, Azure Site Recovery, Kubernetes, Python, Ruby, XML, Shell Scripting, PowerShell, Nexus, JFrog Artifactory, Jenkins, Git, Jira, GitHub, Ansible, Docker, Windows Server, TFS, VSTS, LDAP, MFA, SQL DB, Geo Replication, Nagios, Splunk, Dynatrace, CyberArk. DevOps and Cloud Engineer | Infosys |BT group Bangalore, India| Nov 2020 July 2021 Deployed Virtual machines, Blob storage accounts, Cosmoss DB, VNets, Subnets, Redis cache, AKS Clusters, subscriptions in Azure. Created Namespaces, pods and deploying AKS Clusters Applications inside the clusters using Terraform in the form of Infrastructure as code. Developed Azure Repos, building and release deployments Pipelines using Azure for both AKS and Cloud services. Created Infrastructure and Application alerts and monitoring using Splunk, Dynatrace, Azure alerts, Datadog and App Insights. Creation and maintaining of Azure Key vaults for Certificate and Keys management. Troubleshooting Infrastructure alerts and Application alerts for the applications in Production and Non-production. Developed Auto-scaling rules for the servers in Production and Non-Production. Deployed Load balancers to handle the incoming traffic and added sticky sessions to route the incoming traffic to the desired server. Resolved issues in Kubernetes clusters and the applications hosted in it. Integrated Jenkins with various tools like Maven (Build tool), Git (Repository), SonarQube (code verification), Nexus (Artifactory) and implementing CI/CD automation for creating Jenkins pipelines programmatically architecting Jenkins Clusters. Configured Baselines, Branching, Merging, Backup through GIT and Subversion. Automated Infrastructure using PowerShell scripts and Ansible Playbooks. Created Ansible Playbooks to automate Splunk Enterprise installation and BigFix installations across the windows and Linux servers. Enforced automation in build and deployment procedures, executed code builds and deployment activities. Created Jenkins Pipelines for continuous integration, for End-to-End automation of all build, release deployments and deployed Java, Python based applications to different environments using Jenkins. Resolved build issues and merge conflicts and assisted build engineers and developers in doing daily and weekly builds and Designed branching strategy and best practices for Git based collaboration with Developers. Troubleshoot and resolved Pipeline issues, Code fixes in DEV/Test and prod environments for multiple applications. Developed build scripts to build docker images and deployed to application servers via Docker trusted registry. Sound Knowledge in Terraform for building, changing, and versioning of Infrastructure and wrote Templates for Azure infrastructure as a code using Terraform to build staging and production environments. Sound Knowledge on security tools in DevOps known as DevSecOps. Technologies & Tools: Jenkins, CI/CD, GIT, Ansible, PowerShell scripting, YAML, JSON, Java, Docker, Terraform, Azure Pipelines, Core Azure services, Cosmoss DB, Dynatrace, Azure Data factory and storage, Docker, DevSecOps, GIT, Splunk. Software Developer and Cloud Engineer| TCS |British Telecom Hyderabad, India| Jul 2017 Oct 2020 Involved in complete SDLC management Requirements gathering, Design, Analysis, Development, and testing. Implemented TDD (Test Driven Development) for new enhancements to drive the application to minimum defect zone. Implemented modules and data models in Java using Spring and Hibernate framework. Integrated various non-existing functionalities like e-mail triggering in the application to trigger the E-mails. Generated Audit reports using Quartz Job Scheduler. Implemented Maker-Checker functionality for Rules and Rule type workflows. Performed Unit testing by writing test cases using JUnit and reviewed quality of code using SonarQube. Implemented LDAP Authentication for the application. Day-to-Day usage of AWS services such as EC2, VPC, ELB, AMI, SNS, RDS, Route53, Cloud Watch, Cloud Formation, Cloud Front, Auto scaling, IAM, S3 and Glacier. Involved in Complete lifecycle management, provisioning, automation, and AWS security, configure and manage multi-level computer system conditions, adjust infrastructure systems in the cloud. Designed monitoring cost strategies efficiently, disaster recovery management and backups, maintaining data virtue and access control while using the AWS application platform. Contributed to create ELK Architecture, which gather logs from various AWS services such as S3, EC2, Fargate, CloudWatch, API logs through messaging system Kafka. Created visualization dashboards using Kibana to monitor the application performance, container monitoring, verify the health status of applications hosted. Developed AWS Cloud Formation templates to create custom sized VPC, Subnets, EC2 instances, ELB and security groups and created AWS Service catalog products for application teams to consume. Triggering CloudWatch alarms and specified thresholds with metrics and notified by creating subscribers in SNS. Configured CI & CD setup using AWS Code Build and Code deploy to deploy services like Lambda, EMR, EKS and in- parallel automated deployments of few other AWS services like ECS, EC2 using Jenkins. Worked on Relational database configuration and management for Oracle, SQL Server, MySQL and Non- relational-NOSQL databases like DynamoDB, MongoDB. Setting up Dynamic replication between S3 buckets in different accounts. Authored AWS resource access control polices for cross account and same account access. Created and Managed IAM Users/Roles/Policies and user management for delegated users within AWS and set up service control policies on master Account for restricting un-authorized actions for the users. Technologies & Tools: Java, Python, EC2, VPC, Lambda EKS, Fargate, ELK, CloudFormation, Docker, Terraform, Code Build, Code Deploy, RDS, S3, IAM, SNS, RedShift, Jenkins, AWS Architecture. Software Engineer, Business and Data Specialist | TCS |British Telecom- Hyderabad, India | Jan 2015 July 2017 Involved in complete SDLC management Requirements gathering, Design, Analysis, Development, and testing. Developed SQL queries, stored procedures, and views for collection, cleansing and analyzing of data, distributed across multiple systems. ETL Operations, Data preparation, data ingestion, automating dynamic dashboards using Qlik sense and Tableau. Developed PL/SQL stored procedures and executed stored procedures to automate several dashboards. Automated various repetitive tasks in excel using VB macros. Pro-active monitoring and right first time (RFT) Implementation of Ethernet order journey and progression by analyzing and resolving the possible system issues to meet the RFT SLA target. Participated in implementing Database migration designs where Data Warehouse will be the primary MIS. Developed dashboards in MS Excel using pivot tables and VLOOKUP for various service products which gave a clear insight of the product consumption and efficiency. Worked as a Subject Matter Expert to analyze the impact of proposed changes on processes and systems and proposed solutions for resolving conflicts and Worked as a product support associate. Processed data from SharePoint sources and stored it into Oracle database using Python scripts. Monitored, troubleshooted and provided issue resolution for relevant web and application servers. Coordinated all the IT projects successfully by resolving release dependencies. Contributed to new product solution designs by clarifying system and product level details and supported development teams to resolve issues. Actively involved in cross platform trainings and learned concepts of Cloud, DevOps tools and technologies, Micro services, and JavaScript. Technologies & Tools: SQL, PL/SQL, Qlik-sense, Tableau, Python, VB Macros Certifications: AWS certified Solution Architect - Associate level Microsoft certified Azure Fundamentals -AZ 900 DevOps Foundation Certified Business Analysis foundation Certified. PSM 1 Certified Education: Master of Science in computer information systems and Information Technology from University of Central Missouri (UCM), MO (Aug 2011 - Dec 2022 | GPA 3.9) Bachelor of Technology in Chemical Engineering from Jawaharlal Nehru Technological University, India (Aug 2011- May 2015 | GPA -3.75) Awards: Received Best Employee of the year, star of the month, On the sport awards, Service and Commitment Awards from the Implementation partner managers of TCS. Received 4 E-cards (appreciation letters), as recognition of my good work from British Telecom stakeholders. Keywords: cprogramm csharp continuous integration continuous deployment business intelligence sthree database active directory information technology ffive microsoft procedural language Arizona Idaho Missouri