Shantan Nimmagadda

: +1-732-***-****

: ad0p24@r.postjobfree.com

www.linkedin.com/in/shantan-n-2b664a280

Professional Summary:

Around 10 years of in-depth experience in automating, configuring, and deploying applications and infrastructure in cloud environments, expertise in DevOps, CI/CD Pipeline, Build and Release Management, AWS/Azure/GCP, and Linux/Windows Administration.

Contributed to the design and deployment of applications using AWS stack, including EC2, Route53, S3, ELB, EBS, VPC, RDS, DynamoDB, SNS, SQS, IAM, KMS, Lambda, EKS, Fargate and Kinesis, with a focus on high availability, fault tolerance, and auto-scaling.

Proficient in AWS CloudFormation, deployment services (OpsWorks and CloudFormation), and security practices (IAM, CloudWatch, CloudTrail).

Experienced in cloud automation using AWS CloudFormation Templates, Chef, and Puppet.

Experienced in configuring and managing Azure networking services (Virtual Networks, Load Balancers, VPN Gateways) for secure and interconnected cloud environments.

Experienced in deploying web applications and creating web jobs. Proficient in Azure Windows Server, Microsoft Visual Studio, Windows PowerShell, and cloud infrastructure.

Proficient in configuring Azure platforms such as Virtual Networks, Multi-Site, Cross-Site, VMs, Azure AD, Load Balancers, Azure SQL, and Cloud Services. Utilized Azure ExpressRoute for on-premises data center integration and Kubernetes for Docker container deployment, scaling, and administration.

Skilled in implementing blog storage solutions (Blob Storage, Azure Files, Azure SQL Database) to ensure efficient data storage and management.

Demonstrated proficiency in Azure AD services for robust security measures and access control. Strong knowledge of Azure DevOps, facilitating CI/CD pipelines for seamless application development and deployment.

Migrated the applications and server instances from on-premises environment to AWS and GCP cloud.

Proficient in Infrastructure as Code (IaC) using Terraform to efficiently provision cloud resources, manage complex infrastructures across multiple providers, leverage Terraform modules for reusability and scalability, and resolve configuration drift to maintain desired infrastructure state.

Proficient in deploying Terraforms infrastructure across multi-cloud environments, ensuring consistent resource management and accurate records.

Skilled in Configuration Management with coordinates teams, maintains version control, and ensures quality assurance using tools like Ansible, Chef and Puppet.

Experience in verifying Open stack environment in Docker Containers tests before upgrading production environment.

Worked with Kubernetes and OpenShift to provide a platform for automating deployment, scaling, and operations of application containers across clusters and managed containerized applications using its nodes.

Extensive experience with Docker and Kubernetes on multiple cloud providers and helped developers to build and containerize their application pipeline (CI/CD) to deploy them on cloud and KOPS for managing K8.

Experienced in working on several Docker components that includes Docker Engine, Hub, Compose and Docker Registry and deployed micro-service apps into containers using ECS (Elastic container service) and handle the Kubernetes cluster.

Created and managed Docker container clusters on the Google Cloud Platform using Kubernetes, Linux, Bash, GIT, and Docker. Utilized Kubernetes and Docker for CI/CD pipeline runtime environment.

Experienced in securing Helm deployments, ensuring sensitive information is handled securely and maintaining deployment integrity. Proficient in utilizing Helm's features like hooks, secrets management, and value overrides to meet specific application requirements.

Proven expertise in successful cloud migration, seamlessly transitioning on-premises infrastructure and applications to various cloud platforms. Skilled in leveraging cloud-native technologies for optimized performance, scalability, and cost-efficiency in cloud-based solutions.

Proficiently experienced in using tools like Ant, Maven, Jenkins, Chef, SVN, GitHub, Tomcat, Linux, configuration management, cloud infrastructure, and automation.

Strong problem-solving skills, capable of addressing GitLab-related challenges and ensuring smooth and efficient software development lifecycles.

Collaborative team player, adept at training and supporting development teams in GitLab adoption and best practices. Adept at integrating GitLab with other DevOps tools and services, enhancing the overall development and deployment ecosystem.

Designing and Implementing CI (Continuous Integration) Configuring Jenkins servers, Jenkins nodes, creating required scripts (Perl & Python), and creating/configuring VMs (Windows/Linux).

Skilled in conducting comprehensive code reviews to ensure adherence to security standards and best practices, using both manual analysis and automated code scanning tools.

Skilled in various scripting languages, such as Python, Bash, PowerShell, Ruby, and JavaScript, to create robust and scalable automation solutions for infrastructure provisioning, configuration management, and deployment processes.

Demonstrated expertise in implementing real-time performance monitoring using tools like Prometheus and Grafana, Splunk, Datadog tools collecting and visualizing metrics on CPU usage, memory utilization, network traffic, application response times, Applications Performance.

Proficient in utilizing Application Performance Monitoring (APM) tools such as New Relic, AppDynamics, for identifying and resolving performance bottlenecks, optimizing resource utilization, and enhancing user experience.

Proficient in Waterfall and Agile methodologies like Scrum and Kanban, managing ceremonies, backlog grooming, sprint planning, and retrospectives. Experience in Agile frameworks, project management, and ticketing technologies like ServiceNow, Bugzilla, and JIRA.

Technical Skills:

Cloud Environments:

AWS, GCP, MS Azure, Open Stack, PCF

Configuration Management Tools:

Ansible, Chef, Puppet, Salt Stack

CI/CD Tools:

Jenkins, Azure DevOps, Octopus Deploy, GitLab, CircleCI.

Containerization Tools:

Docker, Kubernetes

Container Orchestration Platform:

Kubernetes, Docker Swarm, OpenShift, Apache Mesos

Version Control Tools:

Sub Version (SVN), Git, GitHub, GitLab, Bitbucket, TFVC

Build/Automation Tools:

Gradle, Maven, Ant, Dotnet, MS Build, Node

Monitoring Tools:

Nagios, Splunk, CloudWatch, ELK, Datadog, AppDynamics, New Relic

Scripting:

Bash/Shell, Python, Ruby, JSON, PHP

Databases:

Oracle, MySQL, MS SQL, Mongo DB, Dynamo DB, Raven DB

Application Servers:

Apache Tomcat, Apache HTTPD, JBoss, Web Logic, WebSphere

Repository Management tools:

Artifactory, Nexus, Docker Hub, ProGet, Azure Artifacts

Bug/Ticket Tracking Tools:

JIRA, Cherwell, Remedy, Bugzilla, You Track, Tech Deck, Azure Boards

Testing Tools:

Selenium, Junit, Cucumber

Professional Experience:

Client name: Ameriprise Financial, Austin, Texas Oct 2022-Present

Role: Sr. AWS DevOps Engineer

Responsibilities:

Deployed and managed a robust Large Scale Cloud Infrastructure, managing over 250 servers in an AWS environment. Utilized AWS services like EKS, S3, RDS, Redshift, EBS, EC2, ELB, and ALB, achieving 30% cost reduction and 40% improvement in application response times.

Designed event-driven architectures and microservices using serverless computing with AWS Lambda and API Gateway.

Designed AWS Cloud Formation for monitoring, setting alarms, notifications for EC2 hosts and templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.

Migrated on-premises applications to AWS cloud services, encompassing seamless integration of applications with the cloud environment.

As part of continuously delivering Agile team, develop, test, and deploy Data platform features Develop ongoing test automation using chef, Python based framework using Ansible to Setup/teardown of ELK Stack.

Deployed GKE on GCP with the help of Gitlab-Jenkins-Terraform integration.

Integrated Jenkins/Helm/Kubernetes/Vault with GCP to perform semi-automated and automated releases to lower and production environments.

Developed Lambda functions triggered by various AWS events, such as S3 object uploads, DynamoDB updates, or SNS notifications.

Designed VPC peering connections with consideration for latency and performance requirements, choosing optimal routing paths and regions.

Utilized Terraform and Ansible for configuration management and infrastructure provisioning.

Created automated continuous integration, testing, and deployment pipelines using GitHub Actions, and Jenkins.

Designed and executed scalable and reproducible infrastructure deployments using Terraform across multiple environments.

Developed Terraform modules and templates to simplify infrastructure provisioning and promote code reusability.

Provisioned AWS infrastructure resources using JSON/YAML-based CloudFormation templates.

Developed controlled CloudFormation templates for flexible resource configuration during stack formation.

Utilized AWS CloudFormation Designer to create and visualize infrastructure templates.

Built Ansible playbooks and roles to automate the installation and setup of servers, programs, and services.

Integrated Ansible into CI/CD pipelines using GitLab CI/CD for continuous integration and delivery.

Managed Docker images using private registries and Docker Hub for storage and delivery.

Successfully integrated Twistlock into the containerized environment, providing real-time visibility into vulnerabilities, compliance violations, and runtime threats across Docker and Kubernetes.

Developed Kubernetes clusters for container orchestration, deployed them into application, and maintained them functioning.

Used YAML manifests and Helm charts for deploying and managing containerized applications on Kubernetes.

Containerized applications using PCF's container runtime, enabling the adoption of microservices architecture, and providing seamless orchestration and scaling.

Set up Jenkins for automating development, testing, and deployment of applications.

Successfully led and executed end-to-end migration in this project, transferring on-premises infrastructure and applications to AWS cloud environments.

Integrated Jenkins with version control tools like Git to automate builds and deploys.

Performed static code analysis and code vulnerabilities using tools like SonarQube, Fortify, Veracode reviewing codebase for potential security risks and guiding development teams in implementing necessary fixes.

Spearheaded efficient version control by expertly utilizing Git commands and workflows, ensuring seamless collaboration among distributed teams, and enabling swift bug fixes and feature enhancements.

Proficiently managed and maintained Git repositories on platforms like GitLab and Bitbucket, employing advanced branching and merging strategies to ensure code integrity and timely delivery of high-quality software.

Played a pivotal role in project success by diligently maintaining Maven build files (pom.xml), resulting in streamlined project structures, standardized dependencies, and accelerated development cycles.

Optimized build processes through continuous improvement and automation, significantly reducing build times and enhancing overall project stability, resulting in a more efficient and reliable software delivery pipeline.

Utilized Maven's dependency management features to control project dependencies and versioning.

Implemented proactive alerting strategies in AppDynamics to promptly identify and respond to anomalies and performance degradation.

Utilized NewRelic APM to monitor application’s health, diagnose performance issues, and optimize response times for critical transactions.

Designed, implemented, and maintained Splunk infrastructure for log management, analysis, and monitoring.

Developed and improved Splunk search queries and filters for extracting useful information from log data.

Utilized Splunk's alerting and notification features for proactive event detection and response.

Utilized Amazon CloudWatch Logs to collect, store, and analyze application and system logs, aiding in troubleshooting and root cause analysis.

Utilized tools like Docker and Kubernetes to deploy and orchestrate Go-based microservices.

Designed reusable and parameterized phyton scripts to deploy complex architectures, promoting consistency and scalability.

Environment: AWS EC2, S3, RDS, AMI, IAM, Redshift, Lambda, VPC,OWASP, CDC, Chef, Java, Git, Jenkins, Terraform, Python, Linux, Bash, Groovy, Subversion, Rest API, Ant, Maven, Nexus, U-deploy, SQL, Cloud Formation, Golang, Azure, OpenShift, Cassandra, Subversion, Selenium, UNIX, SVN, Docker, Jira, Python, Ruby, Shell Scripts, Tomcat, Ansible, Splunk.

Client name: BJC Health Care, St. Louis MO Jan 2022-Sept 2022

Role: Sr. Azure Cloud Engineer

Performed cloud migrations and worked with clients and development teams to own the infrastructure components of the project.

Design, implement and manage virtual networking within Azure and connect to on-premises environments, configure Express Route, Virtual Network, VPN Gateways, DNS, and Load Balancer

Worked on Azure Site Recovery and Azure Backup- Deployed Instances on Azure environments and in Data centers and migrating to Azure using Azure Site Recovery and collecting data from all Azure Resources using Log Analytics and analyzed the data to resolve issues.

Integrated b Functions with other Azure services such as Azure Logic Apps, Azure Event Grid, and Azure Cosmos DB, creating a comprehensive and interconnected cloud ecosystem.

Installed and Configured Log Analytics. Creating Change Management Dashboard in Azure cloud to monitor the success and failure of live deployments.

Used Terraform to reliably version and create infrastructure on Azure. Created resources, using Azure Terraform modules, and automated infrastructure management.

Connected Terraform with Ansible, to implement infrastructure orchestration and configuration management.

Controlled and maintained multiple environments (development, staging, production) using Terraform workspaces.

Implemented infrastructure versioning and change management using Terraform state files and version control systems like Git.

Implemented Ceilometer Telemetry Service to create and collect measurements across OpenStack.

Monitored running stacks and events on the OpenStack Cloud.

Managed Azure Resource Manager (ARM) templates throughout their lifecycle, including creation, updates, and deletion.

Configured Ansible Vault to secure secret information and sensitive data within playbooks and roles.

Integrated Ansible into continuous integration and delivery pipelines, leveraging tools like Jenkins and GitLab CI/CD.

Utilized Docker volumes to persist data and manage data sharing between containers and the host system.

Integrated Docker into CI/CD pipelines for automated container builds and deployments using tools like Jenkins and GitLab CI/CD.

Implemented Kubernetes secrets and ConfigMaps to manage sensitive data and configuration settings.

Implemented and managed a containerized application deployment on Azure Cloud using Azure Kubernetes

Improved the performance of SQL Scripts by using Object Role Modelling methodology.

Service (AKS) to achieve scalability, reliability, and cost efficiency.

Implemented rolling updates and rollback strategies for seamless application updates and deployments.

Configured and managed Jenkins agents/nodes for distributed builds and deployments.

Integrated automated testing tools and frameworks into Jenkins pipelines for quality control.

Collaborated with team members using Git for code repositories, code reviews, and merge conflict resolution.

Utilized Git tags and releases to mark important milestones and versions in the codebase.

Automated project builds and testing using Maven, leveraging its lifecycle phases (clean, compile, test, package, deploy).

Configured Maven plugins to extend build functionality and perform tasks such as code generation, code quality checks, and documentation generation.

Utilized ARM templates to seamlessly integrate Azure Monitor and Application Insights, enabling comprehensive monitoring of resource health, performance, and application behavior.

Designed, developed, and maintained the NewRelic monitoring infrastructure for real-time application performance monitoring.

Employed Newrelic agents to gather performance information from various components such as server’s applications, databases, and third-party services.

Orchestrated complex deployment workflows using Azure PowerShell tasks within release pipelines.

Automated the retrieval of Azure activity logs and metrics data for analysis and reporting using PowerShell.

Utilized Java programming skills to design, develop, and maintain DevOps tools and automation frameworks, enhancing efficiency and streamlining workflows in an Azure project.

Implemented database monitoring and performance tuning to optimize query performance and identify bottlenecks.

Integrated databases with DevOps tools like Jenkins and Azure DevOps for automated database deployments and continuous integration.

Created Azure SQL database, performed monitoring and restoring of Azure SQL database. Performed migration of Microsoft SQL server to Azure SQL database.

Worked in Linux administration and system configuration, with expertise in various Linux distributions such as CentOS, Ubuntu, Red Hat Enterprise Linux.

Developed Kickstart configurations for streamlined and consistent Linux installations across multiple systems.

Environment: Azure DevOps, Kubernetes, Docker ACS & AKS, Prometheus, Splunk, Terraform, Ansible, Jenkins, Git, Azure Boards, Maven, SonarQube, Python, PowerShell, YAML, VSTS, Visual Studio Code, Tomcat, Nginx, Linux, Windows servers 2012/2016

Client name: M&T Bank, Buffalo, New York Sept 2019-Dec 2021

Role: Cloud Platform Engineer

Utilized AWS CloudWatch, CloudTrail, and AWS X-Ray in the DevOps environment for monitoring, logging, and troubleshooting applications and infrastructure.

Implemented automatic backups, disaster recovery, and high-availability solutions using AWS services like AWS Backup, Amazon RDS

Developed and managed AWS networking components such as VPC, subnets, and security groups using custom scripts or AWS CloudFormation.

Hosted applications on GCP using Compute Engine, App Engine, Cloud SQL, Kubernetes Engine, and Cloud Storage.

Possess excellent knowledge of cloud design constraints and their impact on pricing, including IP subnetting, routing, firewall policies, virtual private clouds, load balancers, cloud DNS, cloud CDN, and other networking concepts and protocols.

Used Git or other source code management systems for version control of CloudFormation templates.

Designed, implemented, and maintained infrastructure using Chef for configuration management and application deployment.

Created Chef cookbooks and recipes to automate the provisioning and setup of servers, applications, and services.

Implemented role-based settings in Chef to control the configuration of different server roles or application stacks.

Designed, executed, and maintained Bamboo deployment projects and build plans for CI/CD processes.

Integrated version control systems like Git or SVN with Bamboo to trigger automated builds and deployments on code commits.

Configured Bamboo agents to perform build and deployment tasks across distributed environments.

Designed, implemented, and maintained Bitbucket repositories for collaborative software development and version control.

Collaborated with team members using Bitbucket for code review, pull requests, and repository management.

Integrated Maven with CI solutions like Jenkins or Bamboo for automated builds and deployments.

Implemented Maven profiles to manage environment-specific configurations and build variations.

Published project artifacts to Maven repositories for distribution and sharing.

Designed, implemented, and maintained Nagios monitoring infrastructure for proactive monitoring and alerting of IT systems.

Implemented Nagios to monitor various components, including servers, network devices, software, and services.

Created custom Nagios plugins or utilized existing plugins to monitor specific metrics or perform specialized checks.

Implemented file I/O operations in Python scripts for reading, writing, and manipulating data files.

Developed scripts for data processing and analysis using Python libraries like Pandas or NumPy.

Used Python for automating data collection procedures and web scraping from websites.

Created and implemented PowerShell scripts for Active Directory administration, including user management, group policy management, and security auditing.

Integrated PowerShell scripts with Microsoft Azure, Office 365, or other cloud platforms for resource management and task automation.

Developed Bash/Shell scripts to automate routine tasks and system administration activities such as file operations, process management, and system monitoring.

Implemented database security measures, including user access controls, encryption, and auditing.

Implemented database replication or clustering for high availability and fault tolerance.

Integrated Kickstart with infrastructure provisioning tools like Ansible or Terraform for automated system deployment and configuration.

Environment: Amazon Web Services, Jenkins, Ansible, Kubernetes, Python, Jira, Web logic, UNIX, VMware, Artifactory, Shell, Perl, JSON, Docker, Git, GitHub, Bitbucket, ELK.

Client name: Auto Desk, Hyderabad, Telangana April 2017-Aug 2019

Role: AWS Engineer

Design roles and groups using AWS identity and access management (IAM), and manage network using Security Groups, Network Access Control Lists with services provided by IAM.

Document system configurations, Instances, Operating Systems, and AMI build practices, backup procedures, troubleshooting guides, and safe keep infrastructure and architecture updated with appending.

Designed, developed, and maintained infrastructure automation using Puppet for configuration management and application deployment.

Created Puppet modules and manifests to automate the installation and configuration of servers, programs, and services.

Implemented Jenkins plugins for static code analysis, code coverage reports, and code quality analysis.

Implemented environment-specific configurations and parameterized builds to enable deployment across various environments.

Integrated Jenkins with artifact repositories (e.g., Nexus Artifactory) for artifact management and versioning.

Managed user administration, authorization techniques, and Jenkins' security and access restrictions.

Utilized Git submodules or sub repositories to manage shared code between projects and dependencies.

Developed and maintained Ant build scripts (build.xml) to handle dependencies, build parameters, and project structure.

Configured Nagios escalation policies and notification channels to ensure timely and effective incident response.

Implemented Nagios dashboards and visualizations for real-time system health and performance monitoring.

Improved data file handling with file I/O operations in Python scripts for reading, writing, and altering data files.

Developed scripts to interact with APIs and web services, programmatically retrieving information or performing activities.

Created Perl scripts for task execution and automation to enhance productivity and reduce human error.

Developed scripts for log analysis and parsing, extracting relevant information, and generating reports.

Integrated Java applications with version control systems like Git to automate the build and release processes.

Implemented various types of automated testing in Java, including end-to-end tests, unit tests, and integration tests.

Implemented .NET-based monitoring systems, integrating with Prometheus, Grafana, or Application Insights for real-time system monitoring and metrics collection.

Utilized .NET for infrastructure provisioning and configuration management using tools like Terraform or Ansible.

Implemented database indexing and query optimization techniques to improve application performance and response times.

Managed database schema using tools like Database Change Management (DCM) or database versioning frameworks.

Accelerated application performance and response times through the implementation of database indexing and query optimization techniques.

Proficient in setting up firewalls, managing users, and controlling access to Linux systems.

Utilized virtualization technologies such as VMware or VirtualBox, including creating and managing virtual machines.

Environment: Java/J2EE, Python, WebLogic, UNIX, VMware, Shell, Perl, IAM, S3, EBS, EC2, Cloud Watch, Cloud Formation, Puppet, Docker, Chef, GIT, GitHub, Maven, Jenkins., Nexus, WebLogic 8, TOMCAT 7/8, Python Scripts, Perl Scripts, Ruby Scripts, XML, Unix, JIRA, Ant, Nagios.

Client name: Numeric Technologies, Hyderabad, Telangana July 2015- March 2017

Role: Systems Administrator

Responsibilities:

Installed, Configured and Administered WebSphere Application Server ND/XD 6.1/7.0 on Red Hat Linux platform.

Used WSINSTANCE to create multiple WebSphere instances from the command line.

Developed a stream filtering system using Spark streaming on top of Apache Kafka.

Configured Apache Kafka and zookeeper with the help of team members.

Built ESXi Servers as well as several hundred plus VM’s Windows servers mainly 2008 R2,2012 and 2016 Servers.

Install, configure and management of windows servers 2008, 2008 R2, 2012 and 2016.

Automated administrative tasks using PowerShell and VB script.

Used bash, awk, sed and Perl to automate most of the daily activities like logs monitoring, log rotation, disk spaces, purging and error detections using SolarWinds, Nagios XI.

Develop Linux shell scripts to accomplish redundant tasks to simplify in distributed administration.

Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, My-SQL database, and firewalls in both development and production. Installation and configuration of Solaris, Linux for new build environment.

Handling Projects and providing performance and capacity analysis reports and recommendations to customer requirements.

Cloning, Building, and deploying new VM's and installing different guest OS like Windows server 2003/2008/2012 and Linux. Creating virtual NIC's for the respective VM's and assigning the network connections to a particular port group in the Switches.

Environment: RedHat, Linux, Windows, Bash, PowerShell, Nagios, Kafka

Client name: Vensai Technologies, Visakhapatnam, Andhra Pradesh May 2014-June 2015

Role: System Engineer

Responsibilities:

● Installed & Configured RHEL(RedHat) & CentOS, Virtual Machines in VMware ESXi using vCenter Server and vSphere Client.

●Using VMware vCenter, created Datacenter Environment by creating VMware clusters, adding ESX hosts in the clusters, and implemented HA and DRS.

●Network troubleshooting and worked with utilities like netstat, iostat, vmstat, sar, top and various third-party tools to troubleshoot user applications, file systems space issues, network problems, hardware issues related to disks, memory modules.

●Responsible for maintaining Linux servers (RHEL and Centos) and Windows as well as ensuring the health and stability of the server. This included trouble shooting possible package/library conflicts using various OS server, and application logs to pinpoint the problem for it to be corrected.

●Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment. Experienced in writing of shell scripts for automating the administrative tasks and managing using cron jobs.

●Configured Linux servers like FTP, NFS, Telnet, SSH, Sendmail, Apache and Package Management using RPM and Yum.

●Good patch management experience on both physical and Virtual Linux/OEL servers on VMware and PCAServers, Zones/LDOM, using Red Hat Satellite. Setup configured and maintained NFS, NIS, and TCP/IP network, setting up SSH and SCP features between hosts.

●Worked on Linux Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SFTP, SSH, LDAP integration and troubleshooting servers using utilities like netstat, iostat, vmstat, top, ipconfig etc. Worked with User Administration commands like user add, group adds, passwd, chmod, chgrp, usermod. Setting up of NFS environment. Taking care of user accounts/groups using NFS Management.

●Resolving TCP/IP network access problems for the clients. Develop, Maintain, update various scripts for services (start, stop, restart, recycle) UNIX based shell. Working on troubleshooting the triggered alarms generated from VMware vCenter Server and solving SNMP traps rise in vCenter.

Environment: RedHat, Linux, Windows, Bash, PowerShell.

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