Devops Engineer Aws Cloud

Bhargavi Santhositha Kamuni

DevOps Engineer

*************************@*****.***

Phno: +1-507-***-****

PROFESSIONAL SUMMARY:

8+ years of professional experience in IT comprising of Designing, Development, Integration of DevOps tools, Cloud Automation, Configuration Management, Provisioning, Build and Release, Continuous Integration/Deployment, Delivery management, system administration and Cloud Migration.

Experience in maintaining Amazon Web Services and Hands on experience in Architecting Legacy Data Migration projects such as Teradata to AWS Redshift, migration, Teradata to Snowflake Migration, AWS Cloud from on-premises.

Experience in cloud technologies on both AWS and GCP.

Experience in working on TERRAFORM for provisioning the Environments in GCP.

Strong Experience in Amazon Web Services Resources like AWS EC2, VPC, AWS Security Groups, AWS Route 53, ELB, AMI, SNS, IAM, S3, AWS Auto scaling, AWS RDS, AWS Cloud Formation, ELK cluster management and AWS Cloud Watch.

Experience in both Cloud Formation and Terraform to automate AWS environment creation along with the ability to deployment on AWS, using build scripts (AWS CLI) and automate solutions using Shell and Python.

Proficient in Infrastructure as Code (IaC) using Terraform, Ansible, and Chef, with experience in mainframe configuration management (BMC BladeLogic, IBM zSecure).

Hands on experience in Azure Development, worked on Azure web application, App services, Azure storage, Azure SQL Database, Virtual machines, Fabric controller, Azure AD, Azure search, and notification hub. Experience in using Azure service fabric to package, deploy, and manage scalable and reliable Microservices and containers.

Experience in Automating, Configuring and Deploying Instances on Azure environments and in Data centers and migrating on premise to Windows Azure using Azure Site Recovery and Azure backups.

Experienced working on Installing and configuring Terraform Enterprise and Architected Terraform enterprise integration with GCP and AWS and also created policies around the usage of Terraform Enterprise.

Experience with IAC technologies such as Cloud Formation, ARM and Terraform. experienced in using Terraform for building, changing, and versioning infrastructure and manage existing and cloud infrastructure as well as custom in-house solutions.

Worked in development of platform for Microservices applications from scratch on GCP to on-board domain teams and used several latest technologies Helm in the development of the platform.

Expertise in DevOps in GCP, AWS, Azure platform and On-Prem which includes technologies and platform like UNIX/Linux, Java, NodeJS, pipins, Bamboo, Atlassian Stack, Maven, Gradle, NPM, GitHub, Bitbucket, Terraform, Chef, Ansible, Puppet, Vagrant, CVS, Tomcat, JBoss etc.

Experience on Ansible and Ansible Tower to automate repetitive tasks, to deploy critical applications quickly, and proactively manage the changes and wrote 200+ custom playbooks to manage Web applications and infrastructure.

Experienced with build, design and maintain the platform automation infrastructure using Chef and Involved in setting up Chef Workstation, Nodes, Cookbooks, and Recipes using Ruby Scripting and familiar with Knife in Chef.

Designed CI/CD pipelines for hybrid environments (Mainframe, Cloud) using Jenkins, Bitbucket, and Azure DevOps, integrating mainframe build tools (IBM Developer for z/OS, Endevor).

Experienced in working on Docker hub and Docker swarm, Docker compose creating Docker images and handling multiple images primarily for middleware installations and domain configuration. Created many custom Docker images that are required to be used in Different ways.

Experienced in Kunernetes in different environments to produce production-grade Kubernetes clusters that allow enterprises to reliably deploy and run containerized workloads across private and public clouds.

Extensive experience in cloud technologies (AWS, GCP, Azure) and Mainframe systems, including COBOL, JCL, DB2, VSAM, CICS, and IMS DB/DC.Mastered in Architecting, Building, configuring and managing Kubernetes clusters on both on-prem and cloud.

Experienced in Google Cloud platform in managing Docker Containers, Kubernetes Clusters, and Mesos and implemented a production ready, load balanced, highly available, fault tolerant Kubernetes infrastructure and created Bit bucket Jobs to deploy applications to Kubernetes Cluster.

Experienced in Different Deployment strategies like Blue-green, Red- black, Hierarchy, Canary and Rolling.

Mastered in Architecting and building CI/CD using Bit bucket in various environments like RHEL, Centos and Windows to build and deploy applications in High Velocity.

Implemented & maintained the branching and build/release strategies using SCM tools GIT, Subversion, Bitbucket and experienced in migrating GIT repositories to AWS.

Proficient with Shell, Python, Ruby, Perl, Power Shell, JSON, YAML, Groovy, PowerShell scripting languages.

Good Knowledge on object-oriented programing in Java/J2EE technologies.

Experience in software build tools like Apache Maven, Apache Ant to write Pom.xml and Build.xml respectively.

Database migration expertise (DB2 z/OS to AWS Aurora, IMS to DynamoDB) and optimization of mainframe data workflows in cloud environments.

Experience using Nagios, Grafana, Dynatrace, Splunk monitoring system and different Bug Tracking Tools like Jira, ServiceNow. Designed, deployed, and coordinated with different teams to enhance ELK platform and took ownership of new technologies.

Installed, configured, and managed the RDBMS databases like MySQL, DB2, PostgreSQL, and NoSQL databases like MongoDB, DynamoDB, Cassandra DB and Redis.

Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Trouble shooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (Red Hat Linux) Systems

Expertise in Scrum Methodologies such as Agile and Waterfall methods, software development lifecycle management, continuous integration, build and release management and managed environments.

TECHNICAL SKILLS

Cloud

AWS, GCP, OpenStack, Azure, Google Cloud Platform.

Configuration Management Tools

CHEF, PUPPET, ANSIBLE.

Build Tools

ANT, MAVEN, GRADLE, NPM

Container Tools

Docker, Kubernetes, OpenShift,

Version Control Tools

GIT, CVS, SVN, Bit Bucket.

Monitoring Tools

Nagios, Splunk, ELK, Cloud watch, Grafana

Scripting

Bash/Shell, Perl, Python, Ruby, power shell, Jason, YAML, Groovy

Databases

My SQL, MS Access,, DB2, NoSQL (MongoDB, DynamoDB)

Application Servers

WebLogic 9.x/10.x, WebSphere 6.x/7.x/8.x, JBOSS 4.1

Web Servers

Apache HTTP, Nginx, Apache TOMCAT

Networking

DNS, DHCP, SMTP, HTTP, SNMP

IDE Tools

ECLIPSE IDE, NETBEANS, Visio Studio

Operating Systems

Linux (Red Hat 4/5/6/7), UBUNTU, UNIX, WINDOWS NT/2000/2003/XP/VISTA/7/8/10.

Virtualization Tech

VMware vSphere, ESXi 5.x/4.x, ESX /3.x VMware Workstation, Oracle Virtual box

CI/CD Tools

Bit bucket, Bamboo, Pipelines

Professional Experience:

Client: CareSource - Dayton, OH April 2024- Till Date

Role: Senior Devops Engineer/SRE

Roles&Responsibilities:

Worked on various AWS services which includes importing necessary volumes, launching EC2 instances, S3 for object static webpages and created security groups, auto scaling, load balancer, Route 53 and SNS as per architecture using IAAC tools like Terraform.

Configured various performance metrics using AWS Cloud watch & Cloud Trial

Worked on configuring Cross-Account deployments using AWS Code Pipeline, Code Build and Code Deploy by creating Cross-Account Policies & Roles on IAM.

Used AWS Route 53 for configuring the High-Availability and Disaster recovery to make the environment up and running in case of any unexpected disaster.

Deployed and managed OpenShift Container Platform (OCP) clusters on AWS, GCP, and on-premises for enterprise-scale container orchestration.

Worked on google cloud platform (GCP) services like compute engine, cloud storage and cloud deployment manager.

Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.

Written various Lambda services for automating the functionality on the Cloud.

Day to day operation and troubleshooting of VMs and Docker swarm in GCP.

Written 80+ custom Terraform modules for IAC with high scalability and Re-usability.

Worked on setting up Modules, Workspaces, Orgs, VCS Provider, Policies, Authentications in Terraform Enterprise and worked on firewall issues between Terraform Enterprise and cloud.

Used Terraform Enterprise to spin up cloud infrastructure by uploading Configuration via the TFE API, Terraform CLI and GitHub Web Hooks and using Bit bucket in CI/CD pipelines using Backend configuration and Terraform CLI.

Migrated legacy applications to OpenShift, leveraging Docker, Kubernetes, and Helm for seamless modernization.

Building and automating CICD pipelines for different applications.

Created Terraform policies that should be used Across the entire organization based on GitHub Flow.

Managed and administered Bit bucket, Jfrog, GitHub.

Creating an automated Build and Deployment Platform and Driving the teams and Orchestrated deployments using Bit bucket, Jfrog, Docker and other DevOps tools.

Worked on configuring and integrating Jfrog, Hashi Vault, Ansible Tower, Splunk, OpenShift and AWS with CI/CD.

Created Ansible Playbooks to deploy applications into Kubernetes clusters using Rancher to orchestrate.

Implemented CI/CD pipelines for OpenShift using Jenkins, Bitbucket, and Tekton, automating app deployments via Kubernetes Operators.

Created inventory, job templates and scheduling jobs using Ansible Tower. Downloaded and managed Ansible roles from Ansible Galaxy to automate the infrastructure. Implemented and designed AWS virtual servers by Ansible roles to ensure deployment of web applications.

Created Ansible Playbooks to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications.

Built an entire Bit bucket pipeline shared libraries framework that is being used across the bank.

Delivering quality code that meets requirements and specifications on time and accomplishes all aspects of the software configuration management (SCM) process, DevOps and Build/Release management.

Orchestrating CI/CD processes by triggers, human input, and dependency chains and environment and Writing Bit bucket files and Groovy scripts to create pipeline jobs based on the requirement.

Orchestrated Kubernetes/OpenShift workloads using Rancher and Helm charts for scalable microservices.

Design, develop setup, configure, and administer the DevOps environment including tools setup, licensing and provisioning.

Write automation scripts and programs in development and production environments to implement configuration management using code.

Environment: Terraform, Mainframe, CI/CD pipelines, BigBucket, JIRA, AWS, EC2, S3 buckets, EKS, Dynatrace, AWS (Amazon Web Services), Terraform Enterprise, Jenkins, JFrog, GitHub, Ansible Tower, Rancher, Kubernetes, HashiCorp Vault, Splunk, OpenShift.

Client: BHG Financial-Fort Lauderdale, FL Sep 2022 – Mar 2024

Role: Cloud DevOps Engineer

Roles&Responsibilities:

Using REST API from command line or within bash scripts using to automate Bit bucket and jfrog.

Administer application servers, source and version control systems, binary artifact

Creating and managing GitHub branches, generating reports using GitHub API.

Experience in Migrating the legacy application into GCP platform.

Configured JIRA workflows and integrated with OpenShift monitoring Prometheus, Grafana, ELK for DevOps visibility.

Set up Kubernetes (k8s) Clusters for running microservices and Pushed microservices into production with Kubernetes backed Infrastructure. Development of automation of Kubernetes clusters via playbooks in Ansible.

Migrated legacy applications to GCP and modernized monolithic apps using OpenShift for containerized deployments.

Designed strategies for optimizing all aspect of the continuous integration, release and deployment processes using Bitbucket and container and virtualization techniques like Docker and Kubernetes.

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.

Worked on Serverless (Azure Functions, AWS Lambda) and OpenShift Serverless (Knative) for event-driven microservices.

Worked with Terraform Templates to automate the Azure Iaas virtual machines using terraform modules and deployed virtual machine scale sets in production environment

Created builds and release pipelines in VSTS.

Implemented Git branching/merging strategies and used OpenShift GitOps (Argo CD) for Git-based declarative deployments.

Responsible for Deploying Artifacts in GCP platform by using Packer.

Deployed and designed pipelines through Azure data factory and debugged the process for errors.

Written 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 metrics and used Terraform as a tool, Managed different infrastructure resources Cloud, VMware, and Docker containers.

Creating and branching and merging strategy with multiple branches and used Git as source code management repository to keep track of version changes.

Configured JIRA workflows according to the needs to the CM team and integrated the project management features of with the build and release process

Environment: Docker, PowerShell, Jenkins, OpenShift, JFrog, GitHub, Kubernetes, Ansible, Docker, Azure Functions, Visual Studio Team Services (VSTS)/Azure DevOps Services, Terraform, Azure Log Analytics, Cloud (Azure), VMware, Git, JIRA

Client: Cox Enterprises-Atlanta, GA Oct 2020 – Sep 2022

Role: Cloud DevOps Engineer

Roles&Responsibilities:

Created AWS CloudFormation templates to create custom-sized VPC, subnets, EC2 instances, ELB, security groups. Worked on tagging standard for proper identification and ownership of EC2 instances and other AWS Services like Cloud Front, cloud watch, RDS, S3, Route53, SNS, SQS, Cloud Trail and Worked on Simple Storage Service (S3), Simple Notification Service (SNS) and CloudWatch.

Involved in Architect, build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS CloudFormation and Bit bucket for continuous integration.

Migrated services from a managed hosting environment to AWS including service design, network layout, data migration, automation, monitoring, deployments and cutover, documentation, overall plan, cost analysis, and timeline.

Deployed and managed OpenShift Container Platform (OCP) for enterprise-grade Kubernetes orchestration, including cluster setup, scaling, and monitoring.

Used API's, chef, python and AWS CloudFormation Templates, migrated and automated cloud deployments.

Automated AWS infrastructure using Terraform, converting legacy systems to serverless (Lambda) and migrating on-premises data via AWS Snowball.

Converted existing AWS infrastructure to server-less architecture (AWS Lambda) and deployed it via Terraform. Migrated data from Datacenters and on-premises to Cloud using AWS Import/Export Snowball service.

Automated OpenShift deployments using Ansible and Terraform, integrating with AWS EKS and Azure AKS for hybrid cloud strategies.

Used Terraform in AWS Virtual Private Cloud (VPC) to automatically setup and modify settings by interfacing with control layer.

Used Hybrid cloud environment for application deployments using OpenStack cloud and worked within the cloud for Integration process and used OpenStack to build cloud labs for application deployment for Testing Environments.

Designed highly available, multi-zone AWS architectures using Chef, CloudFormation, and Bitbucket CI/CD pipelines.

Maintained multiple cookbooks in Chef by converting production support scripts to Chef recipes to automate the configuration and management of servers.

Test Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and Chef Spec and used to collect attributes on node.

Troubleshot OpenShift cluster issues, including networking (OVN-Kubernetes), storage (Persistent Volumes), and pod scheduling.

Created Chef Cookbooks and Recipes to deploy new software and plugins and Used Ansible for configuring and managing multi-node configuration management over SSH and PowerShell.

Setup Continuous Delivery pipeline using Ansible playbooks. This primarily consists of a Bit bucket to run packages and various supporting software components such as Maven.

Worked in all areas of Bit bucket setting up CI for new branches, build automation, plugin management and securing Bit bucket and setting up master/slave configurations.

Developed build using MAVEN as build tools and used CI tools to kick off the builds move from

one environment to other environments.

Virtualized the servers on AWS using the Docker, create the Docker files and version control to achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing Nginx.

Worked with Docker for convenient environment setup for development and testing. Installed Docker Registry for local upload and download of Docker images and even from Docker hub.

Implemented a production ready, load balanced, highly available, fault tolerant, auto scaling Kubernetes AWS infrastructure and Docker container orchestration.

Created repositories, branches, tags in Git and assist the developers to fix merging issues and to

implement the parallel development process.

Used Splunk to monitor server and application logs.

Experienced in creating custom Build & Deployment automation solutions in scripting languages

including Python, Shell, UNIX shell, Ruby, Perl, and PowerShell. I have worked and administered

artifact tools including Nexus and Artifactory.

Used Azure Resource manager and terraform to deploy the infrastructure necessary to create development, test, and production environments.

Applied software patches and upgrade server and client software for various NOSQL products to stay in compliance with security standards.

Environment: AWS, Lambda, Bit bucket, Auto Scaling, Web logic, CI/CD pipelines, Nexus, JIRA, Ansible, Oracle, Terraform, Python, Maven, Java, Linux, Apache TOMCAT, ELK, GIT, LDAP, NFS, NAS, MS Share point, XML, Fedora, Windows, Splunk, Perl Scripts, Shell Scripts, Chef, Ansible, OpenStack, Docker, Kubernetes, OpenShift.

Client: Voya Financial-Atlanta, GA Jan 2019– Oct 2020

Role: DevOps Engineer

Roles&Responsibilities:

Managed Amazon Web Services (AWS) infrastructure with automation and configuration management tool such as Chef. Designing cloud hosted solutions, specific AWS product suite experience.

Worked on AWS cloud to provision new instances, S3 Storage Services, AWS EC2, Cloud watch services and CI/CD pipeline management through Bit bucket and Created IAM policies for administration in AWS to assist type applications.

Deployed and managed OpenShift Container Platform (OCP) for enterprise-grade Kubernetes orchestration, enabling scalable microservices architectures.

Configuring and Networking of Virtual Private Cloud (VPC) Written Cloud formation templates and deployed AWS resources using it.

Responsible for building and configuring a virtual Data Centre in AWS cloud to support Enterprise Data warehouse hosting.

Designed and implemented CI/CD pipelines in OpenShift for automated application deployments, integrating with Bitbucket, Jenkins, and Helm.

Configuration of Ansible modules for AWS cloud deployment. Worked with Ansible playbooks for virtual and physical instance provisioning, configuration management, patching and software deployment on AWS environments through automated tools, Ansible / custom pipeline.

Automated deployment using configuration Management tool like Chef to provision AWS EC2 Instances to enable continuous Deployments.

Migrated legacy applications to OpenShift clusters, optimizing containerized workloads for hybrid cloud (AWS, GCP, on-premises).

Written Chef Recipes to automate our build/deployment process and do an overall process improvement to any manual process.

Setup the Chef Infrastructure for the environment for software configurations management and Chef servers, chef workstations, chef nodes and involved in bootstrapping new infrastructure chef nodes.

Provisioning and configuring the Docker containers and creating Docker files for different environments.

Monitored OpenShift clusters using Prometheus, Grafana, and ELK stack, ensuring performance optimization and proactive issue resolution.

Worked on Docker container snapshots, removing images and managing Docker volumes and for branching purpose

Provisioning and configuring the Docker containers and creating Docker files for different environments.

Providing continuous improvement to agile software development teams by working with Bit bucket under the CI/CD pipeline. Integrated Ant, Nexus, Bit bucket, SVN, Confluence and JIRA and Used Git with Bit bucket to integrate to automate the code checkout process.

Automating various activities using scripting languages like Perl, Python, Ruby, PowerShell based on the requirements

Developed Shell Scripts and Perl for automation of the build and release process. Developed custom solutions in C# and PowerShell to validate availability, consistency, and compliance with environments.

Developed build and deployment scripts using MAVEN as build tools in Bit bucket to move from one environment to other environments.

Automated workflows using Python, Ruby, PowerShell, and Bash for cloud and OpenShift operations.

Built and managed a highly available monitoring infrastructure to monitor different application servers and its components using Nagios with Puppet automation. Involved in editing the existing ANT files in case of errors or changes in the project requirements.

Built and engineered servers on Ubuntu and RHEL Linux. Provisioned virtual servers on VMware and ESX servers using Cloud.

Configured and integrated the servers for different environments to automatically provision and configuration management of Linux instances using CM/ Provisioning tool Puppet.

Environment: Linux, Perl, Chef, Puppet, Bit bucket, OpenShift, Nagios, PHP, Ruby, JIRA, GIT, Docker, Vagrant, SVN, Ant, Bash, PowerShell, NT Command Shell.

Client: Coders Brain-India Nov 2016 – Dec 2018

Role: Linux DevOps Engineer

Roles&Responsibilities:

Configured and installed Red Hat and Centos Linux Servers on both virtual machine and bare metal Installation.

Worked in infrastructure team on installation, configuration and administration of Centos, RHEL.

Worked on UNIX, Red hat Linux ES3.0, Linux Desktop, SUSE Linux Enterprise Server 9.0 and AIX 5.2/5.1/4.3 and Ubuntu.

As member of Release Engineering group, redefined processes and implemented tools for software builds, patch creation, source control, and release tracking and reporting, on UNIX platform.

Worked in Agile Project management Process, JIRA for Issue Tracking and monitoring and with the Architects on SDLC process being the owner of post-development environments.

Installation and configuration of Red Hat Cluster, Veritas Cluster Server and Veritas NetBackup, Apache 1.3.x, Tomcat, WebLogic 9, 10, and JBoss.

Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.

Solid network and systems troubleshooting experience with HTTP\HTTPS, SFTP, FTP, NFS, SMB, SMTP, SSH, NTP and TCP/IP, Internet Security, encryption.

Worked on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager.

Maintained build related scripts developed in shell for ANT builds. Created and modified build configuration files including Build.xml.

Converted old builds using MAKE to ANT and XML for doing Java build

Developed build and deployment scripts using ANT as build tool in to move from one environment to other environments

Troubleshooting Linux network, security related issues, capturing packets using tools such as Iptables, firewall, TCP wrappers, NMAP.

Scheduling incremental snapshots and full backups of MySQL database, configuring tape backup units using third party tools like VERITAS and Zmanda

Environment: Red Hat Linux 3.x, 4, Sun Solaris server, Windows, NFS, LVM, UCD, ClearQuest, Crontab, ANT, Python, Perl, Shell, Apache.

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