PRAVEEN KUMAR CHUKKAPALLI linkedin.com/in/praveench7

Sr Cloud DevOps Consultant ️praveenchukkapalli7@gmail.com AWS Azure Kubernetes Terraform Certified 832-***-**** PROFESSIONAL SUMMARY:

Withover10yearsofexperienceinIT,I'veexcelledindiverserolesincludingDevOps,SREandCloudEngineer. My expertise spans Azure,AWS,GCP,OnPremisePrivateCloud,OpenStack,andcoverscontinuousintegration, continuous deployment,configuration management,and Red Hat Linux systems administration.Proficient in toolssuchasDocker,Kubernetes,Openshift,Ansible,Chef,Jenkins,GIT,andMaven,Ibringawealthofexperience in securing,optimizing,and automating cloud infrastructure across various platforms.My experience includes designing and automating security processes using Python,Perl,Bash,PowershellandAnsibletoidentifyand mitigate vulnerabilities in application code and infrastructure.I excel in continuous monitoring and threat detection,collaborating with cross-functional teams toembedsecuritythroughoutthedevelopmentlifecycleand also familiar with industry compliance regulations such as,conducting security audits,and providing comprehensive training on secure coding practices andDevSecOps methodologies.

● SetupandbuildAWSinfrastructureusingvariousresources,VPCEC2,RDB,S3,IAM,EBS,SecurityGroup, Auto Scaling, SES, SNS and RDS in CloudFormation JSON templates, Route53, Lambda.

● Hands-on experience in Provisioning EC2 instances and all resource areas of EC2likeDedicatedhosts, volumes, Key pairs, Elastic IP's, Snapshots, Load Balancers and Security Groups.

● Strong hands-on experience in infrastructure automation tools like Cloud Formation Templates and Terraform.

● ExpertiseindefiningenterprisewideSCMstrategy/SCMplanandimplementingIndustrybestpractices inareasofBuildManagement,ContinuousIntegration,DeploymentAutomation,SourceCodemaintenance

&Release Management, Server management, Softwareasset management.

● Working expertise on all aspects of Ansible concepts like Control Node,Managed Nodes,Inventory, Modules, Tasks, Playbooks etc.

● WrittenAnsibleplaybooksandrolestoProvisionseveralpre-prodenvironmentsconsistingofCassandra DB installations, WebLogic domain creations and several proprietary middleware installations.

● ExtensiveexperienceinintegratingChefcookbooksintoJenkinsjobsforCDframework,andworkedwith variouscustomresources,createdroles&environments,andusingchefhandlersfordifferentautoKickoff Requirement Jobs.

● WorkedonAWSfordeployingEC2instancesconsistingofvariousflavorsviz.,OracleLinux,RHEL,CentOS, Ubuntu and Solaris in both Linux and Windows.

● Experience with AWS instances spinning across Dev,Test and Pre-production and Cloud Automation through Open Source DevOps tools like Jenkins, Ansible, & Docker.

● Hands-on experience in Azure Cloud Services (PaaS &IaaS),Storage,WebApps,ActiveDirectory,Azure Container Service,VPN Gateway,Content Delivery Management,TrafficManager,AzureMonitoring,OMS, Key Vault, Visual Studio Online (VSO), Cognitive Services (LUIS) and SQL Azure.

● Proficient in integrating security into DevOps processes (DevSecOps),with expertise in leveraging automationtoolstomitigaterisksandalsoskilledinimplementingIaCpracticesandutilizingtoolssuchas Terraform, Ansible and Vault to automate security configurations and ensure compliance.

● ImplementedrobustsecurityprotocolsonAzure,ensuringsecureidentitymanagement,dataencryption, and compliance standards.Proficient in using Azure Monitoring tools,such as Azure Monitor and Log Analytics, for real-time insights and proactive issue resolution.

● Experience withcontainerization and clusteringtechnologieslike Docker, Docker Swarm and Kubernetes

● Led the successful migration of on-premises infrastructure to AWS cloud platform,leveraging Terraform for provisioning and automation, resulting in improved scalability and cost-efficiency..

● ImplementedrobustcloudmonitoringusingPrometheusforcustommetricconfigurationandestablished Grafana dashboards to visualize and analyze cloud infrastructure performance and health.

● Led Site Reliability Engineering (SRE)initiatives,integrating AWS CloudWatch and Azure Application Insightsforproactivemonitoring,incidentresponse,andperformanceoptimization,ensuringseamlessand reliable cloud operations.

● Experienced in all phases of the software development life -cycle (SDLC) with specific focus on the build and release of quality software and also SDLC Methodologies such as Waterfall,Safe Agile and DevOps methodologies.

● Optimized API performance and scalability by implementing caching and load balancing techniques within DevOps workflows, ensuring high availability and responsiveness under varying loads.

● SeasonedprofessionalinKerberosarchitectureandnetworkingprotocols,leveragingexpertisetodesign and implement secure authentication solutions for complex network infrastructures.

● UsedAWSBeanstalkfordeployingandscalingwebapplicationsandservicesdevelopedwithJava,PHP, Node.js, Python, Ruby, Shell/Bash, Perl, Groovy and Docker on familiar servers like Apache.

● Experience in development and deployment of applicationsusingJBoss,IBMWebSphereApplicationand Apache Tomcat.

● Experienced OpenShift Administrator inoptimizingcontainerizedenvironmentsforscalabilityandhigh availability and skilled in automation and resource management to streamline deployment processes effectively.

● Exposure to all aspects of Software Development Life Cycle (SDLC)such as Analysis,Planning, Development, Testing, Implementation, Post-production analysis of the projects.

● Experience in using bug tracking systems like JIRA, Remedy, and HP Quality Center.

● Strong use of ShellScripting languagesincludingBASHforLinuxandMacplatformsandPowerShellfor Windows systems andautomation of scripts using Python,Java and Pearl. TECHNICAL SKILLS:

Cloud Platforms Microsoft Azure, AWS Cloud and Google Cloud Platform(GCP) . AWS Services RDS,EC2,VPC,IAM,Lambda Functions,Cloud Formation,EBS,S3,ELB, SageMaker,Auto Scaling,Cloud Trial,SQS,SNS,Glue,ELK,Cloud Watch,WAF, ECR, EKS.

Azure Services App Services, Key vault, Function App, Blob storage, Azure Active Directory, Service Bus, Azure Container Registry, AKS, ACI, Azure SQL, Azure Databricks, ASG, NSG.

Version Control Tools GIT and Bitbucket.

CI/CD Jenkins, Azure DevOps Pipelines, GitLab,Github Actions, CircleCI. Configuration

& Automation Tools

Ansible, UDeploy, Chef, Puppet.

Container Platforms Docker, Kubernetes, OpenShift. Monitoring Tools Nagios, Splunk, ELK, NewRelic, Prometheus, Grafana, AppDynamics, DataDog. Languages Python, C#, Bash scripting, Node.JS, Java, Pearl, Angular JS, YAML. Artifactory Jfrog and Nexus

API & Load Testing RestFul API’s, PostMan, Jmeter

Web Servers Nginx, Tomcat, IIS Web Server

Documentation Confluence, Markdown

Operating Systems Microsoft Windows, Linux, UNIX.

Tracking Tools Jira, ServiceNow, Azure Boards.

Code Scanning SonarQube, Jfrog, X ray, ECR Inspector Databases Cosmos DB, MySQL,Oracle, CouchBase DB, PostgresQl, Aurora DB, MongoDB. Logging CloudWatch, CloudTrail, Azure App Insights, Azure Monitor Networking Protocols TCP/IP, DNS, HTTP/S, DHCP

Pentesting &Security

Scanning Tools

Trivy, OWASP ZAP, BurpSuite, CloudFront

EDUCATION

Kommuri Pratap Reddy Institute of Technology Hyderabad,India. Bachelor of Technology in Computer Science Graduation Date : April 2013 CERTIFICATIONS

● Microsoft Certified:AzureAdministrator Associate

● AWSCertified Developer - Associate Certification

● CertifiedKubernetesAdministrator

● HashiCorp Certified:TerraformAssociate

PROFESSIONAL EXPERIENCE

Caterpillar Inc.Peoria, IL

Sr. DevOps & Cloud Engineer Jan 2023 - Present

Roles & Responsibilities:

● Led theimplementationofSiteReliabilityEngineering(SRE)practices,optimizingcloudinfrastructureon the multi cloud environment (AWS, Azure) for enhanced reliability, scalability, and performance.

● Implemented robust monitoring solutions,utilizing Prometheus and Grafana,to proactively identify and address performance bottlenecks, ensuring optimal system health and availability.

● Created and maintained containerized microservices on Microsoft Azure,demonstrating proficiency in Docker and Kubernetes.

● Involvedinsuccessfulmigrationoftheintranetwebapplicationshostedonon-premisesIISWebServerto AWS cloud platform, using Terraform, AWS Cloud formation for provisioning and automation.

● Developed Helm charts to package,version,and deploy Kubernetes applications,streamlining the deployment process and ensuring consistency across environments.

● Implemented Infrastructure as Code (IaC)practices using Puppet to define and manage infrastructure resources programmatically.

● Utilized Kubernetes for container orchestration,deploying and scaling Java API microservices across clusters, and ensuring high availability and fault tolerance in production environments.

● EmployedAngularCLIandNodePackageManager(NPM)forprojectscaffolding,dependencymanagement, and build automation.

● Implemented and configured Azure services according to project requirements and best practices

● Experienced in deploying and managing Red Hat JBoss Enterprise Application Platform (EAP),ensuring high availability, scalability, and performance for mission-critical Java applications.

● Configured Azure web apps,Azure App services,Azure Application insights,Azure Application gateway, Azure DNS,Azure Traffic manager,and other Azure services.Implemented Azure Site Recovery,Azure Backup, and Azure Automation.

● Utilized Terraform for creating and managing Azure and AWS cloud infrastructure.Applied expertise in Packer, Chef, and Ansible for infrastructure provisioning, configuration, and automation.

● Worked with Docker and Kubernetes onmultiplecloudproviders,managingcontainerization,CI/CD,and evaluating Kubernetes for Docker container orchestration.

● Implemented Kafka and RabbitMQ clusters on AWS to facilitate asynchronous communication between

● microservices and decouple application components.

● Implemented monitoring tools such as Nagios,SPLUNK,ELK,and load balancing.Ensured efficient monitoring with Nagios and SPLUNK, checking the health of applications.

● DevelopedPowerShellscriptsforfetchinginformationfromwebpagesandautomatingroutinetasksusing python boto3 modules.

● UsedPowerShellscriptingforautomationtasks,systemadministration,andconfigurationmanagementon Windows Server and also worked with Windows Server monitoring andtroubleshootingtoolslikeEvent Viewer, Performance Monitor, and Resource Monitor.

● Led the implementationofOpenShiftContainerPlatformonIBMcloudforlarge-scaleenvironments,with over 5 years of hands-on experience in setup and configuration on IBM.

● Designedandimplementedinfrastructureascode(IaC)solutionsusingAWSCloudFormationtoprovision Couchbase clusters, ensuring scalability and high availability.

● DevelopedcomprehensivetestsuitesinSOAPUItovalidateAPIendpoints,requestandresponsepayloads, HTTP status codes,and error handling mechanisms,contributing to robust and error-free API implementations.

● Centralized log management usingDataDog,aggregatinglogsfrommultiplesourcesforreal-timeanalysis and troubleshooting.

● Created custom log pipelines in DataDog to parse,filter,and enrich log data for better insights and correlation with metrics.

● DeployCloudFront,Amazon'sglobalcontentdeliverynetwork,todistributecontenttoend-userswithlow latency and high transfer speeds, leveraging AWS's global infrastructure.

● Designed and deployed AWS services such Glue and Step Functions to support data ingestion, transformation, orchestration, and serverless computing within the Databricks environment.

● Collaborated with cross-functional teams,contributing to the continuous improvement of processes and technologies and also configured RBAC for cloud environments.

● Developed and maintained scripts in Python and Bash for automating deployment processes,ensuring seamlessandconsistentapplicationreleasesandalsoIdentifyingandresolvingperformancebottlenecksin cloud-based environments.

● Supervised backend logic and RESTful APIs using Node.js to handle server-side operations and Implemented real-time communication and data streaming using technologies like WebSockets and Socket.IO in Angular and Node.js applications.

● Implemented security best practices and compliance standards within the Databricks environment, leveraging AWS Identity and Access Management (IAM)policies,encryption mechanisms,and network controls to protect sensitive data and ensure regulatory compliance.

● Demonstrated expertise in Linux operating systems and VMware hypervisor,essential for managing OpenShift deployments on IBM cloud.

● Demonstrated proficiency in dynamic analysis security testing (DAST)methodologies for thorough assessment of web application security.

Environment:Azure,RHEL,NodeJs,RabbitMQ,Kafka,Windowsserver,IIsWebServer,CloudFront,Puppet,Helm, IBMcloud,Terraform,CouchBaseDB,Openshift,Kubernetes,Chef,Ansible,Docker,Kubernetes,Jenkins,GIT,Maven, SPLUNK, Nagios, DataDog, Python Scripts, KICKSTART, Java/J2EE, Linux, VMWare, Prometheus and Grafana. State of Indiana Indianapolis, IN

AWSDevOps Engineer Jul 2021 - Dec 2022

Roles & Responsibilities:

● Automated Build and Deployment process-setup Continuous Integration and Continuous Deployment of applications onto different environments like Dev, QA, and Production.

● Designing,deploying,and maintaining the application servers on AWS infrastructure,using services like EC2,S3,S3 Glacier,VPC,Lambda,Route53,SQS,IAM,CloudFront,RDS,EKS,ECR and CloudFormation etc.

● Installed,configured,and administered Couchbase Server clusters on AWS EC2 instances,optimizing cluster performance and resource utilization for high-throughput applications.

● Skilled in configuring and optimizing Red Hat JBoss EAP for various deployment scenarios,including standalone, domain mode, and clustering, to meet business requirements and performance goals.

● Worked with the different instances of AWS EC2,AWS AMI’s creation,managing the volumes and configuring the security groups.

● Integrated Helm with CI/CD pipelines,such as Jenkins or GitLab CI,to automate the deployment of Kubernetes applications, reducing manual intervention and accelerating time-to-market.

● Demonstrated expertise in troubleshooting and resolving issues related to Red Hat ECM and JBoss EAP, ensuring seamless operation and minimal downtime for critical business systems.

● Deployed Docker Containers in AWS platforms for containerization of multiple applications,dockerized applications which included packaging, tagging and pushing the image to the Jfrog Artifactory.

● Used Maven to buildartifactsfromsourcecodecheckedoutfromSubversionrepository,withJenkinsand Artifactory as repository manager.

● DevelopedRESTfulAPIsusingJavaSpringframework,facilitatingseamlesscommunicationbetweenclient applications and backend systems.

● Integrated GCP Firebase Cloud Functions to automate backend logic andtriggerevent-drivenworkflows, streamlining application development and enhancing user experiences.

● OrchestrateddeploymentpipelinesusingAWSCodePipelineandCodeBuild,automatingthebuild,test,and deployment processes for Angular and Node.js applications.

● Led the implementation of GCP Firebase forreal-timedatasynchronization,offlinesupport,andbackend services, enhancing the scalability and responsiveness of mobile and web applications.

● Leveraged AWS CDK (Cloud Development Kit)to define cloud infrastructure as code(IaC)usingfamiliar programming languages like TypeScript, Python, or Java.

● UsedtheAWS-CLItosuspendanAWS Lambda function.UsedAWSCLItoautomatebackupsofephemeral data-stores to S3 buckets, EBS using Boto3

● Supported the development of dynamicwebapplicationsforAPIIntegrationusingAngularframeworkto create responsive and interactive user interfaces with secure AWS Lambda.

● ImplementedbackupanddisasterrecoverystrategiesforCouchbasedatabasesusingAWSservicessuchas S3 and Glacier, ensuring data integrity and business continuity.

● Worked on AWS Lambda to runthecodeinresponsetoevents,suchaschangestodatainanAmazonS3 bucket, HTTP requests using AWS API Gateway, and invoked the code using API calls made using AWS SDKs.

● Designed, developed, deployed the complete CICD on cloud and managed services on AWS.

● UsingtheDockerfilecontainershasrunforthe MongoDB andlinkingitwithnewcontainerwhichwillbe the client container to access the data.

● Leveraged OpenShift's advanced features to automatedeploymentworkflowsandoptimizecontainerized application performance.

● Implemented and configuredPrometheusforcomprehensivemonitoring,collectingandqueryingmetrics, ensuring proactive identification of system issues.

● Worked on the AWS IAM service and creating the users &groups defining the policies and roles and Identify providers (RBAC).

● Worked with Terraform key features such as Infrastructure as code,Execution plans,Resource Graphs, Change Automation.

● IntegratedAzureDevOps(ADO)withversioncontrolsystemslikeGit,enablingefficientcodemanagement, branching, and merging strategies.

● Cloud infrastructure maintenance effort using a combination of Jenkins,Ansible and Terraform for automating CICD pipeline in AWS.

● Implemented and optimized microservices architecture,ensuring modularity,scalability,and resilience while leveraging containerization and orchestration platforms like Docker and Kubernetes for seamless deployment and management.

● Established compliance baselines using Puppet Enterprise's compliance feature to assess and enforce security and regulatory policies.

● DevelopedcustomdashboardsandvisualizationsinDataDogtomonitorkeyperformanceindicators(KPIs) and service health.

● OptimizedImperva'sCDNtoimprovethedeliveryofwebcontentandapplicationstoend-usersworldwide, ensuring low latency and high availability.

● Automated the continuous integration and deployments CI/CD using Jenkins, Docker,Ansible and AWS Cloud Templates.

● LeveragedServiceNowexpertisetostreamlineITservicedeliveryandsupportprocesses,enhancingoverall organizational productivity.

● UsedJenkinspipelinestodriveallmicroserviceswhichbuiltouttotheDockerregistryandthendeployed to Kubernetes by Creating Pods and managed using Elastic Kubernetes Service (EKS). Environment: Amazon Web Services (AWS),Glue,RHEL,,puppet,Windows,Helm,Imperva CDN,Angular Js, Openshift,AppDynamics,ServiceNow,EKSKubernetes,Jenkins,Ansible,Kubernetes,Python,Jira,Weblogic,Nginx, Dog,CouchBaseDB,UNIX,VMware,Artifactory,Shell,Perl,JSON,RHEL,IBMcloud,Docker,Git,GitHub,Bitbucket, ELK.

Texas Capital Bank Richardson, TX

Site Reliability Engineer May 2019 - June 2021

Roles & Responsibilities:

● Experience in handling Virtual Networks,Virtual Machines,Cloud Services,Resource Groups,Express Route,VPN,Load Balancing,Application Gateways,Auto-Scaling,and Traffic ManageronWindowsAzure IaaS.

● Executed manual and automated web penetration testing to identify and address potential security vulnerabilities in web applications.

● Deployed Virtual Machines with the Microsoft Monitoring Agent/OMS Extension using PowerShell Scripts.

● Configured Azure VM & EC2 instances, launching new instances with the same configuration using AMIs.

● Builtend-to-endCI/CDPipelinesinJenkinsforcoderetrieval,applicationcompilation,testing,andartifact deployment to Nexus Artifactory.

● WorkedcloselywithnetworkadministratorstoensureproperfirewallandportconfigurationforKerberos communication.

● Proficient in integrating Linux with Active Directory,possessing advanced knowledge of SystemSecurity Services for seamless authentication and access management across heterogeneous environments.

● Experience in VMware Cloud on AWS (VMC) for extending on-premises VMware environments to the cloud.

● Experienced in leveraging GenAI for automating code generation,testing,deployment,andinfrastructure provisioning tasks, streamlining the DevOps lifecycle and improving efficiency.

● Familiarity with the deployment of enterprise-grade applications on Red Hat JBoss EAP,ensuring high availability and scalability to meet business demands.

● Implemented infrastructure patterns and best practices using AWS CDK to automate the deployment of complex cloud architectures, including serverless applications, containers, and traditional workloads.

● ImplementedHelmchartlintingandtestingprocessestovalidatechartsyntax,identifypotentialissues,and ensure chart reliability and compatibility with Kubernetes clusters.

● AutomatedMicroservicesdeploymentbypullingimagesfromaprivateDockerregistryanddeployingtoa Docker Swarm Cluster and also worked with Docker components like Docker Engine,Hub,Machine, Compose, and Docker Registry.

● DevelopedcustomKerberosauthenticationmodulesandpluginstoextendfunctionalityandintegratewith third-party applications.

● Implemented and enforced reliability engineering practices,focusing on Service Level Objectives (SLOs), Service Level Indicators (SLIs), and Service Level Agreements (SLAs) to ensure system reliability.

● Developed an automation job in Java and python to copy essential information periodically for internal application communication.

● Collaboratedwithcross-functionalteams,includingDevelopmentandInfrastructure,toenhancetheoverall system's reliability using agile methodologies and best practices.

● Tested Cookbooks with Test Kitchen and Docker containers before uploadingtotheChefserverandalso proficient in Knife, Chef Bootstrap process, and automation of labeling activities in TFS.

● Implemented OpenShift to automate container deployment and management,enhancing scalability and resource optimization.

● Utilized OpenShift to streamline container orchestration,reducing manual intervention and ensuring efficient resource utilization.

● Developing and maintaining automation scripts and tools using PowerShell,PowerCLI,orotherscripting languages to automate routine tasks such as provisioning,

● Leveraged expertise in Python,R,SQL,and other programming languages for data analysis and ML development, contributing to the creation and deployment of advanced AI models.

● Applied Dynamic Analysis Security Testing (DAST)methodologies to assess and enhance the security posture of applications, identifying and remediating potential threats.

●

Environment:AWS,Azure,Jenkins,RHEL,Openshift,Kerberos Authentication,AWS CDK,AWS Step Functions, CloudFront,Chef,Nagios,Java/J2EE,.NETGIT,Github,Bamboo,WebLogic,OWASPPentesting,PowerShell,Docker, Nexus, Python, Bash, Chef Server, Tomcat, nginx, CentOS, Unix, DAST, JIRA, Sonar. Guild Mortgage Houston, TX

AzureDevOps Engineer/SecOps Jun 2018- Apr 2019

Roles & Responsibilities:

● Collaborated with multiple development teams and system analysis teams to establish robust build schedules,troubleshootbuildsystemfailures,andprovidedeploymentguidelinesforhigherenvironments, streamlining the development lifecycle.

● Implemented Azure DevOps services,encompassing Azure Boards for project planning,Azure Repos for version control,Azure Pipelines for continuous integration and deployment,AzureTestPlansfortesting, and Azure Artifacts for package management, ensuring a comprehensive and streamlined DevOps lifecycle.

● ExperiencedinDNS(DomainNameSystem)configurationandmanagement,includingdomainregistration, DNS server setup,record management,and troubleshooting DNS resolution issues to ensure seamless domain name resolution.

● Provision,deploy,andmanagedAzureresourcessuchasvirtualmachines,databases,storageaccounts,and networking components

● Designed and developed scalable and efficient APIs to handle high volumes of concurrent requests, optimizing performance using caching and load balancing techniques.

● Implemented resource groups and tags to organize and categorize Azure resources effectively

● Implemented Azure Site Recovery and Azure Backup solutions,enhancing data protection and disaster recovery capabilities for critical applications.

● Established comprehensive metrics and reporting mechanisms to track security incidents,trends,and performance, enabling data-driven decision-making and continuous improvement initiatives.

● Automated CI/CD pipelines using industry-leading tools such as Jenkins,Git,Maven,and orchestrated containerized applications with Docker and Kubernetes, ensuring efficient and consistent deployment.

● Installed and configured an automated tool Puppet that include installation and configuration of Puppet master,Agent nodes,and an admin control workstation.Experienced in writing modules for Puppet and good understanding to analyze the manifests.

● Implemented and enforced reliability engineering practices,focusing on Service Level Objectives (SLOs), Service Level Indicators (SLIs), and Service Level Agreements (SLAs) to ensure system reliability.

● SpearheadedtheintegrationofSonarQubeforcomprehensivecodecoverageanalysis,ensuringhigh-quality code standards and identifying areas for improvement in the development process.

● Integration with SonarQube for code coverage, Selenium for automated tests.

● Orchestrated the seamless migration of new projects to Azure DevOps (ADO),optimizing build and deployment processes,and collaborated with developers to refactor Maven Pom.xml files for enhanced compatibility with Azure Artifactory.

● Familiarity with VMware vSphere Update Manager (VUM)forpatchmanagementandupdatesacrossthe VMware environment.

● Solid grasp of TCP/IP networkingprinciplesandnetworkservices,enablingeffectivecommunicationand connectivity within complex network infrastructures.

● OrchestratedthedeploymentofJavaSpring-basedRESTfulAPIsusingCI/CDpipelines,ensuringautomated and reliable delivery from development to production environments.

● ImplementedrobustsecuritymeasuresforJavaAPIs,includingOAuth2.0andJWTtokenauthentication,to enforce access controls and protect sensitive data in transit.

● Skilled in VMware Site Recovery Manager (SRM)for disaster recovery planning,testing,and automated failover/failback procedures.

● Implementing high availability and fault tolerance solutions on existing Windows Server platforms, including failover clustering and network load balancing.

● Extensiveexperienceinimplementingself-servicepasswordreset(SSPR)solutionsinAzureADorsimilar access management tools, enhancing user convenience and reducing helpdesk support overhead.

● MajorfocusonConfiguration,SCM,Build/ReleaseManagement,Infrastructureasacode(IAC)andasAzure DevOps(ADO) operations Production and cross platform environments. Environment:MS Windows &Linux Servers,Azure,RHEL,Jenkins,Maven,GIT,GITHub,SVN,Jira,Java/J2EE plugins, .net plugins, Shell (bash), Apache, Tomcat Application Server, IIS, Python Scripts. ZEST Money Bengaluru, India

Linux Administrator(RHEL)Nov 2015 – July 2017

Roles & Responsibilities:

● Installation, configuration, backup, recovery, maintenance and support of RedHat Linux and Solaris.

● User account management worked with shell scripting (bash) to automate administration tasks.

● Responsible for installing, upgrading and managing packages via RPM and YUM.

● Installed Fuse to mount the keys on every Debian Production Server for Password-less authentication.

● Installed and Configured DHCP server to give IP leases to production servers.

● Implemented Kerberos authentication protocol to secure access to distributed systems and applications.

● Configured and managed Kerberos realms,including key distribution centers (KDCs)and authentication servers.

● IntegratedKerberosauthenticationwithvariousservicesandapplications,suchaswebservers,databases, and file systems.

● Conductedregularsystemauditstoensurecompliancewithsecuritypoliciesandpromptlyaddressedany vulnerabilities and collaborated with development teams to optimize application performance and troubleshoot issues related to the server environment.

● Automated routine tasks using Bash scripting,significantly reducing manual workload and improving efficiency.

● Proficient in TCP/IP networking protocols,including IP addressing,subnetting,and routing,to ensure efficient communication between devices on local and wide area networks.

● Installation,Configuration and administration of DNS,DHCP,LDAP,NFS,NIS and send mail on Red hat Linux/Debian servers and also configured Apache/Tomcat web server.

● Troubleshooting Day-to-Day issues with variousServersondifferentplatformsandmanagingFilesystem Administration, Setting up Disk Quota, solutions on SAN/NAS storage.

● Configuration and administration of Clustered servers on the SUSE Linux environment and Configuring backups on newly built servers and monitoring failed backups.

● Installation of patches and packages using RPM and YUM in Redhat Linux and configuration of Ubuntu, Centos on remote servers and Desktop servers.

Environment:RedHat Linux (RHEL 7),UNIX,Solaris,Shell Scripting (bash),RPM,Kerberos,YUM,Fuse,Debian, RHEL,DHCP,HighAvailability,Failover,DNS,LDAP,NFS,NIS,SMTP,SAN,NAS,SUSELinux,Ubuntu,CentOS,Apache, Tomcat.

PG Corporation Bengaluru, India

Linux System Administrator(RHEL)Aug 2013 - Oct 2015 Roles & Responsibilities:

● Coordinating different tasks with different teams for creating usage models for different projects.

● Involved for setting up of Subversion-SVN server, server maintenance, Client machines setup.

● Developing and maintaining Standard Operating Procedures documents and Perl scripting.

● Performed regular buildsanddeploymentofthepackagesfortestingindifferentEnvironments(DEV,QA, CERT, UAT and PROD).

● Configured the different (Hosted,Proxy and Virtual)repositories based on the requirements to share artifacts within the company.

● Used IBM Web Sphere as web application server for deploying artifacts.

● WritingShellandPerlscriptsforautomateddeploymentsespeciallyinhandlingallthetasksbeforekicking off WSADMIN scripts or admin console deployments.

● Developed scripts and automation tools to streamline the deployment and maintenance of Kerberos infrastructure.

● Conducted security audits and vulnerability assessments to ensure compliance with

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