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Click here or scroll down to respond to this candidateCandidate's Name
Email: EMAIL AVAILABLEContact: PHONE NUMBER AVAILABLELooking for only C2CSummary:A professional with 10+ years of diversified experience in IT Industry as Site Reliability Engineer/DevOps/Middleware/System Administrator which includes IBM WebSphere Application Server7.x/8.x, JBoss EAP 6.x/7.x and Tomcat on various Operating Systems like Linux and AIX alongside DevOps Engineering which includes Configuration Management (Chef, Ansible), Continuous Integration, Configuration Management (SCM), Continuous Deployment, Release Management, Cloud Implementations (AWS) Build and Release management and Process Engineering.Implemented AWS Cloud Computing services, such as EC2, S3, EBS, VPC, ELB, Route53, SNS, NACL, EMR, Cloud Watch, Security Groups, Cloud Trail, IAM, Cloud Front, Snowball, EMR, Lambda, RDS and Glacier.Exposure with vulnerability scanning tools such as Checkmarx, Coverity, SonarQube, Advanced experience with vulnerability assessment and reporting including comprehensive understanding of Vulnerability Management methodologies and procedures and application and infrastructure vulnerability scanning solutions.Implemented automation of AWS infrastructure via Terraform and Jenkins - software and services configuration via Ansible playbooks.Hands-on experience in Terraform to transform the infrastructure from on-premises to cloud. Worked on Docker Container snapshots, attaching to a running container, removing images, managing director structures and managing containers.Strong experience in Planning and Implementation of Continuous Integration (CI) and Continuous Deployment (CD) using GIT, Maven, Jenkins and Urban Code Deploy, Chef deploy.Hands on experience with build tools like, Team City, Sonar, Bamboo, Maven, ANT. Worked with different Bug tracking tools such as JIRA, Rally, to manage and track project and application progress.Configuring and updating the servers with configuration management tools like Chef, Ansible for continuous integration and continuous delivery on Multiple platforms and container management tools like Docker, Kubernetes, AWS-ECS.Writing Chef Cookbooks and recipes to automate the deployment process and to integrating Chef Cookbooks into Jenkins jobs for a continuous delivery framework also to bootstrap nodes for configuration of system management to automate repetitive tasks.Used Ansible and Ansible Tower as configuration management tool, to automate repetitive tasks, deploy applications and manage changes and automate software update and Verify functionality.Experience on Continuous Integration and Continuous deployment using various CI tools like Jenkins, Hudson and automating deployments using Continues Integration tools like Jenkins on Application Server JBOSS and Tomcat.Expert in using different source code version control tools like GIT, Subversion and Defining Branching strategies and CM build cycle in a complete SDLC for different projects.Experience in maintaining applications by Monitoring logs information, Resources usage and performance and get the Health and Security notifications from AWS nodes by using Monitoring tools like Splunk, ELK (Elasticsearch, Log Stash, and Kibana),Nagios and AppDynamics, Datadog and created monitors, alarms & notifications for EC2 hosts using CloudWatch.Experience Achieving High Availability with the help of monitoring tools like (SPLUNK, ELK) and automated Logstash (ELK Stack) as a part of Server Build and building Elasticsearch (ELK Stack).Experience working on Docker hub, creating Docker images and handling multiple containers as a cluster with Docker Swarm, Weave and Compose for various applications.Worked on Docker service rolling updates, BLUE GREEN DEPLOYMENT to implement zero downtime PROD deployments.Expertise in Installation and Configuration on Networking concepts such as TCP/IP, VPN, VLANs, routing in LAN/WAN, Ethernet Port and wireless networks, DNS, DHCP, NIS, NFS, LDAP and web hosting administration such as Apache HTTP, Nginx & Tomcat.Proficient in scripting using Bash, Ruby, Python and Groovy scripts. Ability to integrate build System to Bug Tracking System. Ability in Authoring and Maintaining Shell Scripts and Perl Scripts.Expertise in configuring a standalone, domain, deploying applications, configuring data sources, logging and web subsystems in JBOSS(6.x/7.x) Application server and administering JDBC Connection pools/Data sources, JMS Connection Factories and other JMS artifacts like JMS Servers, Distributed Queues.Good knowledge in configuring High Availability Manager for failover & recovery techniques, handling Web Server Load balancing, clustering and Fail over. Analyzing Heap dumps and thread dumps using Jconsole and jstack tools. Experience in Core dumps, Thread dump, Memory leak and Verbose GC analysis.Experience in troubleshooting Garbage Collection Issues and Memory Leaks Issues and adjusting the JVM Heap Sizes and GC Parameters, analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.Performed support like monitoring, migrations, backups, troubleshooting, configuration changes, general server health checkup, applying service packs and patches, upgrade activities, stale file monitoring, disk clean up.Education:Masters in IT, Pittsburg State University.Technical Expertise:O Operating SystemsSolaris 8/9/10, LINUX (REDHAT 5/6, SLES 9/10), Windows 2003/2008 serverDatabasesOracle 10g/11g, MS SQL Server PHONE NUMBER AVAILABLE, DB2 9.x/10Application ServersIBM WebSphere Application Server 6.x/7.x/8.x, WS MQ 6.x/7.x, Tomcat 7.x/6.x and Jboss EAP 5.x/6.xWeb ServersIBM Http Server 6/7/8, Microsoft IIS 6/7, Apache Http Server 2.0/2.2Directory ServerIBM Tivoli Directory Server 5.0/6.0, Sun One Directory Server 6.0, Netscape Directory server 5.1, Microsoft Active Directory ServerTools & OthersCA Wily Introscope, Tivoli Performance Viewer, Heap Analyzer, Thread Analyzer, Microsoft Visio, MS office, Splunk, Dynatrace, Jira, SNOWBuild/AutomationDocker, Kubernetes, Helm, OpenShift, Rancher, Anthos, Ansible, Puppet, Chef, Ant, Maven, JenkinsWeb / ProgrammingServlets, JDBC, JSP, XML, HTML, .Net, Java Script, Java/J2EE, C, C++, Perl, Python, ShellProfessional Experience:Cox communications, Atlanta, GA April 2021 PresentSite Reliability EngineerManaged Azure Infrastructure Azure Web Roles, Worker Roles, VM Role, Azure SQL, Azure Storage, Azure AD licences, virtual machines Backup and Recover from a Recovery Services Vault using Azure PowerShell and Azure Portal.Used Azure Kubernetes Service to deploy a managed Kubernetes cluster in Azure and created an AKS cluster in the Azure portal, with the Azure CLI, also used template driven deployment options such as Resource Manager templates and Terraform .Implemented microservices, application development, and migration using AWS/Azure services such as Azure DevOps, Kubernetes Service (AKS), Container Registry, Cosmos DB, and Grafana, Azure pipelines, Monitor, RBAC, AWS Kubernetes EKS and Kubernetes API to run workloads on EKS ClusterImplemented idea of secret management for micro services, and creating service and ingress rules for each micro service. Worked on setup the Kubernetes sandbox on Azure Kubernetes Services (AKS) for testing the different features.Design, build, test and maintain data pipelines, data integration, ETL processes and data management delivery within a global data lake and data warehouse environment within the Microsoft Azure Cloud Solutions.Building the pipelines to copy the data from source to destination in Azure Data Factory (ADF V1)Worked on creating dependencies of activities in Azure Data factoryCreating Stored Procedure and Scheduled them in Azure EnvironmentDesigns and develops ETL solutions using data warehouse design best practices in a SQL Server.Extensively Worked on Star Schema, Snowflake Schema, Data Modeling, Logical and Physical Model, Data Elements, Issue/Question Resolution Logs, and Source to Target Mappings, Interface Matrix and Design elements.Design and develop logical and physical data models that utilize concepts such as Star Schema, Snowflake Schema and Slowly Changing DimensionsImplemented Jenkins jobs to create Azure Infrastructure from GitHub repositories containing Terraform code and created on-premises active directory authentication using automation with ansible play books.Deployed and configured Chef server including bootstrapping of Chef client nodes for provisioning and experience in developing Chef recipes through Knife command-line tool, customized Ruby scripts to create Chef cookbooks to manage systems configuration on Chef Server to initiate Chef Nodes.Automated the Migration of the Jenkins server and moving the jobs from SCM Git and resolve conflicts related to merging of source code for GIT and further configuring with SonarQube to test the quality and analyze the bug fixes.Automate manual tasks involved in server builds and server modifications using Ansible playbooks. Used Ansible to manage configuration within the Linux servers, install and configure services using cookbooks and playbooks as part of automation.Configured Ansible Playbooks using Python to manage Azure environments and automate the build process for core services used by all application deployments.Worked with Windows AZURE(IaaS) migrating like creating AZURE VMs, storage accounts, VHDs, storage pools, migrating on premise servers to AZURE and creating availability sets in AZURE. Deployed VMs as scale sets (VMSS), availability sets (AVsets), with it, the application will have the scalable ability to grow up or contract as per the needs.Involved in creating and managing multiple instances of Apache Tomcat and deployed several test applications in those instances for QA environment.Wrote Python Scripts to Monitor Variety of Services & Perl Scripts with Hash/Arrays to Insert/Delete/Modify content in multiple servers. Wrote Python and Shell scripts to monitor installed enterprise applications and to get information from the logs and database in the required format and other daily activities and jobs.Expertise in Cloud automation technologies such as Cloud Formation and Terraform and experienced in using Terraform for building, changing, and versioning infrastructure and configure existing and cloud infrastructure as well as custom in-house solutionsDeveloped Dev/Test/Prod environments of different applications on AWS by provisioning Kubernetes clusters on EC2 instances using Docker, Bash, Chef, and TerraformPlayed a key role in automating the deployments on AWS using GitHub, Terraform, Puppet, Chef and Jenkins .Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration.Implemented AWS Code Pipeline and Created Cloud formation JSON templates in Terraform for infrastructure as code.Worked in container based technologies like Docker, Kubernetes and OpenshiftConfigured CI/CD system with Jenkins on Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build and test and deploy.Experience working on several Docker components like Docker Engine, Hub, Machine, Compose and Docker Registry. Created multiple Containers with Specific Run Times and Proxying using NGINX for Virtual Hosting Containers in Single Docker Host.Troubleshooting issues on Ansible, Red Hat satellite servers, Chef and Azure portal. Resizing the servers and adding storage on cloud servers through PowerShell and Azure portal.Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects & Created Mail handlers and notification Schemes for JIRA.Installation of Redhat Linux, Kickstart Installation through SATELLITE Server, Installed and configured Efficiently managed Disk and File system through Veritas Volume Manager, Logical Volume.Using vmstat, iostat, SAR, tnsping & netstat to determine the system and network health. Performing failover and integrity test on new Red hat servers before rolling out to production.Dynatrace Agents installation on multiple platforms. Monitored Custom business transactions to capture argument/session attributes by using Dynatrace.Created Dashboards using Wily Introscope and Dynatrace to monitor Various Applications.Cox communications, Atlanta, GA July 2017 Mar 2021Sr. DevOps EngineerWorked for DevOps Platform team and responsible for specialization areas related to Ansible, Docker, Kubernetes, OpenShift, Rancher, Anthos for Cloud Automation.Responsible for setting up the Dev, QA, STG, Pre-Prod, Prod environments which includes installing and configuring JBOSS/Tomcat clusters, data sources, log clean up scripts and automate using Ansible.Automated various infrastructure activities like Continuous Deployment, Application Server setup, Stack monitoring using Ansible playbooks and has Integrated Ansible with Jenkins.Configured Generic data source, Multi data source using configuration management Process using Ansible.Developed Ansible scripts for an automated server provisioning and Docker images for isolation, reducing the time between provisioning and deployment.Created Docker images using a Docker file, worked on Docker container snapshots, removing images and managing Docker volumes.Involved in building own PaaS with Docker and deployed various applications through Dockers containers.Used Kubernetes to provide a platform for automating deployment, scaling, and operations of application containers across clusters of hosts.Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on OCP (OpenShift Cloud Platform).Migrate infrastructure from OCP (OpenShift cloud platform) to GCP (Google cloud platform).Implemented Kubernetes to orchestrate the deployment, scaling and management of Docker Containers.Created Jenkins pipelines to drive all micro services builds out to the Docker registry and then deployed to Kubernetes.Developed microservice on boarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services.Writing Helm Charts, Kubernetes yaml files for deployment of microservices into Kubernetes clusters.Migration of Pega from 7.2 to 7.3 and 8.2 and 8.4.Tuning and Monitoring the overall applications and system health with the statistics average response time, number of requests (transactions) and number of live http sessions, web server thread pools, the Web and Enterprise JavaBeans thread pools, database and connections pools, java virtual memory, CPU, I/O and System Paging.Installed and configured plug-ins proxy and mod_jk on Apache Web Server to integrate JBOSS Application Server.Deployed WAR & EAR files in JBOSS application server hosting clustered environments.Worked with Linux team to get the firewall open for the JBOSS instances to Database and LDAP servers.Configuring of JDBC connections and data sources with Oracle database server, troubleshooting and fixing up problems.Generated certificates with key tool, OpenSSL and get certificate signed with VU signing authority and imported to key store in respective environment.Worked with F5 team to get the VIP set up for the Dev, Test and Production environments.Configuring User Authentication Stores and Policy Authorization Stores on LDAP.Worked as a SiteMinder, LDAP and Webserver administration. Worked exclusively on the end-to-end implementation and maintenance of Single Sign ON.Troubleshoot admin server start-up issues, java code defects after deployment and class path issues by checking the JVM logs, plug-in logs and the web server logs.Installed and used monitoring tool like Newrelic/Splunk. Configured and Managed Monitoring Tools such as Newrelic and Splunk for Resource Monitoring/Network Monitoring/Log Trace Monitoring.Monitor the current health of the apps and create alerts about escalating conditions before they affect the users using New relic.Developed Splunk dashboards, visualizations, configurations using customized Splunk queries.On call 24x7 production support and maintenance of Applications Servers on a rotation basis.AT&T, Atlanta, GA Dec 2016 June 2017Assoc. Tech SpecialistInstalled, configured and administered JBoss EAP 7.x/6.x in different environments like Development, QA, UAT and Production on Linux (RHEL 5).Configured the data sources, message queues and security domains for applications on JBoss application server and created JBoss specific.Responsible for building the Dev, Test, QA, and Prod environments by installing JBoss.Worked closely with APM team for configuring Wily Introscope and Dynatrace for monitoring of JBoss instances.Deployed WAR & EAR files to JBoss EAP 7.x/6.x application servers using scripts. Installed Apache Http server and configured cluster for load balancing JBoss cluster. Generated SSL Keystores and configure for JBoss EAP 6.x.Designed and created JBoss EAP 7.x/6.x instances and managed Servers in Training and QA environment as well as provided support to the System Test, QA and Production Environment.Migrated JBoss EAP 6.x to 7.x.Assisted in several Load tests and fine-tuned JBoss Application servers to produce the best results.Review, analyze and identify the recommendations relating to the JBoss Architecture and Design.Performed routine management of JBoss environment like monitoring Disk Space and CPU Utilization.Worked on AEM and JBoss Commerce reference applications (Merchandising, Personalization) and platform (shopping cart and catalog, personalization engine and content management).Developed Dev/Test/Prod environments of different applications on AWS by provisioning Kubernetes clusters on EC2 instances using Docker, Bash, Chef, and Terraform.Played a key role in automating the deployments on AWS using GitHub, Terraform, Puppet, Chef and Jenkins .Automate provisioning and repetitive tasks using Terraform and Python, Docker container, Service Orchestration.Implemented AWS Code Pipeline and Created Cloud formation JSON templates in Terraform for infrastructure as code.Involved in Architect, build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS Cloud Formation and Jenkins for continuous integration. Configured Elastic Load Balancers with EC2 Auto scaling groups; Created multi AWS VPC instances.Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.Implementing a Continuous Delivery framework using Jenkins, Chef, Maven in Linux environment.Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system. Made use of Jenkins for Chef CI, Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development.Build New Nexus Sona-type Repository server using Chef CI/CD. Debug the Recipes and cookbooks using test kitchen and upload them into chef-server.Managed all GITHUB and GITLAB enterprise repositories, and bootstrapped GitHub using Chef, upgrade the versions, Patching using YUM, Updating security updates to the repositories.Creating a fully Automated Build and Deployment Platform and coordinating code build promotions and orchestrated deployments using Jenkins and GitHub.Coordinate & Execute the daily Jenkins Build & Deploy jobs.Created Jenkins Job's for Build & Deploy Process listed across all environments (DEV, SIT, and STAGE & PROD)Used Jenkins innovatively to automate most of the build related tasks. Improved throughput and efficiency of build system by providing EO/managers rights to trigger required build.Setting up the build and deployment automation for Java base project by using JENKINS and Maven.Shell scripts written in Bash to automate the deployments for the AEM application. Managed the deployment activities for multiple server instances by enabling password less ssh communication between the servers and utilizing the rsync.Troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU.Performed analysis of GC activity for performance analysis using IBM Pattern Modeling and Analysis Tool. Analyzed Java Core and Heap dumps using IBM Thread Analyzer and Heap Analyzer tools.Setup Session replication using memory-memory replication.Create and configure standard dashboards to monitor application availability, page response times, script bottlenecks, CPU, memory utilization across web pages, etc.Installed, tested and deployed monitoring solutions with Splunk services. Created and configured management reports and dashboards.Resolved configuration-based issues in coordination with infrastructure support teams. Used JIRA/SNOW for project management and GIT /Source tree for repository.Neiman Marcus Irving, Tx Feb 2016 Nov 2016Web Application Server AdministratorInstalled, Configured, Administered and Supported JBoss EAP 6.x/5.x on Linux/Windows platform in different environments like Development, QA, UAT and Production on Linux (RHEL 5).Configured the data sources, message queues and security domains for applications on JBoss application server and created JBoss specific, built the Dev, Test, QA, and Prod environments by installing JBoss.Worked closely with APM team for configuring Wily Introscope and Dynatrace for monitoring of JBoss instances.Deployed WAR & EAR files to JBossEAP 6.x application servers using scripts. Installed Apache Http server and configured cluster for load balancing JBoss cluster. Generated SSL Keystores and configure for JBoss EAP 6.x.Designed and created JBoss EAP 5.x/6.x instances and managed Servers in Training and QA environment as well as provided support to the System Test, QA and Production Environment.Migrated JBoss EAP 5.1.2 to 6.4.0 and applied patch 6.4.9, assisted in several Load tests and fine-tuned JBoss Application servers to produce the best results.Review, analyze and identify the recommendations relating to the JBoss Architecture and Design.Performed routine management of JBoss environment like monitoring Disk Space and CPU Utilization.Worked on Oracle ATG and JBoss Commerce reference applications (Merchandising, Personalization) and platform (shopping cart and catalog, personalization engine and content management).Installed Chef-Server Enterprise On-Premise/WorkStation/ Bootstrapped the Nodes using Knife.Designed and implemented Chef, including the internal best practices, cookbooks, automated cookbook CI and CD system. Made use of Jenkins for Chef CI, Thor for versioning, Berkshelf for dependency management, and Test-Kitchen for testing and development.Build New Nexus Sona-type Repository server using Chef CI/CD. Debug the Recipes and cookbooks using test kitchen and upload them into chef-server.Managed all GITHUB and GITLAB enterprise repositories, and bootstrapped GitHub using Chef, how to upgrade the versions, Patching using YUM, Updating security updates to the repositories.Developed and supported the Red Hat Enterprise Linux based infrastructure in the cloud environment.Shell scripts written in Bash to automate the deployments for the ATG application. Managed the deployment activities for multiple server instances by enabling password less ssh communication between the servers and utilizing the rsync utility in the Shell scripts.Troubleshooting issues like Server hang, keep alive threads, HTTP threads, Application Deadlock, Perm Gen space, Out of Memory Issue, High memory usage and High CPU.Involved in Trouble shooting and Performance tuning using Tivoli Performance Viewer and Wily Introscope.Performed analysis of GC activity for performance analysis using IBM Pattern Modeling and Analysis Tool. Analyzed Java Core and Heap dumps using IBM Thread Analyzer and Heap Analyzer tools.Dynatrace Agents installation on multiple platforms. Monitored Custom business transactions to capture argument/session attributes by using Dynatrace.Create and configure standard dashboards to monitor application availability, page response times, script bottlenecks, CPU, memory utilization across web pages, etc.Installed, tested and deployed monitoring solutions with Splunk services. Created and configured management reports and dashboards.Professional Access Software Pvt. Ltd Hyderabad, India Aug 2012 Apr 2014System/WebSphere AdministratorInstalled and configured WebSphere Application Server in multi clustered high availability environments used Update Installer to update with fix packs. Automated the tasks with Shell scripts using silent response files.Configuring security of WebSphere using LDAP registry (Microsoft Active Directory).Maintenance of WebSphere backups using backup Config, applying fix packs and Refresh packs for WebSphere Application Server.Performed automated J2EE code deployment in WebSphere Application and Apache Tomcat hosted on AIX and Red Hat Linux Operating System using WSADMIN and SHELL scripts.Maintained and managed Servers WebSphere Application Server and Apache Tomcat in Production, Staging and QA servers.Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet, or custom-built. designing cloud-hosted solutions, specific AWS product suite experience.Worked on VMware API's and AWS API building applications with developers and end users with performance monitoring and tuning by using the Tivoli Performance Viewer.Configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to Puppet clientsInstall and Configure Apache Tomcat 6/7 and provide extensive support in deployment and application server level troubleshooting for all the environments.Created Centralized Installation Manager Repository (CIM), Installed Fix Packs using CIM to the target nodes and updated it to the level of deployment manager.Configured Apache module mod_jk to connect to the Tomcat container, Configured SSL on Apache HTTP Server using mod_ssl.Configure Site minder on IBM HTTP Server for single sign on (SSO).Involved in installing Web Servers like IBM Http Server and installing corresponding plug-ins on the Web Servers to communicate with the Application Server. Deployed applications using deployment scripts and administration console.Used Web Sphere Admin Console and WSadmin/JACL/Perl scripting to install enterprise EAR, WAR files or for hot deployment.Monitored for application core dumps or forced thread dumps and analyzed the dumps to check for issues using thread analyzer.Worked with couple of Load Balancers like F5 and Big-IP in Production environments using Routing algorithms like Round Robin.Worked on VMware Site Recovery Manager for the disaster recovery and managed recovery plans, Install/Configure and troubleshoot VMware Director and administrating multiple labs and test environment.Working on SAN storage on ESXI servers and assigning the LUNs to the Virtual Machines running on the ESXi server, troubleshooting by analyzing log files using the Log Analyzer tool and by running traces.Documentation of all procedures and any other critical issues.24x7 on-call support on a rotation basis. |
