AREAS OF EXPERTISE:

• AWS
• AEM
• Microsoft Azure
• Openstack
• Ant & Maven
• Cloud Formation
• Cloud Foundry
• Red Hat Linux, VMWare ESX/ESXi Administration
• Kickstart & Jumpstart
• Load Balancing, Clustering and Mirroring
• Cassandra and MongoDB, Oracle,MySQL,SQL server
• Cloud watch and New Relic
• Puppet, Chef & Ansible
• Jenkins
• Docker
• Nginx & F5 Load Balancer
• Python,Ruby & Shell scripting
• Configuring and Administering LDAP, DHCP, Mail Servers & Web Servers
• Storage allocation and Disk Dynamic Multi pathing
• Automated Patching
• Productivity Improvement
• Systems Installation, Configuration & Upgrading
• Terraform
• Kubernetes
• GIT, SVN
• Nagios & Splunk Administration
• JIRA
• Active Directory
• Installing and maintaining PostgreSQL& MySQL
• OS migration
• Packages installation

TECHNICAL EXPERIENCE:

Operating System: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP - UX 11.0, 11.31, IBM AIX (4.3/5.x/6.x/7.x), HPUX11i V1, V2 & V3, SLES 10, 11 & 12, Ubuntu 13/14, Windows (2008 R2, 2012, 2016).

Application Servers: Web Logic Application Server 9.x, 10.x, Apache Tomcat 5.x/7.x, Red Hat JBOSS 4.22.GA, WebSphere 6.x/7.x/8.x

Web Server: Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Clusters: VERITAS Clusters, HACMP (High Availability)

Volume Manager: VERITAS Volume Manager, Solaris Volume Manager, LVM with Linux, AIX-LVM

Backup Management: Veritas NetBackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, Tivoli, Symantec Netbackup 7.x

Cloud Environments: AWS,AZURE, Openstack

Automation Tools: Chef, Puppet, Ansible, Jenkins, Kickstart, Jumpstart, Opsworks

Networking/Protocol: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

Virtualization Technologies: VMware ESXi, Windows Hyper-V, Power VM, Virtual box.

Scripting: Perl, Python, Ruby, Bash Shell scripting, PowerShell

Version Control Tools: Git, Subversion

PROFESSIONAL EXPERIENCE:

Confidential, Pasadena, California

Cloud/DevOps Engineer

Responsibilities:

• Experience in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, VPN, Load Balancing, Application Gateways, Auto-Scaling, Traffic Manager.
• Architected, planned, developed & maintained Azure Infrastructure using Terraform templates.
• Written Templates for Azure infrastructure as a code using Terraform to build staging and production environments.
• Hands on experience on Backup and restore Azure services. Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.
• Experience in integrating cloud services in to DevOps framework (GitHub, Jenkins, Ansible, Splunk) which enables API request to provision and configure infrastructure through infrastructure as code capability.
• Worked with architecture, cloud, server, middleware, and application teams to complete detailed technical design for Migration from AWS to Azure implementation
• Used Terraform and did "Infrastructure as code" and modifying terraform scripts as and when configuration changes happens for Azure.
• Automate infrastructure creation, deployment and recovery using Ansible, Docker, Terraform & Jenkins
• Expertise in deploying applications in Web Servers and DB Servers using Ansible.
• Automated various infrastructure activities like Continuous Deployment, Application Server setup, Stack monitoring using Ansible playbooks and has Integrated Ansible with Jenkins.
• Used Ansible Tower, which provides an easy-to-use dashboard and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.
• Working on Ansible to configure the servers, deploy software, and orchestrate continuous deployments or zero downtime rolling updates.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Used Ansible Tower for scheduling playbooks and used GIT repository to store our playbooks. Implemented continuous deployment pipeline with Jenkins
• Involved heavily in setting up the CI/CD pipeline using Jenkins, Maven, Nexus, GitHub, Ansible,Terraformand Azure
• Worked on developing Ansible Go Scripts for automating regular tasks.
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of AWS nodes and Tested Playbooks on AWS instances using PowerShell. Run Ansible Scripts to Provide Dev Servers.
• Developed automation scripting inPython(core) using ansible to deploy and manage Java applications across Linux servers.
• Integrating an application withAzureAD, Design/Implement a multi-site or hybrid network, Set up Site to Site & Point to Site VPN between on-prem andAzureNetworks
• Experience with container based deployments using Docker, working with Docker images, Docker Huband Kubernetes.
• Extensive experience on Jenkins, Build Forge and Docker for continuous integration and end to end automation for all build and deployments
• Developedmicroserviceonboarding tools leveragingPythonandJenkinsallowing for easy creation and maintenance of build jobs andKubernetesdeploy and services.
• Created JIRA projects, templates, workflows, screens, fields and other administrative activities
• Created custom templates for use within Confluence
• Responsible for design and maintenance of the GIT repositories and the access control strategies.
• Developed and Maintained build scripts using Maven on Jenkins to create application builds from source code repository GIT.

Confidential, Bentonville, Arkansas

Sr. Cloud/DevOps Engineer

Responsibilities:

• Experience in core AWS services (S3, EC2, ELB, EBS, Route53, VPC, auto scaling etc.) and deployment services (OpsWorks and Cloud Formation) and security practices (IAM, Cloud watch and Cloud trail).
• Managing a team of DevOps engineer for infrastructure support on AWS cloud. Creating cloudformation scripts for hosting software on AWS cloud. Automating the installation of softwares through powershell scripts. Using CloverETL migrated data toAWSRedshift.
• Performed AWS Cloud administration managing EC2 instances, S3, EBS, SES and SNS services.
• Build, Test and deploy applications by using pivotalcloudfoundry
• Using Bash and Python, included Boto3 to supplement automation provided by puppet andTerraformfor tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.
• Involved in Architect, build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS CloudFormation andJenkinsfor continuous integration.
• Automate provisioning and repetitive tasks usingTerraformand Python, Docker container, Service Orchestration
• Configure ELK stack in conjunction with AWS and using Logstashto output data to AWS S3
• Written Templates for AWS infrastructure as a code usingTerraformto build staging and production environments.
• Experience in user account management via LDAP, integrating active directory based accounts with Linux using likewise.
• Built Jenkins jobs to create AWS infrastructure from GitHub repos containingterraformcode.
• Utilizedkubernetesand dockerfor the runtime environment of theCI/CDsystem to build, test deploy.
• Wrote custom puppet modules for managing the full application stack (Tomcat/httpd/MySQL/Java)
• UsedJenkinsandpipelinesto drive all microservices builds out to theDockerregistryand then deployed toKubernetes, Created Pods and managed usingKubernetes
• Hands on experience withWindowsAzure, Cloud Services, Storage/Storage Accounts and Azure Traffic Manager
• Used Atlassian JIRA as ticketing tool for issue tracking and container management usingDockers.
• Created and updated Puppet manifests and modules, files, and packages stored in the GIT repository.
• Involved in Customization of Work Items and Transition Matrix in TFS.
• Proficiency in writing automation scripts using Puppet, Shell, PowerShell to support infrastructure as code and continuous deployment. Experience in AWS (Amazon Web Services) using EC2, AWS Dynamo DB, AWS S3, AWS VPC, and IAM services.
• Maintained and optimized AWS infrastructure (ELB’s, EC2, S3, EBS/Provisioned IOPS, AMI, RDS and Route53)
• Integrated Selenium automation regression test suite inJenkinsbuild pipeline.
• Writing various puppet manifests files with Hiera and customized functions and defined resources
• Developed automation scripting in Python to deploy some applications.
• Administering and managingWindowsserver Active Directory services, DHCP and DNS servers
• Continuous Delivery setups with Puppet by creating manifest and maintain templates for different environments. Migration of shell scripts into Puppet Manifests.
• Wrote Puppet code to provision infrastructure includingLAMPstacks, Oracle middleware, Artifactory and Docker.
• Move development application from Docker containers and deploy into productionCloudFoundry environment.
• Strong knowledge and experience on AWS, specifically in Lambda, IAM, API Gateway, DynamoDB, Cognito, S3, CloudFront, VPC, EC2.
• UsedAWSLambda to manage the servers and run the code in theAWS.
• Wrote MCollective, Facter, Hiera frameworks to amend the automation pipeline built around Puppet.
• UtilizeCloudformation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Setup the Python scripts to create the snapshots on AWS S3 buckets and delete the old snapshots.
• Used AWS Beanstalk for deploying and scaling web applications and services developed with Java, PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache, and IIS

Confidential, Bellevue-Washington

Sr. Cloud/DevOps Engineer

Responsibilities:

• Experience in designing and deploying AWS Solutions using EC2, S3, EBS, ELB, Auto Scaling groups. Cloud as a code with Ansible.
• Design PaaS, IaaS environments such as CloudFoundry to facilitate rapidcloudnative development.
• Administered and EngineeredJenkinsfor managing weekly Build, Test and Deploy chain, SVN/GIT with Dev/Test/Prod Branching Model for weekly release
• Combined Chef andAWSCloudFormation to automate the deployment using JSON framework
• Created Amazon S3 buckets to keep the web app files and the CloudFormation templates.
• Experience with IaaS and PaaS providers such asAWS, OpenStack.
• Implemented a CI/CD pipeline with Docker,Jenkinsand GitHub. Whenever a new GitHub branches are createdJenkinsautomatically attempts to build a new Docker container from it
• Proficient in installation and configuration of various Packages and Patches in Linux utilizing Red Hat Satellite Server
• Implemented chef Configure management technique on windows server 2012 r2 instances using PowerShell DSC along with chef DSL.
• Configured TFS builds with continuous integration and build notifications
• Experience on installation and Configuration of Red Hat Linux OS, CentOS, Fedora, Ubuntu, Solaris.
• Installed and configured RHEL 5.X/6.X servers using Kickstart with PXE forLAMP(Linux, Apache, MySQL and Perl/PHP) installations
• Utilized Configuration Management toolChefand WrittenChefCookbooks and recipes in Ruby to Provision several pre-prod environments consisting of Cassandra DB installations, WebLogic domain creations and several proprietary middleware installations.
• Automated Nagios alerts and email notifications using python script and executed them through Chef.
• Managed and maintained end-to-end Pipeline with help of Amazon VPC, Amazon EC2, Chef,AWS, CloudFormation and Jenkins.
• Experience working in AWS Cloud Environment like EC2 & EBS.
• Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for
• DevelopedPythonscripts for the automation of the cloud deployments.
• Migrated rails applications from openstack to Amazon Web Services (AWS) services including Elastic Beanstalk, RDS,EC2 and Elastic cache.
• Wrote and tested Chef cookbooks using Vagrant, git, Packer, Test Kitchen & Jenkins
• Creatingcloudformation scripts for hosting software on AWScloud. Automating the installation of Software through PowerShell scripts
• Provided POC's to provision the AWS infrastructure using Ansible playbooks which includes checking the health status, monitoring and gathering facts about the ec2-instances, elastic load balancers, auto scaling groups and other aws resources.
• Configured and maintained Jenkins to implement the CI process and integrated the tool with Maven to schedule the builds
• Experience in Virtualization technologies likeVMWare, Vagrantand worked with containerizing applications likeDocker, Kubernetes.
• Debugging Chef Recipes and their execution trying to pull logs into Splunk and monitor deployments.
• Automated the cloud deployment using Chef, Python and AWS Cloud Formation Templates. Used Chef for unattended bootstrapping in AWS.

Confidential, Atlanta

DevOps Engineer

Responsibilities:

• Helped engineers migrate their projects from SVN toGit, provided training, and refactored build and deployment mechanisms accordingly
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 3.5 and migrating servers across ESX hosts.
• Automated the Applications and MYSQL, NOSQL container deployment in Docker using Python and monitoring of these containers using Splunk.
• Maintained build related scripts developed in ANT, Python and shell. Modified build configuration files including Ant's build.xml.
• Configured firewall based on Redhat Linux and FreeBSD 4.x that has three network interfaces.
• Performed P2V migrations of physical RHEL (5/6) servers to VMware environment using VMware Converter.
• Worked on cloud automation framework namely CHEF which included automation of certain software installation processes in the form of Ruby code
• Building deployable artifacts (jar, war & ear) from the source code using the build tools like MAVEN and ANT.
• Possess hands on experience with the VMware ESX Server, VMware Virtual Center, Vmware HA, Vmware DRS, and Vmware Consolidated Backup (VCB).
• Using Micro services and containers to supportDevOpsenvironment.
• Maintain AWS cloud-based proof of concept ecosystem comprised of various tools within the CI/CD life cycle in Jenkins, & present demonstrations to clients based on their specific use cases & popular trends inDevOps
• Wrote bash & python scripts for day to day administrative tasks and for managing users.
• DevelopedJenkinsPlugin to automate artifact upload to Nexus(Repo) throughJenkins.
• Scripting of administration tasks using CLI, Power Shell, Shell, and Ruby. Built upstream and downstream jobs inJenkinsto build and deploy onto different environments.
• Created multiple Python GIT hook scripts (pre-push, post-push) to ensure code quality for the code.
• Create automated Kickstart environment forlinuxstandard builds for WEB, APP and DB servers.
• Created and deployed a tool to automate branch and project creation in subversion using Perl and Chef Scripts
• Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation fusingJenkinsalong with Groovy and Shell scripts to automate routine jobs
• Collaborate with internal teams to integrate data feeds to a centralized Splunkplatform.
• Performed code line GIT pushes (releases) to production and customer servers and Developed and improved GIT push script.
• Created Linux containers in CoreOS and Docker and Automated system using chef
• IntegratedMavenwith Jenkins for the builds and deployed into application servers.
• Involved in build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef with AWS services and Jenkins for continuous integration.

Confidential

Sr. Linux /UNIX Administrator

Responsibilities:

• Worked on Installation/Configuration/Administrated VMware ESXi 5.1/5.5 & 6.0 and migrated existing server into VMware Infrastructure
• Monitored 50 nodes of a Linux server farm in the Mediaplex's data center
• Worked on large Data Center Migration Project. MigratedLinux/Unix Servers from one data center to other data center with minimal downtime. Involved in P2P, P2V and V2V migration
• Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS
• Collaborate with internal teams to integrate data feeds to a centralized Splunk platform.
• Installed Power Broker onLinuxand windows machines
• Heavily utilize the LAMP stack (Linux, Apache, MySQL, PHP/Perl) to meet customer needs
• Installing, configuring and troubleshooting JIRA application onLinuxservers
• Handson experience Veritas cluster administration on AIX/Linux/Solaris servers.
• Expertise in Setting up the JBoss, WebLogic, oracle, DB2 connect, WebSphere, MySQL, Tomcat, Apache, Active Directory in Microsoft, sun,Linuxserver.
• Configured and troubleshooting NFS, NIS, NIS+, DNS, DHCP, FTP, LDAP, and Samba, Apache servers inLinuxServers.
• Experienced with Redhat Satellite Server with custom repositories to provide a stable management solution for theLinuxenvironment.
• Implement and maintain Scripting deployment and monitoring solutions via PowerShell, Automation scripting.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on SUSE andLinuxservers.
• Installed and configured of Solaris andLinuxservers using JUMPSTART and KICKSTART installation and periodic Patch Upgrading using Live upgrade.
• Used tcpdump, ethtool, ssh, scp, netstat and other tools to debug & fixnetwork issues in thedata plan
• Responsible for the administration, installation, configuration, troubleshooting and support of MySQL in Linux/AIX and Windows platforms. Provided technical support and training for more than 300 users on the organization
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, Ethernet, VPN, OSI model, Firewall (checkpoint), VOIP, Sarbanes Oxley compliance (SOX), SMTP and RAIDENVIRONMENT: VMware ESXi, Linux, solaris, Veritas, Redhat satellite server, oracle, samba, Tomcat, Apache, Websphere, SUSE linux, MYSQL, PHP,Perl.