SUMMARY:

• Over 7+ years of experience in IT which includes Linux Administrator, System Administrator, Build & release management, Change management, DevOps/Cloud engineer and Software Configuration Management.
• Experience in Infrastructure Development and Operations involving AWS Cloud platforms, EC2, EBS, S3, VPC, RDS, SQS, ELB, Auto Scaling, Cloud Front, Cloud Formation, Elastic Cache, Cloud Watch, SNS, AWS Import/ Export.
• Configured S3 to host static web content including HTML pages, images, CSS files and Javascript files. Experience in creating and maintaining IAM roles, policies, Autoscaling groups and Load balancer for EC2 instances.
• Experience in AWS Elastic Beanstalk for app deployments and worked on AWS Lambda wit Amazon Kinesis and integrated Dynamo DB using Lambda for value storage and for streams backup.
• Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform. Managed AWS infrastructure as code using Terraform.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• Experience in building private cloud infrastructure of OpenStack, deploying through Puppet and maintaining them in production. Also, have tested OpenStack environment i.e. Nova, Swift, Cinder, Neutron, Horizon, Keystone, & Glance.
• Ensured successful architecture and deployment of enterprise - grade PaaS solutions using Pivotal Cloud Foundry ( PCF ) as well as proper operation during initial application migration and set new development.
• Hands on experience in Azure cloud services, Azure storage, Azure active directory, Azure ServiceBus. Created and managed Azure AD tenants and configure application integration with Azure AD.
• Developed an Azure-based high performance compute environment to support the massive computational requirements of client congressional redistricting Azure application.
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Puppet, or custom-built designing cloud-hosted solutions, specific AWS product suite experience.
• Expertise in Chef and Puppet to automate the repetitive tasks, quickly deploy critical applications, and enthusiastically managed the change.
• Involved in Chef cookbooks and Puppet manifests for configuration of system management.
• Hands-on experience in Ansible and Ansible Tower as Configuration management tool to automate repetitive tasks, quickly deploy critical applications and proactively manage change.
• Experience in implementing the Docker for wrapping up the final code and setting up development and testing environment using DockerHub, DockerSwarm and Docker Container Network.
• Worked on infrastructure with Docker containerization. Worked on maintaining, Openshift Docker Images and containers.
• Working with the ELK (Elastic Search, Logstash, Kibana) stack to analyze log data obtained from Microsoft Business Intelligence tools.
• Used Kubernetes to provide a platform for automating deployment, scaling and operational containers across clusters of hosts and managed containerized applications using its nodes, config maps, selectors, and services.
• Experience in developing CI/CD system with Jenkins on Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build, test and deploy.
• 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 a required build.
• Configured Atlassian tool Bamboo for building .NET applications and integrated with tools like Jira , Bitbucket , Stash and Confluence .
• Used Maven for building the Web projects including the Webservices and created automated reports for the Builds and Test results which QA can access to accelerate the testing process.
• Worked on Build Automation Tools such as ANT and MAVEN. Experience in building the war, jar and ear files from source code using ANT and MAVEN.
• Worked on Mango DB replication concept, used to maintain multiple copies of data in different database servers.
• Used NAGIOS Tool for monitoring the network, Used JIRA to track issues and Change Management.
• Worked in the agile environment of JIRA refactoring existing components and widgets to keep in sync with the emerging new trends of AEM.
• Proficient in configuring/administering of Splunk with forwarder configuration, deployment, search heads, indexing, and data source configurations.
• Profusely worked on version control tool like GIT, clear case to track changes made by different people in source code involving concepts like Branching, Merging and Tags.
• Configured GIT with Jenkins and schedule jobs using POLL SCM option and integrated to automate the code checkout process using plugins also used Ant, Maven, JDK, and Shell scripts for integrating and creating builds.
• Created branches from within JIRA and JIRA agile by integrating the Bitbucket with JIRA.
• Developed scripting in Python (core) using Puppet to deploy and manage Java applications for automation in Linux servers.
• Strong comprehension of central advancements like DNS, Load Balancing, SSL, TCP/IP, systems administration and security best practices.
• Installed and configured tools for Apache Big Data products and worked with HDP (Hortonworks) Apache Big Data products like Hadoop, Zookeeper , and Spark & Kafka .
• Involved in implementation of automated scripts to back up the old records by using Mango DB export command and transferred the backup files to the backup machine with the help of ftplib.
• Managed environments DEV, SIT, QA, UAT, and PROD for various releases and designed instance
• Hands on experience on web servers such as Apache HTTP server, NGINX, Apache TOMCAT & application servers such as Oracle WebLogic 9.x/10.x, IBM WebSphere 6.x/7.x/8.x, JBOSS 4.1.
• Experience in using the Virtual box for multiple operating systems on one desktop and cross-platform guests and hosts including Windows, Linux and Solaris.
• Experienced on Linux RedHat 6.0/7.0 NFS, RHN satellite setup, DHCP, Kickstart installation, network issues, implementation of Iptables rules, DNS, SAMBA, LDAP, NIS, OpenVPN Certificate based setup for remote user connections, Nagios server.
• Expert in installation, configuration & troubleshooting VMware ESX VSphere 4.0/5.0 , Virtual Center 5.0, Servers and ESXi servers like VMware VSphere 5.5 and VSphere 6 .
• Experience in writing scripts using Python, Ruby and Shell based scripting also wrote ad-hoc scripts.
• Experience in migration of consumer data from one production server to another production server over the network with the help of Bash and Perl scripting.

TECHNICAL SKILLS:

Cloud: AWS, OpenStack, Azure.

Configuration Management Tools: CHEFF, PUPPET, ANSIBLE

CI/CD tools: Jenkins, Hudson, Bamboo

Build Tools: ANT, MAVEN, GRADLE

Container Tools: Docker, Kubernetes

Version Control Tools: GIT, CVS, SVN, BitBucket.

Monitoring Tools: Nagios, Splunk, ELK, Cloud watch

Databases: My SQL, MS Access, Oracle 9i/10g/11g, DB2, NoSQL (MongoDB, DynamoDB)

Web Servers: Apache HTTP, Nginx, Apache TOMCAT

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

Networking: DNS, DHCP, SMTP, HTTP, SNMP

IDE Tools: ECLIPSE IDE, NETBEANS

Operating Systems: Linux (RedHat 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

PROFESSIONAL EXPERIENCE:

Sr Cloud and DevOps Engineer

Confidential, Raleigh, NC

Responsibilities:

• Managed Ubuntu Linux and Windows virtual servers on AWS EC2 using Open-Source Chef Server .
• Involved in designing and deploying large applications utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high availability, fault tolerance, and auto-scaling in AWS Cloud Formation.
• Using Cloud Watch, extensively monitored the AWS services like EC2, CPU memory, Amazon RDS DB services, DynamoDB tables, EBS volumes to set alarms for notification or automated actions and to monitor logs for a better understanding and operation of the system.
• Written and implemented the cloud formation templates (CFT's) for creating, updating and deleting the stacks on AWS.
• Responsible to Manage IAM Policies, providing access to different AWS resources, design and refine the workflows used to grant access.
• Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance and creating clone's instances.
• Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Written Chef cookbooks and recipes for Provision Several pre-prod environments consisting of Deployment automation, AWS EC2 instance mirroring, WebLogic domain creations and several proprietary middleware installations.
• Changed the infrastructure Elastic Beanstalk to Docker with Kubernetes to provide better performance and easier management of the production environment.
• Worked on various Azure services like Compute (Web Roles, Worker Roles), Azure Websites , Caching, SQL Azure, NoSQL , Storage, Network services, Azure Active Directory, API Management, Scheduling, Auto Scaling, and PowerShell Automation.
• Involved in developing the Azure Solution and Services like IaaS and Paas. Deployed Azure resource manager based resources.
• Worked on Inbound and Outbound services with automation of Chef. Deploying multiple resources simultaneously, using Cloud Formation templates in AWS.
• Created Docker images using a Docker file, worked on Docker container snapshots, removing images and managing Docker volumes.
• Worked on the creation of custom Docker container images, tagging and pushing the images and Docker consoles for maintaining the application of life cycle.
• Managed Kubernetes charts using Helm and created reproducible builds of the Kubernetes applications, managed Kubernetes manifest files and Managed releases of Helm packages.
• Setup Docker to automate container deployment through Jenkins and Worked on Docker container to create Docker images for different environments.
• Implemented the Chef cookbook SSSD to automate the integration process between RHEL and Windows AD using Kerberos keytab file.
• Implemented Chef best practices and introduced Berkshelf and Test Kitchen to facilitate a more natural cookbook development workflow.
• To deploy instances used Ansible playbooks and wrote modules in Ansible to integrate with Apache Tomcat and AWS. And used Ansible playbook to deploy applications.
• Worked extensively on automation engine Ansible that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.
• Automate the installation of ELK agent (file beat) with Ansible playbook .
• Used Kafka Producer and Consumer API to push and read the messages from the topics.
• Configured Bamboo with Artifactory Plugin to upload the artifacts into Artifactory once the build is a success and maintained Artifactory repository .
• Extensively worked with Jenkins API's to know various things like build status, count of builds, GIT commit version used by Jenkins builds etc. using Groovy.
• Strong experience utilizing Jenkins for enterprise scale infrastructure configuration and application deployments & checking out the code from GIT.
• Created Maven POM files for Java projects & then installed the application on AWS EC2 AMI(Linux), RedHat, Ubuntu. Integrated Maven, ANT with Jenkins for the builds to be scheduled.
• Managed Nexus and MAVEN repositories to download artifacts for builds.
• Expertise with NoSQL databases like HBase , Cassandra , Dynamo DB (AWS) and MongoDB .
• Used SCM tools like GIT, Subversion (SVN), Stash and TFS for branching, merging, and automation processes across the Linux and Windows platforms.
• Worked with GIT and SVN for source/version control to save and manage the revisions in a repository as well as to manage the source code.
• Created repositories, branches, tags in GIT, assisted the developers to fix merging issues and Creating Local, Virtual Repositories in Artifactory for the project and release builds.
• Written new plugins in Nagios to monitor resources.
• Experience in working with the complex environment on RedHat Linux and Windows Servers while ensuring that the systems adhere to organizational standards and policies.
• Administered RedHat Linux server including security patching, kernel tuning, RAID disk array management, software packaging and installation using RPMs.
• Expertise in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multipath.
• Developed Python, Perl and shell/bash scripts for automation of the build and release process and to automate certain processes for the smooth process of a build tool like Maven. Created and wrote shell scripts (Ksh, Bash), Ruby, Python and Power Shell for setting up baselines.

Environment: AWS, Load Balancers, Chef, Ansible, Shell, Python, Linux, Jira, My SQL, Jenkins, Apache Tomcat 7.x, Docker, Virtualization, Nagios, Maven, Groovy, Stash, Kubernetes, Configured plug-ins for Apache HTTP server 2.4, Nginx, LDAP, JDK1.7, XML, SVN, Git.

Cloud and DevOps Engineer

Confidential, Orlando, FL

Responsibilities:

• Established OpenStack project Infrastructure Program and served as a tech lead.
• Established an automated system of creating VMs in OpenStack and VMWare for Dev, ISO, PreProd, and Prod, with minimal intervention for smooth transitions.
• Automated and modified OpenStack components using Puppet according to internal architecture Puppet code to work with Open stack HA using Haproxy.Integrated Neutron with Open daylight controller and Automated the process of configuration and installation.
• Created and collected measurements across OpenStack using Ceilometer Telemetry Service.
• Worked on various components of OpenStack and Heat Orchestration templates (HOT) for a different project .
• Install and configure the Rabbit MQ environment for the Analytics and set up the supervisor for managing process availability.
• Experience Azure Table Storage and Blob on Azure SQL. Created stored procedures, nested queries, and triggers of the application.
• Responsible for web application deployments over cloud services (web and worker roles) on Azure using VS and PowerShell .
• Responsible for creating Puppet modules and manifest files from scratch and experience in editing existing Puppet manifests and automated manual installation processes using Puppet.
• Managed deployment automation using Puppet, MCollective, Hiera, Custom Puppet modules, in Ruby.
• Redesigned and redeployed the Nagios implementation. Nodes Integrate Splunk with AWS deployment using Puppet to collect data from all EC2 systems into Splunk.
• Experience in using Docker swarm, created scripts to spin up Haproxy load balancing container on the top of the application containers.
• Worked on end to end setup of the Artifactory pro as a Docker container with a secure private Docker registry and local Docker repositories for storing the built Docker images.
• Configured Cloud Compute systems using Open Stack on Ubuntu, collaboration using Orchestration with Keystone, Kubernetes within Open Stack.
• Implementing new projects builds a framework using Jenkins & ANT as build framework tools and Integrated Docker build as a part of the Continuous Integration process and deployed local Registry server.
• Extensively working on Continuous Integration(CI) and Continuous Delivery(CD) process implementation on tools like Jenkins along with Python and Shell scripts to automate routine jobs.
• Created and modified the existing ANT scripts, the creation of custom tasks definitions, dependent targets, targets for multiple environments.
• Performed Build operations with ANT Scripts to implement in accordance with requirements of the project.
• Created and maintained Python scripts for Automating Build and Deployment Process and Creating Web-Based Application by Using Django Framework.
• Created scripts in Python which integrated with Amazon API to control instance operations.
• Developed automation scripting in Python using Puppet to deploy and manage Java applications across Unix/Linux Servers.
• Wrote Python Scripts to Monitor Variety of Services & Perl Scripts with Hash/Arrays to Insert/Delete/Modify content on multiple servers.
• Managing the team for Implementing & maintaining the branching and build/release strategies utilizing GIT as Version Control System for Managed development streams and Integration streams.
• Setup Squid Proxy Server for internet sharing and to block the unwanted sites.
• Configured kickstart server and updating/applying patches to the servers using RedHat Satellite server.
• Troubleshooting Backup and Restore Problems Creation of LVMs on SAN using Linux utilities Configured Send mail.
• Extensively performed Firmware Upgrades, Kernel Patches, system configuration, system performance tuning on Linux / Unix servers.
• Proficiency in VMware installation and monitoring Virtual environments with ESXi 3.x Servers and Virtual Center 2.x .

Environment: Jenkins, Puppet, OpenStack, Azure, Ruby, Python, Perl, ANT, Docker, Docker Swarm, Linux, Solaris, RHEL 6.x, Vagrant, Ant, Git, Jira, Nexus, Windows, Bash, Python, Apache2, Nginx, Network Protocols, Splunk Virtualization.

AWS DevOps Engineer

Confidential, Kansas City, MO

Responsibilities:

• Worked on AWS EC2 Instances creation, setting up VPC, Launching EC2 instances and worked on Cloud Watcher for providing high availability of applications of EC2 instances based on a load of applications.
• Handling migration of on-premises applications to the cloud, and created resources in the cloud to enable this, using all critical AWS tools, used ELB and Auto-Scaling policies for scalability, elasticity, and availability.
• Utilize AWS CLI to automate backups of ephemeral data-stores to S3 buckets, EBS and create nightly AMIs for mission-critical production servers as backups.
• Automated Cloud deployments using Chef , Python, and AWS Cloud Formation Templates . Migrating an existing on-premises application to AWS . Compliance standards like HIPAA, FINRA and automate the same using Cloud Formation.
• Worked on AWS OpsWorks in integration with Chef Configuration management tool to maintain infrastructure.
• Established Chef Best practices approach to system deployment with tools with vagrant and managing Chef Cookbook as a unit of software deployment and independently version controlled.
• Deployed a centralized log management system and integrated into Chef to be used by developers.
• In the CI/CD pipeline, mainly focused on performing integration of code quality analysis techniques like check styles, find bugs, Junit with CI/CD tools like Jenkins.
• Used Jenkins to Build, Test and publish the project artifacts, Implemented Build Per Branch as part of CI/CD process to run Sonar for code coverage and run unit and integration tests to help improve the pipeline efficiency.
• Maintained build related scripts developed in ANT , Python, and shell. Modified build configuration files including Ant's build.xml.
• Developed build and deployment script using ANT, Shell to Setup development and QA environments.
• Experienced with version control tools like GIT, CVS, Bitbucket, and SVN. In-depth knowledge of source controller concepts like Branches, Tags, and Merges.
• Implemented performance capacity and availability monitoring using tools like Nagios, Datadog, PagerDuty, and Graphite.
• Experience in load balancing and monitoring with Nagios and Splunk, ELK.
• Setup a Jumpstart/Flash and Kickstart servers for provisioning of servers with different profiles.
• Installation of RedHat EL 4.x, 5.x using Kickstart and PXE on HP DL380 G.
• Worked with implementation team to build and engineer servers on Ubuntu and RHEL Linux . Provisioned virtual servers on VMware and ESX servers using Vcloud
• Installed and Deployed RedHat Enterprise Linux 6.x/7.x , CentOS, and installation of packages and patches for RedHat Linux Servers.

Environment: AWS, EC2, S3, EBS, AMI, chef, Junit, Jenkins, Git, Ant, Maven, CVS, Bitbucket, SVN, Nagios, Splunk, ELK, Datadog, PagerDuty, Graphite, RedHat EL 4.x, 5.x, Linux 6.x,7.x, CentOS, Ubuntu, VMware.

Build & Release Engineer

Confidential, Perrysburg, OH

Responsibilities:

• Responsible for the management and continuous improvement of the release process for internal and external web applications.
• Participated in the release cycle of the product which involved environments like DEV, INT, QA, UAT, and Production.
• Developed and implemented Software Release Management strategies for various applications according to the Agile process.
• Collaborated with Architects, Systems, Network, Software and QA Engineers, and to continuously improve the efficiency and reliability of Build and Deployment processes to support all phases of development including production releases.
• Wrote Puppet manifests for deploying, configuring, install shield and managing collected for metric collection and monitoring.
• Constructed the Puppet modules for continuous deployment and worked on Jenkins for continuous integration.
• Deployed applications using Jenkins server and Troubleshoot build & release job failures, resolve, work with developers on the resolution.
• Integrated with leading CI servers and kept builds reproducible with exhaustive build information to track and protect all artifacts used by your CI build using Binary Repository Manager/ Nexus Build System.
• Extensively used Maven tool to do the builds and integrated with Jenkins for the builds as the continuous integration process. Modify build configuration file including pom.xml.
• Worked on customization of existing Python scripts of some of the internal applications and Worked on writing multiple Python, Ruby and Shell scripts for various companywide tasks.
• Performed all necessary day-to-day Subversion/GIT support for different projects and Responsible for designing and maintenance of the Subversion/GIT Repositories, views, and the access control strategies.
• Used GIT as source code repositories and managed GIT repositories for branching, merging, and tagging.
• Used Nagios to identify and resolve IT infrastructure problems in various components including applications, services, servers and network protocols.
• Installed and configured Nexus Repository Manager to distribute build artifacts between the teams in the organization.
• Installation and customization of tools like IBM Clear Case and maintenance of these tools.
• Maintained and coordinated environment configuration, controls, code integrity, and code conflict resolution.
• Linux System & Middleware Administrator responsible for the day to day administration and administration of RHEL 5, 6/ CentOS which includes installation, testing, tuning, upgrading and loading patches, troubleshooting.

Environment: Linux, Perl, Chef, Ansible, Puppet, Jenkins, Nagios, PHP, Python, Ruby, JIRA, GIT, Docker, Vagrant, SVN, Maven, Bash, Nexus, PowerShell, NT Command Shell.

Linux Administrator

Confidential

Responsibilities:

• As a Linux system admin maintained the various servers and Production Support of various applications in RedHat Enterprise Linux and Windows environment.
• Administration of Sun Servers (SPARCandx86) runningSolaris10 and Dell, HP Servers running SUSE, RedhatEL3, 4.x, 5 which included jumpstarting, performing live upgrades of Solaris operating systems and Kick-starting RedhatEL3, 4.x, 5.
• Provided 24x7 System Administration support for 300+ RedHat Linux 3.x, 4. X servers and resolved trouble tickets on shift rotation basis.
• Expertise in virtualization using VMware ESX server 3.5, 4.0 VMware workstation, virtual box and XEN, REDHAT enterprise virtualization suite.
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging of servers for maintenance, performance tuning, testing.
• Worked in the configuration of RedHat Satellite server and Managed, configured and Maintained customer entitlements including upgrading and patching of Linux servers.
• Writing Shell scripts for automation of daily tasks, documenting the changes that happen in the environment and in each server, analyzing the error logs, analyzing the User logs, analyzing logs.
• Installed and configured DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Installed WebLogic 9.x and JBoss 4.0 Application Server. The configuration of domains, deployment of applications on Development to UAT environment.
• Configured and implemented F5 load balancers to maintain global and local traffic across various environments.
• Effectively creating Hard Disk partitions and Mounting the file systems like EXT2, EXT3, EXT4, NTFS in Linux.

Environment: Linux RedHat 3.x/4.x, RHEL 3/4/5, Solaris 9/10, Bash/shell, WebSphere 6.x/7.x/8.x, MySQL, DHCP, NFS, Apache, DNS, VMware.

System Administrator

Confidential

Responsibilities:

• Administered, maintained RedHat 3.0, 4.0, 5.0, AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues and Deployed latest patches for, Linux and Application servers, Performed RedHat Linux Kernel Tuning.
• Regular Admin Tasks include building Linux servers for Production, Development and Test Environments and supported the ones under production.
• Experience with installation, configuration, upgrade and administration of IBM pSeries and Power5/Powerer6 servers on various levels of AIX operating system utilizing environment.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Users & groups administration and Software installation & maintenance.
• Migrated the entire Application from JBoss to Tomcat environment.
• Configuring the NFS servers, setting up servers in a network environment and configuring FTP/NTP/NIS servers, clients for various departments and clients.
• Involved in design, configuration, installation, implementation, management, maintenance and support for the Corporate Linux servers RHEL 4x, 5.x, SLES 9, CENTOS 5.x.
• Managed TCP/IP packets & DHCP servers, resolved TCP/IP network access problems for the clients and worked with various TCP/IP implementations like NFSv4, NIS, DNS, and DHCP.
• Orchestrated and performed upgrade of Linux servers from 32-bit RHEL4 to 64-bit Centos.
• Installation, configuration, support and security implementation on SSH, NFS, SAMBA, DHCP, DNS, HTTP services.
• Installed, maintained and administered Oracle and Db2 Server on Sun Servers.

Environment: Microsoft Windows 95/98/2000/XP/2003, Linux, DNS, DHCP, TCP/IP, RIP, FTP, TFTP, Terminal Services, SNMP, SMTP, NFS, Oracle, Db2, JBoss.