SUMMARY

• Around 6+ Years of experience in IT industry comprising of Cloud Computing, DevOps Engineering, Linux Administration, VMware and AWS. More than 3 years of experience in Amazon Web Services including migrating infrastructure to AWS cloud and maintenance of production web infrastructure.
• Experience in designing and deploying AWS Solutions using EC2, S3, VPC, Auto - Scaling, EBS, SNS, SQS, Route 53, Elastic Load balancer (ELB), Auto scaling, Lambda, Elastic search, Container services ECS, worked at optimizing volumes and EC2 instances and created multiple VPC instances.
• Experience with all phases of software development life-cycle (SDLC) and agile development methodology.
• Worked in various levels in the infrastructure team on Installation, configuration and administration on Redhat-Linux (5x, 6x& 7x), CentOS (5x, 6x and 7x), Ubuntu (7x, 8x, 9x & 10x), SUSE Linux (9x, 10x & 11x), AIX (V5.3 & 6.1), Redhat Satellite 6, and Windows Environment like Windows Server 2008-R2/2012-R-2.
• Experienced in administration and deployment of applications on Apache Webserver and Application Servers such as IIS, Tomcat, JBoss, WebSphere etc.
• Created and used Ansible Playbooks in Ansible Tower and integrated Ansible tower with Jenkins to deploy code to different servers.
• Used Ansible and Ansible Tower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Excelled on creating AMI (AWS Machine Images) that utilizes ELB (Elastic Load Balancer) and Auto Scaling. That Auto Scaling fired up new resources those will by default bootstrapped with the Ansible Server.
• Managed different infrastructure resources, like physical machines, VMs and even Docker containers using Terraform It supports different Cloud service providers like AWS and Digital Ocean.
• Experienced in branching, tagging and maintaining the version across the environments using SCM tools like GIT, Subversion (SVN) on Linux and windows platforms.
• Extensive knowledge of VMware vMotion, HA and DRS including vSphere update manager, VMware Data Recovery, vCenter Manager and vCenter Orchestrator.
• Expertise in usingbuildtools like MAVEN and ANT for the building of deployable artifacts such as war from source code. Managed Maven project dependencies by creating parent-child relationships between projects.
• Worked with bug tracking tool Jira and configured various workflows, configurations and plugins for setting up Jira.
• Used Chef to manage Web Applications, Configure Files, Database, Users, Mount Points, and packages and responsible for creation and management of Chef Cookbooks and setting up Chef Workstation, Server and Clients.
• Experience with container-based deployments using Docker working with Docker images, Docker Hub and Docker registries and Kubernetes.
• Experience in creating Docker Hub, Docker Images and handling multiple images primarily for middleware installations and domain configurations
• Experience in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling.
• Strong experience with Continuous Integration and Continuous Deployment (CI/CD) methodologies with Jenkins, GIT and Nexus repository
• Integration Jenkins show traces of SonarQube runner execution and displayed results in sonar dashboard.
• Created and wrote shell scripts (Bash), Ruby, Python and PowerShell for setting up baselines, branching, merging, and automation processes across the environments using SCM tools like GIT, Subversion (SVN), Stash and TFS on Linux and windows platforms. knowledge ofCassandraand hands on experience with installing, configuring and monitoring DataStax Enterprise cluster.
• Proficient in Networking and configuring TCP/IP, DNS, NFS, NIS, SAMBA, LDAP, HTTP, SSH, F5, SSL, SFTP, SMTP.
• Involved in installing Nagios monitoring and Splunk services on Unix servers. Experiences in build tools like Ant, Maven, Arti factory, Nexus, Gradle to write POM.XML build scripts etc.

TECHNICAL SKILLS

Operating Systems: Linux Red Hat (4.x, 5.x, 6.x), Linux CentOS, Ubuntu, Unix, Windows 2000/2003/XP/VISTA/7, AIX

Version Control Tools: SVN, GIT, GITHUB, TFS, CVS and IBM Rational Clear Case

Web/Application Servers: Web Logic, Apache Tomcat, Web Sphere and JBOSS

Automation Tools: Jenkins/Hudson, Build Forge and Bamboo

Build Tools: Maven, Ant and MS Build

Configuration Tools: Chef, Puppet and Ansible

Databases: Oracle 9i/10g/11g/12c, DB2, MS Access and SQL Server 2012/2008R2/2005

Bug Tracking Tools: JIRA, Remedy, HP Quality Center and IBM Clear Quest

Scripting: Shell, Bash, Perl, Ruby and Python

Virtualization Tools: Docker, VM virtual Box and VMware

Monitoring Tools: Nagios, Cloud watch, Splunk

Cloud Platform: AWS EC2, VPC, ELB, RDS,Route 53, ECS, EBS, Cloud Formation AWS Config and S3, Microsoft Azure

Languages: Scripting Language ANT, NANT, Shell, Bash and Python Programming Languages C/C++, Java, C#.Net, VB.Net, PHP and PL/SQL

PROFESSIONAL EXPERIENCE

Confidential - Durham, NC

Cloud/DevOps Engineer

Responsibilities:

• Defined AWS Security Groups, which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer and AMIs, auto scaling to design cost effective, fault tolerant and highly available systems.
• Wrote and edited Python scripts to totally automate AWS services which includes web servers, ELB, Cloud Front distribution, database, EC2, security groups, S3 bucket and application configuration, these scripts create stacks, single servers and joins web servers to stacks.
• UsedAnsible /AnsibleTower as Configuration management, to automate repetitive tasks, quickly deploy critical applications, and proactively manages change and wrote Python Code usingAnsiblePython API to Automate Cloud Deployment Process.
• Created and used Ansible Playbooks in Ansible Tower and integrated Ansible tower with Jenkins to deploy code to different servers. Developed Ansible Playbooks using YAML and JSON scripts for launching different EC2 virtual servers in the cloud using Auto-scaling and Amazon Machine Images (AMI).
• Used Ansible Playbooks to install, configure and run the Openshift cluster components and for updating the patches on running cluster. Implemented Infrastructure automation through Ansible for auto provisioning, code deployments, software installations and configuration updates.
• Worked with Docker Management platform, leveraged Custom Docker Images as Containerized Apps with in the Docker Engine as Multi Stack Application like LAMP.
• Automated deployments, scaling, and operations of application containers across clusters of hosts, provided container-centric infrastructure by Kubernetes.
• Built containers using Docker engine and Docker Machine environments, to deploy the micro services-oriented environments for scalable applications, with the help of Docker files to build the micro-service applications.
• Used Docker for packaging applications and designed the entire cycle of application development and used Virtualized Platforms for Deployment of containerization of multiple apps.
• Used Jenkins pipelines to drive all microservices builds out to the Docker registry and then deployed toKubernetes, Created Pods and managed usingKubernetes.
• Created a new continuous integration stack for a web application based on Docker and Jenkins, allowing transition from dev stations to test servers easily and seamlessly. Deployed Jenkins for CI/CD, creating jobs with DSL plugin and automate the jobs using polling techniques.
• Built and deployed EAR and WAR files with custom configuration settings using Maven Tool Kit and further deployed the archives into Apache Tomcat Web Server and WebSphere Application Servers.
• Setting up the Nexus repository and adding the Sonatype nexus plugin to the Jenkins and configuring the job to upload the artifacts to the nexus repository, to maintain the version controlling of the artifacts.
• Administered and deployed HTTP web server and Apache Tomcat Servers in deploying web applications on a clustered environment on Tomcat and JBOSS to maintain the clusters and load balance through Shell scripts.
• Automated the Migration of Jenkins server to AWS and moving of the jobs from the SCM Git and Analyze 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.
• Creating and Managing Virtual Machines in Windows Azure and Setting up communication with the selected ports and worked on designing, building and improving cloud environments on Amazon Web Services and Azure Cloud.
• Used Azure Resource Manager (ARM) to deploy, manage, delete all the resources together using a simple JSON script which involve number of azure services.
• Used Azure web roles on virtual machine instance running on Microsoft Azure IIS server to communicate with Azure Storage or to direct connections to clients with the help of worker roles. Used VM roles to schedule tasks and customize the machine on which web and worker role running.
• Create Docker application images that use s2i assemble, run scripts and Dockerfile methods. Developed custom Openshift templates to deploy the applications and to create the Openshift objects build, deployment configs, services, routes and persistent volumes.
• Maintained JIRA for tracking and updating project defects and tasks and used Rally tool for tracking user stories and backlogs.
• Able to create scripts for system administration and AWS using languages such as BASH and Python, created Lambda functions to upload code and to check changes in S3, DynamoDB table.
• Managed and installed Monitoring Tools like Cloud Watch, Splunk, AppDynamics to monitor the logfiles, Network Monitoring, Log trace monitoring and the hard drive status.
• Managed different infrastructure resources, like physical machines, VMs and even Docker containers using Terraform, support different Cloud service providers like AWS and Digital Ocean.
• Responsible for implementing new front-end features, APIs, internal tools and processes in a NodeJS centered stack and then rolling out new releases with continuous integration in Jenkins.
• Built CI/CD pipeline using Jenkins jobs to create AWS infrastructure from GitHub repos containing Terraform code and wrote new plugins to support new functionality in Terraform.

Confidential - Columbus, IN

DevOps Engineer

Responsibilities:

• Managed the services and resources for the users and managed the permissions for allowing and denying the services using IAM roles and assigned individual policies to each group.
• Build servers using AWS, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.
• Migrated the current Linux environment to AWS/RHEL Linux environment and used auto scaling feature and Involved in Remediation and patching of Unix/Linux Servers.Optimized volumes and EC2 instances and created multiple AZ VPC instances.
• Used version control system GIT, which includes Git branching strategy like developing branches, staging branches, master, push, pull requests and code reviews are performed.
• Capture snapshots for AMI's (Amazon Machine Images) of EC2 instances to create clone instances for running instances and create nightly AMI's for mission critical production servers as backups.
• Performed Elastic Load Balancing to distribute incoming traffic across multiple AWS EC2 instances (Creating load balance, HTTPS Load Balancers, Monitoring etc.).Worked in automation deployments using AWS by creating the IAM roles and policies and used the code pipeline plugin to integrate Jenkins with AWS and created the EC2 instances to provide the virtual servers.
• Created and configured the continuous delivery pipelines for deploying micro services and lambda functions using Jenkins CI server. Installed and administered Artifactory repository to deploy the artifacts generated by Maven and to store the dependent jar used during the build.
• Deployed applications (Web-Based) on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery).
• Implemented Security groups for inbound/outbound access, network ACLs for controlling traffic through subnets, Internet Gateways, NAT instances and Route Tables to direct the network traffic and to ensure secure zones for organizations in AWS public cloud.
• Automated deployment using configuration management tools like Chef and Ansible to provision amazon AWS Instances to enable continuous Deployments and manage all existing servers and automate the build/configuration of new servers.
• Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Sonar Type Nexus Repository (Nexus Artifactory) and deployed Apps using custom modules through Chef.
• Use Ansible to configure and manage infrastructure wrote Playbooks to streamline the process and manage the inventory file in Ansible and configured password less SSH connection between nodes to run the ansible playbooks.
• Configured web servers Apache and application servers Web logic, Tomcat, WebSphere, JBOSS to deploy code and Integrate with (CI) for End-to-End automation for all build and deployments.
• Deployed applications (Web-Based) on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality (disaster recovery) and launching Highly Available WebLogic server instances and configuring it with external webserver, database and messaging infrastructure (MQ).
• Created templates and snapshots of virtual machines using VMware Virtual Client for cloning multiple servers from that images for faster launching of servers and migrating servers between ESXi hosts.
• Utilize PERL and BASH scripting to automate the tasks and such as monitoring the CPU usage, deleting the log files, transferring the files, backup of data, checking the incoming traffic, all these will minimize manual effort.
• Administration of repetitive Jobs using Cron scheduling and using bash Scripts to accomplish the task on multiple servers. Performance tuning of Virtual Memory, CPU, systemusage in Linux and HP-UX servers.
• Used Dynatrace to monitor and analyze performance of web, application and database servers. Leveraged full stack monitoring from front-end to back-end and into the cloud.
• Used CloudWatch for monitoring and creating alarms for the health status of running instances and setting up SNS alerts to coordinate the delivery of messages to subscribing endpoints and clients.
• Installed and set up Nagios monitoring system on a dedicated Amazon EC2 server, developed several custom plugins for monitoring availability and performance of AWS EC2 instances, integrating Pingdom checks, monitoring MySQL databases and results of execution of certain queries, etc.

Confidential - Newark, CA

Build Release Engineer

Responsibilities:

• Initiated responsibility for administering the SVN and GIT servers which included install, upgrade, backup, adding users, creating repository/branches, merging, writing hooks scripts, performance tuning, troubleshooting issues and maintenance.
• Configured the user's accounts and restrict the Permissions for Continuous Integration. Supported Development team to resolve build failures related to environments Participated in the release cycle of the product which involved environments like Development, QA, UAT and Production.
• Worked on multi project jobs in Jenkins and used pipeline plugin to manage them. Implemented the setup for Master slave architecture to improve the Performance of Jenkins. Managed Maven POM files and Involved in editing the existing Maven (pom.xml) files in case of errors or changes in the project requirements.
• Configured web servers like Apache and application servers like Web logic, Tomcat, WebSphere, JBOSS to deploy the artifacts generated from the code cloned from GIT and Integrate with (CI) for End-to-End automation for all build and deployments.
• Successfully designed and implementation with operational tools for release management, automated code development, configuration management and monitoring and maintain documentation for the build systems, infrastructure and processes.
• Updated and managed Maven build configurations and Performed integrated tests and managed GIT branching and merging for older projects in multiple releases and build artifacts as EAR, WAR, JAR files on to Apache Tomcat Web Server and WebSphere Application Servers.
• Automated build process for new projects with ANT and Maven POMs and integrated them with Nexus to store the artifacts using Shell scripts to automatically compile, package, deploy and test J2EE applications to a variety of Web Sphere platforms.
• Worked with different applications and application servers, deployed the artifacts to Tomcat web server and WebSphere application servers, IIS.
• Created automated builds for visual studio .NET applications using Jenkins and managed the build automation code in TFS repository. Good understanding of .Net framework with knowledge on C# & ASP.NET and deployed applications on IIS server.
• Wrote Ansibleplaybooks as the entry point forAnsibleprovisioning, where the automation is defined by tasks using YAML format. RanAnsibleScripts to provision Dev servers and usedAnsibleserver and workstation to manage and configure nodes.
• Automated the front-ends platform into highly scalable, consistent, repeatable infrastructure using high degree of automation usingAnsible, Jenkins.
• Configured JBOSS ON including inventory, Administration and Monitoring Modules for identifying and cataloging Middlewareassets and monitor status, memory and disk usage of JBOSS Applications and configured JBOSS, including JMS, JDBC and Security. Deployed the J2EE products in JBOSS Application server.
• Maintaining the infrastructure using OpenStack. Familiar with OpenStack concepts of user facing availability zones and administrator facing host aggregates.
• Installed configured and deployed Openstack solutions on servers and controlled them by using Keystone, Glance, Nova, Neutron, Horizon, and Swift. Worked on Openstack, installing, configuring VMs, installing Tomcat, MySQL, Apache servers and integrating them.
• Developed OpenStack infrastructure with automation and Configuration management tools such as, Puppet or custom-built cloud hosted applications. Involved in writing parent pom files to establish the code quality tools integration.
• Handled JIRA tickets for SCM Support activities. On top of that used Artifactory repository tool for maintaining the Java based release code packages.
• Installed and Configured Atlassian Tools like JIRA, Confluence, BitBucket, Fisheye and Integrated these tools for a streamlined Agile Workflow and Project Collaboration.

Confidential

Linux System Engineer

Responsibilities:

• Installation ofSolaris 8, 9based servers withJumpstart and RedHat Linux EL 4.x based servers using Kickstart indevelopment, test and production environments.
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Experience with SAN Arrays like creates Storage RAID groups and LUN’s and assigning them to the servers.
• Managed users, groups and permissions, configured LDAP and given sudo access in test and development servers. Allowed password less logins for authorized users on servers.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables, firewall, TCP, wrappers, NMAP. Responsible for Basic Router Configuration and network equipment (Cisco, Linksys, Net gear, DLink, Brocade Switches.
• Troubleshooting and resolving network related issues using various network commands like NSLOOKUP, TELNET, TRACEROUTE, PING.
• Configuring YUM Server and installing packages by using rpm and YUM. Periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
• Used format and fdisk/parted for disk configuration and disk crash recovery. Created volume groups and logical volumes from physical volume and managed the partitions of memory.
• Setup of full networking services and protocols on RedHat Linux 5.x, including FTP, DNS, SSH, DHCP, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Installed, configured, and maintained SAMBA, NFS, HTTP, NGINX, and FTP in Linux for accessing and sharing files from the Windows environment.
• Configuring and Maintaining of Network File Systems like (N.F.S) and Auto mount in networks to access files between Linux servers and restricting them depending on the access the employees need.
• Installed and configured (Network Time Protocol) NTP server and client configuration for synchronization of timing in all the servers in the organization.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production. Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Installation/Configuration of ESXi 3.5, 4.x servers and applying security patches to the ESXi servers, managing ESXi servers using the vSphere client and vCenter for managing the multiple ESXi servers.
• Building the Red Hat Linux server in VMware ESX client through vSphere client, working with SAN storage on ESXI servers and assigning the LUNs to the Virtual Machines running on the ESXi server.
• Administration of repetitive Jobs using Cron scheduling and using bash Scripts to accomplish the task on multiple servers. Performance tuning of Virtual Memory, CPU, systemusage in Linux and HP-UX servers.
• Performance monitoring and performance tuning using top, prstat, sar, vmstat, ps, iostat etc. Process management like monitoring, start/stop/kill various processes.