SUMMARY

• 8 years of IT Industry experience with Continuous integration, Build, Deploy, Migration from data centers to cloud, Release Management and Quality Assurance.
• Expertise in handling User and Linux Server issues and troubleshooting them as early as possible.
• Experience in installing, upgrading and configuring Red Hat Linux 5.x and 6.x using Kickstart Servers and Interactive Installation.
• Maintained disk, system processes, performance and all areas of the OS in Unix/Linux Systems.
• Maintained documentation for teams for repetitive issues and how to resolve it. Engaged vendors (Red Hat/Veritas) when required by raising the Case with them.
• Designed roles and groups using AWS Identity and Access Management (IAM) maintained user accounts, RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS & SNS services in AWS.
• Worked on various cloud environments like AWS, AZURE and Rackspace
• Configured and deployedAWSLambda service to run codes in response to events and automatically manage resources.
• Expertise in Cloud Infrastructure Automation which includes Amazon Web Services (AWS), Open Stack, Ansible, Puppet, Maven, Jenkins, Chef, SVN, GitHub, WebLogic, Tomcat, JBOSS, and LINUX etc.
• Building/Maintaining Docker containers clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP.
• Experience in working with Terraform key features such as Infrastructure as code, Execution plans, Resource Graphs, Change Automation.
• Production experience in large environments using configuration management tools like Chef and Puppet supporting Chef Environment with 500+ servers and involved in developing manifests. Expertise in Repository Management tools Artifactory, Nexus.
• Develop chef cookbooks and wrote chef recipes using Ruby script and Chef DSL to automate system configuration.
• Extensively worked with configuration management tools like Puppet, Chef and Ansible and actively involved in configuring puppet open source with several third - party applications.
• Configured Ansible and Puppet modules for OpenStack deployment.
• Designed Docker images & linked Docker containers for secured way of data transfer
• Involved in setting up test environment on Docker containers and configuring the Docker containers using Kubernetes.
• Implemented a CD pipeline involving Jenkins, Chef, AWS to complete the Automation from commit to Deployment.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Extensively worked on Git for local repo's and bitbucket, GitHub for remote repo's and for further builds and continuous integration.
• Experienced and proficient in deploying and administering GitHub.
• Strong Experience writing the puppet manifests for apache installation and configuration as well as for various deployments.
• Modified the UI screens created by web designer using HTML5, CSS3, and JavaScript.
• Expertise in using Nagios, Splunk, New Relic ELK for Monitoring Applications, Networks and logs.
• Experience in deployment, monitoring and provisioning Microsoft Azure.
• Implemented DevOps best tools and practices such as centralized logging (ELK) server monitoring Nagios and Automation Ansible.
• Designed and implemented internal Linux infrastructure project Perform software installation, upgrades/patches, troubleshooting, and maintenance of Linux system.
• Experience on Scripting languages like Shell Scripts, Python and BASH for automating tasks.
• Good analytical, problem solving, communication skills and can work either independently with little or no supervision or as a member of a team.
• Quick learner and ability to implement solutions at faster pace ensuring the requirements are met.

TECHNICAL SKILLS

Operating system: RHEL 4.x, 5.x, 6.x Centos 4/5/6, SUSE 10/11, Windows XP, Windows Server 2003/2008 R2, Ubuntu 12/13.

Scripting Languages: UNIX Shell/Bash Scripting, Perl, Python, Ruby, Maven, Java and Gradle.

Cloud services: Cloud formation, Terraform. AWS EC2, S3, ELB, RDS, Dynamo DB, Elastic Beanstalk, Kinesis, Red Shift, AWS Lambda and OpsWork.

Virtualization: VMware and Virtual Box.

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/switches, WAN, SMTP, LAN, FTP and TSTP.

Automation Tools: Docker, Puppet, CHEF, VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service, Ansible, Terraform, RAID Technologies, SSL.

Orchestration Tools: Kubernetes, docker swarm, Mesos.

Service: SSH, SFTP, FTP, NFS, RPM, YUM, SAMBA, Telnet, Auto FS.

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET.

Monitoring: Nagios, Splunk, New Relic and ELK.

Web / application Server: Tomcat, Apache 2.x, 3.x, Web Logic (8/9/10), Web Sphere

PROFESSIONAL EXPERIENCE

Sr. Cloud/DevOps Engineer

Confidential, Wilmington / DE

Responsibilities:

• Performed High level troubleshooting to fix hardware and Software issues on UNIX/VMware platforms.
• Involved in designing and deploying a multitude of applications utilizing almost all the AWSstack including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, LAMBDA, REDSHIFT, focusing on high-availability, fault tolerance and auto-scaling inAWScloud formation.
• SupportedAWSCloud environment with 200+AWSinstances and configured Elastic IP & Elastic Storage and experience working on implemented security groups and Network ACLs.
• ImplementedAWSCode Pipeline and Created Cloud formation JSON templates in Terraform for infrastructure as code.
• Experience Azure Platform Development, Deployment Concepts, hosted Cloud Services, platform service and close interface with Windows Azure Multi-Factor Authentications.
• Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform, ManagedAWSinfrastructure as code using Terraform, Expertise in writing new plugins to support new functionality in Terraform.
• Experience with provisioning configuration management, and containerization solutions such as Terraform, Packer, Chef, Puppet, Ansible, Docker, Mesos or similar technologies.
• Used IAM to create new accounts, roles and groups and engaged in enabling lambda functions for dynamic creation of Roles.
• Created a Python Script to stop all the instances with a specific tag in AWS Instance using Lambda functions and made it into Cloud Watch Scheduler to schedule it every night.
• Designed the project workflows/pipelines using Jenkins as CI tool and wrote Python Scripts and BASH Script to automate the build process.
• Created load balancers (ELB) and used Route53 with failover and latency options for high availability and fault tolerance.
• Worked onAWSCloud Watch, Cloud Formation, Cloud Trail services and Cloud Front to set up and manage cached content delivery.
• Hands on experience on Microsoft Azure and Create a Virtual Network on Windows Azure to connect all the servers.
• Maintained Docker Registry for local upload and download of Docker images and even from DOCKERHUB.
• Installed and configured KUBERNETES, Chef Server/workstation and nodes via CLI tools and wrote Docker files to create new images based on working environments for testing purposes before deployment.
• Created Chef Cookbooks to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and used GZIP to forward compressed files to destination node/instances.
• Installed and configured Splunk to monitor EC2 Linux instances with puppet automation. Created indexes and generated reports.
• Configured Apache webserver in the Linux AWS Cloud environment using Puppet automation.
• Created modules and wrote manifests in Puppet to install Nginx, removing packages updating packages.
• Modified the UI screens created by web designer using HTML5, CSS3, and JavaScript.
• Implemented data-binding using Node.JS for front-end development of a current web application.
• Implemented different validation control on the web-pages using Angular JS and developing a cross-platform JavaScript based solution using Angular JS.
• Written cookbooks forWebLogic, JDK 1.7, Jenkins, tomcat, JBOSS and deployment automation.
• Automated installation and configurations of various applications using Ansible. Ansible-Tower implementation and management.
• Configured GIT with Jenkins and calendar employments utilizing POLL SCM choice.
• Create and setup automated nightly build environment for java projects using Maven.
• Built scripts using ANT and MAVEN build tools in Jenkins to move from one environment to environments.

Environment: /Tools:Linux, Unix, GIT, Ant, Maven, Jenkins,AWS, Azure Nagios, Tomcat, Apache, Nginx, Puppet, Chef, Docker, Kubernetes, Nagios, Splunk, Terraform, Python, Ruby, Bash, Mesos, Java, JBOSS and WebLogic.

Sr. Cloud/DevOps Engineer

Confidential, Lake Success / NY

Responsibilities:

• Configuration, Peer-review tasks across the Unix platforms like Linux, Solaris, and AIX.
• Expertise in Installation, Configuration Data Base Servers like MySQL, MongoDB, on various Linux Distributions, Oracle Enterprise Linux, RedHat Enterprise Linux, Ubuntu Enterprise Linux.
• Created highly available and scalable infrastructure inAWScloud by using variousAWSservices like EC2, VPC, RDS, Route53 etc.
• ConfiguredAWSEC2 Instances using AMIs and launched instances with requirements of specific applications.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Building/Maintaining Docker containers clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP.
• Built Automation and Build Pipe Line Development using Jenkins and Maven. Set up build pipelines in Jenkins by using various plugins like Maven plugin, EC2 plugin etc.
• UsedAWSBeanstalk for deploying and scaling web applications and services developed with PHP, Node.js, Python, Ruby, and Docker on familiar servers such as Apache.
• Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, CHEF, and custom Ruby/Bash scripts.
• Created and maintained the Python deployment scripts for the Web Sphere web application server.
• Created scripts in Python which integrated with Amazon API to control instance operations.
• Implemented a Continuous Delivery pipeline with Docker andAWS.
• Implementing and setting up Puppet Master Server for configuring and installing the modules for automatic deployment onAWSEnvironment.
• Experienced of Puppet 3.x, Chef and TPM for datacenter automation; installation and configuration.
• Hands on experience of installation, configuration and administration of virtual machines on VMware ESXi 4.x/5.x/6.x servers.
• Configuring Chef to build up services and applications on the instances once they have been configured using cloud formation.
• Designed AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to deploy Web applications & database templates.
• Designed roles and groups for users & resources using AWS Identity Access Management (IAM).
• Automated the cloud deployments using Puppet, python andAWSCloud Formation Templates.
• Used UML to draw use case diagrams, class & sequence diagrams In Java.
• Implemented client-side data validations using JavaScript.
• Wrote JSON templates for cloud formation and ruby scripts for chef automation and contributing to our repository on GitHub.
• Integrated Docker container based test infrastructure to Jenkins CI test flow and set up build environment integrating with Git and Jira to trigger builds using Web Hooks and Slave Machines.
• Extensive experience in using Version control systems includes Subversion (SVN), Git, Clear case, perforce on UNIX & Windows Environments migrated subversion repositories to Git and used Source code management client tools like GitHub, Git GUI and other command line applications etc.
• Implemented the use of Nagios tool for monitoring and analyzing the network loads on the individual machines by enforcing custom Nagios monitoring, notifications and dashboard to exhibit various metrics using Shell Scripting and add-ons.
• Using routers and switches defined and configured physical network topologies. Also, maintained and troubleshoot network infrastructure issues and TCP/IP Network services.

Environment: /Tools:AWS, RHEL, CentOS, Ubuntu, SUSE Linux, Windows 2008, 2012, Solaris 10, Linux 6.3, 6.5, Logical Volume Manager, MySQL, Puppet, Ansible, Jenkins, Docker, Python, Ruby, Bash, AWS, LAN, Middleware Application, Servers.

DevOps Engineer

Confidential, Houston / TX

Responsibilities:

• Created Python scripts to totally automateAWSservices which includes web servers, ELB, Cloud Front distribution, database, EC2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks.
• Planned and released schedules with Agile methodology & coordinated releases with engineering & SQA for timely delivery.
• Troubleshooted the automation of Installing and configuring applications in the test environments.
• Used industry standard technologies like AJAX, GIT, and APACHE2 for creating web based wireless testing system.
• Docker container configuration, activation, handling live webhosting & troubleshooting.
• Migrated Monsoon metadata web app to Docker container.
• Installed Chef Server Enterprise on workstation and bootstrapped the nodes using Knife.
• Implied in testing cookbooks on different platforms using Test Kitchen.
• Hands-On knowledge with the Chef DK for storing cookbooks and in documenting the pattern and use of Delivery CLI to automate the adeptness in Chef.
• Involved in writing Chef Cookbooks and Recipes to automate the deployment process and to integrating Chef Cookbook.
• Implementing change requests raised by user for server configuration, kernel tuning, software installation and OS hardening.
• Managing Linux VMs using puppet as per some projects requirement, have knowledge of modules, manifests and roles on puppet.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• 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.
• Integrated delivery (CI and CD process) Using Jenkins, Nexus, Yum and Chef.
• Worked on Jenkins and Worked on Various Plugins like Git, Mavan and packer.
• Developed Configuration Management GIT from scratch and prepared documentation accordingly.
• Initially, the release process is manual in which the code is pushed manually from QA to PROD.
• Automated the process of release by pushing all the code to GitHub.

Environment: /Tools:SVN, GIT, GIT, WebSphere, Ant, JIRA, Maven,AWS, Puppet, Chef, Jenkins, LVM, Docker, Agile methodology, Linux, Packer, Bash, Perl.

Sr. Linux Administrator

Confidential

Responsibilities:

• Administration of RHEL and AS 4, 5, 6 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Installation, configuration, administration of Solaris 9, 10 on SPARC based servers using Jumpstart.
• Creating, cloningLinuxVirtual Machines, templates using VMware Vsphere 4.0 and migrating servers between ESX hosts.
• Setting up the web management and installing the binary packages with Radius protocol.
• Installing RedHatLinuxusing kickstart and applying security polices for hardening the server based on the company policies.
• Created, clonedLinuxVirtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between VMware ESX hosts.
• User, Group management for all the UNIX servers and used onLinux.
• Experienced In setting RAID disk configuration on Linux servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Configured SUDO and grant root permission to Backup DBAs to perform root related activities.
• Create / Change passwords for users needing access to servers for specific uses.
• Creating and modifying Standing Operating procedures for the team.
• Modifying/ Writing scripts in Bash and Korn shell for optimizing day to day administration.
• Experience with Virtualization Technology: KVM, VMWare ESXi, VMWare Workstation and VirtualBox
• Resolving system errors and crashes, huge file system errors.
• Interacting with clients to talk about their problems and requests regarding system issues.
• Creating and maintaining client's data interface utilizing either SSH File Transfer Protocol or File Transfer.
• Provide internal associate, external clients, and third-party vendor support for daily operation we should Report analysis for resource utilization and 24x7 on call support.

Environment: /Tools:Red-HatLinuxEnterprise servers, Windows 2003 server, Shell programming, JBOSS 4.2, JDK 1.5,1.6, VMware Virtual Client 3.5, VMware Infrastructure 3.5, LVM

System Engineer

Confidential

Responsibilities:

• Installation and configuring of SUN Solaris andLinuxservers.
• Involved in Building and configuring Solaris 8/9/10 using Jumpstart server and Red HatLinux Servers using Kick Start server as required for the project.
• Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Installed and configured Solaris 10 servers with Zones and containers with Sun ZFS.
• Primary responsibility includes building and supporting Solaris/ RedhatLinux3,4 servers.
• Installed, Configured, Upgraded and administered Sun Solaris, RedHatLinuxand HP-UX
• User account management, managing passwords setting up quotas and support.
• Worked onLinuxKick-start OS integration, DNS, DHCP, SMTP, Samba, NFS, FTP, SFTP, SSH, LDAP integration.
• Configuring and Administrating Cron Jobs. Involved in Creating Shell Scripts like Automation of Startup and Shutdown Processes.
• Experience in deploying and upgrading software packages.
• Key player in Change activities in co-ordination with On-shore team.
• Experienced with allocating SAN disks to the virtual Machines.
• Involved in Disaster recovery exercise like SAN migration, Power outages etc.
• Analyzing the client servers and providing them suggestions to improve the performance and stability Provide accurate and timely solutions as per SLA defined.
• Created and maintained user's accounts, profiles, security, rights disk space and process monitoring.
• Provided technical support by troubleshooting Day-to-Day issues with various Servers on different platforms.

Environment: RHEL, Solaris, AIX, HP-UX, Shell and Perl scripting, DNS, NFS, Cron jobs, LVM, LDAP, SSH, FTP, Kickstart servers.