SUMMARY:

• Around 8+ years of IT experience in infrastructure automation, code migration, and Deploying instances on cloud environments, Data Centers and mostly involved in the areas of Linux/Windows Administration, Build and Release Management, AWS/Azure, CI/CD Lifecycle.
• Worked on Continuous Integration (CI) and Continuous Delivery (CD) in Agile, Scrum and Waterfall methodologies with thorough knowledge on each phase of SDLC (Software Development Life Cycle).
• Strong Experience in setting up enterprise infrastructure on AWS platform and In - depth knowledge in designing highly available, fault tolerant, scalable systems like EC2, S3, EBS, VPC, ELB, AMI, SNS, SQS, RDS, IAM, Lambda, Route 53, Auto scaling, Load Balancing, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, Terraform, OpsWorks, NAT Gateways, Subnets, Security Groups and NACL's.
• Ensure data integrity and data security on AWS technology by implementing AWS best Nagios practices.
• Experience in Converting existing AWS infrastructure to Server less architecture (AWS Lambda, Kinesis), deploying via Terraform and AWS Cloud Formation.
• Experienced with event-driven and scheduled AWS Lambda functions to trigger various AWS resources and worked on Lambda, for triggering events with cloud watch using Lambda functions.
• Familiar with concepts of MS Azure, and Open Stack Cloud based technologies.
• Implemented high availability with Azure Classic and Azure Resource Manager deployment models.
• Designed Network Security Groups (NSGs) to control inbound and outbound access to network interfaces (NICs), VMs and subnets.
• Created tagging standards for proper identification and ownership of EC2 instances and other AWS resources .
• Developed AWS Cloud Formation templates to create custom sized VPC, subnets, EC2 instances, ELB, Security Groups .
• Expertise in working 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.
• Experience in performance tuning and query optimization in AWS Redshift .
• Worked on AWS Cloud Formation, Open Stack and Terraform API to create infrastructure on AWS as a code.
• Expertise in EC2 Backup methods, ELB (classis and application) security and application logging using Cloud Trail integration with Kibana and Elasticsearch.
• Advanced knowledge of Cloud Services on Google Cloud Platform ( GCP ).
• Extensively involved in infrastructure as code, execution plans, resource graph and change automation using Terraform, Managed AWS infrastructure as code using Terraform, Expertise in writing new plugins to support new functionality in Terraform.
• Familiarity with Kubernetes, Mesos, Docker Swarm.
• Developed microservice onboarding tools leveraging Python and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services.
• Experienced in Agile development methodology including SCRUM Framework.
• Experience in writing Shell, Python, YAML, Ruby and Perl scripts to automate the deployments.
• Proficient with Vagrant & Docker based container deployments to create shelf environments for dev teams and containerization of environment delivery for releases.
• Experience with working on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configuration.
• Experienced with deployment automation of all the microservices to pull image from the private Docker Registry and deploy to Docker swarm cluster using Ansible.
• Build additional Docker Slave nodes for Jenkins using custom built Docker images and instances.
• Used Nagios and Splunk to analyze, monitor and log management.
• Configured third party SSL certificates on Splunk Web for better security and worked on other secured scenarios as well.
• Worked extensively on automation engine using Ansible that automates cloud provisioning, configuration management, application deployment, intra-service orchestration and many other IT needs.
• Extensive experience in setting up Chef Workstation, Server and Clients.
• Created and Maintained Chef Recipes and cookbooks to simplify and expedite deployment of applications and mitigate user error.
• Puppet server experience and ability to build it from scratch, very clear understanding puppet control repo and puppet module repo code to sync via R10K, agent, Puppet DB and relevant services and all level of troubleshooting related to client and server.
• Installed, configured and administered Continuous Integration tools such as Jenkins, Bamboo and Team city for End-to-End automation for all Build and deployments.
• Expertise in Jenkins deployment jobs and deploy application POM/ZAR via Nexus Sonatype, Docker containers services.
• Experience in writing builds using Apache MAVEN, Apache ANT, Gradle as build tools for the building of deployable artifacts from source code.
• Extensive experience with build tools for writing scripts build.xml, pom.xml and build Gradle respectively.
• Experienced in branching, Merging, Labeling/Tagging, Integrating and maintaining the version control across the environments using SCM tools like SVN, GIT, GitHub, Bitbucket to track changes made by different people in source code.
• Experienced in deploying the code through web application servers like WAS, WebLogic, WebSphere Commerce Server, JBOSS and Apache Tomcat.
• Proficient in working with Bug Tracking Tools JIRA, Rally, Remedy and Service now.
• Knowledge in using different RDBMS like Microsoft SQL Server, Oracle 10g, 11g, MySQL, MSSQL, MongoDB.
• Experienced in Configuring Servers to provide Networking Services, including HTTP/HTTPS, FTP, SSH, DNS and LDAP.
• Good understanding of OSI Model, various protocols/services like IP, TCP, UDP, SMTP, FTP, SFTP, DNS, DHCP, NFS, HTTP, SSH, HTTPS and SCP.
• Configuring and installing VMWare, VirtualBox, Virtual Center Servers and VMWare vCenter appliance.
• Experienced in Administration of Production, Development and Test environments carrying different operating system platforms like Windows, Ubuntu, Red Hat Linux, Unix.
• Managed environments DEV, QA, UAT and PROD for various releases and designed instance strategies.
• Provided production support in an on-call in a 24x7 environment.
• Good communication skills, Excellent Customer handling capabilities and a very good team player.

TECHNICAL SKILLS:

Operating System: Windows, Unix, Linux (RHEL, Centos, Ubuntu)

Virtualization Tools: VMware vSphere, Oracle Virtual box, VMware Workstation

Cloud Infrastructure: AWS, Azure, OpenStack

Iac: Terraform

Version Control Tools: GIT, GitHub, Bitbucket, Subversion.

Build Tools: Maven, ANT, Gradle

CI/CD Tools: Jenkins, TeamCity, Bamboo, UDeploy / Ansible, Chef, Puppet, SaltStack, Octopus

Server: TFS (Team Foundation Server)

Logging & Monitoring Tools: Nagios, Splunk, Zabbix, New Relic, ELK Stack

Messaging Tools: RabbitMQ, Kafka

Repositories: Nexus Sonatype, jFrog Artifactory

Containerization: Docker, Kubernetes

Bug Tracking Tools: JIRA, Rally, Remedy and IBM ClearQuest

Programming & Scripting: PL/SQL, XML, HTML, Shell, Bash, Python, PowerShell, Perl, groovy, Ruby, YAML

Databases: Oracle, MySQL, SQL Server, MSSQL, MongoDB, DynamoDB

Networking Services: HTTP, FTP, SSH, TELNET, VPN, TCP/IP, DHCP, SNMP, FTP, NFS, WinSCP, SAN/NAS, RAID Levels

Web/Application Servers: JBOSS, Apache Tomcat, WAS, WebLogic, Nginx, WebSphere.

Web Technologies: Servlets, HTML, CSS, Java Script, AngularJS, jQuery

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta - GA

Sr. DevOps & AWS Engineer

Responsibilities:

• Involved in Building and configuring Red Hat Linux Servers using Kick Start server as required for the project.
• Maintained maximum uptime and maximum performance capacity for enterprise production, QA and UAT/Staging .
• Developed build and deployment processes for Pre-production environments.
• Involved in developing custom images on Cloud using AWS images and on ESX using Templates and involved in building physical servers using Kickstart PXE Boot and Jumpstart.
• Involved in implementing new AWS instances and working with EBS and S3 storage, IAM.
• Configured S3 to host static web content, versioning and lifecycle policies to and backup files and archive.
• Launching and configuring of Amazon EC2 Cloud Servers using AMI's (Linux/Ubuntu).
• Building and configuring of EC2 instance on AWS cloud platform, Configuration of Elastic Load Balancer (ELB) for traffic control for the EC2 and S3 instances.
• Architecting of cost effective infrastructure by utilizing various AWS services and options.
• Building of High Availability and Fault Tolerant infrastructure by utilizing various Amazon regions and availability zones.
• Configured an AWS Virtual Private Cloud (VPC) and Database Subnet Group for isolation of resources within the Amazon RDS Aurora DB cluster.
• Automated the cloud deployments using AWS CloudFormation Templates.
• Supported AWS Cloud environment with 1000+ AWS instances and configured Elastic IP and Elastic storage.
• Set up Elasticsearch, Logstash and Kibana for multiple clusters, helping other teams quickly access new job logs.
• Ability to implement and deploy Azure offerings including both the IAAS and PAAS offering.
• Setup Azure Virtual Appliances (VMs) to meet security requirements as software-based appliance functions (firewall, WAN) optimization and intrusion detections.
• Involved in using terraform to migrate legacy and monolithic systems to amazon web services .
• Setting up the build and deployment automation using Terraform scripts using Jenkins.
• Involved in setting up Docker Host, Docker Registry, RHEL/ Centos Atomic Host, Docker images (Centos, RHEL and Ubuntu instances).
• Build additional Docker Slave nodes for Jenkins using custom built Docker images and instances.
• Installed & configured Nagios on Linux servers .
• Installed and configured monitoring tool Nagios, CloudWatch for monitoring the network bandwidth and the hard drives status.
• Orchestration and Automation of configuration management through Ansible.
• Developed automation scripting in YAML using Ansible to deploy and manage Java applications across Linux servers.
• Installed Chef client software on RHEL 6.x servers and established a communication between master and client through SSL certification.
• Configured and maintained Jenkins to implement the CI process.
• Set up Jenkins server and build jobs to provide continuous automated builds based on polling the GIT source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins, GIT and JUnit .
• Implemented build tools such as Ant/Maven to automate and enhance the overall operational environment.
• Automated Weekly releases with ANT/Maven scripting for Compiling Java Code, Debugging and Placing Builds into Maven Repository.
• Used AGILE MVN method to develop a build and ANT as a build tool.
• Involved in writing parent POM files in Maven to establish the code quality tool integration.
• Used GIT, GitHub as source code repositories.
• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Resolved merging issues during rebasing and re-integrating branches by conducting meetings with Development Team Leads.
• Maintained and coordinated environment configuration, controls, code integrity, and code conflict resolution.
• Coordinated with the Storage, Network and Hardware teams on server provisions.
• Performed Troubleshooting in critical hardware and software issues and other day-to-day user trouble tickets.
• Installing IBM MQ Queue Mangers on Linux server and routing the messages to external parties.
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permission issues, user and group quota.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets.
• Worked with Virtualization technologies like Installing, Configuring, and administering VMware ESXI 4.1/5.0/5.5 environments.
• Created and managed VMs (Virtual Server) and involved in the maintenance of Virtual Servers.
• Created new groups and tested first in development, QA Boxes and then implemented the same in production Boxes.

Environment: Git, ANT, Maven, Jenkins, Docker, Ansible, Vagrant, Terraform, Nagios, Azure, VMWare ESXI, RHEL Server, AWS (EC2, S3, VPC, IAM, EBS, RDS, CloudWatch, CloudFormation, ELB, SNS, SQS, ELK), YAML, Shell, IBM MQ Queue, Junit.

Confidential - Baltimore, Maryland

Sr. DevOps Engineer-AWS

Responsibilities:

• Configured Elastic Load Balancers with EC2 Auto scaling groups.
• Configured S3 versioning and lifecycle policies to and backup files and archive files in Glacier.
• Created monitors, alarms and notifications for EC2 hosts using CloudWatch.
• Worked on Cloud automation using AWS CloudFormation templates.
• Implementation of NAT gateways for web apps hosted in private subnets.
• Wrote Bash/Shell/Perl scripts for managing day-to-day transactions & for automation of routine tasks.
• Automated application deployment in the cloud using Docker technology using Elastic Container Service scheduler.
• Automated the Applications and MYSQL, NOSQL container deployment in Docker using Python and monitoring of these containers using Nagios.
• Worked on User administration setup, maintaining account , monitor system performance using Nagios.
• Managing and Architecting more than 3000 virtual servers. Monitoring of Application and Servers through Nagios. Web Servers Administration on Apache and Nginx.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment.
• Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef- server, Managed On-site OS/Applications/Services/ Packages using Chef as well as AWS for EC2/S3&ELB with Chef Cookbooks.
• Writing JSON templates for cloud formation and Ruby Scripts for chef automation and contributing to our repository on GitHub.
• Developing scripts (recipes in chef) for automatic deployment of servers and managing configuration files through chef.
• Automated Deployment using Configuration Management tool like Chef to provision amazon AWS Instances to enable continuous Deployments.
• Created scripts in Ruby which integrated with Amazon API to control instance operations. Managed and configured hundreds of servers using Chef.
• Configuring Chef to build up services and applications on the instances once they have been configured using CloudFormation.
• Pushing all configuration management into chef to allow for rapid roll-out of new Infrastructure.
• Designed chef cookbooks to manage configurations and automate installation process.
• Rolled out Chef to all servers and used the chef node database to drive host configuration, DNS zones, monitoring, backups.
• Created various modules and Manifests in puppet to automate various applications.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Automated the deployments using scripts which execute the automated CI and release management process.
• Implementing new projects build framework using Jenkins & Maven as build framework tools.
• Created automation for many AWS specific tasks such as parsing a CSV for automated read/writes into DynamoDB so that changes are source controlled and automated via Jenkins.
• Used ANT and MAVEN as build tools on java projects for the development of build artifacts on the source code.
• Implemented branching and strategies and automated release branching process using GIT.
• Responsible for maintenance of the GIT(Bitbucket/Stash) Repositories which includes Jenkins Integration , creating pull requests, branching .
• Worked closely with developers to define and configure application servers, virtual hosts, web applications, web resources, back-end resources as well as deployment of EJBs and web-based applications like ANGULAR JS and NODE JS across multiple instances of WebSphere.
• Implemented backup process for Jenkins, Bitbucket, Crucible, JIRA, Confluence .
• Implemented LDAP for JIRA, Bitbucket, Crucible, Confluence and AD for Jenkins .
• Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.
• Perform Deployment of Release to various QA & UAT in Linux environments.

Environment: AWS (EC2, S3, VPC, IAM, EBS, RDS, Glacier, Auto Scaling, CloudWatch, CloudFormation, ELB, SNS, SQS), PowerShell, Docker, Chef, Puppet, GIT, Bitbucket, Jenkins, ANT, Maven, Nexus, Python, Ruby, Bash, Shell, Nagios, CSV, Crucible, JSON, JIRA, DynamoDB, WebSphere, Java.

Confidential - Modesto, CA

DevOps & Systems Engineer

Responsibilities:

• Performed all necessary day-to-day Subversion/GIT support for different projects.
• Working with an agile development team to deliver an end to end continuous integration/continuous delivery product in an open source environment using Puppet and Jenkins to get the job done.
• Worked on documentation - Chef basics, Initial setup of Chef, Data bags implementation, Coding standards, Cookbook document, testing docs.
• Responsible for managing the Chef Client nodes and upload the cookbooks to chef-server from Workstation.
• Implemented Continuous Integration and deployment using various Tools like Jenkins, Chef and Puppet.
• Written Puppet modules and manifests to automate the deployment process and to integrating the modules into Jenkins jobs for a continuous delivery framework.
• Develop and enhance the automated configuration management system.
• Used SNMP plugin for Nagios, Splunk for easy and strong infrastructure services monitoring.
• Written modules for WebLogic, JDK and Jenkins, Tomcat, JBoss and deployment automation.
• Set up CI (Continuous Integration) for major releases in Jenkins and TeamCity.
• Used various services of AWS for this infrastructure. Used EC2 as virtual servers to host Git, Jenkins and configuration management tool like Chef. Converted slow and manual procedures to dynamic API generated procedures.
• Maintain and enhance current build procedures for all software development projects.
• Used chef to configure/install web servers, database servers and Involving in installing chef node, workstation and server.
• Used Ant, Maven to perform daily and weekly Software Builds.
• Maintain build system and automate build process for different applications.
• Deploying Java Enterprise applications to Apache Web Server, JBoss Application server.
• Worked with Knife command line tool and creating Cookbooks.
• Written several cookbooks consisting of many recipes to perform Installation and configuration tasks involving JDK, tomcat, JBoss installation and domain creations.
• Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts.
• Worked on Docker container snapshots, attaching to a running container, removing images, managing structures, and managing containers.
• Involved in working on several Docker components like Docker Engine, Hub, machine, compose and Docker registry.
• Worked on Docker Hub, creating Docker images, and handling multiple images primarily for middleware installations and domain configurations.
• Created branching & tagging strategy to maintain the source code in the GIT repository and Coordinated with developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage on 2, 3, 4 node clusters.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as iptables, firewall, TCP wrappers, NMAP.
• Worked with Oracle Database Admin to keep all the specified tables as assigned by developments in sync for every release.

Environment: Java/ J2EE, Red Hat Linux, RPM and YUM, ANT, Maven, SVN, GIT, Ruby, Python, Bash, Tomcat, JBOSS, Apache, Shell Script, Splunk, Nagios, AWS (EC2, S3, ELB), Chef, Puppet, Docker.

Confidential - Dallas, TX

Sr. Build & Release Engineer

Responsibilities:

• Primary responsibilities include Build and Deployment of the java applications into different environments like Dev, Prod and QA.
• Managing the code migration from TFS, CVS and Star team to Subversion repository.
• Used sub modules in the GIT and educated users working with sub modules in GIT. Created repositories according the structure required with branches, tags and trunks.
• Create continuous integration/deployment with Application Release Automation (Nolio / Urban Code) by integrating and improving client's existing infrastructure and build pipelines, largely aiming for autonomous automation when possible.
• Installed Jenkins on a Linux machine and created a master and slave configuration through a build farm for implementation of multiple parallel builds.
• Set up and maintain continuous automated build system with Jenkins, ClearCase and Python scripting.
• Involved in migration and upgrade of Bamboo server, Artifactory & Git server.
• Addressed software configuration management issues in coordination with development team.
• Used configuration management tools Chef, Puppet, and CF Engine.
• Manage deployment automation using Puppet, Roles, Profiles, Collective, Hiera and Custom Puppet modules.
• Installed and configured UDeploy for automating deployments and providing a complete automation solution.
• Performed Server configuration management and implemented Oracle Transparent Data Encryption.
• Generated scripts in Perl, Bash, Shell, Groovy for build activities in QA, Staging and Production environments.
• Constructed a RESTful API to manage infrastructure services using Python and Flask.
• Responsible for WebLogic, JBoss support and monitoring various applications deployed on Linux and Windows platforms.
• Well versed with Nagios monitoring setup, puppet automation for squid, beakers, apache, and module automation for middle ware environments.
• Splunk implementation, configure, maintain, troubleshooting Splunk/Linux systems.
• Worked extensively on Linux, Solaris, AIX platforms.

Environment:: Java, TFS, CVS, GIT, Subversion, Maven, Jenkins, chef, puppet, Bamboo, Artifactory, Perl, Groovy, Bash, Python, Flask, Oracle, UDeploy, WebLogic, JBoss, Splunk, Nagios, Linux, Solaris, AIX.

Confidential

Build & Release Engineer

Responsibilities:

• As member of build and deployment processes, worked closely with developers to pinpoint and provide early warnings of common build failures, enforced automation in build and deployment procedures, Created repositories in SVN as per the requirement
• Used IBM Rational Clear Case as Version Control.
• Installed, configured, and maintained Rational Clear Case and Clear Quest in Windows and UNIX environment.
• Managed Clear Case repositories for branching, merging and tagging.
• Used JIRA for change control & ticketing.
• Implemented SharePoint Disaster Recovery Plan for multiple SharePoint 2010 environments.
• Administered and managed SharePoint Farms and SharePoint Databases.
• Wrote Puppet Manifest files to deploy automated tasks to many servers at once.
• Developed Shell/Bash/Perl Scripts for automation purpose.
• Diagnosed and resolved issues relating to local and wide area network performance.
• Worked with JIRA, a tool that handles DCR (Defect Change Request) & MR (Maintenance Request).
• Written cookbooks for WebLogic, JDK and Jenkins, Tomcat, JBoss and deployment automation.
• Set up CI (Continuous Integration) for major releases in Jenkins and TeamCity.
• Resolving merging issues during build and release by conducting meetings with developers and managers.
• Responsible for designing and deploying best SCM processes and procedures.
• Rolled out Chef to all servers and used the Chef node database to drive host configuration, DNS zones, monitoring & backups.
• Formulated and executed designing standards for DNS servers.
• Worked closely with software developers and DevOps to debug software and system problems.
• Maintained and coordinated environment configuration, controls, code integrity, and code conflict resolution.
• Implemented Maven builds to automate JAR and WAR.
• Developed automation and deployment utilities using Ruby, Bash, PowerShell, Python and Rundeck.
• Used Build Forge for Continuous Integration and Deployment into Web Sphere Application Servers.
• Supported and developed tools for integration, automated testing and release management.
• Verified if the methods used to create and recreate software builds are consistent and repeatable.
• Releasing code to testing regions or staging areas as per the schedule published.

Environment: Clear Case, Maven, Build Forge, JIRA, RHEL, Perl Scripts, Shell Scripts, XML, Web Sphere, Jenkins, Chef, Puppet, Clear Quest.

Confidential

Linux Administrator

Responsibilities:

• Configured kick start server and updating/applying patches to the servers using Red Hat Satellite Server.
• Planned and performed the upgrades to Linux (RHEL, SUSE, CENTOS) operating systems and hardware maintenance like changing memory modules, replacing disk drives.
• Installation and configuration of Oracle 7.x/8.x
• Maintained and administered RHEL, Solaris and SUSE Servers.
• Administered and troubleshoot networking with CISCO 3640 Routers, 2900, 3350 Switches and PIX 520, 501 Firewalls.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Worked on implementation and troubleshooting of network services like NFS, FTP, NTP, Telnet, SSH.
• Identify, troubleshoot and resolve problems with the OS build failures.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Writing shell scripts for automation of daily tasks, documenting the changes that happen in the environment.
• Wrote and implemented Perl script to modify LDAP database.
• Used Puppet tool for managing system configurations.
• Troubleshooting Backup and Restore problems, Creation of LVMs on SAN using Linux utilities.
• Performing failover and integrity test on new servers before rolling out to production.
• Involved in setting up Storage Area Network (SAN) and Network Attached Storage (NAS) and file system backup and restore.
• Scheduling jobs using CRONTAB & AT utility.
• Managed servers using Cloud platforms and developed relationships with vendors/ clients.
• Administered and Configured Logical Volume Manager which involved create and modify file system, logical volume, Physical volume, Volume groups, mirroring and un-mirroring of volume groups, hot spare physical volume.
• Monitoring CPU, memory, physical disk, hardware and software raid, multipath, file systems, network using the tools Nagios monitoring.

Environment:: Red Hat Linux, Solaris, SUSE, Oracle, SSH, Telnet, Puppet, Networking, CISCO Routers and switches, Firewalls.