SUMMARY:

• A Professional outstanding, self - motivated career wif over 8+ years of experience in IT industry wif major focus on Linux System Administration, DevOps and Amazon Web Services(AWS) using Software Configuration and Build/Release Management tools like Git, SVN, Jenkins, Maven, Ant, Chef, Puppet, Ansible, Terraform, Docker, Kubernetes, Splunk, OpenStack etc.
• Designed, configured and managed public/private cloud infrastructures utilizing Amazon Web Services (AWS) including EC2, Auto-Scaling in launching EC2 instances, Elastic Load Balancer(ELB), Elastic Beanstalk(EBS), S3, Glacier, Lambda, Cloud Front, Dynamo DB, EMR, RDS, VPC, Direct Connect, Route53, Cloud Watch, Cloud Formation, IAM, SNS, Route 53 and RedShift.
• Experience in installing, configuring, supporting, Upgrades, Patches, Migration, Security, Backup, Disaster Recovery, Performance Monitoring and troubleshooting Unix/Linux/AIX/Windows/Mac Networking services and protocols like NIS, DNS, NFS, DHCP, NAS, FTP, SSH and SAMBA.
• Implementing the VPN connection between Customer Datacenter and AWS environment.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using Ansible, Puppet and chef.
• Experience wif installation, configuration and maintenance of Pivotal Cloud Foundry (PCF) on Amazon Web Services(AWS).
• Good knowledge on Cloud and Virtualization environments such as Azure, Google Cloud Engine and openstack.
• Wrote maintained, reviewed and documented modules, manifests, Hiera configurations and Git.
• Experience in version control using SVN, GIT and GITHUB and continuous integration management using Jenkins.
• Setup Team Foundation Server(TFS) server for version control, defect management, change management etc.
• Point of contact between different teams to complete all the Build and Release activities.
• Installed and configured Jenkins and Hudson for continuous integration and performed continuous deployments.
• Integration of Maven/Nexus, Jenkins, Urban Code Deploy wif Patterns/Release, Git, Confluence, JIRA and Cloud Foundry.
• Experience using Maven, ANT and Gradle as build tools for the building of deployable artifacts (jar, war and ear) from source code.
• Experience in Implementing Configuration Management tools like Ansible, Puppet and Chef.
• Reduced cost and increased recoverability by migrating from Active Directory to OpenLDAP on Ubuntu configured by Ansible.
• Strong experience in chef architecture and chef concepts such as nodes, workstation, chef server, recipes, resources, cookbooks, environments, roles.
• Configured Apache webserver in the Linux AWS Cloud environment using Puppet automation.
• Repositories for Puppet Enterprise on RHEL and Windows platforms.
• Working knowledge on Nagios and Splunk Monitoring tools.
• Set up Elasticsearch, Logstash and Kibana(ELK) for multiple clusters, halping other teams quickly access new job logs.
• Experience in JIRA for Bug Tracking and Test Case Management.
• Deployed the built docker image onMesosusingMarathon. Using a multi-container setup deployed onMesos.
• Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins
• Virtualized the servers using the Docker for the test environments and development environments needs and configuration automation using Docker containers.
• Extensive exposure to Configuration management policies and practices wif regards to SDLC along wif automation of scripting using bash, shell, python and Perl scripting.
• Experience in writing SQL scripts for Oracle 10g, 11g and SQL Server.
• Expertise includes bash and python scripting wif focus on DevOps tools and CI/CD Architecture.
• Worked wif DevOps practices using AWS, Google Cloud, ElasticSearch, Beanstalk and Docker wif Kubernetes.
• Using Microservices and containers to support DevOps environment.
• Experience on Virtualization technologies like VMware ESX, vCenter, vSphere and Xen.
• Application level coding is written in a way dat it will interact wif RESTful API, webservers.
• Experience in Automatic Linux Installation process using Kickstart.
• Excellent understanding of security practices, including PCI-DSS compliance of web ecommerce systems.
• Wrote PowerShell scripts to automatically restart the uDeploy agents on LINUX machines.
• Worked on building and deploying Java code through Jenkins.
• Experience in installation and configuration of Web Sphere, Apache, JBoss, WebLogic and LDAP.
• Proficiency in multiple databases like DynamoDB, MongoDB, NoSQL, MySQL, ORACLE and MS SQL Server.
• Experience of working wif the release and deployment in Java/J2EE, Android, iOS, C, C++ and ASP.net Web applications environment.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier.
• Experience using AWS CLI to create new instances and manage existing instances.
• Administration and management of Atlassian tool suites.
• Expertise in Agile, Scrum software development environment and Application Lifecycle Management.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.

TECHNICAL SKILLS:

Operating system: Redhat Linux, Ubuntu, CentOS, Solaris, Windows Automation and Configuration Management Tools Jenkins, Chef, Ansible, Puppet,Docker, Kickstart, Terraform

Cloud Services: Amazon Web Services: EC2, S3, ELB, Auto scaling, Elastic Beanstalk, Cloud Front, Cloud Formation, Elastic Filesystem, RDS,DMS, VPC, Direct Connect, Route 53, Cloud watch, Cloud trail, IAM, SNS.

Build Tools: Maven, Ant

Application Servers: Web Logic 9.x, 10.x, Apache Tomcat 5.x/7.x, JBoss 4.22. GA Web Sphere 6.x/7.x/8.x

Version control tools: GIT, TFS, Subversion (SVN)

Database System: MS SQL Server, MySQL, MongoDB, Oracle 9i/10g, IBM DB2

Web servers: Apache, Tomcat, JBOSS 4.x/5.x, Web Logic (8/9/10), Web Sphere4.0/5.0

Programming & Scripting: Perl, Python, JavaScript, Ruby, Bash shell, Power shell scripting, Java, .Net, HTML, Javascript, JQuery, CSS, AJAX

Virtualization Technologies: VMWare, Windows Hyper-V, Power VM, Virtual box, Citrix Xen

Monitoring Tools: Nagios, Cloudwatch, Splunk, ELK

PROFESSIONAL EXPERIENCE:

Confidential, San Antonio, TX

Sr. DevOps/Cloud Engineer

Roles & Responsibilities:

• Involved in Architect, build and maintain Highly Available secure multi-zone AWS cloud infrastructure utilizing Chef wif AWS Cloud Formation and Jenkins for continuous integration.
• Setting up private networks and sub-networks using Virtual Private Cloud (VPC) and creating security group to associate wif the networks.
• Working wif Clusters, adding multiple IP addresses to a Servers via virtual network interface in-order to minimize network traffic (load-balancing and failover clusters)
• User and Security administration, addition of User into the System and Password management.
• Worked on web security tools, including LDAP Server, SSL Certificates and client autantication
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud watch.
• Written Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Experience in implementing Data warehouse solutions in AWS Redshift worked on various projects to migrate data from on database to AWS Redshift, RDS, ELB, EMR, Dynamo DB and S3.
• Managing a production infrastructure on Amazon Web Services VPC utilizing AWS Code Deploy, S3, EC2, container Service, Cloud Formation including Auto Scaling.
• Developing payment system module using Spring Microservices on Pivotal Cloud Foundry after successful execution of the main business model.
• Branching, Tagging, Release Activities on Version Control Tools SVN and GIT.
• Developing and maintaining the build environment, the source code control system and managing build packages using Team Foundation Server(TFS).
• Implemented Continuous Integration using Jenkins and Hudson.
• Implementing a Continuous Delivery framework using Jenkins, Ansible in Docker container environment.
• Work on automatic and continuous inspection of code quality, integrating SonarQube wif Jenkins.
• Extensive experience wif Continuous Integration tools Jenkins and project dependency management tools ANT, MAVEN to build Java/J2EE.
• Developed build and deployment script using ANT and Maven to Setup development and QA environments.
• Integrated Jenkins wif uDeploy and Created uDeploy Components, uDeploy process, installed uDeploy agents on both windows and Linux machines according to application team requirements.
• Installed Groovy plugin to Jenkins and worked on groovy scripts to add support for groovy projects.
• Managed Chef Cookbooks to automate system operations and AWS Cloud management.
• Installed and setup web server on Apache and Database server wif MySQL.
• Deploy and configure Chef Server and Chef Solo including bootstrapping of chef client nodes for provisioning.
• Successfully automated deployment of Cassandra and MongoDB by writing chef recipes and preparing cookbooks.
• Created inventory in Ansible for automating the continuous deployment and wrote playbooks using YAML scripting.
• Modernized deployment procedures by repackaging software into rpms and yum repos, enabling one step builds wif an Ansible playbook and shell script.
• Applied patching on different flavors of Linux using configuration management tool Ansible.
• Deployed and configured Elasticsearch, Logstash and Amazon Kinesis(ELK) using chef for log analytics, full text search, application monitoring in integration wifAWSLambdaand CloudWatch.
• Installed and configured Nagios tool, for monitoring network services and host resources.
• System Monitoring and log management on UNIX and Linux Servers including, crash and swap management, wif password recovery and performance tuning.
• Wrote Bash, Shell, Ruby, Perl and Python scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.
• Used JIRA tool to track all the defects and changes related to build and Release Team in Agile environment.
• Implemented continuous deployment wif Apache Mesos and Marathon by using Docker as a container orchestration for data center automation.
• Virtualize the servers on AWS using the Docker, create Docker files and version control.
• Experience designing and deploying container-based production clusters using Docker (Kubernetes, Docker Swarm, Apache).
• Implemented docker -maven-plugin in and maven pom to build docker images for all microservices and later used Dockerfile to build the docker images from the java jar files.
• Configuring nginx for proxy RESTful API calls to micro-services in Docker containers.
• Used Marathon REST API's to kick of new deployments of an application using HTTP PUT and REST services.
• Implemented multiple high-performance MongoDB replica sets on EC2 wif robust reliability.
• Administering and configuring NoSQL Databases like Cassandra, MongoDB etc.
• Worked wif all levels of corporate audience from senior leadership to entry level engineer to improve process and governance for cloud deployment and usage.
• Implements and administers JBoss 6.x, Oracle WebLogic environment; including troubleshooting, applying applications patches, custom code promotions and system monitoring.
• Automated deployment of .Net, Ruby, NodeJS builds to different environments using TeamCity.

Environment: -AWS(EC2, VPC, ELB, S3, glacier, Lifecycle Management policies, CloudFormation, Elastic Beanstalk, Lambda, VPC, RDS, IAM and Cloud Watch, GIT, Maven, Ansible, Hudson, Jenkins, Kubernetes, SQL, Docker, Kubernetes, Jira,AWSCLI,AWS Auto Scaling, Unix/Linux, Bash Shell Script, Python, Apache Tomcat, MongoDB, Oracle DB.

Confidential, Pleasanton, CA

Sr. DevOps/Cloud Engineer

Roles & Responsibilities:

• Design and Implemented Cloud Orchestration solution using Google Cloud, AWS EC2 & Microsoft Azure, Docker.
• Deployment of application and migration of data on AWS Redshift.
• AWS EC2/ELB/VPC/S3/SQS/SNS based infrastructure automation through Terraform, Python, Bash Scripts.
• Managing Amazon Web Services (AWS) infrastructure wif automation and configuration management tools such as Puppet or custom-built.
• Worked on setting up the new repos, managing the permissions for various GIT branches.
• Experience in working wif GIT to store the code and integrated it to Puppet.
• Synchronized off-shore and on-site TFS servers on weekly basis.
• Extensively worked on Jenkins by installing, configuring and maintaining for continuous integration (CI) and for End to End automation for all build and deployments.
• Built end to end CI/CD Pipelines in Jenkins to retrieve code, compile applications, perform tests and push build artifacts to Nexus Artifactory.
• Experienced wif CICD tools Jenkins and uDeploy for setting up configurations of various automated builds and deployments.
• Created Jenkins builds and deployed to application server using udeploy for java, and .Net applications.
• Installed SonarQube plugin in Jenkins and integrated wif project ANT and Maven scripts.
• Implemented puppet and chef as Configuration management tool, to automate repetitive tasks, quickly deploy critical applications, and proactively manage change.
• Utilize Cloud Formation and Puppet by creatingDevOpsprocesses for consistent and reliable deployment methodology.
• Experimented wif Puppet Labs OpenStack puppet modules in a master-less configuration.
• Developed Chef Cookbooks to install and configure Apache Tomcat, Jenkinsand deployment automation.
• Support developers in writing cookbooks for deploying product applications in development, QA and production environment.
• Implemented Chef Cookbooks for OS component configuration to keep AWS server's template minimal.
• Working wif the ELK (ElasticSearch, Logstash, Kibana) stack to analyze log data obtained from Microsoft Business Intelligence tools.
• Monitored and tracked Splunk performance problems, administrations and open tickets wif Splunk.
• Using Agile (JIRA) development techniques and continuous integration through Bamboo.
• Virtualized the servers on AWS, Linux and Windows using Docker, created the Docker file.
• Experience in using Dockers Swarm and deployed spring boot applications
• Working wif DevOps practices using AWS, Elastic Bean stalk(EBS) and Docker wif Kubernetes.
• Configure AWS VPC wif public and private subnets, Routing tables, Internet gateway, Security groups and ACL’s.
• Maintain integrity of the network, server deployment, and security.
• Network administration and monitoring on Linux and Solaris server using third party tools such as Nagios and native UNIX commands like netstat, ifconfig, ethtool, traceroute and tcpdump.
• Performed configuration, building deployment and support of cloud services including Amazon Web Services (AWS).
• Involved in configuration and troubleshooting of multi pathing Solaris and bonding on Linux Servers.
• Configured DNS Servers and Clients, and involved in troubleshooting DNS issues.
• Worked wif Red Hat Linux tools like RPM and YUM to install packages and patches for Red Hat Linux server.
• Developed scripts for automating administration tasks like customizing user environment, performance monitoring and tuning wif nfsstat, netstat, iostat and vmstat.
• Performed network and system troubleshooting activities under day to day responsibilities.
• Created Virtual server on VMware ESX/ESXi based host and installed operating system on Guest Servers.
• Performed cross platform audits of Microsoft Active Directory (AD) objects and user permissions.
• Installing, configuring, modifying, testing and deploying applications on different application servers.
• Extracted the data from MySQL, Oracle, SQL Server and loaded data into Cassandra.
• Deployed the java application into web application servers like Apache Tomcat.
• Installed, Configured and Administered JBoss Application Server 6/5.0/4.x on AIX, RHEL, WINDOWS.
• Documenting and automating the build and release process.

Environment: -AWS (EC2, VPC, ELB, S3, Amazon RDS, Cloud Trail and Route 53, GIT, VPC, Route53, Maven, Hudson, Jenkins, EBS, SQL, ELB, Cloud Watch, Cloud Formation, Docker, Kubernetes, Jira,Terraform, AWS CLI,AWS Auto Scaling, ELK Unix/Linux, Bash Shell script, Python, Chef, Apache Tomcat, MongoDB, Oracle DB.

Confidential, Raleigh, NC

DevOps Engineer

Roles & Responsibilities:

• Developed a fully automated continuous integration system using SVN, GIT, GitHub and custom tools developed in Python and Bash.
• Worked on building and deploying Java code through Jenkins.
• Worked wif Build Automation, Deployment tools and Continuous Integration concepts by using tools like ANT, Maven, MS Build, Jenkins.
• Installed and configured Jenkins for continuous integration and performed continuous deployments.
• Creating Components, Applications and Environments in uDeploy.
• Create and setup automated nightly build environment for VisualStudio, .Net andJavaprojects using Jenkins.
• TEMPEffective at managing enterprise puppet environments, maintaining test and production catalogues and writing reusable modules for use in configuration management.
• Involved in automation by using Puppet running On RedHat Linux wif around 500+ clients.\Worked on Ansible to automate the process of deploying/testing the new builds in each environment, setting up a new node and configuring machines/servers.
• UsedAnsibleto manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Production experience in large environments using configuration management tools like Puppet and involved in developing manifests.
• Monitored physical and virtual servers remotely using Nagios.
• Strong knowledge of TCP/IP, UDP, DNS network, load balancing, firewalls and enterprise monitoring tools Splunk.
• Expertise includes bash, shell, Perl and python scripting wif focus on DevOps tools and CI/CD Architecture.
• Installed and Configured the Apache Tomcat application servers for Dev and Integration Test Environments.
• Expertise in VMware environment architecture, maintenance and performance tuning the Virtual environment.
• Involved in sprints and planned releases wif the team using JIRA and Confluence.
• Created JIRA issues to prioritize and take an action on wat's important, and stayed up to date wif wat's going on around the project.
• Day-to-day administration on Sun Solaris 9/10, RHEL 4/5/6 which includes Installation, upgrade & loading patch management & packages.
• Day to day problem handling like related to File Systems, Disk, Memory, CPU, Network etc., user administration, adding and removing user accounts, changing user attributes.
• Managed the ESXi servers using the vSphere client and vCenter for managing the multiple ESXi hosts. Built Red Hat Linux servers in VMware ESXi through vSphere client.
• Experience in virtualization ESXi hosts, managing vCenter and Data stores.
• Experience using KickStart and modified KickStart based on server profiles and hardware specifications and performed KickStart/PXE installations of RHEL.
• Applied patches every quarter regularly to meet audit requirements using internal YUM repositories, and RPM utility.
• Configured, Managed and Scheduled crontabs for App Accounts and Backup management on a regular basis.
• Actively involved in AGILE/SCRUM Methodologies of project execution.
• Implemented multi Node OpenStack KILO Architecture on KVM Using Latest Release of Ubuntu wif Services like Horizon, Glance, Keystone & Swift.
• Installing, configuring JBoss 4.3 on Linux, UNIX servers, integrating it wif Apache server.

Environment: Puppet,Ansible, Kickstart, Cron, Perl, Nagios, Jenkins, LVM, Veritas volume manager, MySQL, DB2,Oracle PL/SQL, Maven, Git, RPM, VMWare ESX,Ubuntu, WebLogic, Web Sphere, Tomcat, shell script, Bash, KSH, SuSe, Redhat, CentOS.

Confidential

UNIX/LINUX System Administrator

Roles & Responsibilities:

• Installed, configured, troubleshoot, secured and supported RedHat 4/5/6, AIX, CentOS 3/4/5 and SuSe Linux9/10 servers and production servers.
• Tuning the kernel parameters based on the application/database requirement
• Troubleshooting system - OS level and Hardware level.
• Installation, configuration and troubleshooting of Ubuntu, CentOS 6/7 on both standalone and virtual environments.
• Build YUM and RPM repository Server for Development team to upload packages
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes(LVM).
• Worked on various applications like Nagios and improving their performance by performance tuning and analysis.
• Responsible for change management, troubleshooting and resolution of server issues for end users support.
• Involved in migrations and conversions of AIX and Linux servers from Physical to virtual and virtual to virtual.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Configured IP bonding for failover load balancing and configured multipath for SAN.
• Installed and verified dat all AIX/Linux patches or updates are applied to the servers.
• Install, configure and troubleshoot Virtualization technologies such as XEN, VMware, Pacemaker, DRBD VMware, LPAR, and VIOS.
• Document errors, workarounds required, integration problems, security and deployment issues.
• Performance monitoring wif ps, sar, top, Iostat, vmstat, free, lsof and Other Tools.
• Run continuous development and deployment processes using automation.
• Daily maintenance of GIT source repositories and builds.
• Experience in Installing, Configuring and administering JBoss.
• Prepared workflow for build and release management using SVN repository and Hudson build management tool.
• Setting up Splunk monitoring on Linux and windows systems.
• Creating and cloning virtual machines in VMware environment using Virtual Infrastructure client and vSphere.
• Worked wif DRBD and Pacemaker cluster tools.
• Perform daily maintenance routines on Linux servers, monitoring system access, managing file space and tuning the system for optimum performance.
• Installing and configuring Apache and supporting them on Linux production servers.
• Writing shell scripts for Automated Back- ups and Cron Jobs.
• Worked wif Remedy ticketing system and provided 24/7 on call support for production.

Environment: Red Hat Linux 4/5, Oracle 10/11g BMC Tools, Subversion (SVN), NAGIOS, NetBackup, Korn Shell, Bash Scripting, Veritas, web servers, LDAP directory, Active Directory, BEA Web logic servers, SAN Switches, Apache, Tomcat WebSphere, PHP, JavaScript, HTML, CSS and MySQL.

Confidential

UNIX/LINUX System Administrator

Roles & Responsibilities:

• System Administration, System Builds, Installs, Upgrades, Patching, Migration, Trouble shooting, Security, Backup, Disaster Recovery and Performance Monitoring on Linux/AIX/Windows Operating Systems.
• Proficient in configuring Kickstart servers to initiate installation of Red Hat Linux on several machines.
• Worked wif Version Control tools such as GIT and Subversion SVN.
• Automate systems installation, configuration, maintenance, and recovery.
• File system tuning, growing, and shrinking wif Veritas File system and LVM.
• Basic understanding of SAN and NAS based storage arrays and the topologies.
• Experience in Package Management using RedHat RPM/YUM and RedHat Satellite server.
• Experience in writing Shell scripts using bash, for process automation of databases, applications, backup and scheduling.
• Implemented Server consolidation and virtualization using XEN, VMware ESX and vCenter.
• Dual Virtual Host Hardware Installation, configuration and administration. Migration from Xen to VMWARE. ESX installation and configuration, Vcenter Operations.
• Installed and administration of windows and Linux (Centos, Ubuntu and Red hat) servers.
• Installed, monitored and supported Apache and Tomcat Web and Application Servers on Linux environments.
• Installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like NIS, DNS, NFS, DHCP, FTP, SSH, TCP/IP and HTTP.
• Worked wif RAID configuration-RAID 0, 1, 5.
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekend support.

Environment: Kickstart, Cron, Solaris, RedHat, Tomcat, Java, LVM, Nagios, Oracle Virtual box, VMware, SSH, RHEL, FTP, SCP, WinSCP, FileZilla, Bash, UNIX, LINUX, Putty.