PROFESSIONAL SUMMARY:

• 8 years of experience as a System Administrator in REDHAT Linux, Centos, Oracle Enterprise Linux, Ubuntu, OSX, Windows and Sun Solaris servers and experienced DevOps Engineer
• Experienced in source code management using Git and SVN
• Good understanding of full SDLC with Solid expertise on software Build/Release, Configuration process and DevOps Engineering.
• Experience in Automation, Installation and overall Configuration Management of servers using ansible (Tower), Puppet and Chef.
• Setting up UNIX/Linux environments for various applications. Worked on different Linux distributions like Ubuntu, RHEL, Amazon Linux, CentOS.
• Experience in installing, upgrading and configuring RedHat servers using Kickstart and Solaris server using Jumpstart.
• Experienced with the YUM for RHEL and YAST for SUSE for upgrading the Linux.
• Hands on experience in building RPM's and compiling the Linuxkernel for different builds.
• Expertise in DevOps, Release Engineering, Configuration Management, Cloud Infrastructure, Automation. It includes Amazon Web Services (AWS), Ant, Bitbucket, Maven, Terraform, Jenkins, Chef, SVN, GitHub, NexusCVS, Tomcat, Linux, Atlassian DevopsTools Administration etc.
• Experienced in cloud application and server virtualization using AWS (Amazon Web Services) and Azure
• AWS Certified SysOps Administrator
• Good command in working with Tracking Tools JIRA, Remedy and ServiceNow.
• AWS EC2 and Cloud watch services. CI/CD pipeline management through Jenkins. Automation of manual tasks using Shell scripting.
• Work on Red hat OpenShift of Docker container, and Kubernetes
• Hands on experience in Amazon Web Services (AWS) provisioning and good knowledge ofAWS services like EC2, S3, Glacier, ELB (Load Balancers), RDS, SNS, SWF, VPC, and EBS etc.
• Extensive experience in Installation, Administration, Patching, Upgrades, Configuration, Performance Monitoring, Tuning, Security, Backup, Disaster Recovery, Supporting and Troubleshooting of RHEL 4.x, 5.x, 6.x, SUSE Linux Enterprise Server (SLES) 10.x, 11i, SOLARIS 8.x, 9.x, 10.x, 11.x, CentOS 5, 6 & 7.
• Experienced in shell scripting using ksh, bash, perl, Ruby and python to automate system administration jobs.
• Ruby scripting skills create new, redesign, modify existing scripts to support and improve Java - based applications, data feeds, reporting, batch jobs, and overall system performance.
• Knowledge on Agile, Waterfall and Scrum methodologies. Developed an ability of choosing best methodology depending on projects nature.
• Experience in working with different monitoring tools like Nagios and Cacti.
• Expertise in creation of startup and shutdown scripts, crontabs, files system maintenance and backup scripting and automation.
• Expertise in creation and administering Virtual Machines, Catalogs using VMware vCloud Director 5.0. and hands-on experience of vMotion, SVMotion and Fault tolerance.
• Good Knowledge in planning and designing of Disaster Recovery and Data Recovery.
• Expertise in Installing and Managing LDAP, NIS, NIS+, NFS, DHCP, SAMBA, HTTP, FTP, SSH, DNS etc.
• Worked on installations and upgrades of Atlassian applications like JIRA, Confluence, Stash/Bitbucket and Bamboo usingPostgreSQL and MySQL as databases
• Strong experience in TCP/IP packets, packet analyzing using snoop, tcpdump and Wireshark.
• Hands on experience in installing and administrating CI/CD tools like Hudson, Jenkins, Bamboo.
• Installing and configuring of security networks like certificates using SSL.
• Experienced in installation, configuration, management, troubleshooting and support of WebSphere, JBOSS, Tomcat, Apache Web server and BEA WebLogic application server, LDAP and mail server.
• Experienced on using awk and sed to automate log monitoring.
• Good experience in reviewing system logs files for errors, settings up CRON jobs for backups and monitoring process.
• Experience using Ansible Tower, which provides an easy-to-use dashboard, and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.
• Goodknowledge of Middleware Application Servers.
• MS Office, MS Project, Visio, MS PowerPoint, SharePoint
• Excellent hands on experience in creating, updating and closing tickets.
• Strong trouble-shooting and debugging skills and ability to handle multiple tasks and can work independently as well as in a team.
• Excellent client relation skills and the drive to complete the tasks effectively and efficiently as well as the ability to communicate effectively with all levels of management and the client community.
• Provided 24/7 technical supports to Production and development environments.

TECHNICAL SKILLS:

Databases: Oracle, MySQL, SQL Server, DB2

Operating System: Windows (XP, 7, 8), Red Hat, UNIX, centos, Ubuntu, Fedora

DevOps Tools: AWS, Puppet/MCollective, Chef, Nagios, Ansible(Tower), Jenkins, Maven, Ant, MySQL, JBoss, Zookeeper, terraform, Salt, Tomcat, Apache webserver, Git/GitHub, SVN repo

Scripting Language & Web Technologies: Shell scripting, Perl scripting, PHP, Python, Ruby, SQL, Bash & HTML

Application Servers: WebLogic 8.x, 9.0, 1, Websphere 5.x, 6.x, JBoss 4.x, 5x, Apache Tomcat

Monitoring Tools: Nagios, Splunk, Graphite

CI/CD Tools: GitHub, Git, SVN, Jenkins, Bamboo, Vagrant, Hudson, Cruise Control, Puppet, Chef, Docker, AWS, Ansible, Salt

Bug Tracking Tools: JIRA, Remedy, Rally

Cloud Services: AWS, Open Stack

WORK EXPERIENCE:

Confidential, Houston, TX

Sr. DevOps Engineer

Responsibilities:

• As DevOps/Build & Release Engineer extensively involved in release management, Environment Management, deployments, Continuous integration, Continuous deployment, Incident management, Version management.
• Manage version control tools SVN and Git to version code changes to help developers / programmers branch/ merge/revert code.
• Automated deployment of builds to different environments using Jenkins.
• Experience using Jenkins as a full cycle continuous delivery tool involving package creation, distribution and deployment onto tomcat application servers via shell scripts embedded into Jenkins jobs.
• Worked on setting up terraform AWSfor S3 and Ec2 instances
• Installed and administrate JIRA and Confluence in Integration environment and QA environment.
• Experience using Ansible Tower, which provides an easy-to-use dashboard, and role-based access control, so that it's easier to allow individual teams access to use Ansible for their deployments.
• Automated deployment of builds to different environments using Jenkins.
• Manage deployment automation using Ansible, Automated the build and release management process including monitoring changes between releases.
• Experienced in Creation and maintenance of content for the Ansible community, and implementation of Ansible modules based on customer and community requirements.
• Managed Ansible Playbooks with Ansible roles.
• Worked on build scripts using ANT and MAVEN build tools in Jenkins to move from one environment to other environments.
• Setting up AWS and Vmware instances with terraform
• Configured RDS instances using cloud formation and Terraform.
• Extensive exposure to Configuration Management policies and practices with regards to SDLC along with automation of scripting using BASH/Shell, Perl scripting.
• Monitoring of Linux servers and applications via Nagios.
• Setting up SSL certificates to use DNS for the tools.
• Worked on Docker and created virtual instances with Docker.
• Experience working on several docker components like Docker Engine, Hub, Machine, Compose and Docker Registry.
• Experience with automated testing tools (i.e. Selenium) for Oracle ADF and Java applications.
• Experienced in Cloud automation using AWS Cloud Formation templates.
• Hands on experience in deploying the content cloud platform on Amazon AWS using EC2, S3, and EBS.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier.
• Involved in configuring AWS EC2 instances on cloud platform using Ansible.
• Experience in configure automated application deployment process through uDeploy (urban Deploy) and resolve any deployment problems.
• Involved in installing the EPV AIM in UNIX and Windows.
• Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.

Environment: Jenkins, Git, Github, Ant, jira, Maven, AWS, Ansible, Selenium, Vagrant, Docker, uDeploy, Tomcat, Apache, Naigos, Python, Shell, ruby.

Confidential, Tampa, FL

DevOps Engineer

Responsibilities:

• Administration and Configuration management of version control systems GIT, SVN.
• Developed and maintained the continuous integration and deployment systems using Jenkins, ANT, Maven, Nexus, Ansible and Ruby.
• Experience with Splunk data mining and log file reporting.
• Developed and maintained scripts for deployment automation to multiple environments.
• Creation of servers, AMIs, storage blocks, snapshots, VPCs, subnets, load balancers, and firewalls inAWS
• Installation and upgrade of Ops Code Chef Server and documenting steps.
• Installation and upgrade of Chef Client and Make sure servers are getting converge with chef-server.
• Work station setup for Knife plugin and establish connectivity between Chef server and workstation
• Pushing of chef-cookbook, roles, and data bags on chef-server using knife plugin and executing it on node.
• Bootstrap the node in Cloud using Knife and add them to required Environment.
• Coordinating with different teams to solve the CHEF defects and providing required solution to the issue in an efficient manner.
• Worked on cloud automation framework namely CHEF which included automation of certain software installation processes in the form of Ruby code.
• Installation and Configuration of Vagrant in Windows or LINUX.
• Add required images to Vagrant and create servers out of Images for testing.
• Pushing Code from Git to nexus make available for release through automation script using Jenkins.
• Worked on the cloud automation framework namely CHEF the included automation of certain software installation processes in the form of Ruby code. knowledge on GIT and Jenkins Continuous Integration Server - Installation, Configuration, Design and Administration, and integrating these tools with other systems
• Jenkins Nodes/Agents, Chef, SSH, Amazon EC2 and packaging, deployment and testing.
• Java Virtual Machine and Application Server Tuning, Monitoring and Alerting on Solaris and RHELLINUX
• Installation and configuration of Nagios and installation Big Brother on Client VM for monitoring
• Configuring the client VM's in Nagios, servers for monitoring and applying blackouts for any outages, pulling reports, providing them to client.

Environment: AIX, VMware, Jenkins, Git, SVN, Nagios, and Open SUSE LINUX, Chef,AWS, ANT, MAVEN, ANSIBLE, Vagrant.

Confidential, Foster City, CA

DevOps Engineer

Responsibilities:

• Installed and configured Red hat Enterprise Linux 5.x/6.x Sues Linux, CentOs and AIX servers in development, test and production environments.
• Involved in designing and deploying multitude applications utilizing almost all of the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, IAM) focusing on high-availability, fault tolerance, and auto-scaling in AWS CloudFormation.
• Configured AWS IAM (Security Group) in Public and Private Subnets in VPC and created AWS Route53 to route traffic between different regions.
• Involved in the Branching Strategy, thereby creating different branches in the existing workflow process using revision control tool GIT.
• Manual Installation and configuration of Tomcat and Apache servers and worked with Apache Tomcat for deploying and starting Java/J2ee applications.
• Involved in JIRA as defect tracking system and configure various workflows, customizations and plug-ins for Jira bug/issue tracker, integrated Jenkins with Jira, GitHub.
• Jenkins is used as a continuous integration tool for automation of daily process and for builds and deployments.
• Configured Jenkins to implement nightly builds on daily basis and generated change log that includes changes happened from last 24 hours.
• Implemented Infrastructure automation through Puppet, for auto provisioning, code deployments, software installation.
• Participated in configuring and monitoring distributed and multiple platform servers using Puppet Used Puppetserver and workstation to manage and configure nodes.
• Managed environments DEV, UAT and PROD for various releases and designed instance strategies.
• Production experience in large environments using configuration management tool Puppet supporting with 500+ servers and involved in developing manifests.
• Worked extensively with MAVEN build tools for writing pom.xml files respectively.
• Developed build and deployment scripts using MAVEN as build tool and automated the build and deploy processes using Jenkins to move from one environment to other environments.
• Used Apache Tomcat as application server for deploying the artifacts.
• Installation of certificates on Tomcat servers. Strong in building scalable web applications on AWS.
• Documented release, builds and source control procedures and plans.

Environment: ANT, Puppet, Jenkins, Make, JIRA, Perforce, Shell, UNIX, Linux, Subversion, AWS, Nexus, Apache 2.x, Apache Tomcat 6.x/7.x, New Relic

Confidential, Pittsburg, PA

Unix/Linux Administrator

Responsibilities:

• Administered, Installed and maintained Solaris 8/9/10 servers, Red Hat Enterprise 5.x, 6.x.
• Maintained and supported 700+ Server in Production in development, Test and Production environments.
• Configured Kickstart and Jumpstart Servers RHEL 4.x/5.x and Solaris 9/10 respectively.
• Packaged management and Added patches on Red-hat Linux servers using RPM’s &YUM.
• Configured and installed VERITAS file system, VERITAS volume manager and VERITAS cluster server; Troubleshooting and maintaining VCS for failover and redundancy.
• Maintained and configured VERITAS file system, VERITAS volume manager, and VERITAS cluster server.
• Troubleshoot and maintained VCS failover and redundancy.
• Handled and upgraded Sun Cluster, Red-hat Cluster server, VERITAS Cluster server, Zone administration and configuration.
• Shared common storage device with GFS (Linux) and ZFS (Solaris) file systems.
• Configured and created local and global zones using Solaris container technology.
• Configured and Installed Websphere and Apache servers.
• Accomplished and Deployed NIS and NFS for administrative and project requirements.
• Handled and upgraded Nagios and VERITAS Netbackup for monitoring system resources, logs, disk usage, scheduling backups.
• UsedVMware ESX, VMware VCenter, VMware virtual infrastructure for server consolidation and virtualization.
• Upgraded and handled Storage, coordinating with vendors on EMC Clarion.
• Worked on adding new Users and groups and give sudo access in test and development servers and central file synchronization via sudoers, authorized keys, passwd, shadow, group.
• Worked with DBA team in installing and configuring Oracle 10 g and 11g, Sybase, Db2 client v 8.1 and v9.0.
• Coordinated with application team in installation, configuration and troubleshoot issues with Apache, Web logic on Linux servers.
• Used VERITAS Volume manager to create disk groups, volumes, volume groups, and RAID’s.
• Installed and configured Veritas Storage Foundation Suite, Volume Manager, Cluster Servers & Veritas File systems (Vxfs).
• Installation and Configuration of SSH, TELNET, FTP, DHCP, DNS.
• Local and Remote administering of servers, routers and networks using Telnet and SSH.
• Installed/Configured/Maintained/Administrated the network servers DNS, NFS and application servers Apache and Samba server.
• Worked on LAN/WAN, firewalls, and routing for Internet and Intranet connectivity using different protocols like TCP/IP, DHCP, HTTP/s, FTP, SMTP & SSH.
• Accomplished Disk Mirrors and RAID 0, 1 and 5 levels on several UNIX/LINUX servers.
• Involved in back up, firewall rules, LVM configuration, monitoring servers and on call support.
• Worked on Unix shell scripting for system/application in automating server task, installing and monitoring applications and data feeding file transfer and log files.
• Worked closely and configured IP Multipathing on existing servers to avoid the downtime in case of Network Migration.
• Handled capacity planning, system performance, and SLA compliance.

Environment: RedHat Enterprise Linux 3/4/5, HP-UX 11.0/11i, AIX 5.1/5.3L, Sun Fire 4800/3800/V880/ Sun Enterprise 6500/500/4500/450/420 R/250 servers, Solaris 10/9/8,, Nagios, EMC Clarion/Symmetric, VERITAS Clusters, HP 9000 K, L, N class server, IBM RS/6000, VERITAS volume manager 4.5, 5, VERITAS cluster server 5, VERITAS Netbackup.

Confidential

Unix/Linux Administrator

Responsibilities:

• Install, Configure, and Support all Linux servers in a 24/7 multi-tiered web service.
• Building, Installing, Configuring servers from scratch with OS of RedHat Linux.
• Performed RedHat Linux Kickstart installations on RedHat, performed RedHat Linux Kernel Tuning,memory upgrades.
• Monitoring and service issue resolution of LAMP stack web servers, both shared and VPS.
• Storage Provisioning, Volume and File System Management using LVM, Veritas Volume Manager and Veritas File System (Veritas Storage Foundation), Configuring ZFS file systems.
• Created Global and Regional Process workflow maps and design documents.
• Installed RedHat Linux using kick-start and applying security polices for hardening the server based on company’s policies.
• Implementation of oracle RAC on HPUX blades and Itanium servers with RedHat Linux RHEL along with SAN storage on EVAs.
• Setting up JBoss cluster and configuring apache with JBoss on RedHat Linux, Proxy serving with Apache, troubleshooting Apache with JBoss and Mod jk troubleshooting for the clients.
• Installation and configuration of Apache Webserver in a LAMP stack.
• Monitoring connections and load of Apache server using mod status.
• Configuring DNS, DHCP, NIS, NFS and other Network Services in IBM Power Series.
• Troubleshoot OS issue using system message logs.
• Created Bash scripts to monitor processes and making sure process startup when operating system restarts using chkconfig and RC startup levels.

Environment: Red Hat Linux, Sun Enterprise Servers, Disk Suite, Veritas Volume Manager, LDAP, DNS, NIS, SNMP, Bash scripting, Kick start, Apache, JBoss Sun and Veritas Clusters.