SUMMARY

• 8 years of professional experience in Software Industry - Experience with Linux/Unix environments and scripting for Build & Release automation. Specialized in System Administration working on Redhat Linux, SUSE Linux, CentOS, Fedora, OEL and Windows environments, Ubuntu, UNIX flavors like Sun Solaris and Windows Servers.
• Experience in development and configuration experience with software provisioning tools like Chef, Puppet and Ansible.
• Continuous delivery from commit to deployment using SVN/GIT, Jenkins/Maven, GPS packaging system, and Puppet/Chef.
• Expertise in Installation, Configuration of Package and Patch Management.
• Experience using RPMs to effectively package the applications for product deployments
• Created and Maintained Subversion repositories, branches and tags.
• Administered and Implemented CI tools Hudson,Jenkins and bamboo for automated builds.
• Installed and Configured Jenkins Plugins to support the project specific tasks.
• Experience in using Nexus and Artifactory Repository Managers for Maven builds.
• Experience in Performance Monitoring of CPU, Memory, Disks, Network using various monitoring tools like Nagios, Introscope, Splunk, and BMC for UNIX.
• Experience on Cloud automation using AWS Cloud Formation templates.
• Experience in supporting Amazon EC2 environment with around 200+ instances running Apache and Java development applications like Jboss.
• Experience with migration to Amazon web Services AWS from Datacenter.
• Experience in configuring AWS cloud servers with Linux, Tomcat, MySQL, Apache, etc.
• Used Atlassian Jira, Confluence, Fisheye, Crowd, Stash and integrated Jira/Fisheye, Jira/Confluence.
• Having good knowledge in semiconductor technology. Ensuring compliance to quality & product safety standards (EN54, UL864, EN60950, UL1950, and CSA950) and maintaining all related documents.
• Involved in setting up Jira as defect tracking system and configured various workflows, customizations and plug-ins for the Jira bug/issue tracker.
• Monitoring and troubleshooting with JBoss, WebLogic, IBM WebSphere, Tomcat, and Apache web server configuration and deployments.
• Developed and maintained build scripts in Perl, shell, batch, and PowerShell scripts.
• Experience writing Shell scripts to automate the deployments.
• Experience in Installing, upgrading and configuring RedHat Linux 3.x, 4.x, 5.x using Kickstart Servers and Interactive Installation.
• Managed software configurations and builds in a UNIX and Windows environment.
• Managed environments DEV, QA, STAGE and PROD for various releases and designed instance strategies.
• Configuration of the RAID 1 and RAID 5 Storage Systems Veritas File system and Veritas Volume Manager 2.5
• Configured Networking Concepts DNS, NIS, NFS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Efficiency in installing, configuring and implementing the RAID Technologies using various tools like VxVM and SVM.
• Knowledge of Routers, Switches, Hubs, Firewalls, LAN, WAN Intranet, Internet.
• Strong experience and understanding of Auto mounts, TCP/IP, SMTP and Printer configurations.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Experience in using Tomcat and HTTPD Application servers for deployments.
• Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux.
• Ability to work closely with teams, in order to ensure high quality and timely delivery of builds and releases.Strong ability to troubleshoot any issues generated while building, deploying and in production support.
• Very good understanding in the concepts and implementation of high availability, fault tolerance, fail over, replication, backup, recovery, Service Oriented Architecture(SOA) and various Software Development Life Cycle(SDLC) methods.
• Specialized in working with customer problems, communicating with end users through their helpdesk/Service Center tickets for both hardware and software related issues

TECHNICAL SKILLS

Operating System: CentOS 5/6/7, Linux-Red Hat, Fedora, SUSE, Debian, Ubuntu, Unix-IBM-AIX, Sun Solaris, and HP-UX

Databases: ORACLE, MySQL, PostgreSQL and No SQL, Cassandra, Riak

Application Server: WebLogic 10.x/9.x/8.x, WebSphere, Apache HTTP/Tomcat/Jboss

Languages: Shell scripting, Perl, Python, Ruby, C, JAVA

Networking: TCP/IP, NIS, NFS, DNS, DHCP, LAN, FTP/TFTP, SSH, SFTP, ARP

Configuration/Management and Cloud Tools: Cobbler, CFengine/Puppet/Chef/ Ansible IPAM, Microsoft Active Directory, syslog, Subversion, IBM Bigfix/ Endpoint Management and AWS S3, EBS,EC2,Cloud watch

Source Code Management tools (SCM): Visual Svn, Subversion on Linux, Cvs, GitHub, Google code

Tickets tracking/Bug Tracking systems: Jira, Jira agile, Gemini

Monitoring tools and build tools: Nagios, Splunk& Ant, Maven, Jenkins

Backup and Recovery tools: Dump, Restore, Tar, CPIO, Rsync, Kickstart Installation; Firewalls IPTables; SELinux; ACLs, Kernel re-compilation & Patches update

PROFESSIONAL EXPERIENCE

Confidential, Irvine, CA

Systems Engineer

Responsibilities:

• Automate infrastructure in AWS using amazon web services. Deploy puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.
• Working forDevOpsPlatform team responsible for specialization areas related to Chef for Cloud Automation.
• Advise internal and external business stakeholders in the implementation, use, and support of Symantec core enterprise security products.
• Worked on Managing the Private Cloud Environment using Chef.
• Developed Chef cookbooks to ease web application deployment for Python, Ruby, and Node.js.
• Virtualized the servers using the Docker for the test environments and dev-environment needs.
• Created continuous integration system using SVN, Ant, Jenkins, chef, Puppet full automation
• Integrated Build Process through Jenkins to various SCM tools like GitHub, SVN
• Provided stablebuildenvironments for product development.
• Worked on NoSQL database Cassandra.
• Define rule and police in SymantecDLP Server as per the PCI complianceand Enforce IT Policies, Protect their Infrastructure, and effectively managing the Systems.
• Setup and configured Symantec Endpoint Protection (SEP) software.
• Create cookbooks for Chef using the Ruby programming language.
• Branching, Tagging,ReleaseActivities on Version Control Tools: SVN, GIT.
• Developed Custom Scripts to monitor repositories, Server storage.
• Implemented new Chef cookbooks to support Python applications.
• Developed automation framework for Application Deployments to the cloud environments.
• Automated ContinuousBuildand Deploy Scripts for Hudson/Jenkins Continuous Integration tool.
• Wrote ANT and MAVEN Scripts to automate thebuildprocess.
• Provided tech support for the Symantec Endpoint Protection (SEP).
• Provided ANTbuildscript for building and deploying the application.
• Integration of AutomatedBuildwith Deployment Pipeline. Currently installed Chef Server and clients to pick up theBuildfrom Jenkins repository and deploy in target environments (Integration, QA, and Production).
• Create cookbooks for deployment automation.
• Test Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and Chef Spec.
• Member of the Technical Design team,BuildandReleaseModule for Development of new products.
• Automated the local dev environment using Vagrant/chef-solo.
• Automated the cloud deployments using chef, Python (boto & fabric) and AWS Cloud Formation Templates.
• Provided UNIX scripts for deploying and building the system.
• Documentreleasemetrics, software configuration process.
• Provide responsive off-hours support in a 24 / 7 environment and ensure maximum availability of all servers and applications.
• Logs file analysis (troubleshooting) to resolve issues using scripts.
• Manage VMware Infrastructure clusters on Production Test/Development environments.
• Experience working with VMWare tools like vCenter&vSphere to manage VM's running on ESX cluster nodes and experience working vMotion.

Environment: VMware, AWS, Jenkins, Apache, Docker, GitHub, SVN, Chef, No SQL, Maven, Art factory, Ubuntu, CentOS, Linux, Python, AWS Cloud Formation Templates, Cookbook, Cassandra, AWS RDS, AWS Cloud Watch, Ruby, Chef-solo/server

Confidential, Deerfield, IL

Systems Engineer

Responsibilities:

• Responsible for design and maintenance of the GIT repositories and the access control strategies.
• Carried Deployments andbuildson various environments using continuous integration tool.
• Developed, maintained, and distributedreleasenotes for each scheduledrelease.
• Installed and Configured Jenkins for Continuous Integration.
• Established processes and tools to maintain code base integrity, including check-in validation rules and branch/merge processes.
• Wrote Antbuildscripts for creating jar, war and ear artifacts, which were then deployed to Tomcat and JBoss.
• Data Loss Prevention suite 11.5 - Symantec DLP Product -Implementation and deployment.
• Installed, administered, and managed the support of Symantec enterprise products.
• Improve infrastructure through the development of automation software modules known as Opscode Chef Cookbooks.
• Expert in Dynatrace for tracking the pure paths and Agent Breakdown's for the Agent's and Collector's for the Services related to the Environment's.
• Buildsand deploys J2EE application in JBoss using Shell scripts.
• Expertise in UDeploy for Deploying to various environments and control those related dependencies.
• Maintaining the Environments like Dev, Sit, Uat, Pre-Prod and Prod.
• Created Jenkins Workflows for pre deployment process (DB execution, Environment configuration changes etc.) on both QA and preproduction Environments.
• Coordinated with all the teams before and after the production deployments for the smooth production releases.
• Create Chef Cookbooks and Recipes to maintain and automate various parts of infrastructure.
• Written Shell scripts to apply the Integration label to all the files which needs manual labeling of files.
• Created analytical matrices reports, dashboards forreleaseservices based on Rally tickets. The above docs are being used as the guide for manualbuildand deployment process, in case the automated scripts break (emergencies).
• Design EC2 instance architecture to meet high availability application architecture and security parameters.
• Focus on continuous integration and deployment, promoting Enterprise Solutions to target environments.
• Configuring and Networking of Virtual Private Cloud (VPC).
• Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.
• Managing users and groups using the amazon identity and access management (IAM).
• Work as a JIRA Admin for creating the Jira Stories and assign them to the developers and QA's.
• Verify the Iapi and Server logs at time of Health Check for the JBoss Servers.
• Assist with maintaining currentbuildsystems, developedbuildscripts, and maintained the source control system.
• Documentedrelease,buildsand source control processes and plans.
• Developed and implemented SoftwareReleaseManagement strategies for various applications according to the agile process.

Environment: Java/J2EE, Oracle, GIT, AWS, Jenkins, Maven, uDeploy, Solar - Nexus, Dynatrace, JIRA, Postman, HPALM, Unix Script, Chef, Cookbook, Ruby, Python, SQL Script, JBoss, Iapi logs, Linux.

Confidential, Ohio

Systems Engineer

Responsibilities:

• Deploying and managing many servers utilizing both traditional and cloud oriented providers (Azure) with theChefPlatform configuration system from first light, through initial technology development, and into production and maintenance.
• Installed Puppet client software on RHEL 6.x servers and established a communication between master and client through SSL certification.
• Migrated Linux servers from physical servers to Amazon AWS virtual servers.
• Involved in setting up Linux server with JBoss, Bamboo, stash, Git.
• Configured Kick-start servers to install Red Hat Linux and VMWare ESX on multiple machines.
• Experience configuring LDAP clients and performing activities like user administration using LDAP.
• Experience working with Java applications like Weblogic, Websphere and JBoss and performing JVM installations and upgrades in web logic environment.
• Involved in support and upgrade of Puppet master server from 2.x to 3.x version on servers and clients.
• Wrote Scripts using pom.xml and build Scripts for Maven, Ant.
• Installed maintained and Wrote Hook Scripts for the branches, Source code Management - SVN, CVS.
• Designed a Symantec support tool to streamline bulk virus submissions from vendors to Symantec, providing an easy way for Symantec vendors to track and submit large numbers of virus submissions to SARA.
• Automated the installation of Symantec Endpoint Protection to thousands of servers, circumventing reboots by utilizing reverse engineering techniques, provided automated homing of devices to their appropriate management groups.
• Artifacts maintenance using Repository management tool - Nexus
• Done proof of concepts on cross platform tools using Puppet.
• Jira, Jira Agile administration - Installing, administering and customizing of workflows, Fields, Screens, tickets and introducing the new process monitor the complete life cycle of the ticket and track the status.
• Weekly reporting of the tickets using Jira Reports and No SQL quires.
• Automation of the Build and release using Jenkins, puppet using Bash Scripts.
• Handling the Releases and Maintaining the Release notes.
• Customized the Jira Workflows for Easy tracking of a ticket.
• Continuous Integration of builds using Jenkins’s for generating the Deliverables for testing and client Delivery
• Worked on automation of the Deployment, automatic Testing integration to the Continuous integration process with ticket tracking systems.
• Worked on Database Installer-, which maintains the changes in the database for the easy integration of the Database tools like Liquibase, No SQL, Cassandra and Flyway for generating the DDL changelogs and easy migrating between the environments.

Environment: Subversion (SVN), Git, Jenkins, AntHill Pro, Artifactory, Java/J2EE, Ant, Maven, Linux, XML, Apache Tomcat, WebSphere 6.1, Oracle, JUnit, Unix, Aix, Perl Scripts, Shell scripts.

Confidential

System Admin

Responsibilities:

• Installation, Configuration, Upgradation and administration of Sun Solaris, Ubuntu Linux and HP-UX.
• User account management, managing passwords setting up quotas and support.
• Worked on Linux Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SFTP, SSH, LDAP integration.
• Managing file systems and disk management using Solstice Disksuite.
• Responsible for configuring real time backup of web servers.
• Managed Log file for troubleshooting and probable errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Document solutions for any issues, which did not, discovered previously.
• Controlled the access to users by adding or removing the user from the groups as per the requirements by using LDAP.
• Assigned and deployed software to client/workstation accordingly by using Symantec Altiris.
• Troubleshooter LDAP server if there are any login issues for the users.
• Used LDAP to setPermissions,as an administrator to allow only certain people to access the LDAP database
• Network traffic control, IPsec, Quos, VLAN, Proxy, Radius integration on Cisco Hardware via Red Hat Linux Software.

Environment: Dell Hardware, RHEL 3.x, SUSE Linux,Ubuntu, Sun Solaris 2.6 and 2.7, Sun E450, E250, Sparc stations 20, Switches, Hubs, DAt & DLT Tape Drivers, Apache, IIS 4.0 and Oracle 8i.

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, configuration and upgrade of RedhatLinux5/6, SUSE 11 operating systems.
• Configured and installed and RedhatLinuxServers on Google Cloud.
• Expertise in creating VM Templates, cloning and managing Snapshots
• Remote monitoring and management of server hardware.
• Worked on building Hadoop Clusters on Google Cloud.
• Installed TIBCO Spotfire on RHEL servers
• Installation and administration of DNS, NIS, NFS, NTP, Samba, SNMP & DHCP servers.
• Package management using RPM, YUM and UP2DATE in Ubuntu.
• Installed and deployed the VMware ESX containers for the VM cloud and VSphere
• Experience working in VMware ESX (VSphere) 4.x, 5.x hypervisor for virtualization and installed different OS such asLinux(RHEL), SUSE, Windows.
• Performed Vmotion using the VCenter 5.0 on the ESX machines for migrating the VMs online.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red HatLinuxservers using satellite servers
• Ability to write Shell & Perl scripting.
• Worked on Grub, PXE boot, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration
• Worked on SAN, NAS and DAS storages with HBA card configuration and different level of RAID configuration.
• Troubleshooting and configuration of Local and Network based printers.
• User, Group Administration and Advanced File Permissions.
• Patch management of servers and maintaining server's environment in Development/QA/Staging/Production
• Maintain security for the networked environment while allowing users to access all data and software remotely.
• Worked with various vendors for setting up the testing-lab.

Environment: RHEL 6.x/5.x, SUSE 11, VMware, Windows, Perl, Python, WAS 5/6/7/8, Logical Volume Manager, Hadoop, Tibco Spotfire, VM ESX, VM vSphere