SUMMARY:

• 3+ year of experience in IT industry comprising of Linux Administrator/Build and Release Engineer, Software Configuration Management (SCM), Deployment and Tool Engineering in Agile Environment.
• Experienced in UNIX/LINUX Systems like RedHat (RHEL 4, 5, 6), CentOS, Sun Solaris 9/10/11, Ubuntu and Windows Server 2008/2012.
• Hands on Experience in writing Shell Scripts, Scheduling Cron Jobs, Configuring/Administering NIS, NFS, Auto mount, FTP, SAMBA, DNS, DHCP, Mail Server, Proxy Server and Web Server(Apache).
• Worked on Installing/Managing and Supporting Middleware Environments like Apache/Tomcat, JBoss, WebSphere and WebLogic on Linux Environments.
• Deployed Enterprise Application Archive (EAR), Web Application Archive (WAR), JAR, JSP’s, Servlets into servers.
• Knowledge in DevOps / Build & Release Engineer in automating, building, deploying, managing as Configuration Management, Continuous Integration(CI), Continuous Deployment(CD).
• Installed/Configured/Managed Puppet Master/Agent. Upgradation or Migration of Puppet Community and Enterprise. Wrote custom Modules and Manifests.
• Installed/Configured/Managed Chef Server/nodes. Wrote Cookbooks and deployed them in to test machines.
• Knowledge in using Hudson, Jenkins for continuous integration and End - to-End automation for all Build and Deployments.
• Expertise in using Source Code Management and Version Controlling tools like Subversion (SVN), GIT (GitHub, GitLab).
• Knowledge on the Software Build tools like MAVEN and ANT for building the deployable artifacts.
• Strong knowledge on Data Center Automation like Docker and Vagrant.
• Knowledge in using Nexus and Artifactory Repository Managers for Maven Builds.
• Strong Knowledge on AWS Cloud Platform and its services which majorly includes EC2, VPC, EBS AMI, SNS, RDS, EBS, Cloud Watch, CloudFront, Auto Scaling, IAM, S3, Elastic IP’s, Route 53 and its other Services.
• Performed Server consolidation and Virtualization using VMWare ESX/ESXi.
• Skilled Confidential Software Development Life Cycle (SDLC), Agile/Scrum Methodologies.
• Strong knowledge with Scripting Languages like Python, and Ruby
• Strong Knowledge in Application Programming Languages like C, C++, Java, JSP/HTML5/CSS3 and Querying RDBMS such as MySQL, SQL Server and Oracle (10g, 11g).
• Excellent Interpersonal Skills, proven Team Player with an analytical bent to problem solving, delivering under high stress environment and ability to work independently and also as part of team.

TECHNICAL SKILLS:

Operating System: UNIX, RedHat, CentOS, Solaris, Ubuntu, Windows Server

Automation Tools: Dockers and Vagrant

DevOps Tools: Puppet, Ansible

Build Tools: Ant, Maven, MS Build

CI Tools: Jenkins, Hudson

Version Control Tools: Subversion, GIT (GitLab, GitHub)

Cloud Environment: Amazon Web Services

Scripting Languages: Python, Ruby, Perl, Shell Scripting

Repository Manager Tools: Nexus, Artifactory

Server Management: IaaS, VMWare, ESX/ESXi

Web / Application Servers: Apache Tomcat, JBOSS, AWS, WebSphere, WebLogic, Xampp

SDLC: Agile/ Scrum Methodologies, Waterfall

Languages: C, C++, Java, JSP/HTML/CSS, XML, JDBC/ODBC Bridges

Databases: MySQL, Oracle

PROFESSIONAL EXPERIENCE:

Confidential

Application Support Specialist

• Administered Linux System (RHEL) and Version Control Tool Subversion.
• Worked on Confidential Database Application and its tools/utilities like BTEQ, FastLoad, MultiLoad, TPump, FastExport, BAR.
• Used internal concepts like Axeda and VPN to login to remote servers.
• Worked and supported for the Hardware provided by dothill and Golden Gate.
• Remotely supported for Confidential. for Application and its warehouses.
• Administered and installed Artifactory repository to deploy the artifacts generated by Maven.
• Setting up the Continuous Integration and Builds using Bamboo with Artifactory repository.
• Involved in setting up JIRA as defect tracking system and configured various workflows and plugins for the JIRA bug/issue tracker.
• Managed all the bugs and changes into a production environment using the JIRA tracking tool.
• Integrated Maven scripts into the common deployment.
• Responsible for design and maintenance of the Subversion Repositories and its Access Control Strategies.
• Provided End user training for all Tortoise SVN, JIRA Users to effectively use the tools.
• Integrated ANT, MAVEN and MSBUILD with Hudson CI Tool to automate Java and .NET Builds.
• Used Maven as a build tools on Java Projects for the development of Build Artifacts on the source code.
• Maintained Hudson and designed its Managing requirements.
• Worked on various builds for QA, and Production Environments.
• Automated deployments to Linux, Windows Servers using Shell and PowerShell Scripts.
• Worked as a System Administrator for the Build and Development process on the Enterprise Server.
• Responsible for DEV, SIT, QA and UAT Environments.
• Developed scripts in PERL and Shell Scripting for automation of frequent/ repeated tasks which are susceptible to errors.
• Installed and configured RHEL for Application Servers like WebSphere, WebLogic, Apache Tomcat, Oracle and RAC environments.
• Experience with LVM, NIM, User & System Resource Management, Job Scheduling, Paging and Space Management.
• Installed RedHat and VMware both interactively and also with automated Kickstart.
• Performed automated installation of Operating System using the Kickstart for Linux and Jumpstart for Sun Solaris using Global Positioning Tool.
• Installed and Configured CentOS, OEL, and VMware ESX/ESXi on HP and IBM Hardware for In-house testing and Labs.

Environment: RedHat, RedHat Satellite, Hudson, Subversion, JIRA, Maven Scripts, SVN, WebSphere, WebLogic, Apache Tomcat, Oracle, Axeda, VPN, VMWare, Confidential, BTEQ, FastLoad, MultiLoad, TPump, FastExport, BAR.

Powershell, Artifactory, Kickstart, YUM repo’s.

Confidential

System/Linux Administrator

• Installed, Upgraded, Mirrored and Configured RHEL and Sun Solaris using Kickstart, Jumpstart installation respectively.
• Upgraded RedHat Linux and Ubuntu on HP/ Confidential Servers and Workstation. Added necessary patches using Patchadd Utility and Scripts.
• Kickstart installation through NFS, FTP for complete hands-free installation of workstations, with Custom Profiles, Begin/Finish Scripts, Custom Package Suite/Clusters.
• Created mount point for Server directories as requested by the DBA and Middleware Teams.
• Configured and Administered the NFS, NIS, DNS, Samba and Mail Servers.
• Installed and Configured the YUM repos for both Server/Clients, Setup Yum Server and Yum Client.
• Installed Operating System Patches, Packages, System Customization and Documentation through YUM and also through TPM on RHEL OS.
• Installed and configured Apache Tomcat Server for Windows, Solaris connectivity.
• Wrote installation scripts in python and bash as needed.
• Configuring Distributed file systems and administering NFS Server and NFS Clients and editing Auto-mounting mapping as per System / User requirements.
• Implemented Security policy and Managed Firewalls/IDS. Managed DNS, Send mail. IP space, and co-location facility transition.
• Configured and resolved LAN, WAN and TCP/IP issue and generated reports to show the Resource Utilization, User / CPU / Network Load.
• Wrote and modified Shell Scripts (Perl, C, ksh) and Cron to perform automated administrative tasks.
• Configured AIX system as LDAP for Security Authenticated and Data Management.
• Configured network TCP/IP on AIX including RPC connectivity for NFS.
• Installed and Configured the HTTP, FTP, DHCP, Yum Repo’s, SAMBA/Mail Servers/Services and their Connectivity over Network.
• Performed Routine check on the systems and using admin tools like admintool, smit, linuxconf, vmsat, iostat, TOP, traceroute, ping and sar.
• Provided security with the using SSH, SSL, IPchains, IPtables, and TCPWrappers.

Environment: RedHat, Sun Solaris, Ubuntu, Perl, C, ksh, NFS, NIS, DNS, Samba, Mail, SSH, SSL, IPchains, IPtables, TCPWrappers, Kickstart, Jumpstart LVM, NIM, LDAP, HTTP, FTP, DHCP, Shell.

Confidential

System Support Engineer

• Provided leadership in the planning stages of Installation and Upgrades as well as project coordination (and Implementation) and system support.
• Worked as the Hardware and Software first level technical support within the Confidential Customer Service.
• Extensively worked on environments like Linux (RedHat, Solaris, Ubuntu, CentOS, openSUSE, Fedora, Debian, Mandriva, Mint), Windows.
• Remotely Failed disks restarted the nodes and servers, collated logs and messages for troubleshooting, uploaded Database and OS Snapshots.
• Created Prep works prior to Change control which includes Schedule downtime, Download Patches, Downloaded Minor/Major Upgrades.
• Installation of patches and packages using RPM and YUM in RedHat Linux.
• Installed and configured the Patches and Upgrades and raised tickets and resolved the incidents raised during the upgrades/patches.
• Key facilitator throughout the Change Control Process and engaged resources required during P1 Calls. Having extensive experience in Offshore Client Handling.
• Worked on the MyWork ticketing tool for raising the tickets and resolving them.
• Resolved on average 55+ tickets and answered on average 60+ callas and 15+ P1 (High Priority) Calls weekly.
• Responsible for the change control throughout the entire lifecycle, up to and including its completion/closure. Having extensive experience in Offshore Client Handling.
• Achieved on overall Customer Satisfaction Survey score of 4.5/5.0 as measured by HDI Customer Satisfaction survey.
• Coordinating with 24x7 On-Call Support / Technical/ Debugging.

Environment: Linux, Windows, Yum, Rpm, Ticketing Tool (MyWork).