SUMMARY

• Over Seven (7) years of IT experience as a system administrator/Engineer for various platforms: RHEL 3.x/4.x/5.x/6.x, 7.0 AIX 5.2/5.3/6.1/7.1, SOLARIS 9/10/11 and WindowsOperating Systems.
• Administration of various environments in software development life cycle Windows, Ubuntu, Red Hat Linux, SUSE Linux, Centos and Solaris servers.
• Experience working in Data Center’s managing Servers, SAN and NAS devices like Cisco, Brocade, EMC and HDS devices.
• Worked in various DevOps tools like Jenkins, Puppet, SVN, GIT, and Ansible.
• Involved in installation of Puppet client on Red hat & Solaris servers for automation.
• Worked on Amazon AWS EC2 cloud services for installing, configuring and troubleshooting on various Amazon images like Amazon Linux AMI, Red Hat 4.x, 5.x, Ubuntu 12.x, 13.x.
• Experienced in managing servers on the Amazon Web Services (AWS) platform instances using Puppet, chef configuration management.
• Experience in automation using Puppet and involved in developing Manifest and Modules for System and Application configuration Management.
• Implemented a Continuous Delivery framework using Jenkins, Puppet in linux environment.
• Managed GIT repository, code merging, and production deployments
• Experience in version control using SVN, GIT and GITHUB
• Worked on continuous integration management using Jenkins.
• Extensively worked with system and network monitoring tool Nagios.
• Experience in installation as well as configuration of various Unix/Linux platforms: DHCP, DNS, NFS, FTP, SSH, Sendmail, Apache, Samba, RPM package management.
• Experience in Kickstart, Jumpstart and NIM installation method for RHEL and IBM - AIX.
• Extensive experience working on web application and webservers like Java J2EE, Weblogic, Websphere, Tomcat and Apache.
• Extensive experience working on virtualization technologies like VMware ESX, VMware ESXi.
• Good understanding of the principles and best practices of Software Configuration Management (SCM) in Agile, Scrum, and Waterfall methodologies.
• Experience in LAMP (Linux, Apache, MySQL, and PHP) for various applications.
• Expertise with various scripting languages like Shell Script, KORN and BASH, python and Ruby.
• Knowledge of databases like MySQL, Oracle 10g/11g, MSSQL, MongoDB, DynamoDB.
• Extensive experience of working with the release and deployment of large-scale .Net, Java/J2EE Web applications.
• Worked closely with developers, managers, and team members to coordinated job tasks and strong commitment to work.
• Team player with excellent interpersonal skills, and understanding the demands of 24/7 system maintenance and prompt response.

TECHNICAL SKILLS

Operating Systems: Red Hat 4.x/5.x/6.x, SuSE 9/10/11, HP-UX 10.30/11.23/11.31 IBM AIX 5.x/6.x, VMware ESX 2.x/3.x, Ubuntu, Fedora

Hardware: IBM RS/6000, System p 520/550/570/630/650/, S80, H80, IBM ESS, DS8000, IBM 3590 HP D380/K580/rx6600/rx7600

Programming: Visual Basic, JavaScript, HTML, Ruby, Ruby on rails, Python, Bash ShellWeb/Application ServersIBM WebSphere 5.x/6.x, Oracle WebLogic, Apache HTTP ServerApache Tomcat 4.x/5.x/6.x, Red Hat JBoss,Was 6.0,7.0

Applications: Nmon, HPSA, puppet, chef, VMware, Veritas NetBackup, Jenkins, Docker, SVN, NagiosStorageEMC Symmetrix/CLARiiON, Sun StorageTek, Hitachi Arrays, SAN, NAS, Veritas Volume Manager

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Routing, Switching, WAN, SMTP, LAN, FTP, Samba, Sendmail, SNMP

RDBMS: IBM DB2, Oracle 8i/9i/10g/11g, My SQL

Cluster: VERITAS (VCS), Red Hat Cluster suite, Platform LSF HPCVirtual Servers VMware ESX 3.5.0 Server, VIO, VMware Infrastructure VI3, VMotion

PROFESSIONAL EXPERIENCE

Confidential, Woonsocket, RI

System Engineer/DevOps

Responsibilities:

• Administered networks in Linux (Redhat 5/6) Servers and also maintained UNIX/Linux System running different Database and Middleware Applications.
• Allocated Storage, Volume Management and File system Management using LVM, VERITAS Volume Manager and VERITAS File system.
• Designed two new VMware ESX Servers 4.x, ESXi 5.x on HP HW running Red Hat Enterprise Linux & Created different virtual machine like Windows 2003 & 2008 Server, SuSE enterprise Linux using VMware Virtual Infrastructure Client tool.
• Provided Clustering solutions for High Availability using tools such as VERITAS Cluster Server (VCS), MSCS, and RHCS.
• Administered virtual server environment using VMWARE ESX, VCenter VSphere.
• Worked on Installation and configuration of DevOps tool Puppet.
• Installed and configured Puppet for the automation of various applications.
• Created Manifests and Modules for various client requirement.
• Implemented Puppet architecture and developed modules primarily to manage JBoss instances.
• Worked on the project for migration from physical to AWS.
• Designed cloud solution for migration of large-scale web platform to cloud using Amazon Web Server.
• Supported Linux based infrastructure in AWS cloud and created instances and managed Application in AWS cloud.
• Performed patching of Linux, and HPUX servers on regular given schedule.
• Extensive knowledge in working on RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on HPUX 11.31 and Redhat Linux.
• Configured migration for UNIX/Linux server and SAN storage between data centers and also application migration and testing which included SAN/Application migration and testing various functionalities of key applications.
• Configured the connectivity, set up JBOSS cluster, set up oracle RAC cluster, configured load-balancing on apache, on Redhat Linux 5.6 and Set up NIS/NFS on RedHat servers.
• Set up JBoss cluster and configured apache with JBoss on RetHat Linux. Proxy serving with Apache.
• Installed and configured NFS, NIS and FTP Servers. Maintained LVM, VxVM and SVM file systems
• Extensively used Bash, Perl, Python, Shell, Ruby scripting for job automation.
• Worked on TCP/IP networking in Solaris and Linux Systems.
• Installed, integrated, tuned, and troubleshoot Apache, Tomcat, Java and IBM Webshpere7.0 and Oracle Web logic 10.3 application servers.
• Created Technical documents and worked on offshore-onshore support structure.

ENVIRONMENT: Redhat RHEL (5.x,6.4,6.5) Logical Volume Manager, Amazon Web Server (AWS),VMware ESX Server 4.x/5.x, VERITAS Cluster Server (VCS), Tomcat/Apache, MSCS, RHCS, Sun Enterprise Servers, HP and IBM Blade Servers (C6000 & C7000)

Confidential, San Francisco, CA

System Engineer/DevOps

Responsibilities:

• Administration of RHEL 5.10/6.2,6.4 and Solaris 9, 10 including installation, testing, tuning, upgrading, troubleshooting server issues and loading patches.
• Automated installation of Linux servers using Kickstart and Installation of Solaris using Flash, live upgrades and Jumpstart Servers
• Managed servers on the Amazon Web Services (AWS) platform instances.
• Installed the application on AWS EC2 instances and also configured the storage on S3 buckets.
• Performed S3 buckets creation, policies and also on the IAM role based polices.
• Involved in Application Deployments & Environment configuration using Puppet, Ansible
• Worked on deploying Puppet and Puppet dashboard
• Used Puppet for server configuration across distributed Virtual Server Environment, performance enhancement and tuning for Tomcat, Apache, JBoss servers on RHEL 6 virtual instances.
• Configured AWS cloud servers using AMI
• Installed and maintained Puppet-based configuration management system, implemented Puppet modules to automate configuration of a broad range of services.
• Worked on Installing, configuring and administering Jenkins Continuous Integration tool on Linux machines along with adding/updating plugins such as SVN, GIT, Maven, ANT, and Puppet.
• Worked with Branching, Tagging, Release Activities on Version Control Tools: SVN, GIT.
• Worked with Puppet Enterprise and Puppet Open Source.
• Installed, configured, upgraded and managed Puppet Master, Agents & Databases. Integration of Puppet with Apache.
• Created and Managed file systems and Logical volumes in Linux and VERITAS Volume manager in Solaris & Linux & IBM AIX.
• Installed patches and packages using RPM and YUM in Red hat Linux and Suse Linux.
• Worked on VMware ESX Server 3.5.
• Worked on Creating, cloning Linux virtual machines using VMware Virtual Client and migrating servers across ESX hosts.
• Modified Kernel parameters to improve the server performance in both Solaris and Linux.
• Monitored and provided Statistics on Hard Disk Usage.
• Worked on configuration of Clusters using VERITAS Cluster Services in Solaris and Linux.
• Used Net Backup on Solaris and Linux for system backup and restoration.
• Installed and configured DHCP, DNS, Apache, IIS SMTP, IMAP, POP3 and file servers on AIX and RHEL servers.
• Installed, configured and maintained Apache/Tomcat Web Server, JBOSS.

Environment: Environment: RHEL 5/6, Solaris 9/10, MS SQL Server 2005,200812008R2 Windows Server 2008R2, Puppet, Ansible, Jenkins, AWS, NetBackup, DNS, DHCP, Veritas cluster, Tomcat, Apache, Websphere 7.0, Oracle 10, VMware ESX.

Confidential, Phoenix, AZ

System Engineer

Responsibilities:

• Installation and administration of RHEL 5.0/6.0 and SUSE 10.x.
• Configured kickstart server and updating/applying patches to the servers using Red Hat satellite server.
• Remote system administration using tools like SSH.
• Planning and implementing system upgrades including hardware, operating system and periodical patch, upgrades.
• Automation of day-to-day deployment task and build scripts using Chef.
• Construction of chef recipes for automated deployment of configuration files across Linux environment.
• Installation of packages, patch management, volume management on Suse servers using YaST.
• Worked in cloud infrastructure services mostly on AWS
• Applied appropriate support packages/patches to maintain system integrity.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Responsible for maintenance of development tools and utilities and to maintain Shell, Perl, Python automation scripts.
• Expertise in VMware vSphere 3/4/5 version ESXi and vCenter operations management.
• Worked with project manager and auditing teams to implement PCI compliance.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in WebLogic application servers.
• Installed, configured, cloned VMs on VMware 5, VSphere 4.0, configured ESX hosts, adding datastores to ESX hosts.
• Designing firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Fine tuning of servers and configuring networks for optimum performance.
• Setup user and group login ID’s printing parameters, network configuration, password, resolving permissions issues, users and group quota.
• As a member of the team, monitored the VERITAS Cluster Server 4.1 in SAN environment.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.

Environment: UN Servers (6500, 4500, 420, Ultra 2 Servers), Solaris, Red Hat 5.X, 6.X, VERITAS NetBackup, VERITAS Volume Manager, Samba, NFS, NIS, LVM, Linux, Shell Programming.

Confidential

System Administrator/Engineer

Responsibilities:

• System Installation and configuration (RHEL, Solaris, Windows Servers)
• Monitoring, analyzing, and responding to security events utilizing security event management and reporting tools.
• Account, user &group administration, Permissions policy management and quota implementation.
• Systemperformance monitoring, tuning andlog management
• TCP/IP Networking, Troubleshooting and Linux Network Administration
• Worked closely with network/incident analysts and IC analysts to monitor current attack and threat information to identify.
• Installation, Configuration, support and security implementation on various services like DHCP, SSH, NFS, SAMBA, DNS, HTTPD, SEND MAIL.
• Implemented and configured brand new VMware virtual infrastructure cluster running on servers and on storage array.
• Coordinated with application team in installation, configuration and troubleshoot issues with JBoss servers.
• Installation and configuration of database systems e.g. MySQL, Oracle.
• Involved in creating virtual machine using Oracle Virtual Manager, Creating server pool, VM Cloning.
• System monitoring and remote connection management usingtelnetandSSHconnections.
• Experience in setup Storage area Network (SAN) and NAS and file systembackup and restore.
• 24x7 on-call rotation for support of production systems.

ENVIRONMENT: Sun Solaris, Red Hat Linux (RHEL 4), Oracle, TCP/IP, DNS, DHCP, NFS, SAMBA, Apache, POSTFIX, POP3, SMTP, MySQL, Oracle, VMware