PROFESSIONALSUMMARY:

• 8+ years of diverse software industry experience in DevOps, Linux System Administration and Build Engineering & Release Management process
• Experience working in a DevOps Environment as a DevOps engineer working on various technologies/applications like Puppet, CHEF, GIT, SVN, NEXUS, Jenkins, Docker, AWS, and ANT.
• Experience in installation, configuration, tuning, security, backup, recovery and upgrades of Linux (Redhat, Centos, Ubuntu, SUSE & AIX).
• Implemented Automation of servers in multiple locations using DevOps configuration management tools.
• Hands - on experience onandAnsibleTower as Configuration management tool, to automate repetitive tasks, quickly deploys critical applications, and proactively manages change.
• Experience in development and configuration experience with software provisioning tools like Chef, Puppet.
• Created various modules and manifests in Puppet.
• Experience of Jenkins/ Hudson, VS Build Pro, Apache Ant, Apache Tomcat, Subversion, Git, Maven.
• Extensively worked on various Version Control Tools (GIT, SVN).
• Created instances in AWS as well as worked on migration to AWS from data Center.
• Have Experience on Syslog and Application Analysis.
• Created Custom Puppet modules for bootstrapping new servers with required application dependencies and packages.
• Created build pipeline for application versions, using Jenkins Continues Integration.
• Configuration Ansible and Puppet modules for OpenStack deployment.
• Excellent in deploying, configuring and managing OpenStack projects like Keystone, Nova, Swift, Cinder, Neutron, Ceilometer.
• Have experience in Web logic Server 10g and 11g, WebLogic Platform.
• Automated application deployment in the cloud using Docker technology using Elastic Container Service scheduler.
• Created and managed a Dockerdeployment pipeline for custom application images in the cloud using Jenkins.
• Maintained and managed nomad and consul key value storage for micro service architecture using Docker for services.
• Worked on Applyingpatches, installed monitoring tools, and upgradedBIOSon HPC Clusters.
• Experience in creating the company's DevOps strategy in a mix environment of Linux (RHEL, CENTOS) servers along with creating and implementing a cloud strategy based on Amazon Web Services.
• Specialized in Configuring Physical Volumes, Volume groups, logical volumes and file systems on Redhat, Centos, Ubuntu, SUSE and AIX Linux.
• Extensive experience in creating and configuring RAID in Redhat-Linux while implementing disk quotas and managing ACLs per user and groups as per company requirement.
• Leverage SuSe Manager, Puppet, Bash script and Python to automate SUSE/RHEL OS deployment, post OS build configuration and patching.
• Wrote bash shell scripts to keep virtual SUSE Linux servers time synchronized.
• Enterprise UNIX/Linux consulting, engineering, and systems administration of Solaris, HP-UX, AIX, and Linux (RedHat, Centos, SUSE) environments ranging from 300 to 5,000+ servers.
• Have Experience on Ruby with chef Automation tools.
• Experience in installing, maintaining, and troubleshooting JBOSS in Linux/Unix, WebLogicA, Nagios and security software’s.
• Experience with CI tools (Jenkins, Build Forge, and Bamboo).
• Expertise in User Management through creating and managing users and groups in RedHat, Centos, Ubuntu, SUSE and AIX Linux.
• Experience developing puppet modules to manage and automate install process.
• Experience maintaining application in AWS.
• Worked on Version control tools like GIT and SVN.
• Working knowledge/exposure in JBOSS, TOMCAT & APACHE.
• Have experience in WebLogic Server 10g and 11g, WebLogic Platform.
• Performed User Administration and Hardware setup and support of Storage and managed paging space.
• Expanded Experience in Network Management like DNS, NIS, NFS, LDAP, Send mail, ftp, SSL, SSH, HTTPS, SFTP, TFTP and system troubleshooting skills.
• Implementation of TCP/IP& related Services-DHCP/DNS/WINS.
• Good knowledge in product deployment in servers, mail servers, monitoring tools & shell scripts, networking, SQL/MySQL.
• Hands on experience (Knowledge) on performance monitoring tools like Vmstat, Iostat, SAR, Nmon, and Topas.
• Extensive knowledge in job scheduling tools like Nagios.
• Drove initial sales and increased adoption and usage ofAzure cloud services viapresentations, demos, education, proofs-of-concept and pilot projects.
• Organized and managed everyday administration tasks like adding and removing users, files, share permissions, trust management, replication management, server backups and server setups on LINUX.
• Knowledge in Linux command line &bash shell scripting.
• Providing 24X7 On-call Production and Customer Support.

TECHNICAL SKILLS:

Operation Systems: Red Hat Enterprise Linux (3.x, 4.x, 5.x & 6.x), Centos (3.x, 4.x, 5.x, & 6.x) Ubuntu (6.x, 7.x, 8.x, 9.x, &10.x), SUSE Linux (9.x, 10.x, & 11.x) and AIX (V5.3, 6.1)

Hardware: IBM Blade Server HS22, Dell Power Edge Series, HP BL460, C7000. ILO, SunFire T2000

Application Server’s: Web Server Apache, WebLogic, Litespeed, DNS, NIS, NFS, MS Terminal Server, Windows 2003/2008 Active Directory, Jboss, Microsoft IIS Server4/5, Symantec Ghost, mail server, MTA, MDA, (POP, IMAP), Mongrel, Thin, Tomcat, IIS, Jboss, NTP, Send mail, Postfix, Secure LDAP, Auto mount, Windows DC, SAMBA as Domain Controller with LDAP

Databases/ scripting: MySQL, MS SQL Server, Oracle 7, 8, 9, 10 & 11g, bash Shell scripting, Ksh Scripting, Perl. Scripting, HTML, MS Access, MySQL Replication, MySQL High Availability with DRBD, MySQL Disaster Recovery and MySQL

Clustered Storage: TCP/IP, NFS, FTP, DNS, NAT, ifconfig, router, netstat, EMC, FC SAN, NAS, EMC

Backup/ Monitoring: Windows, Nagios Monitoring System, UC4, Mail Servers: SMTP, POP, IMAP, Exim

Languages and Tools: PL/SQL, UNIX Shell Scripting, Jboss, WebLogic, OSB, Data power, C, Java, J2EE. Jira, GIT, SVN, Remedy, Veritas Volume manager.

DevOps: Puppet, Chef, GIT, SVN, Jenkins, Open stack

PROFESSIONAL EXPERIENCE:

Confidential, Wilmington, DE

DevOpsEngineer

Responsibilities:

• Installation/Maintenance of Hardware/Software in Production, Development & Test Environment as an integral part of the Unix/Linux (RHEL/SUSE/CentOS /AIX) Support team.
• Worked on Administration of the network servers DNS, NIS, NFS, and SENDMAIL.
• Installed and configured Linux Server using Kickstart.
• Managed Thousands of servers in different locations using Puppet configuration management tool.
• Continuous Delivery is being enabled through Deployment into several environments of Test, QA, Stress and Production using Nexus and Jenkins.
• Worked on version control tools like GIT and SVN and integrated build process with Jenkins.
• Have Experience on Ruby with Chef Automation tools.
• Worked with VMWare tools like vCenter & vSphere to manage VM's running on ESX cluster nodes and also experience working vMotion.
• Worked on Utilization of Cloud formation and Puppet by creating DevOps processes for consistent and reliable deployment methodology.
• Have experience in Web logic Server 10g and 11g, WebLogic Platform.
• login to the environment using Puppet modules for VPN
• Designed and Implemented Continuous Delivery on a Cloud Infrastructure (AWS)
• Built and managed a highly available monitoring infrastructure to monitor different application servers and its components using Nagios, with Puppet automation.
• Built and deployed graphing tools with RRD tool for graphing different metrics from servers using puppet modules.
• Worked on version control tools like GIT and SVN and integrated build process with Jenkins.
• Deployed OpenStack on integrated private cloud.
• Expertise in integrating KVM with OpenStack and deploying VM on top of it.
• Working with GIT to store the code and integrated it toAnsibleTower to deploy the playbooks.
• Worked on Deployment and monitoring of scalable infrastructure on Amazon web services (AWS) & configuration management usingpuppet.
• Worked on Development of puppet modules to manage configurations and automate install process.
• Designed Puppet Modules to manage configurations and automate installation process.
• Used Puppet extensively to configure servers with Users, Keys and security configurations.
• Wrote Puppet manifests for deployment and configurations. Deployed Puppet DB.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins.
• Leverage SuSe Manager, Puppet, Bash script and Python to automate SUSE/RHEL OS deployment, post OS build configuration and patching.
• Wrote bash shell scripts to keep virtual SUSE Linux servers time synchronized.
• Enterprise UNIX/Linux consulting, engineering, and systems administration of Solaris, HP-UX, AIX, and Linux (Red Hat, Centos, SUSE) environments ranging from 300 to 5,000+ servers.
• Have Experience on Azure cloud.
• Design and Implement NetApp Private storage solution on Azure using ExpressRoute.
• I was responsible for the development of the trouble shooting guide for the Azure Express Route security enhancement with zone based firewalls documentation. Network optimization and standardization.
• Managed NAS storage for user’s home directory using Puppet to deploy NAS server configurations.
• Built a completely automated and secure deployment of two factor authentication Open VPN for customer's and administrator's to
• Work with development/testing, deployment, systems/infrastructure and project teams to ensure continuous operation of build and test systems.
• Have Experience on Talend tools.
• Monitored the performance of the system using PS, PRSTAT, VMSTAT, MPSTAT, PERFMETER and IOSTAT to check the CPU utilization, bottlenecks of I/O devices, Memory usage and Network traffic.
• Supporting servers with Oracle 10g& 11g and MySQL Databases, coordinating with DBA’s for Kernel Tuning and performance monitoring.
• Created documentation and worked on 24X7 Support

Environment:Linux (RHEL 5.x& 6.x), SUSE 11/10, CentOS (5.x, 6.x), AIX 6.1, Oracle 11/10g,LDAP,Puppet, AWS EC2, Nexus, Jenkins, GIT, SVNSamba, Perl, Shell Scripting, Bash, VERITAS Volume Manager (VVM), EMC Storage SAN, VERITAS Cluster Server (VCS), AZURE.

Confidential, Portland, OR

Build Release/DevOps Engineer

Responsibilities:

• Installation, Configuration and upgrade of Redhat Linux 4/5/6, CentOS 4/5, SUSE 10/11, Ubuntu (8.04, 9.04 & 10.04), AIX (V5.3, 6.1)Operating System.
• Installation of Packages and Patches for AIX (5/6), Redhat Linux 4/5/6, Centos 4/5, and SUSE 10/11.
• Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.
• Setup ChefServer, workstation, client and wrote scripts to deploy applications.
• Used cookbooks, recipes, roles, Databags, runlist to deploy web applications, applications servers and vendor applications.
• DevelopedAnsibleplaybooks to configure, deploy and maintain software components of the existing/new infrastructure.
• Used Test Kitchen to test the scripts and used Ohai tocollect attributes on node.
• Maintained Chef Servers and management application that can use Service Now (CI) data to bring computers into a desired state by managing files, services, or packages installed on physical or virtual machines.
• Have Experience on Syslog and Application log analysis.
• Worked on installation and configuration of DevOps tool, Puppet.
• Managed a private GIT version controlling server for developer teams to commit code to using Puppet configuration management tool.
• Implemented auto scaling for front end application clusters in AWS Cloud.
• Built a deployment pipeline for deploying tagged versions of applications to AWS beanstalk using Jenkins CI.
• Experience with setting up Linux servers for Oracle Real Application Clusters and configuring SAN based mount points.
• Expertise in Performance Monitoring and Performance Tuning using Top, PRSTAT, SAR, VMSTAT, PS, IOSTAT.
• Expertise in creating and managing Logical Volume Manager in Red hat, CentOS and SUSE Linux.
• Have Experience on Azure cloud.
• Drove initial sales and increased adoption and usage of Azure cloud services via presentations, demos, education, proofs-of-concept and pilot projects.
• Experience in installing and configuring Network Services: TELNET, FTP, DHCP, SSH, SAMBA, HTTP, TFTP.
• Configuring NFS, NIS, NIS+, DNS, Auto Mount& Disk Space Management on SUN Servers.
• Have experience in Web logic Server 10g and 11g, WebLogic Platform.
• Experience with VMware Virtualization using ESX hypervisor of VSphere 4.0.
• Installation, Configuration and Maintenance of Samba, Apache Tomcat, Web Sphere and Jboss servers in AIX and Linux environment.
• Experience in Active directory configurations and support.
• Server Consolidation and Migration of Applications on Oracle Enterprise and Java Applications.
• Experience in building Production Servers and validation for new build releases.
• Setup and configure Veritas NetBackup 5.x, 6.x and 6.5x Net Backup server / client & tape libraries.
• Performed automated installations of Operating systems using, Kick Start installation.

Environment: Redhat (4.x, 5.x, 6.x), CentOS (4.x, 5.x), SUSE Linux (10.x, 11.x), Ubuntu (8.04, 9.04, 10.04), and AIX (V5.3, 6.1), Puppet, AWS, GIT, SVN, Jenkins, NetBackup (5.x, 6.x), VERITAS Volume Manager 4.x/5.0, SAN EMC Clariion CX 700/ CX 600/ CX 500.

Confidential, Carlsbad, CA

System Administrator

Responsibilities:

• Worked on Redhat Enterprise Linux 3/4/5, SUSE Linux 9/10/11, and Ubuntu (8.04 & 9.04). Centos 7.
• Worked on Applyingpatches, installed monitoring tools, and upgradedBIOSon HPC Clusters.
• Installation and configuration of Linux servers using kick start& support for various applications, which runs on Linux environment followed by performance tuning, patching and maintenance.
• Designing, Implementation, Configuring, & Managing Puppet server.
• Working knowledge on Apache, Tomcat and Jboss.
• Launching and configuring of Amazon EC2 (AWS) Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications.
• Supporting 300+ Linux servers in production/stage/development environment.
• Creating VMware Lab setup as per Internal QA team’s requirement using VMware ESXI servers.
• Worked on VMware Virtual Center Server for centralizing ESX and ESXi servers.
• Support and troubleshooting of LinuxApache, MySQL. Have knowledge on MySQL, Oracle Database Administration.
• Provided Support of multi flavor UNIX & Linuxenvironmentwith various responsibilities.
• Setup and configured network TCP/IPat all levelsonLinuxservers
• Implemented Domain Name Server by Using Primary and Secondary DNS Servers.
• ConfiguredRedHat Enterprise Linux Server as a Data Storage Server.
• Installed and Configured DNS, DHCP, NFS, NIS, http, tftp and other network services.
• Worked with object oriented software development methodologies and practices across all phases of the Software Development Lifecycle.
• Worked on Unix/Linux user's creation, file/dir. level permissions, sudo permissions
• Worked on Updating/patching Linux Servers with latest rpm packages.
• Involved in the installation, monitoring and support of Unix based servers, firewalls, Cisco networks, perimeter security technologies, Internet technologies and remote office WAN/ LAN connectivity.
• Extensively Worked on Apache webservers and Nagios.
• Worked on daily basis for Linux server maintenance and support to developer's team for their issueswith application, tuning, troubleshooting, and software running.
• 24x7 support for the LINUX servers.

Environment: Redhat Linux (3.x, 4.x, 5.x), SUSE (9.x, 10.x, 11.x), Ubuntu (8.04, 9.04), Puppet, Apache, Tomcat, Jboss, VMware, XEN, KVM, ESX, My SQL, Apache High Availability, CISCO Devices, Subversion, Nagios, WAN, LAN, TCP/IP.

Confidential

Unix System Administrator

Responsibilities:

• Installed, configured, troubleshoot, secured and supportedRedHat 4/5, CentOS 3/4/5 and SUSE Linux9/10servers and also product servers.
• Worked on installation and configuration of WebLogic.
• Installed SOA suite and configurations as well as supported AWS set ups
• Worked on troubleshooting application servers Tomcat and Jboss.
• Worked on Installation and configuration of FTP, TFTP, HTTP, SAMBA, DNS.
• Deployment of application patches and upgrades; perform reboots & configuration changes.
• Wrote scripts on shell, bash and Korn.
• Worked on IMAP, POP, SSH Configuration and Hardening.
• Server Security Auditing, Vulnerability Assessment and correction.
• Worked on setting up accounts, remote backups, DNS clusters, Failover solutions.
• Administered user accounts, performed user maintenance on different Linux environment. Monitored security issues, administered system mail and Internet access. Configured network file systems.
• Worked on configuring and troubleshooting VPN Technologies (OpenVPN, Poptop).
• Monitored and Managed Network Devices using Cacti, PRTG.
• Security Protection (Intrusion Detection with Snort, tripwire and ipfw/iptables ).
• Linux Kernel Security, regular maintenance, recompiles and OS reinstalls.
• Worked on Core System Files Hardening and Optimization (sysctl.conf, resolv.conf)
• Monitored servers and responded to event notifications. (Service outages, High Load Alerts.) experience with Nagios.
• Working knowledge of Database Technologies (MySQL, PGSQL), performance Optimization and Hardening.

Environment: Redhat Linux (4.x, 5.x), Centos (3.x, 4.x, 5.x), SUSE (9.x, 10.x), Oracle 10g& 11g, SOA, Nagios, Tomcat, Jboss,DNS, IMAP, POP, SSH, SQL, PL/SQL, shell scripts, Putty, Storage, Cpanel, WHM, VPN, Cacti, PRTG, RDNS