SUMMARY

• Total of over 8 of experience specialized in System Administration working on Red Hat Linux, Solaris, SuSe Linux, AIX, CentOS, Fedora, OEL, Windows environments, and VMwarevSphere with around 3 years of experience working on a DevOps environment as a DevOps Engineer
• Experience in Installing, upgrading and configuring Red Hat Linux 5.x, 6.x and 7.x, Suse Linux, Cent OS, AIX and Solaris servers.
• Installation and up gradation of Packages and Patches configuration management, version control, service pack. &Reviewing connectivity issue regarding security problem.
• Managed all aspects of the software configuration management process including code compilation, packaging/deployment/release methodology, and application configurations used configuration management tools Chef, Puppet.
• Experience in implementing Splunk, Puppet, Chef and DevOps monitoring tools in huge infrastructure environment.
• WebSphere admin /Build and Release on Linux.
• Experience in DataMigration, Upgrading, Backup, Disaster Recovery and Performance monitoring of systems running various Linux platforms.
• Experienced in the Installation, Configuration and Administration of Web Sphere & ApplicationServers like Apache, Tomcat, Active MQ, WebLogic, WebSphere and JBoss Fuse.
• Production experience in large environments using configuration management tools Chef, Puppet.
• Worked on GIT, Jenkins, perforce for code repository and continuous integration tool.
• Good working knowledge of AWS Data Pipeline to move data between instances stored in AWS EC2 instances and computer instances.
• Experience with build tools like Hudson/Jenkins, Sonar, Maven, ANT
• Experience in working on source controller tools like Subversion (SVN), CVS, IBM ClearCase, Perforce, and GIT.
• Extensive experience in using Build Automation scripting like, Apache ANT, Maven 3
• Performed integration of Code Quality Analysis Techniques like Sonarand PMD with CI tools like Hudson/Jenkins.
• Experience in configuration ofNIS, NIS+, DNS, DHCP, NFS, LDAP, SAMBA, SQUID, postfix, send mail, FTP, remote access, security management and Security trouble shooting skills.
• Experience with VMware Virtualization using ESX hypervisor of VSphere.
• Installation and configuration of HA environment using Linux cluster and Veritas Cluster.
• Experienced in implementing and maintaining an Apache Tomcat /MySQL/PHP, LDAP, LAMP web service environment.
• Experience with Veritas Volume Manager (VxVM), Veritas File System (VxFS), Veritas Net Backup, Veritas Clustering.
• Experience in Server monitoring, capacity planning, application monitoring with the help of Nagios and Cacti
• Experienced on Red Hat Satellite Server with custom repositories to provide a stable management solution for the Linux environment.
• Implemented active directory using LDAP services and used in conjunction with PAM (pluggable Authentication Module).
• Expertise in scripting using Shell, PHP, Python, Ruby & Perl scripts.
• Experience supporting 24x7 production computing environments. Experience providing on - call and weekend support.
• Familiar and experienced with Agile Scrum development.

TECHNICAL SKILLS

Operating System: Linux (RHEL 3,4,5.6,7),Unix, Cent OS(5,6,7), Red Hat, SuSe, Solaris(10,9,8), Windows 10 and XP

Hardware: IBM P560, P550, P650, HP Proliant DL 360, 380, SunFire E25K, E4800 StorageTek L700e, Dell 6800, 6850,IBM/HP/DELL Bladeserver.

High Availability: Veritas Cluster Server, Sun Cluster, HP service Guard.

Third party software: Veritas Volume Manager, LVM, LDAP, SSH

Programming Languages: Python, Ruby, Unix shell Scripting, Perl Scripting, HTML

Web Technologies: Apache, Tomcat, Web Logic, Web Sphere

Application servers: Web Logic, JBoss Fuse, WebSphere, Tomcat, Active MQ.

Tools: Splunk, Ground Work, Solar Winds, Moog, DevOps, VMware VSphere, ESX/ESXi, VCenter Server, Puppet.

Protocols: NetBIOS, SMTP, SNMP, ICMP, TCP/IP, FTP, TELNET, UDP & RIP, DNS, WINS, DHCP.

Build and CD tools: Puppet, Jenkins, GIT, Perforce,Maven

PROFESSIONAL EXPERIENCE

Confidential, Atlanta,GA

Systems Operations/ DevOps Engineer

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting ofRHEL 6.x/7.x on existing servers.
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• Performed the automation using Puppet Configuration management.
• Worked on Deployment and configuration of Puppet, Puppet Dashboard, and PuppetDB in order to increase the efficiency of configuration management.
• Deployed new manifests and modules to numerous puppet clients for System and Application configuration Management
• Designed and implemented scalable, secure cloud architecture based on Amazon Web Services. Leveraged AWS cloud services such as EC2; auto-scaling; and VPC (Virtual Private Cloud) to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts, and are able to quickly evolve during development iterations. Implemented multiple high-performance Mongo DB replica sets on EC2 with robust reliability.
• Worked With Web Security to integrate with Amazon Auto Scaling, Cloud Watch, and Elastic Load Balancing to automatically increase the number of instances.
• Created multiple instances EC2 on AWS (Amazon Web Services) and configured them for QA environment.
• Worked on installation and administration of CI tools like Hudson, Jenkins.
• Worked with Jenkinscontinuous integration tool and Github repository hosting services.
• Hands on experience in setup, installation and administration of IBM Web SphereApplication Server.
• Used Apache ant as a Build Automation scripting.
• Configuring and managing the SSH, SSL, NFS, FTP, SAMBA, SMTP and DHCP Servers on Linux.
• Implemented a Continuous Delivery framework using Jenkins in Linux environment.
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server.
• Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts.
• Applied patches and packages on Linux servers using rpm Redhat Package Manager and yum tools
• Installed and configured Apache, MySQL and PHP products on the Linux servers& supported LAMP stack
• Installation and configuration of Redhat and Veritas Volume Manager, File System.
• Providing day-to-day user support like adding/deleting users and managing users queries. Shell programming for routine administration tasks. Analyzing & monitoring system performance through various system tools such as netstat, Iostat
• Creation and scheduling of Cron Jobs such as for Backup, System Monitoring and removal of unnecessary files
• Worked in agile environment and experienced with Agile Scrum development.
• Engaging and working with different vendors to determine problem resolution and root cause of hardware problems

Environment: RHEL 5.x, 6.x, Red Hat Linux 6.x and 7.x, HP & Dell Servers, Kernel,VMware ESX 4.x, VMware VSphere, ESX, BMC Blade Logic, Puppet, Shell Scripting, Subversion, Perforce, Jira, Jenkins, Service Now, Ground Work, Solar winds, Mule ESB.

Confidential, Pleasant Grove, Utah

System Engineer/DevOps Consultant

Responsibilities:

• Worked on variety of Linux/Unix platforms Red Hat Linux, Solaristhat includes installation, configuring and maintenance of applications on this environment.
• Implemented automated scripts using Bash, Perl, Python scripts as when required at various levels.
• Implemented automations tool Puppet, DevOps monitoring tools in cluster node environment.
• Worked exclusively on VMware virtual environment using ESXi 5.x versions.
• Experience in using VMware vMotion to move VM’s from One Datacenter to another datacenter.
• Updating patches to keep servers updated against bugs present in the operating system using Red Hat Satellite Server, yum, etc.
• Worked on continuous delivery pipelines by using Jenkins as a scheduler/orchestrator and developed template based pipelines with embedded logic to work with any project.
• Maintained and administered GIT source code tool also designed branching strategy for GIT.
• Created and updated Puppet manifests and modules, files, and packages stored in the GIT repository.
• Created multiple instances EC2 on AWS (Amazon Web Services) and configured them for QA environment.
• Worked on building data center with AWS. Installed SVN, GIT, and Hudson/Jenkins images on AWS.Build servers using Kick Start, Red Hat Satellite Server, and VSphere Client.
• Used Jenkins for enterprise scale infrastructure configuration and application deployments.
• Automated builds and deployments using ANT/ NANT scripts and Perl/shell scripts.
• Installed, configured and provided support for Tivoli Monitoring software across various OS platforms like RHEL, AIX and Solaris.
• Implemented continuous integration and build tools using Ant, Jenkins, chef, Puppet full automation
• Integrated GIT into Jenkins to automate the code checkout process.
• Installed packages using YUM and Red hat Package Manager (RPM) on various servers.
• Performed the daily system administration tasks like managing system resources and end-users support operations and security.
• Used Logical Volume Manager for the management of Volumes including creation of physical and logical volumes on Linux/Unix.
• Used Sun Volume Manager for Solaris and LVM on Linux to create volumes with layouts like RAID 1, 5, 10, 51.
• Implemented the monitoring tools like Nagios 3.0 to monitor services like CPU, Hard Drive, Memory, Users, HTTP, and SSH etc.
• Worked on F5 load balancers to load balance and reverse proxy WebLogic Servers.
• Shell scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Environment: Red Hat Enterprise Linux 4.x/5.x/6.1, AIX 6.x, Solaris 8/9/10, DevOps, Tivoli Storage Manager, VMware ESX3, Tivoli Net backup, and Web sphere, Windows 2012 servers, Windows 2008, IIS 7.0 & 7.5.

Confidential, Durham, NC

System Admin/Engineer

Responsibilities:

• Worked Primarily on RHEL 4/5, HPUX, and Solaris Operating Systems.
• Involved in migration activities using Red HatLVM, Solaris LVM, Veritas and EMC Open Migrator.
• Writing Shell and Perl Scripting for automation of job.
• Installation and configuration of Automation tool Puppet.
• Used Puppet to automate the client environment.
• Tuning the kernel parameters based on the application/database requirement
• Implemented automations tools using chef cookbook instances.
• Used Veritas File system (VxFS) and Veritas Volume Manager (VxVM) to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.
• File system tuning, growing, and shrinking with Veritas File system 3.5/4.x.
• Troubleshooting hardware, software and configuration problems for various protocols and topologies.
• Setup optimal RAID levels (fault tolerance) for protected data storage in NAS environments.
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP IMAP and POP3), and file servers.
• Expertise in troubleshooting the systems and managing LDAP, DNS, DHCP and NIS.
• Worked with different Active directory databases like Microsoft AD, Tivoli Directory server with LDAP.
• Performed patching, backups on multiple environments of Solaris, Linux and VMware.
• Designing System Requirements, Designing Storage requirements, Configuration Management/Change control/Release management.
• Experience working on virtualization using VMWAARE ESX 4.x, 5.x.
• Installed and Configured SSH&SSL for secured access on HP and Solaris Systems..
• Installing, configuring various software applications and packages like Apache, Web Logic & Oracle etc.
• Experience working with NIS and DNS naming services and administering the public DNS
• Troubleshooting and analysis of hardware and software failures for various Solaris servers
• Setting up cron jobs for the user to deploy scripts on production servers.

Environment: Red Hat Linux (RHEL 3/4/5), Solaris, Logical Volume Manager, Sun & Veritas Cluster Server, Global File System, Red Hat Cluster Servers, Apache, Tomcat, Mule ESB.

Confidential, Indianapolis

Linux/Solaris system administrator

Responsibilities:

• Installation, configuration and administration of Linux (Red Hat, Centos), Sun Solaris servers.
• Maintaining and Troubleshooting of FTP Server, Samba Server of the client
• Handling the day-to-day Operations, Install software, apply patches, manage file systems, monitoring performance and troubleshoot alerts.
• Maintain 99.98% uptime of LINUX production servers and follow proper escalation.
• Responsible to solve technical Problems related System administration (Linux of Our Clients).
• Managing Red Hat Cluster, HPC environment etc.
• Building & configuring Red Hat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.
• Handling LVM related tasks, Creating, resizing LVM, Veritas Volume manager and also managing Cluster environment using Veritas Cluster suite.
• Handling the day-to-day Operations, Troubleshooting & Solve Server Problems in LINUX.
• Implemented automations tools like Jenkins and deployed monitoring tools like Nagios
• Installing and configuring Red Hat Linux locally or over network-kick start- (nfs, ftp, http).
• Set up and configuring of Linux (red hat) and Solaris servers/workstations for clients
• Storage Provisioning, Volume and File system Management using LVM/Veritas on Linux/Sun Solaris OS in a SAN environment
• Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers.

Environment: Redhat, CentOS, Solaris, DNS, NFS, FTP, Kickstart, Patches, LVM, Network, F5 Load balancer, Clusters, MySQL. Apache, Tomcat.

Confidential

Linux/UNIX Administrator

Responsibilities:

• Installation of patches and packages using RPM and YUM in Red hat Linux.
• Created and modified application related objects, created Profiles, users, roles and maintained system security.
• Installed operating system on multiple machines using Kickstart.
• Responsible for setting up cron jobs scripts on production servers.
• Installed and configured SAMBA server for Windows and Linux connectivity.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Used nfs and ftp services for transferring files to various machines.
• Restarting the services on machines at very low response rate.
• Troubleshooting and monitoring the machines 24x7.
• Responsible for writing/modifying scripts using bash, ksh, and bash for day-to-day administration.
• Modified Kernel parameters to improve the server performance in Linux.
• Creation of Logical volumes (LVM) for Linux operating systems.
• Installed and configured Apache / Tomcat web server.
• Involved in design, configuration, installation, implementation, management, maintain and support for the Corporate Linux servers RHEL 4x, 5.x, CENTOS 5.x.
• Coordinating with 24 x 7 on-call support personnel in debugging.
• Developed, customized and build packages on Solaris and RPMs on Linux for deployment on various servers through Software Development Life Cycle.

Environment: RedHat, Cent OS, Solaris, Apache, Tomcat, FTP, DHCP, DNS, Samba, Bash, Kickstart