SUMMARY

• Over 7+ years of IT industry experience as a System Administratorand Production Support of various applications onSunSolaris, Redhat Enterprise Linux, AIX, CentOS, FedoraandWindows environment wif VMware vSphere.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Installation and up gradation of Packages and Patches configuration mgmt, version control, service pack. & reviewing connectivity issue regarding security problem.
• Proficiency in writing automation scripts using Chef, Puppet, Shell, PowerShell to support infrastructure as code and continuous deployment.
• Experience in Installing, configuring and maintaining Samba,Web Sphere & Web Logic Application Servers, Nagois and Chef.
• Experience on Web servers such as iPlanet Web server 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x, 4.x, 5.x, 6.x, and 7.x & Apache Server 1.x, 2.x,
• Strong proficiency in supporting Production Cloud environments (AWS, Azure, and VMware) as well as traditional managed hosted environments.
• Experience in manage cloud software deployments, wif a focus on continuous integration and deployment using GitHub, Jenkins, Bamboo, SVN and Maven
• Supported AWS Cloud environment wif 200+ AWS instances and configured Elastic IP & Elastic Storage and also experience working on implemented security groups.
• Efficiency in installing, configuring and implementing teh LVM, andRAIDTechnologies using various tools likeVeritas volume manager,Solarisvolume manager.
• Experience in Installed and configured Apache/Tomcat/Java/MySQL.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
• Configuring and AdministeringDNS, NIS, NIS+, LAMP and LDAPonSunSolarisserver environment.
• Experience in Install and configuration of Web hosting administrationHTTP, FTP, SSH, & RSH
• Experience in Installing, upgrading and configuringSUNSolaris9 and 10 onSunServers Using Jumpstart Servers, Manual installation as when required.
• Experience in Installation of VMware ESX server and creation ofVMs and install different guest OS.
• Experience in Installation and configuration of Zonesand ContainersinSolaris10 environment.
• Experience in Creating and maintaininguser accounts, profiles,security, rights, disk spaceandprocess monitoring.
• Experience inVeritas Volume manager (VxVM), Mirroring, and striping,Parity,New File Systems,MountingandUnmountingFile Systems.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Installation and configuration of JBoss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Participated, documented and managed ITIL controls and supported Linux environments.
• Experience in Package management using RPM, YUM and UP2DATE in Redhat Linux.
• Worked on Firewall implementation &Load balancer between various Windows servers.
• Ability to write Shell, Python and Perl scripting and worked on Splunk for generating various metrics
• Expertise in trouble shooting, back and recovery.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Experience supporting 24x7 production computing environments and providing on call and weekend support.

TECHNICAL SKILLS

Operating Systems: Linux (Redhat(…), CentOS, Fedora, Debian, Ubuntu), Solaris 10/9/8, HP - UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3,VMware ESX,SLES 8,9,10 & 11, Windows NT /2000/2003, MAC OSX 8/9.x/10.x.

Hardware: HP Proliant, Blade servers, Sun Servers E450, E3500, E4500, E5000, E6500, E10k, E15k, E25k, Sun Ultra's, V210, V280, V490, V880, V6800 SUN Ray (1g Ultra-Thin Client) SUN Desktops (SPARC 10, 5), DMX3 and DMX4 Storage Arrays, F5, CDN systems

Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables

WEB Technologies: Tomcat, Apache DB2, Apache Cassandra, Web Logic (8/9/10) & Web Sphere 4.0/5.0, Nginx.

Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Shell Scripting, Perl Scripting, Python, Ruby, Bash, HTML, XML.

Backup Management: Veritas Net backup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk,Chef,Puppet, GitHub, Jenkins, Bamboo

Network Protocols: DHCP, DIG, DNS, TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET, Ethernet, IOS, NFS, NIS, nslookup, FTP, TFTP, tcpdump.

PROFESSIONAL EXPERIENCE:

Confidential, St. Cloud, MN

Sr. Linux Administrator

Responsibilities:

• Installed, configured and Administrated of all UNIX/LINUX servers, includes teh design and selection of relevant hardware to Support teh installation/upgrades of Redhat (5/6), CentOS 5/6, Ubuntu operating systems.
• Building and supporting environments consisting Testing, Contingency, Production and Disaster Recovery servers.
• Creation, Installation and administration of Red Hat Virtual machines in VMware Environment.
• Implemented puppet, Nagios, Splunk, Chef and DevOps tools.
• Installation, configuration and administration of Jboss, Apache, Weblogic, Tomcat and Websphere and Nginx.
• Performed patching of RHEL using yum, up2date and BladeLogic.
• Supporting infrastructure environment comprising of RHEL and Solaris.
• Experience wif VMware Virtualization using ESX hypervisor of VSphere.
• Resolving different Users request.
• Performed Disaster Recovery in RHEL servers which consists of LVM based FS and Red Hat Clustering.
• Create, extend, reduce and administration of Logical Volume Manager (LVM) in RHEL environment.
• Creation of SAN File System on Red Hat Linux using multipath configuration.
• Creation, initialization, addition of Oracle ASM and FSR devices in multipath environment
• Rebuilding of kernel in RHEL using mkinitrd.
• Worked on projects like PCI, SR to ensure all goes well and provided support till servers go in to production environment.
• Configuration of Monitoring tools in Linux and Solaris servers.
• Configuration of Network bonding which include Active/Standby and Active/Active.
• Installation of HBA cards ( Emulex and Qlogic )
• Troubleshooting Network, memory, CPU, swap and File system issues, TCP/IP, NFS, DNS, SMTP in Linux and Solaris servers.
• Performance tuning of Virtual Memory, CPU, system usage in Linux and Solaris servers.
• Supported class monitoring and management tools such as Open NMS, Tivoli and VCO.
• Performance Monitoring and Performance Tuning using Top, prstat, SAR, vmstat, ps, iostat.
• Building of Oracle RAC (Oracle Real Application Clusters) environment.
• Creation of Jumpstart and Kickstart configuration for teh automatic provision of servers using BladeLogic.
• Performed OS provisioning using Kickstart through BMC BladeLogic

Environment:RHEL (3..5), CentOS, Ubuntu, HP & Dell Servers, Oracle DB2, VMware ESX 4.x. VMware VSphere, ESX, BMC BladeLogic.

Confidential, San Diego, CA

Linux Admin / (Chef & puppet) Developer

Responsibilities:

• Worked on variety of Linux platforms Redhat Linux, Solaris which includes installation, configuring and maintenance of applications on dis environment.
• Works wif Symantec and BSC team to setup teh Symantec O3 IDLINK Open VPN Servers.
• Build servers using Kick Start, Redhat Satellite Server, and VSphere Client.
• Implemented cloud services aws.
• Implemented automations tools chef, puppet, splunk, DevOps.
• Migrated to Redhat satellite server 6 version.
• Implemented Bash, Perl, Python scripting.
• Updating patches to keep servers updated against bugs present in teh operating system using Redhat Satellite Server, yum, etc.
• Worked exclusively on VMware virtual environment.
• Experience in using VMware vMotion to move VM’s from One Datacenter to another datacenter.
• Involved in installation and configuration of various Third party software onto servers.
• Installed, configured and provided support for Tivoli Monitoring software across various OS platforms like RHEL, AIX and Solaris.
• Installed packages using YUM and Redhat Package Manager (RPM) on various servers.
• Troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule sets, local and distributed director, connectivity, and supporting applications.
• Worked wif Redhat Satellite Server which is used to push changes across various servers simultaneously.
• Performed teh daily system administration tasks like managing system resources and end users support operations and security.
• Responsible for independent support of Tier 2 issues: reboots, start/stop services, reset Terminal Service and pc anywhere connections, and administrative server maintenance. Daily follow up wif clients to ensure resolution of all issues.
• Provide support to Account Managers, UNIX and Windows technicians, and other departments.
• Involved in ILMT Agent Deployments and Oracle/SQL Upgrade project which includes various UNIX builds of different OS platforms across various data centers.
• Used Logical Volume Manager for teh management of Volumes including creation of physical and logical volumes on Linux.
• Coordinated wif various cross functional teams across IT operations to make sure smooth functioning of projects.
• Experience wif various API gateway platforms like Apigee.
• Worked closely wif DBA Team in order to adjust kernel parameters as per requirements.
• Day to day resolution on Linux based issued though SMS ticketing system in compliance to SLA cycles.
• Performed application installation and management on IBM AIX and Linux servers for applications like Web Sphere Application Server (WAS) 7, JBoss 4.2.x, 5.x, Sun JES Web Server 6.1, Oracle 10g, Sybase 12.5 etc.
• Automating many day to day tasks through Bash scripting.

Environment: Redhat Enterprise Linux 4.x/5.x/6.1, AIX 6.x, Solaris 8/ 9/10, Tivoli Storage Manager, VMware ESX5, Tivoli Net backup, and Web sphere. Windows 2012 servers, Windows 2008, IIS 7.0 & 7.5

Confidential, Twinsburg, OH

Unix/Linux Admin / Chef Developer

Responsibilities:

• Supported Solaris/Linux servers in production/QA/ Development Environment, includingSolarisZone and RHEL VM's.
• Used Chef configuration management system to develop automation and monitoring web application and database servers
• Created several cookbooks, recipes using Ruby as scripting language
• Involving in installing chefnode, workstation and server
• Installed andConfiguredSolariszones: whole, sparse, branded onSunHw (x4140,x4170,T5240.T3-1,T3-2)
• Installed ESXi 4.1Hypervisor on HP Servers.
• Installing, configuring and maintainingapache, samba,Web Sphere& Web Logic Application Servers and Nagois
• Worked on VMware, VMware View, vSphere 4.0. Dealt wif ESX, ESXi servers.
• Enhanced and simplified vCenter server 4.0.
• Installation of systems using Jumpstart forSunServers and Kickstart for RHEL on HP HW.
• Configure, support and perform routine maintenance of hardware and software for Linux andSolarisservers.
• Involved in Hardware and software evaluation, recommendation and vendor management.
• Resolved configuration issues and problems related to OS, NFS mounts, LDAP user ids DNSand issues.
• Experience in creation and maintenance of ZFS file systems / set quotas.
• Regularly applying patches for Redhat Linux,Sunand HP systems.
• Develop Unix Shell scripts for regular and periodic jobs and also for system admin jobs.
• Extensively worked wif Business, Application, Database, Network and SAN Team for project requirement.
• Project co-ordination and providing technical advice on system to management
• Plan, document, review and maintain system administration guidelines and policies
• Manage and co-ordinate Unix and Linux administration tasks
• Ensure Data Center operation meets required service levels
• 24x7 support for teh UNIX servers. Rotating on call pager responsibilities for Production environment.

Environnent: Solaris 9 & 10, RHEL 4.X,5.x,6.x:SunUltra SparcT5220,T5240, T3-1,2,M5000,X4140,x4170; HP DL360, 380 & 580; VMware, SolsticeDisk Suites, ZFS; Volume Manager (VxVm) 4.1, Veritas Cluster server (VCS), VMware.

Confidential

LINUX System Admin/ DevOps Designer

Responsibilities:

• Managing and troubleshooting of FTP Server, Samba Server of teh client.
• Maintain uptime of Linux production servers and follow proper escalation.
• Maintaining day to day operations, Install software, apply patches, manage file systems and troubleshoot.
• Managing Red Hat Cluster, HPC environment etc.
• Building & configuring Red Hat Linux systems over teh network, implementing automated tasks through crontab, resolving tickets according to teh priority basis.
• Handling LVM related tasks, Creating, resizing LVM, Veritas Volume manager and also managing Cluster environment using Veritas Cluster suite.
• Monitoring system performance, Server load and bandwidth issues.
• Work wif DBAs on installation of DB, restoration and performance tuning.
• Implemented automations tools DevOps
• Installing and configuring Red Hat Linux locally or over teh network-kick start- (nfs, ftp, http).
• Experience in building binaries using Maven & Xcode.
• Maintaining Server and Systems, provide IT support to User.
• User Administration (setup and maintaining accounts).
• Updating Systems, Servers and client software's.
• Implement teh policies for teh users of teh computer system and network.
• Regularly manage backup process for Server and Client data.
• Installing open source application, search, analyze and develop new application for users.

Environment: CentOS 5.7/6, Red Hat Linux 5.7/6, Ubuntu 10.04/10.10/11.10, Fedora 17