SUMMARY:

• Around 8 Years of Experience in UNIX/LINUX Systems and Network administration for VMware ESX 4.x/5.x, Windows 2008/2012, Sun Solaris 9/10/11, Linux RedHat (RHEL 4, 5, 6), CentOS, SUSE, Debian, OEL & Confidential - UX 10.x, 11.x.
• Worked on Amazon AWS EC2 cloud services for installing, configuring and troubleshooting on various Amazon images like Amazon Linux AMI like Redhat 4.x, 5.x, Ubuntu 12.x, 13.x.
• Involved in supporting ESX cluster environments managing 400+ VM’s running Linux and Windows environments.Worked on Auto scaling, Cloud Watch (monitoring), AWS Elastic Beanstalk (app deployments), Amazon S3(storage) and Amazon EBS(persistent disk storage).
• Server IP changes, patch management, performance tuning, NFS, SFTP, SAN, NAS storage handling.
• Involved in upgrading VMware ESX servers and managed VM’s and performed VMotion activities.
• Installed, configured and maintained UNIX/LINUX servers in an enterprise environment (Linux, Solaris, Confidential -UX) with SAN/NAS infrastructure across multiple sites for business critical applications.
• Experience in supporting Java based applications like JBoss, WebLogic&WebSphere and involved in J2EEapplication deployment activities.
• Experience in supporting middle ware environments like Apache/Tomcat, JBoss and WebLogic running on Redhat Linux and Solaris OE.
• Experience supporting Puppet environment with 500+ servers and involved in developing manifests.
• ExperienceininstallingandconfiguringSplunktool3.xand4.xversionsonLinuxmachines.
• Configuring and maintaining virtual server environment using VMWARE ESX/GSX, VSphere, and VCenter.
• Volume and Filesystem management using Veritas Volume Manager (VxVM) and Veritas Filesystem (Veritas Storage Foundation).
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), RedHat HA (RHCS), and MSCS.
• Good knowledge of RAID groups and setting up NFS, CIFS and iSCSI protocols in SAN/NAS environment on HPUX 11.23/11.31 and Redhat LINUX.
• Performed patching of Linux & Solaris servers on regular schedule. Involved in up Network/SAN installations using Kickstart and jumpstart.
• Involved in migration set up for UNIX/Linux server and SAN storage between data centers and also application migration and testing. This included SAN/Application migration and testing various functionalities of key applications.
• Experience in Server Configuration and Implementation SAN Migrations on SAN Storage such as IBM DS8000/4000, IBM XIV, EMC Clariion,VNX, VMAX, Confidential EVA & NAS like NetApp and EMC.
• Setting up NIS/NFS on RedHat servers, setting up JBOSS cluster and oracle 10g cluster, configuring load-balancing on apache, Redhat Linux 4.x/5.x/6.x.
• Installation/configuration for Oracle, Sybase, SQL Server, Informix Databases.
• ExperienceininstallingandconfiguringSplunktool3.xand4.xversionsonLinuxmachines.

TECHNICAL SKILLS:

Operating Systems: Linux,Redhat EL v 4.x, 5.x, 6.x, 7, SUSE v9, 10.0, 11.x, Ubuntu 6.10, 9.10, OEL,Unix,Sun Solaris v 9, 10, Confidential -UX v 10.2, 11.31, 11i v3,Windows, Win NT/98/XP/Vista/7/Server 2003/2008/2012, VMware ESX 3.x/4.x/5.x & KVM Hypervisor

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, Confidential Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Nagios, and BMC, Amazon EC2 and S3, Icinga.

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash, Java, Perl and python

Data Base Servers: Oracle 8i, 9.2.x on Solaris and Red Hat Linux and Win NT/2000, MySQL 7, 2000 on Win NT/2000.

Networking Protocols: SNMP, SMTP, TCP/IP, IPX/SPX, NetBEUI, OSPF, BGP, IGRP, EIGRP, PPP, SLIP, UUCP, X.25, LAN, WAN, PCNFS, ARP/RARP, FTP/TFTP, RIP, DHCP, DNS, NIS, NIS+, Automounter.

Desktop Applications: Acrobat, Paint Shop Pro, MS Office, Novell Group Wise, Corel Perfect Office, MS Works, Open Office, Dreamweaver, FrontPage, and many others.

Internet & WWW: Apache Web Server 1.2, 1.3.x, 2.x on Windows, Linux and Solaris, IIS 4.0, 5.0, 6.0, WebLogic 6.x, 7.x, 8.x, 9, 10, JBoss 4.2.x, Sendmail, Postfix, Mozilla, Weblogic, JBoss and Apache Tomcat.

Security Hardware/Software: Checkpoint 2000 VPN-1/Firewall -1, Cisco PIX version 5.1, 6.2, iptables 4, iptables 6.

PROFESSIONAL EXPERIENCE:

Confidential, Denver, CO

Cloud/DevOps Engineer

Responsibilities:

• Installation,configurationandtroubleshootingofRedhat4.x,5.x, 6.x, Ubuntu 11.x and Windows 2003, 2008, 2012onvarioushardwareplatforms mostlyonAmazonAWScloudservices.
• Involved in complete cycle on migrating physical Linux/Windows machines (~1000) to cloud (AWS) and test it.
• Designed an Architectural Diagram for different applications before migrating into amazon cloud for flexible, cost-effective, reliable, scalable, high-performance and secured.
• Involved in building vCenter on Windows environment and managed vSphere clients and performed administration using vCenter Power CLI.
• Build servers using AWS: Importing volumes, launching EC2, creating security groups, auto-scaling, load balancers in the defined virtual private connection
• Automating backups by shell for Linux and powershell scripts for windows to transfer data in S3 bucket
• Creating alarms in Cloudwatch service for monitoring the servers performance, CPU Utilization, disk usage etc
• Maintaining the user accounts (IAM), RDS, Route 53, SES and SNS services in AWS cloud.
• Build new VMware ESX Server 4.x/5.x on Confidential HW running Red Hat Enterprise Linux & created different virtual machine like Debian, windows 2003 & 2008 server, SuSE enterprise Linux using VMware Virtual
• Infrastructure Client tool and configured with EMC storage box.
• AWS Import/Export accelerates moving large amounts of data into and out of AWS using portable storage devices for transport.
• Installing and configuring Splunk, SMTP, postfix mail server with IMAP on Ubuntu 14.x
• Good knowledge of RAID groups and setting up NFS,CIFS and iSCSI protocols in SAN/NAS environment on VMWare ESX and Redhat/SUSE LINUX Configuration management of the Infrastructure using Puppet and Chef Servers.
• Deployments and involved in working for a high scalability and high availabilityenvironment running Linux and Windows.
• Used SCCM to remote control, patch management, software distribution, and OS deployment on multiple environments.
• Handling the shared drives and scheduling tasks (cron jobs and task scheduler) for the scripts for various purposes.
• On-call support for 24/7 for troubleshooting production issues.
• Documenting all the processes for above, issues caused and its solutions in timely manner.

Confidential, Boston, MA

Sr.Linux/Devops Engineer

Responsibilities:

• Set up and configuring of Linux (red hat & SUSE) and Solaris servers/workstations for clients
• Configuring the NFS servers, setting up servers in network environment and configuring FTP/NTP/NIS servers, clients for various departments and clients.
• DeployingandtroubleshootingjavacodesandbatchesforallthereleasesinlowerenvironmentstoproductionenvironmentthroughAnthillProsoftware4.xand5.0release.
• WorkedonMicrosoftSQLServerReportingServices(SSRS)increating,deployingandmanagingreportsbyconnectingtoMicrosoftSQLServersinproductionenvironment
• Involved in maintenance of systems including patching, setting up Print servers, Configuring File systems, using LVM/Veritas on HPUX/Linux/Sun Solaris OS, involving SAN environment
• Setting and maintaining SUSE/Redhat Linux and Ubuntu servers in Production and Lab Environments.
• Installed, configured, and did maintaining services such as Apache for more than 250 Redhat Linux servers.
• Setting up the Backup solution using native Unix/Linux tools and also worked with Omni back/Data protector solutions.
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, MySql 5.x
• Installed and configuredNagios 3.x and Zabbix 1.x, 2.x monitoring tools on Redhat 4.x and 5.x
• Involved in support databases and performed MS SQL upgrades running on Windows servers.
• Involved in server automation using Puppet for Linux and Solaris servers.
• Support of Applications like Apache Tomcat and Java based applications running on Linux machines for multiple clients.Installing and upgrading Solaris 9 and Solaris 10on T2000s, Sun Fire v490, v440, v490, x4200, E2900, E4900, E6900, M5000, M8000 and RHEL 4.x, 5 on Confidential DL 380 G5
• Installation, configuration and administration of Linux (Red Hat/SUSE, Centos).
• Storage Provisioning, Volume and File system Management using LVM/Veritas on Linux in a SAN environment
• Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers
• Setting up UNIX/Linux environments for various applications.
• Creatingachangerequests,workordersandproblemticketsusingBMCRemedytoolandgettingapprovalsfromhigherofficials.
• Project Management for various UNIX/Linux/Windows system integration projects
• Troubleshooting system and user issues, providing friendly and timely UNIX customer support
• Developed and conducted complete hands-on UNIX training courses for basic UNIX, Advanced UNIX, UNIX System administration, UNIX Network Administration, UNIX SHELL scripting depending on the requirement.
• Developed manuals, exercises and PowerPoint presentations for the courses.

Confidential, Seattle, WA

Sr.Unix/Linux Administrator

Responsibilities:

• Installation,configurationandtroubleshootingofRedhat4.x,5.x,Ubuntu12.xandAIX6,7, Confidential -UX11.xonvarioushardwareplatformsandonAmazonAWScloudservices.
• UpgradedNetBackupsoftwareclientonvariousserversfrom5.xand6.xto7.x
• Activitiesincludefilesystemcreation,extensionandcleanup.Unmountandmountonnewfilesystem.
• InstallingandupgradingSymantecNetBackup7.xtoolonHP-UX11.x,SLES10,RHEL3,4.
• IfrequiredrequestedextrastoragefromSANteamforfilesystemextensionsothattheNetBackup7.xsoftwarehaveenoughspacetoupgrade.
• InstalledATDDdriver6.xonvariousversionsofHP-UX11.xaccordingly.
• Workedonpatchinstallation.
• ImplementedVERITASCluster5.0forWebSphereandSunJESWebServeragents.
• PerformedapplicationinstallationandmanagementonSolarisandLinuxserversforapplicationslikeWebSphereApplicationServer(WAS)7,JBoss4.2.x,5.x,SunJESWebServer6.1,Oracle10g
• Installing,configuringvarioussoftwareapplicationsandpackageslikeApache1.3.18, WebLogic11.x,Oracle9ietc.
• InvolvedinhardwareandOSmigrationformasterserversthatincludescheckingoftapedrives,rebootingservers,checkingmemory,HBAs,CPU,newallotteddisks,verifyfilesystemcreationandATDDdriverinstallation,creatingtaranduntarfiles.
• ConfiguredforwardersandIndexersinLinux2.6.18-274.17.1.0.1.e15serverstocollectdatafromclientserversandsendittoindexersondifferentservers.
• Alsoinvolvedinsoftwaremigrationincludestheactivities:sftpandscpthefilesfromoldtonewservers,modifyingthehostnameandIPaddress,schedulingcronjobs,OSstartupscripts,takingignitebackup.
• WorkedwithDBAteamforrunningstart/stopscriptsifneededtobringdownthedatabasesforNBU7.xupgradeofclients.
• ConfiguredDNS,LDAP,ApacheHTTPservers.
• InstalledandconfiguredChefandPuppettoolsonRHEL,HPUX.
• WorkedonVMwarevSphereclient4and5usingCitrixXenappforprovidingdiskstothelogicalvolume.
• Kernelparametersetting.

Confidential

Linux Administrator

Responsibilities:

• Installed, upgraded, Mirrored and configured RHEL 4.x and Sun Solaris 10/9.0/8.0 using Kickstart, Jumpstart Installation respectively.
• Upgraded Redhat Linux and Ubuntu on Confidential /Dell Servers and workstations. Added necessary patches using patchadd utility and scripts.
• Controlled disk operations, disk group operations, volume operations and volume configurations using vxdisk, vxdg, vxassist, vxmake and vxvol in Veritas Volume Manager.
• Configured Printers, Print Server and Print Clients using commands like lp, lpstat, lpadmin, lpfilter& GUI.
• MaintenanceofDELL(2650,2850,2950,380Gen8)serversandHPProLiantserverswith Blade Hardware like C7000 andsoftwaretroubleshooting.
• ExperiencemanagingserversconnectedtoHDSSANlikeVSPandmanagedHDSLDEV’susingHDLMsoftware.
• Installation, Setup and Configuration of WebLogic 9.0/8.1 application server.
• Disk Management using different RIAD technologies inLinux using Veritas Volume Manager and LVM.
• Veritas Cluster Installation and Configuration along with Resources and Service Groups Configuration in VCS.
• Configuration and administration of DNS, LDAP, NFS, NIS and Samba in RedHat Linux.
• Network trouble shooting using ndd, traceroute, netstat, ifconfig and snoop.
• Administered and Managed Network Applications and Services like NFS with Hummingbird connectivity V7.1.
• Involved in Configuring DHCP server and giving IP addressing dynamically.
• FTP Server configuration in Linux and done kernel tuning on Linux for play out software.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files using access modes.
• Written Shell scripts to run Batch Jobs on RedHat Linux servers.
• Provided system performance reporting on a regular basis along with keeping all software at current version levels, and maintaining a log of changes for tracking.

Confidential

Jr Systems Administrator

Responsibilities:

• Installation and configuration of Redhat Linux and Windows NT servers.
• Involved in user account Administration.
• Installed and configured Patches and Packages.
• User account management and support.
• Performance Monitoring & System tuning.
• Involved in managing local disk devices.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and resolving errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Documented solutions for any issues that have not been discovered previously
• Trouble shooting the system and end user issues.