SUMMARY

• Around 8 years of experience in System Administration/Application Support administration and networking.
• Experience in installing and maintaining the operating systems and configuring networks in Centos, OEL, Redhat, Solaris, SUSE, Ubuntu as well as Windows (NT/2003/XP/2008/7/2012) based environments connected to SAN Storage and Network Environments.
• Excellent communication skills and extensive documentation experience clear understanding of business and ability to work as a part of team.
• Specialist in automation (writing Shell and Perl scripts) to monitor UNIX production applications.
• Shell scripting ability (solving “it can’t be scripted” challenges seems to be my talent).
• Great ability to work with people to solve technical and business issues.
• Experienced in UNIX, MAC and PC hardware, software and networked environments.
• Experience in automation using Python, Ruby, Shell and Perl scripting and also experience in using automation tools like Puppet and Chef.
• Experience in supporting 250+ Amazon AWS Images running Redhat, Ubuntu and Windows.
• Implementing and Maintaining Apache web server with HTTPS and Ngnix.

TECHNICAL SKILLS

Operating Systems: Unix - ------->Sun Solaris v 9, 10, HP-UX v 10.2, 11.0,11.11, 11i v3 Linux------->SUSE 9/10/11/12, OEL, Redhat EL v 4.x, 5.x, 6.x, Centos, Ubuntu v 6.10, 9.10. Windows-->Win NT/98/XP/Vista/7/2008 R2/2012

Hardware: Cisco UCS, HP Proliant DL 380, BL G4/5/6/7, HP C6000, C7000, Sun Enterprise 250,450,3500,4500, 280R, V480, SunFire 4800, SunFire 6800, Sun Fire Starcat E15K Servers, M5000, T2000, T5240, x4100, x4250, x4440,, DELL PowerEdge 1650, 6400, M905 with 1000e enclosures, HP Proliant DL 380, 385, 580, 585, HP Net Server L series, Micron, & Acer Intel Servers, DLT, AIT, DAT & CTD Backup Devices, Jukebox, Ethernet Hubs.

Server Management: SUN Solstice Disk & Admin Suites, VxVM, SMC, HP Open View, Network Node Manager, Compaq Insight Server Manager & Intel LAN Desk Manager, Puppet, Chef, Nagios, BMC Patrol and Predict.

Languages: C, C++, XML, PHP, PL/SQL, Shell Scripting - ksh, Bash and csh, Perl, Ruby, Python.

Data Base Servers: Oracle 8i, 9.2.x, 10, MySQL and Sybase on Solaris and Red Hat Linux and Win NT/2000, MySQL 7, 2000, 2012.

Networking Protocols: SNMP, SMTP, TCP/IP, IPX/SPX, NetBEUI, OSPF, SSH, SSL, BGP, IGRP, EIGRP, PPP, SLIP, UUCP, X.25, LAN, WAN, PCNFS, ARP/RARP, LDAP, 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 & Tomcat on Windows, Linux and Solaris, IIS 4.0, 5.0, 6.0, iPlanet 6.x, WebLogic 6.x, 7.x, 8.x, 9, 10, JBoss 4.2.x, Sendmail, Postfix, Mozilla, Webmin

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

PROFESSIONAL EXPERIENCE

Confidential, Irving, TX

Sr Linux System Admin

Responsibilities:

• Installation, configuration and upgrade of Redhat Linux 3/4/5/6, Cent OS 5.7 & Solaris 9/10/11 operating systems.
• Remote monitoring and management of server hardware and also servers in Amazon AWS.
• Involved in developing custom images on Cloud using AWS images and on VMWare ESX using Templates and involved in building physical servers using Kickstart PXE Boot and Jumpstart.
• Involved in health check of servers after patching / rebooting and checked all the services of Linux and Windows servers on AWS Cloud and also physical servers.
• Experience installing Puppet agents and pushing Manifests/Modules to 500+ Puppet clients.
• Experience working on AWS Cloud Images and involved in supporting AWS VPC environment.
• Installation and administration of DNS, NIS & DHCP servers on Windows 2008/2012 and Linux 5/6.
• Extensively involved in troubleshooting bottlenecks of Memory, CPU, Devices and Network using ps, vmstat, iostat, netstat, sar, snoop, nfsstat and sar commands, tuning the performance.
• Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Worked on Firewall implementation & Load balancer between various Linux and Solaris servers.
• Associated with DBAs for installation of Oracle database on Linux servers & for tuning, backup and restore.
• Scheduling the jobs by creating crontabs /Crontabs on Linux and Windows Servers.
• Responsible for providing technical support and providing production support for internally developed application.
• Responsible for monitoring and working on problem tickets. Following it up with business and technical teams, and ensuring the problem is successfully resolved.
• Responsible for documenting the issue, cause and resolution.
• Perform operational tasks and activities e.g. monitoring log files, performance tuning and migration between environments.
• Monitor the performance and availability of key middleware components in production and test environments.
• Have been the on-call person for the application, worked with the appropriate team members to bring the issue and get a resolution.
• Worked on customer tickets which are related to our application and help application team for the configuration changes and the file drops on the different servers.
• Configured IIS on Windows 2008 Servers and Apache on Linux & Solaris environment.
• Configured the systems for TCP/IP Networking with the existing LAN, Setting up SSH and SCP.
• Ability to write Shell & Perl scripting.
• Troubleshooting and configuration of Local and Network based printers.
• User, Group Administration and Advanced File Permissions.
• Worked on Log Parser and parsed logs based on the requirements of the App team.
• Maintain security for the networked environment while allowing users to access all data and software remotely.
• Worked on JIRA, Adding users to JIRA, Implementing the password policy to JIRA users.
• Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
• Involved in developing custom scripts using Python, Perl & Shell (bash, ksh) to automate jobs.

Environment: RHEL 6.x/5.x, Cent OS 5.7, Solaris 9/10/11, Apache 1.2/1.3/2.x, Logical & Veritas Volume Manager, Veritas netbackup 5.x/6.0,VM ESX 4.x/3.x.

Confidential, Charlotte, NC

Sr Solaris/Linux Administrator

Responsibilities:

• Installing and upgradingOE & RedhatLinux andSolaris 8/ & SPARC on Servers like HP DL 380 G3, 4 and 5 & Dell Power Edge servers.
• Experience in LDOM’s and Creating sparse root and whole root zones andadministeredthe zones for Web, Application and Database servers and worked onSMFon Solaris 10.
• Experience working in AWS Cloud Environment like EC2 & EBS.
• Implemented and administeredVMware ESX 3.5, 4.xfor running the Windows, Centos, SUSE and Redhat Linux Servers on development and test servers.
• Experience working EMC SAN Storage arrays like EMC Clariion and configured RAID groups and created LUN’s on them.
• Involved in Day to day to activities on Solaris, Linux and also performed upgrades and migrations using different third party tools like rsync & Double take.
• Installed and configured Apache on Linux and Solaris and configured Vitrual hosts and applifed SSL certificates.
• Implemented Jumpstart on SolarisandKickstart for redhat environments.
• Experience working with HP LVM and Redhat LVM.
• Experience in implementing P2P and P2V migrations.
• Involved in Installing and configuring Centos & SUSE 11 & 12 servers on HP x86 servers.
• Implemented HA usingRedhat Cluster and VERITASCluster Server 5.0forWebLogicagent.
• Managing DNS, NIS servers and troubleshooting the servers.
• Worked withVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• Troubleshooting application issues on Apache web servers and also database servers running on Linux and Solaris.
• Experience in migrating Oracle, MYSQL data using Double take products.
• UsedSun Volume Manager for Solaris and LVM on Linux& Solaris to create volumes with layouts likeRAID 1, 5, 10, 51.
• Experience in migrations of Solaris and Linux servers from EMC DMX to VMAX arrays using Veritas and SVM.
• Re-compiling Linuxkernelto remove services and applications that are not required.
• Performed performance analysis using tools likeprstat, mpstat, iostat, sar, vmstat, truss, Dtrace.
• Experience working on LDAP user accounts and configuring ldap on client machines.
• Upgraded Clear-Case from 4.2 to 6.x running on Linux (Centos & Redhat)
• Performed security analysis using tools likeJASS, nmap, nessus, snort.
• Patching of OS on mirrored servers afterdetaching and re-attaching the sub-mirrors.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.
• Experience managing multipathing using Linux and Solaris Native and also EMC Powerpath on SAN devices.
• Experience supporting middle ware servers running Apache, Tomcat and Java applications.
• Worked on day to day administration tasks and resolve tickets usingRemedy.
• UsedHP Service centerand change management system for ticketing.
• Troubleshooting and performance tuning issues with applications likeOracle 10g, MySQL, JBoss 4.x, WebLogic 10, MQSeries 6.x & JavaApplications on operating systems which includedSolaris and RHEL.
• Worked on the administration of theWeb Logic 9, JBoss 4.2.2servers including installation and deployments.
• Worked onF5 load balancers to load balance and reverse proxyWebLogic Servers.
• Shell scriptingto automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Environment: Solaris 8,9,10&11, HPUX, Centos, SUSE 10, 11, RHEL 3, 4.x, 5, VERITAS Storage Foundation 5, Redhat Cluster, VERITAS Cluster Server 4.1, VMware ESX 3.x, HP PA-RISC, HP ITANIUM servers, HP DL 380 G5, Sun Storedge 3511

Confidential, Irving, TX

Solaris/Linux Systems Administrator

Responsibilities:

• Installation ofSolaris 8, 9based servers withJumpstart and Centos, Redhat Linux EL 4.x based servers using Kickstart indevelopment, test and production environments.
• Implemented and administeredVM Ware ESX 3.5 and 4.1 .
• Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms.
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling of batch jobs and cron jobs.
• Upgraded over 35 servers withVERITAS Volume Managerfrom3.x to 4.0.
• Responsible for user administration and management usingSUDOandRBAC
• Built new systems for Production and migrated fromSolaris 8 to 9.
• MaintainedVolumesandFile systemsusingVxVM / VxFS for Oracle, DB2, Sybase MySQLdatabases.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Supported server running dataware housing application and terradata database.
• Experience with runningSQL queries on Oracle and MySQL.
• UsedVERITAS Cluster Server 4.1to create high available environments forNFS, WebLogic and Sendmail agents.
• Managed and supported LDAP environment running on Unix OS.
• Worked withSolaris Security Kit 4.1 (formerly known as JASS)to harden the Solaris servers and removing unnecessary processes on both the operating systems.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery.
• Implementation of naming services like DNS with Bind 8.4.x and NIS.
• Troubleshooting and fixing the problems related to systems, software and day to day regular maintenance tasks of the system.
• Respond toemergency callsrelating to server performance, diagnosis of problems, repairing problems or calling upon appropriate vendors to resolve the issue.
• Responsible forqualityreviewsandstandards.
• Provided24x7on-call /RemoteSupportfor UNIX Production Problems on weekly rotation basis.
• Troubleshooting day-to-day server related issues and problems.

Environment: Solaris 8,9, Centos, Redhat Linux AS 2.1, 3, HPUX 11.0,11.11, Sun v245, E220, 420, 280R, v480, 490, 880, 890, 250, Netra T1/ X1, HP OV, TSM, VERITAS Volume Manager 3.x/ 4.x, Guardium, Best1, BindView, SysEdge, Tripwire, ITA, NIS, NFS, DNS, DAS/SAN/NAS, WebLogic, Webmethod, Apache, Perl.

Confidential

Linux / Solaris Systems Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working with DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database and Sybase server on Solaris after creating the file systems, users and tuning the kernel.
• Installed and ConfiguredSSHGate for Remote and Secured Connection.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices likeprinters, scanners, modems, network and communication devices.
• Configuration ofDHCP, DNS, NFS and automounter.
• Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Installing, Configuring and Troubleshooting various software’s like Windd, Citrix - Clarify, Rave, VPN, SSH Gate, Visio 2000, Star Application, Lotus Notes, Mail clients, Business Objects, Oracle,Microsoft Project.
• Troubleshooting and solving problemsrelated to users, applications, hardware etc.
• Working 24/7 on call for application and system support.
• Experience in working and supported SIBES database running on Linux Servers.

Confidential

Junior Linux / Systems Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Installing and configuring WindowsActive directory server 2000and Citrix Servers.
• Published and administered applications viaCitrix MetaFrame.
• Creating and Authenticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working with DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database and Sybase server on Solaris after creating the file systems, users and tuning the kernel.
• Installed and ConfiguredSSHGate for Remote and Secured Connection.
• Setting up labs from scratch, testing hardware, installing and configuring various hardware devices likeprinters, scanners, modems, network and communication devices.
• Configuration ofDHCP, DNS, NFS and automounter.
• Creating, troubleshooting and mounting NFS File systems on different OS platforms.
• Troubleshooting and solving problemsrelated to users, applications, hardware etc.
• Working 24/7 on call for application and system support.
• Experience in working and supported SIBES database running on Linux Servers.