SUMMARY

• Over 7 years of IT experience in System design, implementation, administration, and application - production support in heterogeneous environments.
• Expertise in teh installation, support, configuration and maintenance of RedHat/SuSE Linux, Solaris, IBM AIX, HP-UX and Windows 2003/2008/XP.
• Experience in building Servers using Jumpstart for Solaris and Kickstart for Linux and Ignite for HP-UX. Exposure to NIM for AIX installation.
• Experience in building Red Hat Network Satellite Server
• Created image of Linux system wif System Imager dat automates Linux install.
• Used Linux tools YUM, Zypper and YaST on Red hat and SuSE Linux.
• Experience in Sun Solaris 10 (Creation of Zones, Virtualization, Service Management Facilities)
• Has good hands on VERITAS Volume Manager, RAID, Net backup, and expect/Shell/Perl scripting.
• Had worked on UNIX performance tuning Configuration and Capacity Planning
• Had worked on handling teh sessions of users for rollback, policy configuration by Power Broker.
• Good hands on disk and file system management through VERITAS volume manager and other types of logical volume managers.
• Worked on User and security administration, backup and recovery and coordinated daily activities of onsite person to resolve teh issues.
• Worked on Solaris 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Handled resources for zones using Solaris 10 container technology.
• Worked on Creation of ZFS file system.
• Strong Networking experience in designing and implementing LANs, WAN services and IP Addressing schemes. Switch and Router configuration and customization wif VLAN and Inter-switch communication. NIS PLUS design and implementation.
• Worked on various virtualization like VMware, XEN, KVM, Zones etc.
• Worked on HMC /VIO/LPAR in IBM p Series server running AIX 6.x.
• Used Solaris Live Upgrade to upgrade operating system from Solaris 8/9 to Solaris 10.
• Experienced wif teh installation, configuration and volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM) and Solstice Disk Suite /Solaris Volume Manager.
• Experience in Storage multi pathing, IPMP (Solaris) and Bonding (Linux).
• Experience wif System administration of UNIX Shared Services in Staging, Testing, Production and Development (24x7) environment.
• Experience of Storage Area Network/SAN, EMC Symmetrix / CLARiiON.
• Through Knowledge of UNIX internals and utilities (kernel, Memory, Swap)
• Supporting teh storage and application team for EMC, SAN, Hitachi, iPlanet, Web logic and also managed Tripwire server.
• Installation and upgrade of software and patches (kernel, Firmware), configuration management, version control, and writing run books, technical documentation.
• Experience in security hardening, Infrastructure monitoring tool design and implementation and updating firmware as well as OS kernel patching in heterogeneous environment.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup/ recovery and upgrading Linux (Red Hat & SuSE) in large environments.
• Independent problem solving and a good team player wif strong interpersonal and communication skills.

TECHNICAL SKILLS

Operating System: Red Hat Linux 7/6/5/4, SuSE 11/10, Solaris 11/10/9/8, IBM AIX (5.x, 6.x, 7.x), Ubuntu 6, Windows 2000/2003/2008/ XP/VISTA

Virtualization: View 4.5, 5.1 /ESXi4.1,5.0,5.1,5.5/VMWare vSphere 4/5, Site Recovery Management (SRM), VMware infrastructure 3.0/3.5,ESX 3/3.5, vCloud Suite 5.1, vCenter Lab Manager 4, vCenter Server, vCenter Update Manager, Vblock, vRA, vRealize Orchestrator, V-Cloud Connector, VMware PowerCLI, Symantec backup,Double Take Converter, vCenter Operations manager(vCOPs), Nutanix, Platespin, vSphere, vROPS

Services: NFS, SSH, SFTP, FTP, rlogin, RPM, YUM, Samba, Auto FS, Telnet

Hardware: Sun T Series, M Series servers, Sun Fire 280R/V480/490/E10K/E15K server, Sun Enterprises 450/420R/250 Sparc T5220, Sun Fire X4150, HP ProLiant DL380 G4/5(LINUX), HP-UX (rx6600/3600, rp 7420/7410/8400/5405/3440 ), (AIX) IBM 7026-6H1, IBM, IBM, IBM

Cluster: Veritas Cluster, Sun cluster, Power HA, RHCS

Web /Application Server: Tomcat, Apache, me planet, IBM RSA, WebLogic.

Firewall: Checkpoint

Languages: UNIX Shell Scripting, Perl, Python, GIT, C/C++, Java, JSP, HTML, J2EE

Databases: Oracle, SQL, DB2/UDB, LDAP, AS/400, Sybase

Server access Tool: Secure CRT, Putty, Cyclades

Networking Tool: LAN, WAN, Cisco Switches, FC, HBA, DHCP, DNS, NIS+

Backups and Storage: VERITAS Net Backup, Hitachi, NAS, EMC (Symmetrix, CLARiion)

Monitoring: SunMC 3.5/4.0, Net Connect, HP Open View, NAGIOS, Home grown scripts

Help Desk Management: REMEDY, Net cool, HP Service Center

Communication: Humming Bird (Exceed), Blue Zones, Lotus Notes, MS outlook and exchange

PROFESSIONAL EXPERIENCE

Confidential, MA

Linux/VMWare Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Redhat/SuSE/CentOS/ Ubuntu Linux, Sun Solaris,/AIX/ HP-UX Unix and Windows 2003/2008 operating Systems.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Configured virtual machines on VMware and KVM for Linux OS. .
• Installation and configuration of Veritas Volume Manager, LVM, Veritas File System and Veritas Cluster Server in Linux and UNIX environment.
• As a system administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing & configuring, job scheduling.
• Extensively worked on hard disk mirroring and stripe wif parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configured Solaris 10 wif Zone configuration
• Built virtualized Linux servers on ESX and blade servers to host multiple applications on same chassis across different server hosts
• Set up Linux servers for iSCSI LUN boot instead of using local hard disks
• Set up Sun servers for SAN-through-FCP boot as against booting from internal hard disks
• Configured Sun servers M4000 and M5000 for operational readiness upon OS installation
• Set up Linux servers for LAMP implementations and readiness
• Created File systems from local storage as well as NFS partitions for application portability
• Applied patches and packages on Linux servers using rpm RedHat Package Manager and yum tools
• Ensured automatic startup of different services by using chkconfig
• Configured Opsware on teh servers for event tracking
• Implemented virtual, integrated, management and proxy IPs on teh machines to serve different purposes
• Used Infoblox methods for assigning IP addresses
• Made kernel changes to improve system data throughput
• Installed and configured Apache, MySQL and PHP products on teh Linux servers
• Installation and configuration of HP-UX Servers thru ignite server, patch depot management for ignite server.
• Installation and configuration of Red hat and Veritas Volume Manager, File System.
• Providing day-to-day user administration like adding/deleting users and managing user’s queries. Shell programming for routine administration tasks. Analyzing & monitoring system performance through various system tools such as net stat, iostat
• Configured various services, devices as well as applications of UNIX servers and worked wif application team to customize teh environment.
• Building, Installing and configuring Veritas cluster Server.
• Creation and scheduling of Cron Jobs such as for Backup, System Monitoring and removal of unnecessary files
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• Develop, Maintain, update various script for services (start, stop, restart, recycle, and cron jobs) UNIX based Korn shell, Bash.
• Developed automation using python.
• Updated & Running teh various source code for migration & updating follow-up teh release management.
• Configured NIS Master and Slave servers and NIS clients.
• Engaging and working wif different vendors to determine problem resolution and root cause of hardware problems

Environment: Solaris 8,9,10, RHEL4/5/6, MySQL, PHP, Python, SuSE 10/11, HP-UX 11.x, AIX, Sun M4K,M5K,M8K, T4xxx/ T5xxx servers, HP Blade Servers C7000

Confidential, Conway-AR

Sr. Linux Administrator

Responsibilities:

• Worked as a part of migration team & migrated approx. 1000 Linux/Unix Servers from one data center to another located
• Used open source tools like System Imager for OS migration of Linux Servers.
• Worked on Initial configuration for Oracle RAC servers.
• Responsible for Installation, troubleshooting & configuration of Redhat Satellite Servers.
• Configured Redhat Satellite Server for upgrading and patching of all Linux Servers in teh network.
• Organized and implemented rollout for project which involves upgrade of servers using Redhat Satellite Server.
• Responsible for transitioning systems from Development & QA test environment to a full production environment
• File system & volume group creation & Disk Management using Veritas Volume Manager & LVM.
• Worked on HMC /VIO/LPAR in IBM pSeries server running AIX 6.x.
• Veritas Cluster Server configuration & installation
• Installed and configured VMware ESXi, created VMs and installed OS on VMs.
• Performed on-line disk replacement and volume group restoration
• Automated installation using Kickstart on RedHat Linux.
• Worked on HP Blade servers & HP DL Series Server for Linux installation & Support.
• Apache Web Server & LAMP Server Installation, configuration & Support.
• Performance analysis using Glance, sar, netstat & top
• Configuration and administration of DNS, NIS, NFS servers.
• Kernel Parameter tuning, patch installation & removal.
• Troubleshoot system problems & Supported 24/7 high availability production servers
• Participation in Change Management & change control activities, Involved in Memory sizing of different applications.

Confidential

System Administrator

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, Linux, AIX, and HP-UX.
• Configuring NFS, NIS, NIS+, and DNS.
• Worked on Solaris 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Managed resources for zones using Solaris 10 container technology.
• Created ZFS file system.
• Used Solaris Live Upgrade to upgrade operating system from Solaris 8/9 to Solaris 10.
• Experienced wif teh installation, configuration and volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM) and Solstice Disk Suite (Solaris Volume Manager).
• Primarily responsible for building Sun servers, monitoring tool and technical documentation
• Worked in regulatory compliance environment (ISO/QMS). Trained on how to work on Request for Services (RFS), and Change controlled system (HP Open View Service Center 6.2).
• Worked on existing infrastructure tool: Net Connect for Solaris hardware monitor, HP OVO for file system monitor and Exceed for x-window communication.
• Worked on patching for Net Connect application (NC 3.2.4), Sun OS (Kernel: 13 ), and Sun Firmware patching (13 ). And also published how to do documents for Kernel/Firmware patching.
• Worked on Jumpstart server set-up wif latest patches, packages, FedEx customizations as well as included security measure components in jumpstart server. Worked in HA environments.
• Built server from scratch for Net backup Master and Media servers using Jumpstart. Worked on pre/post Sun OS installation as well as FedEx customized application installation.
• Worked on user/group ID add, modify and remove password change for root and console.
• Worked on Linux and Window virtualization using VMWare. VMWare implemented server (ESX server: LINUX) fxspd801 (One of teh FedEx LINUX server) on Sun Fire X4150. Worked on Solaris OS upgrade from Solaris 8 to Solaris 10 and release upgrade of Sol10 06/06 to Sol10 11/06 Created iso image for different release of Solaris and also Linux
• Extensively worked on security hardening. Detected security vulnerable components then remediated FedEx InfoSec security flags for Solaris.
• Worked on trusted relationship (ssh) between Solaris servers first then other flavor of UNIX.
• Wrote script for first finding Net Connect application installed nodes for Solaris8 and Solaris10 then removing corresponding version of Net Connect installation from teh server then finally do auto cron restart. Script was scheduled to execute only one time in off hours.
• Built master/replica (Client) NIS+ server from teh scratch to fix mountable NFS share security vulnerability for AIX, HP-UX, LINUX and Solaris. Also wrote documents for how to build and implement net groups dat can work parallel to DNS wif various OS flavors (AIX, HP-UX, and LINUX).
• Worked on fixing Sun Bugs "todm5819p rmc" (Real Time Clock issue), Unknown status of Sensor (Fan, Tmp, Current, Voltage, LEDs), channel0: chan-read - failed for istate3 etc. by applying OS/Hardware/PROM patch and also modifying system (workaround).
• Working for xVM hypervisor implementation
• Worked for LUN, Fiber Cable, HBA’s configuration
• Extracted, implemented and investigated truss output, explorer output, iostat -En, prtdiag -v, cediag (Sun's Enhanced Memory DIMM Replacement Policy) memory analysis tool, Crash Analysis Tool (4.1) when alerted from teh sick node.
• Interfaced wif Oracle database, Storage/SAN group, Infrastructure planning and budgeting, Network group, Desktop halp desk, FedEx ISO/QMS, IT InfoSec Security and web Logic/MQ Series application support team along wif logging call wif remote FedEx vendors

Environment: Solaris 10/8/7, Sunblade 150, E450, F280R, E220R, T2000, Sunfire 480r, SunFire V490, Sparc T5220, SunFire X4150, HP Proliant DL380 G4/5(LINUX), HP-UX (rx6600/3600), (AIX) IBM 7026-6H1, IBM, IBM, IBM, iLO in-built Sun Hardware, SOLARIS 7,8,10, OPEN SOLARIS, Redhat AS5.2, Redhat AS3.8, HP-UX B.11.23, HP-UX B.11.11, AIX OS 0831, Hummingbird Connectivity V9., NETCONNECT, HP OPEN VIEW SunMC 4.0, NIS+, DHCP, MQSeries, WebLogic 6.0, Audit and compliance, Lotus Domino Web Access7, SAN/MPIO, xVM, VISIO, SANsurfer, BlueZone, VEA, VCS 5.0, WinSCP, SecureCRT 6.1, Putty, Navisphere Console for Clariion, EMC, Teradata, Oracle 10g etc.

Confidential 

System Administrator

Responsibilities:

• Worked on Operating Systems: Solaris 10, Red Hat Linux 5
• Worked on Cluster S/w: VERITAS Cluster Server 5/4, Sun Cluster 3.0/2.2, HP MC/Service Guard A 11.01/10.11
• Installing and troubleshooting of Custom Jumpstart services multiple servers
• Configuring NFS and Naming services NIS and DNS.
• Installing and Configuring SAP R/3 4.7 Enterprise.
• Configuring SAP Systems landscape and Client administration
• Applying Support Packages and Patches
• Setting up SAP Printers to end users
• Resolving day to day end user issues using ticketing tool Remedy
• Setting up and maintaining NFS, DNS (Master/Slave)
• Setting up NIS including configuration and troubleshooting of master, slave servers and set up of teh clients
• Implementation of RAID techniques and teh creation of Disk groups and volumes, plexes using VERITAS Volume Manager. Managing disks and file systems using VERITAS Volume Manager
• Configuring HA using VERITAS Cluster Server 3.0 for agents like NFS, Sendmail
• Performed custom Jumpstart to install Sun OS on multiple Sun Servers/workstations to simplify administration tasks
• Creating System Disk Partition, Mirroring root disk drive using VERITAS Volume Manager
• Troubleshooting Sun Solaris problems, logging call wif Sun, Involvement in Racking servers.
• Interacting wif various teams such Oracle database team, Run UNIX support team, Backup team.

Environment: Sun Solaris (8/10), RHEL (4/5), AIX (5/6), HP-UX (11), Windows-2008/2003 Sun SPARC E 4800/3000/450/250, Sun Fire 4800/3800, HP-9000, ProLiant series, RS-6000, Veritas Foundation Suite.