SUMMARY:

• Over 8+ years of IT experience in System design, implementation, administration, and application - production support in heterogeneous environments.
• Experience in Sun Solaris 10 (Creation of Zones, Virtualization, Service Management Facilities)
• Expertise in VERITAS Volume Manager, Cluster, Net backup, RAID, Sun-Cluster, and expect/Shell/Perl scripting.
• Experience in installing, configuring and maintaining RAD Server along with resource repository Clear Case and back end db2.
• Extensive experience in UNIX performance tuning Configuration and Capacity Planning.
• Expertise in disk and file system management through VERITAS volume manager and other logical volume manager.
• Worked on User and security administration, backup and recovery and coordinated daily activities of onsite person to resolve the issues.
• Strong Networking experience in designing and implementing LANs, WAN services and IP. Addressing schemes. Switch and Router configuration and customization with VLAN and Inter-switch communication. NIS PLUS design and implementation.
• Configured and used Jumpstart, Kick start, Ignite and NIM to install OS.
• 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 with the installation, configuration and volume/File system management using VERITAS Volume Manager, Logical Volume Manager (LVM) and Solstice Disk Suite (Solaris Volume Manager).
• Supported systems running various Databases like Oracle, SQL, DB2/UDB, AS/400 and Sybase.
• Experience with System administration of UNIX Shared Services in Staging, Testing, Production and Development (24x7) environment.
• Experience of Storage Area Network/SAN, EMC Symmetrix / CLARRiiON.
• Through Knowledge of UNIX internals and utilities (kernel, Memory, Swap)
• Supporting the storage and application team for EMC, SAN, Hitachi, iPlanet, Weblogic and also managed Tripwire server.
• Installation and upgrade of software and patches (kernel, Firmware), configuration mgmt, 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.

TECHNICAL SKILLS

Operating System: Red Hat Linux 6/5/4,Solaris 10/9/8, IBM AIX (5.x, 6.x), Ubuntu 8.10-i386, Windows 2000/2003/2008/XP/VISTA

Hardware: Sun Fire 280R/V480/490/E10K/E15K server, T2000, Sun Enterprises 450/420R/250 Sparc T5220, SunFire X4150, HP Proliant DL380 G4/5(LINUX), HP-UX (rx6600/3600, rp7420/7410/8400/5405/3440), (AIX) IBM 7026-6H1, IBM 9111-520, IBM 9117-570, IBM 7026-B80, iLO in-built Sun Hardware

Cluster: VERITAS Cluster, Sun cluster

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

Firewall: Checkpoint

Languages: UNIX Expect/Shell Scripting, Perl, 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: Sun MC 3.5/4.0, Net Connect, HP Open View, NAGIOS, Home grown scripts

Help Desk Management: REMEDY, Netcool, HP Service Center

Communication: Humming Bird (Exceed), Blue Zones, Lotus Note, MS out Look

PROFESSIONAL EXPERIENCE:

Confidential, Lakewood, CO

Sr. System Support Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris, AIX, HP-UX, Linux.
• Performed automated installations of Operating System using Jumpstart for Solaris and kick start for Linux.
• Installation and configuration of HP-UX Servers thru ignite server, patch depot management for ignite server.
• As a Solaris 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, and installing & configuring job scheduling.
• Installation and configured Solaris 10 with Zone configuration.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Installation and configuration of VERITAS Volume Manager, LVM, VERITAS File System and VERITAS Cluster Server.
• Installation and configuration of HP-UX Servers thru ignite server, patch depot management for ignite server.
• Automated daily tasks through korn and Perl scripting.Examples include: reporting invalid login activity, mailing errors from error report, removing old print files.
• Experienced with C/C++, PHP, Server-Side JavaScript (Nodejs), Perl, Python & Bash Programming Languages Configuration and administration of Fiber card Adapter's and handling AIX part of SAN.
• Solid experience in migrating storage (SAN & HNAS) on platforms: EMC/NetApp.
• Installation and configuration of Redhat 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 netstat, iostat.
• Configured various services, devices as well as applications of UNIX servers and worked with application team to customize the environment.
• Building, Installing and configuring VERITAS cluster Server. Installed the Operating System on Solaris and Linux servers and blades over the network.
• Install, customize and provide support for various UNIX tools and applications: VERITAS Cluster Server, VERITAS Volume Manager and etc.
• 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.
• Apache Web Server & LAMP Server Installation, configuration & Support.
• 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.
• Implemented virtual, integrated, management and proxy IPs on the 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 the Linux servers.
• 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.
• Updated & Running the various source codes for migration & updating follow-up the release management.
• Configured NIS Master, Slave servers and NIS clients.
• Engaging and working with different vendors to determine problem resolution and root cause of hardware problems.

Environment: Solaris 8,9,10, RHEL4/5/6, HP-UX 11.x, AIX, Sun M4K, M5K, M8k, T4xxx/ T5xxx servers, Chef, HP Blade Servers C7000.

Confidential, Frankfort, KY

Sr. System Support Administrator

Responsibilities:

• Worked as a part of migration team & migrated approx 750 Linux Servers in DC to DC migration.
• Responsible for Installation, troubleshooting & configuration of Redhat Satellite Servers.
• Configured Redhat Satellite Server for upgrading and patching of all Linux Servers in the network.
• Organized and implemented rollout for project which involves upgrade of servers using RedHat Satellite Server.
• Worked with EMC PowerPath and SAN Storage Related Issues.
• File system & volume group creation & Disk Management using Veritas Volume Manager & LVM.
• VERITAS Cluster Server configuration & installation.
• Automated installation using Kickstart on RedHat Linux.
• Set up Linux servers for LAMP implementations and readiness.
• Worked on HP Blade servers & HP DL Series Server for Linux installation & Support.
• Implemented multi-tier application provisioning in Open Stack Cloud, integrating it with Chef/Puppet.
• Implemented automated local user provisioning in instances created in Open Stack Cloud through Chef recipes.
• Experience using Cloud providers & API's for Amazon(AWS) with Right scale, Rackspace Cloud/Cloud Files, Cloud Sigma(EU) and IBM Cloud environments.
• Installed, configured and troubleshoot DNS, PHP, DHCP, Apache, MySQL and SENDMAIL on Red Hat Enterprise Linux.
• Worked withVMware ESX ServerConfigured for Red Hat Enterprise Linux.
• SENDMAILconfiguration and administration, testing the mail server.
• Monoglot software maintenance of various internal software inpython/php/perl.
• Performance analysis using Glance, SAR, netstat & top.
• Inter-Networking with DNS, NIS, NFS, SSH.
• Kernel Parameter tuning, patch installation & removal.
• Troubleshoot system problems & Supported 24/7 high availability production servers.

Confidential, Houston, TX

Sr. System Administrator

Responsiblities:

• 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.
• Worked for LUN, Fiber Cable and HBA’s configuration.
• Implemented horizontal auto-scaling in OpenStack Cloud, integrating it with Chef.
• Experienced with the 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 on Monitoring tool (SunMC 4.0) set-up. Designed and built master server for SunMC as well as worked for adding agents. Migrated Net Connect to SunMC for Solaris hardware monitoring. Wrote all server installation and agent addition procedure documents for SunMC and published in FedEx PGH Wiki site.
• Worked on patching for Net Connect application (NC 3.2.4), Sun OS (Kernel: 137137-09) and Sun Firmware patching (139434-04). And also published how to do documents for Kernel/Firmware patching.
• Worked on Jumpstart server set-up with latest patches, packages, FedEx customizations as well as included security measure components in jumpstart server. Worked in HA environments.
• Built server from scratch for Netbackup 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, remove and password change for root and console.
• Worked with FedEx vendors for their hardware as well as software issue (NC3 script, srsproxy config: CST for Load average) regarding performance and defects and replaced error prone hardware components and also eliminated software issue by adding/removing packages and patches. Also informed all team members for EOL/SLA for support service agreements.
• Worked on Linux and Window virtualization using VMWare. VMWare implemented server (ESX server: LINUX) fxspd801 (One of the 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 the 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 the 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 that can work parallel to DNS with various OS flavors (AIX, HP-UX and LINUX).
• 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 the sick node.
• Interfaced with Oracle database, Storage/SAN group, Infrastructure planning and budgeting, Network group, Desktop help desk, FedEx ISO/QMS, IT Infosec Security and web Logic/MQ Series application support team along with logging call with 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 9111-520, IBM 9117-570, IBM 7026-B80, 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 5300-08-03-0831, 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

LINUX/UNIX Administrator

Responsibilities:

• Infrastructure planning, development and management, System Management (Hardware /Software), Vendor Management, Cost Benefit, Budgeting and (Lifecycle of implementation).
• Work on development, staging, production and testing environment on several City government projects (311, ACRIS, NYCHA, Portal, DATASHARE, GEO, and GIS etc).
• Installation and configuration Solaris 10 with creation of zones, svcadm-service Mgmt facility.
• Remotely as well as onsite 24x7 manage several servers for performance, uptime, capacity, response time, file system, I/O, disk space, kernel, memory, health check, and also analyze incident/defect. Along with participated in emergency bridge call.
• Server virtualization Solaris 10: soft partitioning, Zone/ZFS creation and mounting.
• Follow up change management procedure, solve Netcool generated tickets and help desk tickets (Remedy tickets).
• Primarily working on Solaris 8/9/10 servers, SunMC, Netcool and Remedy interface and solving any issue appear in the execution of the process.
• Installation and configuration of VERITAS Volume Manager, LVM, VERITAS File System and VERITAS Cluster Server.
• Work extensively on HA/Disk Volume Management with VERITAS Volume Manager/ SVM and VCS.
• Worked on data replication: suspend/break/re-enable.
• Worked on File Sharing Protocol, Data security, File management, Connect: Direct, SFTP and FTP.
• Creating user, groups, file system as request coming from different Government projects.
• Working on web server (iPlanet) redirect and SunMC installation as well as configuration.
• Working to upgrade SunMC for all DoITT Solaris UNIX OPS projects.
• Worked on to understand all UNIX components of ACRIS and migrated from Bearing Point environment to DOITT (Department Of Information and Telecommunication Technology) environment.
• Analyzed hardware and software implemented by ACRIS projects (Solaris, Linux, SAN and VERITAS Net-Backup) technical documentation extensively to migrate ACRIS project from third party (Bearing Point) to DoITT environment.
• Worked on ACRIS UNIX OPS Run Book and published on DOITT UNIX shared Services.
• Worked on script based file monitoring/NAGIOS and implemented Expect Script for user creation/modification as well as in data push in different server from centralized server.
• Worked on migration of script based file system monitoring /NAGIOS to SunMC.
• Extensively using Remedy to create Change Request (CR) and worked on CMR and followed proper process to validate and close CR.
• Worked on cron jobs for root, Pandora and Oracle accounts.
• Trouble shoots day to day issues on UNIX OPS system and user problems.
• Planning and implementing Disaster Recovery (DR) sites from the scratch.
• Worked on DR (Fail over/Fail back) from primary Data Center to secondary Data Center (DR site).
• Involved in on-call pager rotation for production support.
• Interacted with vendors for Hardware and software support.
• Troubleshooting Sun issues, logging call with vendors. Created service Request (SR) with SUN.
• Interacting with various teams such Oracle database, critical infrastructure, UNIX architecture, Wintel, IT security, Network/application support outside vendor (Bearing Point).
• Troubleshooting hardware issue which interface with SunMC, logging call with vendors.

Environment: Solaris 10/9/8, AIX 4.3, 5.1/5.3L, Sun E10K/15K/ F25k, Sun Enterprise 420R/280R/250/SSP Servers, Sun SPARC Enterprise T5220, Netra T5220, T1000, T2000 NAGIOS, SunMC 3.5/4.0, Sun StorADE 6130, VERITAS Volume Manager 3.2/4.1, VERITAS Net backup, VERITAS Cluster Server, Cisco fiber switch, SAN, Hitachi, DLT tapes, Oracle 8.1.7/10g, FileNet 3.6, Expect, Sendmail, Secure CRT, Cyclades etc.