Summary:

• A self-motivated results driven senior information technology (IT) professional with hands-on experience in many aspects of IT. Extensive experience in dynamic environments designing, implementing, managing, and supporting infrastructures with a focus on Unix/Linux Operating Systems and various tools, technologies & applications.
• Around 12+ years experience supporting Unix/Linux infrastructure with expertise in Sun Solaris, Redhat/SuSE Enterprise Linux, HP UX and IBM AIX Operating Systems.

Operating Systems (OS):

• Redhat Enterprise 5, 4, 3 on HP Proliant, Stratus, VMware guests and other x86 series servers
• Novell Suse Enterprise Linux 9, 10 on HP Proliant DL/BL series servers
• Sun Solaris 10, 9, 8, 7, 6 on SPARC servers E20k, E15k and other high end and mid level servers
• HP Unix 11.31, 11.23, 11.11, 11i on HP Integrity Superdome, Itanium & PA-RISC servers
• IBM AIX 5.3, 6 on p series servers

Virtualization:

• Solaris 10 based containers, zones (native & branded) virtualization technology
• HP UX virtualization using npar/vpar on cell based servers & HP Integrity VM
• IBM AIX hardware partitioning using lpar technology
• VMware ESX guests for Linux operating systems

High Availability and Clustering:

• Sun Cluster 3.x setup for Oracle Database, Solaris 10 zones and other applications
• HP Serviceguard Cluster 11.x setup on HP UX and Linux for SAP environment
• Stratus Technologies fault tolerant ft5700 servers running Redhat Enterprise Linux

Certifications:

• SCSA (Sun Certified System Administrator for Solaris)
• RHCSA (RedHat Certified System Adminfor Redhat Enterprise Linux 5)

Confidential, Wilmington, DE
Sr. Unix/Linux Contractor Jun 2010 - Current

Currently working at Chase, Wilmington DE as part of Chase Data Warehouse UNIX SA team to manage and support Unix/Linux server's infrastructure

Job involves:

• IBM AIX 5.3 and 6.1 servers installation, configuration & maintenance
• Maintenance of IBM P series P4/P5/P6/P7 cpu based hardware servers
• AIX upgrade from 5.3 to 6.1 using NIM server
• IBM GPFS clustering and HSM configuration for storage management with TSM
• SAS application support which is running on 16node AIX GPFS cluster
• Redhat Ent. 5 installation, maintenance & configuration running on HP BL and DL series hardware as well on VMware based virtualized servers
• Utilizing cobbler tool to automate Redhat Linux install & configuration using kickstart
• Solaris 10 LDOMs maintenance and configuration on Sun SPARC hardware
• Symantec's Enterprise Security Management (ESM) tool utilization to secure servers, hardening & taking precautions to resolve any security issues
• EMC Powerpath for multipathing support on AIX, Solaris servers and use of Linux multipath on Linux servers.
• Utilize Enterprise Change Control system to schedule server/environment changes
• Support to Oracle DBA as part of Data Warehouse team
• User accounts management, support various users to resolve their issues. Migration activities etc.
• Support SAS Business team for their issues
• DR testing and documentation
• On-call 24x7 rotational support

Confidential, Malvern, PA
Sr. UNIX/Linux Consultant/Contractor Dec 2006 - May 2010

Worked at Wyeth (now part of Pfizer) Pharmaceuticals as Sr. Unix/Linux Consultant on various infrastructure projects & Unix/Linux/VMware infrastructure environment administration

Job involved:

• Working as part of a Unix/Linux Technologies team to manage around 1000 Sun Solaris, HP Unix, IBM AIX, Redhat/Suse Linux & VMware servers
• Solaris 10, 9, 8 installation, configuration & administration on Sun SPARC & x86 hardware
• Solaris 10 Zones, Branded zones, Zone clustering using Sun cluster setup and configuration
• Sun cluster 3.x setup for Oracle database servers and resource group configurations
• Sun E15K, E2900, F4800, v890, T2000/T5220, M5000 and other sparc based servers maintenance
• Redhat Enterprise 4 & 5 setup and configuration on HP Proliant DL/BL series servers, Stratus servers & on VMware guests
• Suse Enterprise 9 setup and configuration on HP Proliant DL/BL series servers
• HP Unix 11i, 11.23, 11.31 installation, configuration & administration on Superdome based npar/vpar, HP PA-RISC and Itanium series servers for SAP environment
• HP Unix servers virtualization using HP Integrity VM
• HP Serviceguard Cluster 11.x setup, configuration, package creation & maintenance
• HP Integrity Superdome, PA-RISC and Itanium based HP servers maintenance
• IBM AIX 5.3 support on p series servers for TSM backup environment
• File systems configuration on Unix/Linux servers using their native lvm, SVM/disksuite or VxVM, Cluster file systems, Data migration and maintenance
• Using SAN arrays luns from EMC DMX/Symmetrix, HP XP/EVA, Netapp arrays and configuring them on respective OS utilizing ufs, vxfs, jfs, ext3 & zfs technologies
• Multipathing configuration using Sun MPxIO, EMC Powerpath, HP Securepath, Linux Multipath & Qlogic failover software
• Servers OS Upgrade/patching, Solaris live upgrade, Sun xVM, Vendor interactions, user permissions, sudo access, boot from san setup, hardware/software troubleshooting
• Handling tickets using HP Service Center & providing 2nd and 3rd level support
• Use of different tools like sudo, flash archive, jumpstart, kickstart, HP Ignite, ssh, samba, nfs, nis, centrify, ldap, lsof, rsync, lvm, veritas foundation suite, vxvm, vxfs, lofs, zfs, Sun xVM, tripwire etc
• Disaster Recovery (DR) planning and participation for various os/applications DR drill
• 24x7 rotational on-call pager support

Environment: Solaris, HP Unix, IBM AIX, Redhat & Suse Linux, AS/400, HP XP, EVA, Netapp & EMC SAN arrays, Oracle/MySQL databases, SAS. Virtualized environments based on VMware, Sol10 Zones, HP LPAR/VPAR & IBM LPAR, Sun Cluster & HP ServiceGuard Cluster, SAP, Documentum, Autosys, Apache, Tomcat, Weblogic app server, Sunone App server, Websphere MQ, HP OpenView, CA Spectrum, Centrify, Novell Edirectory, IBM TSM backup environment.

Confidential, Overland Park, KS
Sr. Unix/Linux System Consultant/Contractor Aug 2003 - Nov 2006

Worked at GE Insurance Solutions as consultant for Sr. Unix/Linux System Administration related duties

Job involved:

• Solaris 6, 8, 9 OS installation, configuration on Sun SPARC based hardware, E10K domains and other mid level Sun SPARC servers
• Redhat Enterprise Linux 3 and 4 setup and configuration on HP Proliant DL series servers
• HP Unix 10.20 on K series HP9000 maintenance & support
• Using VxVM, VxFS, Solstice Disksuite, Redhat LVM for file systems configuration on Solaris and Linux servers. Multipathing support using EMC powerpath & Sun MpxIO
• Sun Cluster 3.1 and Veritas Cluster 4.1 maintenance on Solaris servers
• Sun SPARC E10k, E450, V440, V880, V1280 and HP Proliant DL series servers configuration
• Sunone/Iplanet application server, Documentum, SAP, Netegrity Siteminder, Tibco, Apache, Jboss, Tomcat, Siebel, Autosys, Oracle database & applications setup, configuration & troubleshooting help to respective application teams
• OS patching/update, shell scripting, user access, sudo permissions, file system maintenance, data migration & other tasks
• Veritas Netbackup 5 utilization for backup/restore activities
• Servers monitoring setup & taking actions on alerts using Mercury Sitescope
• DR operation setup & participation at 3rd party site
• 24x7 rotational on-call pager support
• Technical Team Lead responsibility for Unix & Windows operations team

Environment: Solaris , HP Unix, Redhat Ent Linux, HP XP & EMC Clarion SAN, Veritas Volume Manager, Veritas File System, Sun Cluster 3.1, Veritas Cluster 4.1, Sitescope, Loadrunner, SunOne/iPlanet App Server, Apache, JBOSS, Tomcat, Siebel, SAP, Filenet, Documentum, Oracle, Netegrity Siteminder for Single Sign On, Veritas Netbackup 5 Data Center, Autosys, Tibco, Hawk

Confidential, San Francisco, CA

Worked at Netlojix client Societe Generale in San Francisco as System Administrator.

Job Involved:

• Sun Solaris OS Installation, configuration & maintenance on Enterprise sparc servers
• Configuration, troubleshooting & maintenance of Windows NT file & print services, PDC/BDC, DNS, DHCP, WINS, Lotus Notes client. Legato Networker for backup on Compaq DLT Tape Library. Redhat Linux installation, configuration and maintenance for customized application

Confidential, San Francisco Bay Area, CA
IT Consultant July 2000 - Aug 2002

During this period I worked for Intersoft clients IBM Global Service & Chevron on separate assignments

• System Administration related day-to-day job in installation/configuration/maintenance of Sun Solaris 2.6 & 7 servers running different applications based on Oracle database & other system services such as NIS, NFS, BIND DNS, Sendmail, SAMBA etc. Solaris user's creation, group permissions, patches implementation, network file & printing setup for domain wide use.
• Redhat Linux installation, configuration and administration.
• Windows NT 4 domain configuration/maintenance. Exchange Server 5.5 maintenance. Other network services like WINS, DHCP, RAID setup & configuration on Compaq & IBM servers.

Confidential, Muscat, Oman
Customer Engineer (Unix/Windows/Novell) Sep 1997 - Jun 2000

• Worked as System Administrator & Customer Support Engineer for Solaris, SCO Unix, Netware & Windows environment running on Compaq & IBM hardware
• MS Windows NT4 domain setup, Exchange Server 5.5 setup, installation and configuration.

Confidential, Mumbai (Bombay), India
Territory Manager/Sr. Customer Engineer Apr 1994 - Aug 1997

• Responsible for managing the Network & System support for different clients on the SCO UNIX & Novell Netware operating systems on Dell PowerEdge series servers.

Confidential, Mumbai (Bombay), India
Customer Engineer Oct 1992 - Mar 1994

• At Sunray, I was involved in Customer Support activities for Installation, Configuration, & Maintenance of Universe minicomputer running UNOS (AT & T compatible UNIX OS)

Education:

Bachelor of Engineering (4 year degree) in Computer Engineering