SUMMARY

• 8+ years of development experience in Perl Scripting, UNIX Shell scripts Java and OOPS.
• Played major role in complete SDLC starting from design, requirement verification, system integration, developments, testing, automation, builds and deployment
• Experienced with Agile development, scrum methodologies and waterfall development model
• Achieved about 90% test automation of the complete use cases to increase accuracy and productivity
• Solid experience working on multiple OS platforms (RHEL, SLES, and Windows) and integration
• Expert in Solaris /Linux patching and Upgrade
• Excellent experience with networking communication skills and protocols such as TCP/IP, NFS, DNS and SMTP.
• Excellent experience with Configuring and Administering NFS, NIS, DNS, FTP on Sun Solaris server environment.
• Solid with problem determination and troubleshooting, Security using SSH and Shell Scripting.
• Knowledge on Automation Software maker Opsware.
• Excellent experience with managing and maintenance of Veritas Volume manager and Veritas Cluster server.
• Good experience with File system administration, software RAID solutions using Veritas Volume Manager3.5, Veritas file system and LVM.
• Knowledge on SAN infrastructure, System Clustering and Active Directory.
• Excellent with planning, documentation and supporting high availability, data replication, business persistence, fail - over, fail-back and using Veritas Cluster Server in SAN environment.
• Solid experience with managing user accounts, system security, performance tuning, change management.
• Excellent skills in analyzing, designing, implementing and system integration, Knowledge on Switches, Routers, Firewalls, Intranet.
• Solid with writing Shell scripts for system maintenance and automation of server.
• Good knowledge on disk and File system management through Veritas Volume Manager & Solstice Disk Suite on Solaris.
• Excellent with allocating system storage and planning future storage requirements, Database Backup and Recovery, Exporting and Importing Database, Creating Database triggers for security & data manipulation, using SQL* Loader for data transfer from flat files to oracle database.
• Supported Data Center Operations (Sun, IBM Bladecenter, Confidential Blades) for Risk Management organization, which consisted of system builds, kernel patch upgrades, software installation (Websphere, Oracle, Open Source), account management, system & network troubleshooting, system backups.
• An excellent team player & technically strong person who has capability to work with business users, project managers, team leads, architects and peers, thus maintaining healthy environment in the project.

TECHNICAL SKILLS

Firewall: Symantec, Cisco Checkpoint

Web Technologies: HTML, XML, JSP, JSTL, XML/XSLT

Clusters: Veritas Cluster, Sun Cluster

Tools: Solstice Disk Suite, Remedy, ESM VERITAS Volume Manager, LVM, VERITAS Net backup5.0, 6.0 Confidential Service Manager

Operating Systems: UNIX, Sun Solaris 7,8, 9 & 10, Linux RedHat ES, Confidential -UX 10.x/11.x,ME, XP, Windows NT4/2000 & 2003 - Server OS, VISTA

Hardware: Sunfire V440/880, Sun E4500, E10K, 15k, IBM F-Series and P-Series, IBM RS6000, Sun Storage Array D1000, A5000, T3,Storagetek L700, Web logic, Printers, Tape Libraries.

Version Control: CVS, PVCS, and Clear Case

PROFESSIONAL EXPERIENCE

Confidential, Middletown, NJ

Sr. Linux Admin

Responsibilities:

• Systems monitoring and administration of Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software up gradation, configuration changes and documentation.
• Involved with installation of patches and other software packages
• Upgraded the OS level patches 8 to 9 and 9 to 10
• Monitored System performance and did kernel tuning to enhance the system Performance
• Performance monitored Solaris/Linux workstations, servers, and peripherals
• Planned, installed and configured operating system on new Sun Servers and Linux Servers
• Troubleshoot in house applications, 3rd party applications and supported IT infrastructure.
• Installed Oracle Patches, troubleshoot, created and modified application related objects, created Profiles, Users, Roles and maintained system security.
• Used MAXIMO tool for creating Change Requests
• Worked with Vendor management like Oracle, IBM, Confidential
• Developed various UNIX & Linux shell scripts to monitor & automate the processes.
• Involved with Installations, Configurations, Troubleshooting Solaris & Linux.
• Managed, Administered, Installed and Upgraded fleet of 600 Servers running on AIX, Solaris 10, Solaris 8 and RedHat Enterprise Linux.
• Upgraded the OS level patches/LPARs to the systems to make sure they are current.
• Dynamic resource allocation administration on P690 LPARs.
• Upgraded UNIX servers, disks and tape drives to recommend Microcode/Firmware levels.
• Involved with capacity planning of disk space and hardware resources required for production and development machines.
• Installed and Configured Solaris as a Samba Server (v-2.0.7) and integrated UNIX Network with Windows 2000/NT network.
• Implemented Windows 2003 AD infrastructure for the new Data Center.
• Installed and Administered Windows 2000/2003 server for various applications
• Did Application integration (IIS,.Net, Jrun, MSMQ, Com Components, Messaging, Siteminder, etc)

Environment: Solaris 8/9, Linux, Confidential -UX, SUN Enterprise Servers Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880,E240R, E420R, A1000, D5000, EMC Storage, EMC Powerpath, VERITAS Volume Manager 4.X, Shell scripting, Perl scripting, SENDMAIL Protocol, Tape drive

Confidential, Herndon, VA

Sr. Linux Admin

Responsibilities:

• Installed Solstice Disk suite 4.2 & administered Solstice Application Products on SUN machines
• Implemented RAID 0, RAID 5 and mirrored the Root Disk for redundancy of the Operating System.
• Installed and Administered Solaris 8, 9 and 10 and using Jump start server and Linux Operating System using kick start including performance monitoring, scaling and capacity planning and hardware maintenance of Sun fire servers.
• Used Confidential Service Manager Tool for creating Change Requests.
• Involved with Web Site Hosting on Linux (Apache), NT (IIS)
• Worked on LPAR, DLPAR, HMC, Micro partitioning and VIO servers
• Performance monitored Solaris/Linux workstations, servers, and peripherals
• Planned, installed and configured operating system on new Sun Servers
• Troubleshoot in house applications, 3rd party applications and supporting IT infrastructure
• Provided day-to-day user administration like adding or deleting users, password aging
• Documented instances of system integration, design, modify architecture diagrams for all environments.
• Installed Apache, Web logic and Tomcat Web servers
• Created SSL certificates for windows servers and Solaris/Linux Servers
• Developed UNIX shell scripts using Korn, C Shell, Bash Scripting and Perl including installation, upgrades and configuring storage devices
• Participated in process change requests and change management meetings
• Coordinated with Core Network/Application team for successful migration
• Implemented and administered VMWare ESX/GSX infrastructure
• Implemented System, Security & Network monitoring tools for data center server
• Installed, supported and administered network environments.
• Monitored & administered Systems Servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software up gradation, configuration changes and documentation

Environment: - Solaris 8/9, Linux, Confidential -UX, SUN Enterprise Servers Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880,E240R, E420R, A1000, D5000, EMC Storage, EMC Powerpath, VERITAS Volume Manager 4.X, Shell scripting, Perl scripting, SENDMAIL Protocol, Tape drive

Confidential, Alexandria, VA

Unix developer/Admin

Responsibilities:

• Provided assistance in installation and support for Sun hardware and software products including installing version or release upgrades to existing installed software base.
• Interfaced with the Sun local support team when an escalation requires special attention
• Installed and Configured Veritas Volume Manager 3.0 and Configuring and managing Veritas file Systems. RAID implementation using Solstice Disk Suite and Veritas Volume Manager
• Created user accounts, taking backups and restore
• Scheduled Backup and Restoration using Veritas Netbackup
• Completed Backup and restoration using Veritas Netbackup
• Completed Tape Library Maintenance. Backup Server, Jukebox and Client Setup
• Loading and labeling of DLT tapes into Jukebox. Check logs and restart failed backups.
• Work Procedures in Creating/ Resizing/ Shrinking VERITAS (Volumes) File Systems
• RedHat Virtualization (Cloud Computing) for Servers using unlimited amount of memory, cores or any other feature of the physical hardware in virtual machines and offers unmatched scalability in the management of large numbers of virtual servers.
• Installed and Administered RedHat Virtualization Hypervisor, Servers & flexible using command line functions to setup and manage virtualization tasks
• Installed and maintained Applications and 3rd party software. Supported all the users who use the Applications and systems
• Involved with Installation of database servers, using Oracle/Sybase/Informix/db2, creates raw partitions for the database, Create filesystems, configure database to the application
• Involved with installation and configuration of Netscape/Iplanet/Appache Webserver and Application Server and maintaining them
• System performance checking such as socket monitoring, CPU usage, process checking, file system monitoring, Disk maintenance etc
• Wrote UNIX Shell Scripts to Automate several tasks which does System Hardware/Software Info, Online/Offline Backups, Alternate BootDisk Creation, Veritas DiskGroup/Volume/FileSystem consolidation & many more application related
• Installed and configured maintenance Level Patches Application S/w and support Users
• Installed database servers, using Oracle/Sybase/Informix/Siebal, udb-db2, created partitions for the database, Created filesystems, configured database to the application servers
• Upgraded Solaris 9 servers to Solaris 10 using Jumpstart live upgrade installation
• Installed, configured Weblogic on UNIX servers. Maintained and Upgraded Weblogic and Kernel tuning. Installed weblogic Domain applications on servers, starting/stopping domains
• Administered file systems recognizing file access problems and Disk problems using Veritas Volume Manager and Veritas Filesystems

Environment: Solaris 8/9, Linux, Confidential -UX, SUN Enterprise Servers Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880,E240R, E420R, A1000, D5000, EMC Storage, EMC Powerpath, VERITAS Volume Manager 4.X, Shell scripting, Perl scripting, SENDMAIL Protocol, Tape drive

Confidential, Houston, TX

Unix developer/Admin

Responsibilities:

• Installed, configured & administered Global/Sparse Zones and LDOMS on Solaris 10 Servers.
• Resource pool administrating Containerization includes creating pool-sets, associating pools to psets and transferring the resources (CPU) in between the Zones.
• Worked with Linux Cloud Computing using Hypervisers/VirtualHosts, featured virtualization management solution for servers that provide fully integrated management across virtual servers featuring live migration, high availability, system scheduling, power management, image management, snapshots, thin provisioning, and monitoring.
• Created the Virtual Hosts, securing the users to it, assigning the IP Address, bringing the Virtual host in the DNS, creating the FileSystems etc.
• Provided assistance in installation and support for Sun hardware and software products including installing version or release upgrades to existing installed software base.
• Worked on Solaris 10/9/8/7 and RHEL 5/6/7, installation/administration & maintenance
• Acted as liaison with manufacturers and vendors of software an application products and clients, especially with regard to problem diagnosis and resolution.
• Planned and executed software version upgrade releases and custom interfaces.
• Maintained service accounts with the proper security, login IDs, and email, and maintains NIS, NFS, DNS, and automount processes.
• Developed, implemented and maintained proper backup procedures and disaster recovery plans.
• Supported team members, management, and clients on questions and problems with hardware and software.
• Coordinated, installed, and maintained centralized network resources that connect the company's servers to the LAN and WAN.
• Analyzed network traffic and protocols for potential problems and/or increasing performance of the network.
• Measured and reported system availability statistics and resource utilization to Team Leader, management, and clients.
• Recommended, scheduled, budgeted, and implemented resource modifications and upgrades.
• Acted as a liaison between clients and Information Systems for applications, needs, and support.
• Function as recognized expert on AIX/LINUX UNIX maters both inside and outside the department.
• Provided 24-hour on-call support, including evenings, weekends, and holidays.
• Worked closely with other System Administration team members to provide technical advice and resolve problems.
• Worked closely with other IT team members to provide technical advice and resolve problems.
• Worked closely with Support Desk team members to provide technical advice and resolve problems.

Environment: Solaris 8/9, Linux, Confidential -UX, SUN Enterprise Servers Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880,E240R, E420R, A1000, D5000, EMC Storage, EMC Powerpath, VERITAS Volume Manager 4.X, Shell scripting, Perl scripting, SENDMAIL Protocol, Tape drive

Confidential

Unix developer/Admin

Responsibilities:

• Worked on Oracle Solaris 10 and Solaris 11 installation and configuration
• Worked with Solaris virtualization in both logical domains and zones
• Worked with SAN storage and fiber channel environments & clustered file systems
• Involved with ZFS file system and configuration.
• Worked on installation, configuration of RedHat Enterprise Linux & its Kickstart process
• Wrote shell skills on Perl, shell and Python
• Worked with Security Technical Implementation Guides
• Assisted with automation functions (Perl, Expect, JSP, XML, Bash Shell Sripting)
• Monitored OS support for AIX, Linux (Red Hat, SELS, Centos) and Windows
• Worked with Sun Cluster, Veritas Cluster, Veritas Volume Manager and Veritas File System expertise with Bind Name server (DNS) for internal and external name resolve
• Worked on UNIX servers and the operating systems software and its successful integration with the hardware and applications software of the major computing systems across the organization
• Planned, tested, installed, and integrated new and upgraded versions of the relevant operating systems on organizational computer systems, all third-party software components, and subsystems
• Developed test plans and procedures. Tested and integrated software and hardware.
• Worked on Disaster Recovery, High Availability and Site to Site Replication
• Maintained and supported 2003/2008 Active Directory infrastructure (to include integrated DNS and DHCP services)
• Established procedures for maintaining user accounts, assigns file permissions and establishes password and account policies; installs, upgrades, configures, tests, maintains and supports operating system software in a production environment.
• Responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure.
• Troubleshoot and resolved complex system hardware, software and communications problems
• Created shell programs and utility scripts, performed configurations and adjustments to enhance database file capacity
• Performed automated and manual backup and restore processes. Participated in technical research and development to enable continuing innovation within the infrastructure
• Ensured that system hardware, operating systems, software systems, and related procedures adhere to organizational values
• Performed and oversaw daily system monitoring, verified the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verified completion of scheduled jobs such as backups.
• Performed and oversaw daily backup operations, ensured all required file systems and system data are successfully backed up to the appropriate media, recovery tapes or disks are created, and media is recycled and sent off site as necessary

Environment: Solaris 8/9, Linux, Confidential -UX, SUN Enterprise Servers Sun Fire Servers - E15k, 1280, 6900, V440, V490, V880,E240R, E420R, A1000, D5000, EMC Storage, EMC Powerpath, VERITAS Volume Manager 4.X, Shell scripting, Perl scripting, SENDMAIL Protocol, Tape drive