SUMMERY

Result-oriented Information Technology professional with strengths in Network Administration and Systems administration, strong skills in UNIX Solaris/ Red Hat Enterprise and Centos Linux ,installation, maintenance and troubleshooting, especially on the Solaris, Red Hat Enterprise and Centos Linux platform. Sell scripting, web technologies, and databases skills with performance and technical support. Fast learner and not afraid to face challenges and learning new technologies.

CORE STRENGTHS LIES IN

PROFESSIONAL EXPERIENCE

Confidential

• Performed standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution.
• Building new servers with respect to company defined policies
• Install and configure red hat enterprise desktop Linux 5.4, 6.0, 6.1 on HP workstation.
• Creating partitions on HP and Dell servers using Linux volume Manager LVM to create disk space.
• Working with developers and Data Base Administrators to load software onto Linux Enterprise servers as required.
• Created comprehensive user documentation as well as training for both clients and support staff.
• Troubleshooting issues in a Red Hat Linux Enterprise affected the customer's deadlines and productivity.
• Provided backup and restore solutions to the internal engineering environment.
• Successfully resolved several customer issues ranging from machine failure to operating systems issues affecting the engineering staff and outside customers.
• Completed several hardware and software upgrades as requested and approved.
• As part of the technical computing team, I worked with applications developers and other engineers to create innovative solutions for customer problems.
• Successful upgrades of the Red Hat operating system on over 100 workstations and computer servers in the enterprise environment.
• Participate in an on-call team rotation for off hours duties.
• Maintain application Dashboard for both UNIX and Linux reported issues.
• Maintained customer accounts and access to the compute environment.
• Troubleshooting Red hat Linux and UNIX related issues.
• Working on NFS issues like mount problems, deadlocks, check-autofs

• Checking application apache web Server and operating systems logs to troubleshoot web server and mail server related issues. Coordinate, monitor and troubleshooting to isolate and diagnose common system problems.
• Document system events to ensure continuous functioning and recommend course of action and implement as approved.
• Utilize standard corporate tools to record changes, service requests, and problem activities for tracking purposes.
• A solid understanding of networking fundamentals and security.
• Uncommon ability to work independently and as part of a team.
• System Network Administration: Troubleshooting and managing packages though YUM, RPM
• Open SSH administration, host and network security with iptables, Domain Name Service DNS
• Network Operating system deployment via DHCP, PXE, and kickstart, Network sharing with NFS, FTP, etc.
• Disk Management and partitioning tools like fdisk, VLM and disk quota.
• File system management using ext3 file system utilities mke2fs, e2fsck, and tune2fs and LVM.

Sun/Oracle Solaris Duties Responsibilities:

• Performed standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution.
• The data Center host approximately 300 servers ranging from midrange to enterprise servers sun Microsystems and HP and Compaq servers
• Periodic data center work racking servers, cabling as required, daily floor work through.
• Work directly with Sun Support solution Engenderers to solve hardware issues in the data centre,
• Regularly use Sun Service
• Monitoring server logs using monitoring tools.
• Advance Operating system Solaris installation using jumpstart technology.
• Solaris Zones: Creating, installing and configuration of zones Solaris virtual machines .
• Solaris server virtualization using Solaris 10 Zones .
• Check paging space as a part of trouble-shooting system for sluggishness. Adding or enabling server hardware such as processors/Memory for existing systems in support of sustaining maintenance or project work.
• Experience with Zone under Solaris 10, and Service Management Facility SMF under Solaris 10
• Ability to communicate problems and solutions both verbally and in writing to customers and management.
• Responsible for troubleshooting basic problems with root cause analysis.
• Responsible for System administration of Unix Servers Solaris to include installation, patch maintenance, performance tuning, monitoring results of cron jobs, hardware/software installs, upgrades, and relocations to ensure no operational impacts occur.
• Maintain and update documentation on the operating systems configuration
• Server performance monitoring and troubleshooting for server related problems.
• Solaris 10 Performance Monitoring - iostat, vmstat and netstat.
• Work closely with Unix mid-level and senior administrators
• Provided system support for entry level and midrange Sun servers, including routine maintenance, patching, system backups and restores, software and hardware upgrades.
• Systems CPU Monitoring ps, uptime, top, prstat, sar etc.
• Solaris 10 Network configuration and Monitoring
• Enabling network cards, configuring ipaddress, configuring virtual interfaces, Router Configuration.
• Observing operational statistics for various network protocols.
• Performed regular monitoring, tracking and management of incident tickets linked to the Data Center from Help Desk HD and ensure all tasks required to solve incidents are carried out professionally.
• Monitoring servers by using monitoring tools NetIQ and SiteScope, Syslogng and daily floor work-through.
• Work directly with Help Desk in solving customer and systems problems ticket issues .
• Assist other systems administrators to troubleshoot IM tickets received from Help Desk and Automated tickets as well.
• Responsible for weekly schedule maintenance for the Content Management Applications Servers.
• Applications. Recovery from System hung/panic systems Resolving installation and boot failure troubleshooting. Analysis of system performance. Disk error troubleshooting. Adding additional swap space/Swap issue troubleshooting. New File system creation, adding/changing mount points, directories Changing file/directory permissions Resolving disk errors on different sun hardware environment.

Environment: Rebuild servers, Configuration Upgrades for existing servers. Conduct diagnostic activities/testing. Diagnose of OBP Boot failure and recovery. Patches Packages- Install and maintain operating system patches,

Legato Netbackup:

• Responsible for tape withdrawal from tape library and preparing tapes for shipment with FFC.
• Tape receiving and storage.
• Perform tape library responsibilities including labeling, storing, changing tapes, and offsite preparation

Automated Tools Used:

NetIQ, SiteScope, Peregrine Ticketing Service Carter, Cisco VPN, WMWare, Dame Ware, NetIQ

Systems monitoring tools:

sar, vmstat, iostat, mpstat, netstat.

Network monitoring tools:

netstat, traceroute, ping, ifconfig, snoop, tcptop, kstat, etc.

VMware Environment Duties:

• Daily rebooting of servers that are down and provide root course analyses for any incident that arises in the environment.
• Monitoring and provide 24/7 virtual servers support making sure that all virtual box servers are up and running.

Technology Resilience Disaster Recovery Duties:

• TCP ACP creations and daily update using Planner Tool SunGard Availability Service .
• TCP Plan Management and Approval Performed the Annual TCPs reviews and approvals for all TCPs in our environment, making sure that all applications are compliant as required.

Tabletop Exercise Performed the annual Tabletop exercise for applications.

Application Dependencies Complete, review and Assigned application dependencies where necessary for the L2 support team as required.

Call-List -

• Performed Functional Test Exercises for all Tier 0, 1 and 2 applications as required.
• Perform periodical notification Exercise for L2 and L3 support team as required.
• Create and update Call-list for L2 and L3 support team.
• Projects Completed:

The 2010 2011 Data Center Migration ID Swamp

• Acted as the POC for the UNIX team for the Data Center move ID Swamp project for all Applications and Servers that are in line for the 2011 2012 Data Center move.
• Create Shakeout, reviewed test, cases and coordinate the creation and submission of all Shakeout test cases for the Data Center Move project.
• Provide all information required by the IBM questionnaire form for all applications and Servers that are in line for the Data Center Move.