SUMMARY

• Oracle Certified Professional with 8 years of experience on various flavors of UNIX Solaris and RHEL .
• Expertise in application, maintenance and support on Linux/UNIX production, Lab and Stage environments.
• Installed and configured Solaris 10/11 Linux 5/6 with Oracle Enterprise Manager Ops Center.
• Installed, configured and manage Big IP F5 Load Balancers 1600 1100 series as Active-Passive units.
• Configured and maintained up-to-date local IPS/YUM repository for Solaris and Linux client patching for production and lab platform.
• Troubleshooting and problem solving of Linux/UNIX servers, debugging OS failure, Apache, BEA Weblogic and storage issues.
• Experienced in working with SAN environment with Sun Storage Tek 2500/6100 Series and Oracle ZFS NAS Storage Appliance.
• Manage VERITAS Cluster Server 5.0 on Solaris/Linux servers performing manual failover, adding resources, service groups.
• Extensively worked on configuring WebLogic 8.x/9.x/10.x, Apache Tomcat and deployment of applications, Performance tuning including Troubleshooting and maintenance.
• Managed and administered BEA WebLogic Domains, Managed servers using Node Manager.
• Experience in configuring and administration of JDBC connection pools, JMS connection factories and clustering EJB Objects.
• Worked with WLST, Unix Shell Scripts, Ant Scripts and Perl scripts to automate system-admin jobs.
• Experience working with log4j and creating the cron jobs.
• Through understanding of VERITAS Volume manager, Solaris Volume Manager and ZFS.
• Experienced in shell scripting bash/Sed/Awk , automation of day-day routine tasks.
• Performed benchmark with load /stress test to identify bottle necks and optimize systems components.
• Expertise in diagnosing broad range of hardware issues, fault analysis.
• Relational database environment Oracle11g, SQL support. Resolving configuration and performance issues and end user support.
• Experienced in mentoring team members, managing risk proactively, reactively as appropriate in a timely manner with collaboration and excellent communication at all levels of management.
• Experienced in analysis of thread dumps, core dumps, server hang and high CPU utilization conditions.
• Independent problem solving and a good team player with strong interpersonal and communication skills.
• Experience supporting 24x7 production environments with on-call and weekend support.

TECHNICAL SKILLS

WORK EXPERIENCE

Confidential

System Engineer

• Integrate, deliver and support LTE-OTA projects for multiple wireless carriers in NORAM for In-House and Hosted Customers with geo-redundant sites.
• Installed and configured several wireless security projects involved with Solaris 9/10/11, RHEL5/6, Apache Tomcat, Oracle Weblogic Server 11g , BIG F5 Load Balancers, Oracle Database 11g , VCS and ZFS.
• Ensure maximum uptime of hosted/In-house environments including Prod, Lab and DEV environments.
• Assist L1/L2 and NOC Team with daily administration, operations and monitoring activities on the platform.
• Deploy major application releases and apply quick-fix patches to the application deployed on Weblogic. Involve in Change Control and planned Maintenance activities.
• Perform system Firmware Upgrades, kernel/OS patching on the all the platforms on routine basis in compliance with companies standard practice.
• Installed, configured and maintain Big IP F5 Load Balancers 1600 1100 series as Active-Passive Load Balancer on production and LAB platforms, apply patch fix as and when necessary.
• Worked with development, offshore and onsite teams to support build and release cycles.
• Involved in LTE-OTA migration releases 2.0-2.3-3.0-3.2 for multiple wireless customers.
• Proven ability in recovering highly business critical LTE-OTA application from crash provides RCA.
• Proven ability in recovering highly business critical production servers from system crash/panic or outages.
• Expertise in Troubleshooting technical issues in 3-Tier architecture in a Client UICC and Server LTE webogic server
• Manage VERITAS Cluster Server 5.0 on Solaris/Linux servers performing manual failover and manual site switch for geo redundant environments. Working knowledge of VERITAS Cluster Server, VERITAS volume manager, SVM and ZFS.
• Configuring, adding Oracle ASM disks to database server. Creating, managing raw volumes using ZFS Storage. Create ZFS Storage Pools for DB and application.
• Involved in pre-testing the Web-Service calls with SoapUI using end-points.
• Perform Non-Regression Testing to validate application functionality post major upgrade/patching.
• Perform benchmark testing on new deliveries to validate KPI's and identify bottle necks on the platform.
• Writing Shell Scripts for managing day-to-day transactions for automation of routine tasks
• Writing SQL queries to gather KPI's and statistics from the database
• Manage and Administer highly business critical SAN Network with Sun Storage Tek 2500/6100 Series, Brocade SAN Switches and Oracle ZFS NAS Appliance.
• Developed and implemented Maintenance Operations Procedures MOPS for software maintenance upgrades or changes to Application/Servers.
• Expertise in Diagnosing Hardware faults with Oracle SPARC T-Series, Netra-T, X3/X4 M-Series Servers and Sun StorageTek, Brocade San Switches and ZFS 7420 M2.
• Provided detailed LTE-OTA product training for several customers on site and online. Provided knowledge share for internal teams and junior engineers.
• Involve in customer meeting for delivery planning, involve in Gemalto internal discussions for continuous business improvements.
• Worked in highly stressful environment and perform multitasking efficiently.

Environment: Solaris 10/11, OEL 5/6, Weblogic Server 11g, Apache 2.6, OpenDJ, HTTP Chrome 204 Server Oracle Database 11g, Goldengate ASM, Nagios NGM Monitoring Solution, SOAP UI, Grinder Suite, POS Bridge, Mobile Tool Kit, SMSC Simulator,

BIG F5 Load Balancers 1600 1100 , Oralce Sparc T-Series, M-Series, X3/X4, Netra-T, Brocade SAN Switches, Sun Storage Tek 2500/6100 Series Storage and ZFS 7420 Storage NAS Appliances.

Confidential

Infrastructure Support Analyst Consultant

• Integrating and delivering a 24X7 Incident management support model for Enterprise Command Center Infrastructure Services, including Network Data/Voice , Distributed Server, Storage, Database and Distributed Applications , Batch Job Operations, Mainframe and Large/Midrange technologies.
• Provide L2 support to Retail Network Infrastructure Support consisting of: 25000 Telco circuits, 5100 Retail Branches, 16000 ATM locations 30000 servers 500k data ports for Data Voice.
• CA reports through NMS Dart for Network measurement, capacity planning, troubleshooting and performance tuning.
• Analyze, resolve, and co-ordinate technical problems in a enterprise distributed environment with Unix, Linux and Aix, Windows, VMware, Veritas VCS.
• Expertise and solid understanding of Netcool/WebTop and Element Managers such as Tivoli, Netview, Alarm Point and SMARTS, TEC Events Disk Percent, CPU-Load, Process Status, Host Down , Backup failure Batch job Issues etc.
• Created and Modified Cron jobs to suit the daily needs.
• Monitored disk space and administered File System thereby adjusting with the user's needs
• Unix support provided support for site system administrators for Sun Solaris, Linux.
• Vendor escalation, chase 3rd party vendors EMC, NetApps, IBM, Dell Hitachi for all the hardware issues on SAN/NAS. Maintain steady follow-up until the successful replacement.
• Managed Global SharePoint for data management, report design and data analysis to record and track management processes, along with an appreciation of regulatory requirements.

Environment: CISCO Routers 3800, 1800 Series, , IBM Netcool/WebTop Monitoring tool, Unix, RedHat, Windows, VMware ESX 3.x/4.x, Veritas NetBackup Puredisk Version: 6.5.1.2, ITPAM Service Catalog, Peregrine Ticketing System, Tivoli /Netview, Vendor Management, SAN/NAS, NetBackup 6.5/7, TAMS Asset Management and Alarm Point.

Confidential

LAN/Systems Administrator

• Providing 24X7 support to the Dealership IT Infrastructure consisting of over 300 Users in a windows environment. Assisting the Employees, Partners and business clients with the IT needs.
• Oversee administration of Windows Servers, exchange and SQL database servers. Perform installation Maintain complete network operation environments, including the operating system, service packs, ADP CRM, Dealer Socket, Web suite, Key Track and Hardware.
• Installed and configured mid-range Enterprise Servers and attended day-to-day system administration and installation duties.
• Setting up of the hardware, cabling and rack mounting of the Cisco switches and Routers.
• Manage Active directory objects. Create and manage user accounts, groups, policies and network permissions. Mail box manipulation through enterprise 2007 Exchange messaging server environment.
• Provided technical support and troubleshooting on various Cisco products including Routers, Switches, IP Phones
• Provide secure content management by monitoring the network activity throughout the company and restricting the unwanted sites and protocols to maximize the bandwidth.
• Administering web security through 3rd party application iprism blocking the unwanted sites and protocols to ensure maximum utilization of company resource.
• Maintain network access policies and procedures in compliance with SOX and GLBA for security and integrity of confidential data and personal information.

Environment: ADP CRM, Win Server 2008, Win 7, XP, UNIX, Linux, MS Office, HTML, XML, ASP, JAVA, IBM Servers, DELL servers, SQL, Cisco switches, routers, Logmein-Himachi, VM Ware, LAN/WAN, VPN, RDP.

Confidential

Sr. Technical Support Analyst

• Providing 24 7 IT Infrastructure support in all the Business Lines for Servers, Network, Business Applications, Midrange, Middleware, Exchange, Archiving and Monitor the Critical business applications.
• Responsible for resolving escalation of support tickets incidents and change requests raised by Global Local-IT and Service Desk teams.
• Support and Maintain Active Directory in an Enterprise with more than 108000 users. AD Migration, AD cleanup, OU cleanup, GPO review, Permissions.
• New user Active Directory Account and Exchange Mailbox setups. New user account setups for company windows based applications
• NTFS and share permission requests for company resources.
• Network, IP, servers, applications Monitor progress and take care of communication to all involved parties. Keep impacted business lines and SIMA informed of the regular updates.
• Assisted in Server maintenance related projects such as Security Patch rollouts and application version / patch rollouts
• Maintained network computer systems, performing troubleshooting, repairs and upgrades as required.
• Monitor the Critical business applications 24/7. Perform application-site availability for outages. Involve the appropriate team with in the standard SLA time. Work with Applications Management to identify root cause and tracks progress towards final resolution.
• Experience in playing a key role in implementing lean methodology and GDF in IBM.