SUMMARY:

• Accomplished UNIX system administrator with 13 years of experience in managing server infrastructures and data - center operations across multiple platforms (Solaris and Linux). Solid experience in Oracle engineered systems as well as with respect to firmware upgrade, patch up-gradation, maintenance, quality assurance and testing.
• Proven ability to create and deliver solutions tied to business growth and organizational development. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.

TECHNICAL SKILLS:

Hardware: Sun Ultra SPARC E25k/12k/15k/M9000/T2000/E6900/E4900/V890/V 240/440/480/490 ; SPARC Super cluster T4-4, T5-8, M6-32, Fujitsu Siemens prime power 2500, IBM system P series, Oracle Exadata; Oracle Exalogic.

OS: Sun Solaris 11/10/9/8, RHEL 6/5 & OEL 6/5, IBM AIX 6.1, OVM 3.2.8 .Windows 2003/2000

Database: Oracle 11g/9i

Software: Sun cluster, Solaris volume manager, Solaris custom jumpstart, Linux kickstart, Oracle 11g grid and Real application cluster (RAC), Veritas volume manager, Veritas cluster server, Veritas netbackup

Languages: C, C ++, SQL, Perl, Unix Shell scripting.

PROFESSIONAL EXPERIENCE:

Confidential, Reston, VA

Principal Advanced Support Engineer

Responsibilities:

• Working to deliver the UNIX (Solaris/Linux) support as L3 for Oracle engineered systems and the traditional systems round the clock to global customers.
• Storage Provisioning, Volume and File system Management using LVM/Veritas filesystems/Solaris OS in a SAN environment.
• Configuring network services such as DNS/NFS/NIS/NTP for UNIX/Linux Servers.
• Installed, Configured, and Administered Solaris Containers (Zones) & LDOMs for Solaris 11 servers.
• SRU update periodically performing on Solaris 11 servers via Live upgrade.
• Setting up UNIX/Linux environments for various applications.
• Monitoring system resources, logs, disk usage, scheduling and monitoring, backups and restore on Veritas Net Backup 6.5.
• Kernel configuration on the operating system for optimum performance.
• Initiate the service Interruption call with all stakeholders of the projects in case of any issues which affects the production and bring up the resolution based on the SLA associated with the service delivery.
• Troubleshooting and Trouble Analysis of operating systems with signs of degradation in resources and performance.
• Configuring and maintaining Oracle Enterprise Monitoring tool in order to monitor the infrastructure components.
• Instrumented Perl and Shell scripts for day-to-day tasks.
• Troubleshoot issues, developed procedures and performed change management.
• Working with Oracle MCSP ticketing system for the accountability of all deliverable.
• Administrating Exalogic virtual linux servers environment using EMOC.
• Clustering solutions for High Availability using tools such as Veritas Cluster Server (VCS), Sun Cluster.
• Excellent experience in managing RAC DB instances under Oracle 11g on Linux servers.
• Part of on-call rotational support for more than 50 customers around the globe and managing diverse teams consisting of application vendors and US-based support teams, including customer service groups to solve production incidents and provide prompt restoration of service to customers facing backend systems.
• Exemplified keen expertise in Oracle Engineered Systems Viz.., Exadata, Exalogic and SPARC Super cluster administration and patching which includes Linux/Solaris kernel upgrade, exadata software Image upgrade, ZFS storage appliance upgrade and Infiniband Switches upgrade for both cell and compute nodes irrespective of hardware type or racks.
• Applying reactive patches on Oracle Home and Grid Home for RAC DB instances in order to resolve the problem tickets. In addition, Providing L2 level database support by resolving incident tickets for global customer. Also, owning RAC database services availability for any OS or hardware maintenance activities involves the single or the whole Rack reboot.

Confidential

Technology Lead - Unix Infrastructure

Responsibilities:

• Being a part of UNIX operations Team, provided supports about 160 Development/Integration servers
• Installation and configuration of Sun Solaris 10, Veritas Volume Manager, Veritas cluster server.
• SAN Remediation work has been done on Solaris 8/9 servers in order to increase the LUNs availability.
• Installed, Configured, and Administered Solaris Containers (Zones).
• Patched the Solaris 10 /11 using Live upgrade and Oracle Linux 5 boxes at the latest patch cluster
• User account creation and account maintenance for various application through LDAP.
• SSH Installation, Kernel parameters tuning and installing locale packages on Solaris 9/10
• Perform all duties related to Solaris system administration NIS, DNS. NFS, SSH, user account maintenance, backup & recovery,
• Installation, configuration and maintenance of Veritas Volume Manager on Sun Solaris/Redhat Linux environment.
• Worked with SAN migrations team to bring the EMC disks online.
• Worked on Veritas Cluster 5.0 and 5.1 used on Solaris and Linux systems to manage the cluster.
• Install and configure VCS from scratch and provide the day to day support for the high-availability of the production applications.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Installation and administration of the IBM Rational Clearcase Servers.
• Worked with SAN, Oracle Database, and Network teams to ensure the smooth relocation of the servers.
• Configured the console servers and administered the accounts.
• Reconfiguring Consoles, NIC on the servers.
• Worked on REMEDY /Jeera ticketing system to achieve zero defect on UNIX deliverables.
• Created SOPs as part of the documentation for all change management tickets.
• Development of scripting tools for internal use for automation of some regular jobs using Perl and shell scripting.
• Worked interactively with middleware team on development environment as Unix Level 3 and supported their products Viz.., web logic, tibco and apache
• Managed Disks and File systems using LVM on Linux.
• Responsible for setting up NFS server and client, Telnet server, FTP servers, DNS, LVM, Samba installation and configuration.
• Reviewed existing Standard Operations procedures for all technical infrastructure.

Confidential

Responsibilities:

• As a part of UNIX operations Team, provided supports about 220 Production/Development/Integration servers.
• Worked on 24X7 on call rotation to support to avail critical production environments as Unix Level 3 and supported oracle database though VCS cluster.
• Upgrade of VCS and VxVM products periodically as per SOW.
• HORC configuration on every VCS resources for Remote fail-over to happen on other site in case of any issues on primary site.
• User account creation and account maintenance for various application through LDAP.
• Installing and Testing Monitoring Server tools such as BMC Patrol to Monitor resource usage.
• Software package administration, involving adding and removing software packages on SUN hardware like SF25K.
• Participated in the HDS to EMC storage migration project.
• Performed check out for the sanity of the file systems and volume groups and verified multipathing after EMC Micro Code update
• Adding new disks To Disk Group, Creating New Meta Devices, Soft Partitions & Extending File Systems for UFS, VxFS Commands for all Development, Business & Production Servers
• Worked on NFS clients to mount shares from the other Linux servers.
• Worked with Maximos ticketing system to resolve issues on servers
• Performed Problem Management and Change Management on LINUX and Solaris systems.
• Reviewed existing Standard Operations procedures for all technical infrastructure.

Confidential

Engineer - Server Management

Responsibilities:

• Administration, monitoring and scaling the production database, stand-in and application servers on 24*7 support.
• Monitored systems using tools like Sar, mpstat, vmstat, prstat, etc.
• Finalizing the backup policies and utilities for multiple systems, applications & databases with management and implementing the same.
• Startup and shutdown of all the Sun cluster resources, which includes disk groups, database and application software.
• Startup and Shutdown of ORACLE databases via sun cluster.
• Adding data file to the Tablespaces. Backing up the archive logs periodically and restoring on demand basis.
• Backup & Recovery using LTO1, DDS4, and DLT drive technologies respectively.
• Monitoring processes on the system, identifying and killing runaway processes.
• File System maintenance.
• Maintaining DR site database in sync with production database.
• Installing packages and patches as and when required.
• Adding swap space as and when required.
• Monitoring Sun StorEdge 6320, 6130 and T3 storage array boxes respectively.
• Monitoring SAN switches through SAN BOX Manager.
• Monitoring VERITAS Volume Manager using VEA and commands respectively.
• Created and modified shell scripts for automating jobs
• Patching them according to oracle standards and kernel upgrades as recommended by the dba’s for their applications.
• Coordinated with the Network Team and Oracle database Administrators to resolve issues
• Working with DBA’s to troubleshoot and maintain ORACLE Database
• Physically checking for the wellbeing of all the systems and inspecting SC messages of Sun Fire 6900 servers.
• Maintain a healthy environment within the team provide engineers with training and growth path.
• Prepare weekly and monthly MIS reports
• Suggesting different backup methods, automation of backup procedures in relation with Nature of the application.
• Maintain backups and monitor backup integrity using Ufsdump/ufsrestore Storage and backup.
• Interfaced with system engineers, network engineers, and systems analysts to resolve hardware and networking issues during system implementation and production.
• System monitoring and diagnosis of message logs, execute diagnostics and effect repairs.
• Monitor stability and performance of network and data storage services, ensuring 24x7 operations.
• As part of proactive projects, Patch assessments and installations have been carried out efficiently on all production systems.
• Involved in System Administration tasks on Linux/Solaris/NAS infrastructure running real time Oracle Databases.
• Client management like understanding and implementing required changes and new requirements on all systems located in data center.
• Architecture VERITAS snap backup solutions. This involves creation and configuration of snap volumes database cold and hot backups.
• Designed and deployed Solaris Cluster Environment using Veritas Cluster Server.
• Worked on large Data Centers and supporting Mission Critical Applications.
• Created Volume Groups, Logical Volumes and file systems using LVM and VxVM.

Confidential

Engineer - Customer Service

Responsibilities:

• Responsible for providing Technical Support on LINUX and Solaris platform for various clients.
• Installing and partitioning disk drives, creating, mounting and maintaining file systems to ensure access to system, application and user data.
• Installed patches and packages on solaris servers periodically.
• Performed check out for the sanity of the file systems and volume groups and verified multipathing.
• Reviewed existing Standard Operations procedures for all the technical infrastructure
• Worked on SUN servers running Solaris 9 for reconfiguration of sd.conf files before and after the relocation
• Gathering configuration information and hardware details for SUN servers
• Worked on NFS clients to unmount shares from the SUN (Solaris) servers that were moving.
• Troubleshooting on relocated SUN severs to bring them up in the data-center
• Reconfiguring Consoles, NIC on the servers.
• Worked on Veritas Volume Manager and Veritas file system.
• Worked with Linux, SAN, Sybase Database, and Network teams to ensure the smooth relocation of the servers.
• Worked on File-system Administration, clean up and space management
• Worked on procuring Hardware components from vendors
• Escalating hardware software issues to technical support providers including SUN and Veritas Software.
• Worked on Application server migration.
• Implemented different RAID level for maintaining data redundancy.

Confidential

Senior Engineer

Responsibilities:

• Installation and configuring Windows, UNIX (Solaris & Linux ) platform operating system.
• Consultant Services for customers and dealers include of system planning, network design, and provide solutions.
• Troubleshooting problems in Customer network, and Firewalls.
• Testing and implementation of new technology and equipments.
• IP DSLAM Testing, implementation and Migration
• Performance, Conformance & Interoperability testing of devices in network.
• Installed and configured SSH server and clients and configured NFS using Auto Mounter functionality.
• Tuned Kernel Parameters as required by applications also upgraded firmware of various hardware components on RISC servers.
• Handling training and performance related issues of the new employees
• Proficient in Routing, Switching, Wireless, Broadband and VOIP Solutions
• Deployed shell scripts to monitor and notify CPU and Disk usage.
• Allocated system storage and planned future storage requirements.
• User Administration
• Configuring Network Interface
• Maintenance and Troubleshooting of Win 9x Clients
• Maintenance of Documentation
• Monitoring & providing technical assistance for DSL operation.
• Responsible for setting up NFS server and client, telnet server, FTP servers, DNS, LVM and Samba installation and configuration.
• Extensive experience in planning, installation, administration and maintenance of LAN/WAN, analysis of network systems administration.
• Support and install application software supporting company manufacturing and distribution software.
• Plan, design, install and configure LAN/WAN as per organizational requirements, governed by communication protocols
• Configuration of Routers, Hubs, Modems and other networking devices.
• Played a key role in various Technology related projects which included Product/Vendor evaluation, Designing, Capacity planning, Implementations, Documentation, Training and Validation
• Extensive experience in the set-up of the Data Centre which included activities like routers, firewall, server, network, Wireless LAN configuration rack installation, routers/switches installation, UTP, Fiber cable laying.