SUMMARY:

• Over eight years of experience in IT Industry as a Unix/Linux administrator.
• Extensive experience in various types of Unix and Linux operating systems - SUN SOLARIS 8,9,10,11 REDHAT Enterprise RHEL ,CENTOS 4.x,5.x , SUSE Linux and HP-UX.
• Use Solaris jumpstart Linux kickstart to build both x86 64 and SPARC physical servers.
• Experience in implementing Logical Volume Management LVM , Solaris Volume Manager SVM on Linux and Solaris servers.
• Experience in server Virtualization technologies like Solaris Zones Containers and LDOMS.
• Involved in the building of Oracle RAC nodes running on both Solaris Solaris Linux machines.
• Storage administration on EMC Clariion, Symmetrix DMX VMAX arrays.
• Implemented and completed Switch Storage Migration activities in EMC SAN platform.
• Configuring and maintaining Sendmail and Internet Mail Services.
• Working with business to help resolve FTP, SFTP, SSH, Open SSH, password less connectivity, Sudo access related issues.
• Proficient in configuration and maintenance of Symantec Veritas Cluster Server VCS , failover test of VCS service groups and Linux High Availability Clustering.
• Installed and configured UNIX servers as TSM client using IBM Tivoli Storage Manager 5.3/5.4,6.1.
• Expert in installing backup software on servers using Netbackup 6.5.
• Troubleshooting any server hardware related issues for servers and storage, coordinate with vendor support to fix it.
• Weekly On call rotation in a 24/7 global platform support team. Handling Sev1 and Sev2 tickets during on call.

WORK EXPERIENCE:

Sr. Unix/Solaris System Admin Infrastructure Engineer

Confidential

• In March 2013, McGraw-Hill Education MHE officially became a separate, private company from McGraw-Hill Financial MHF . Although the two companies were separated on paper, most of their server infrastructure and network were shared between them. This project, Project Silver Surfer or the MHE Separation project is intended to physically separate MHE from MHF into new datacenter rooms. The overall intent is to keep the configurations like-for-like, but there are some things that are unable to bring over identically. This includes the network IP space and architecture, the VMware Farm, and the Solaris LDOM Farm.
• My role in the project included working closely with the release manager and project manager to build, configure, and test servers prior to each migration event for a datacenter migration. Task included building, administration and management of RHN Satellite servers. Deployment of RedHat-based environment RHEL 4 5 with PXE kickstart. Involved in the global virtualization project of data centers. Deployment, configuration and customization of ESX and vCenter servers Manage and maintain150 Virtual Machines. Create and clone additional VM as per client's requirements. Implementation experience with all high availability features of VI3 including VMotion, HA, Virtual SMP, DRS, Vswitch design, advanced performance troubleshooting, Command line utilities, working knowledge of the VMFS file system, creating clones, images and templates, resource allocation, resource pools, and system monitoring.Ability to implement VMWare's Virtual Switch technology port aggregation, NIC teaming /bonding,and VLAN trunking.

UNIX Systems Administrator Infrastructure Engineer

Confidential

• Thomson Reuters is the leading source of intelligent information for the world's businesses and professionals, providing customers with competitive advantage and is powered by the world's most trusted news organization.
• My involvement in this project was shut down the data center at Liberty, New York to the new DR location at Plano, Texas.
• Primary resource for moving all platform infrastructures from New York Liberty Data Center DR to Plano, Texas enabling cost savings associated with a large data center footprint. Once infrastructure is set up, configured and tested in new data center Plano . The Primary Production site OCP, Piscataway was then moved to Missouri DC. Moved Servers including components like Storage, Database, clustering and applications.
• Lead role in providing 24 x 7 Platforms support for around 4000 UNIX boxes Solaris, Linux moving to the new data center. Building and deployment of Investment Advisory I A platform systems for Data Center migration. Taking the server build plan created by the Architect team and perform server builds for various classes of servers including OS, patches, middleware and tools. Ensure that the server builds are done accurately and help troubleshoot issues in conjunction with I A Architect and Application Development teams.
• Worked with various Business Units support teams for the pre-migration requirements: Project Management, Proximity Services, Network, and Storage Design, Monitoring and application team.
• Help resolve latency issues between the data centers with the networking team.
• Provide data protection, recovery and business continuity test and validate disaster recovery
• and business continuity methods in UNIX environment.
• Worked with Storage team for data replication/migration between two and more Symmetrix arrays using Symmetrix Remote Data Facility SRDF . Providing emcgrabs to storage team and coordinate in VMAX migration projects in the new data center.
• Mounting the NFS shares on the UNIX boxes provided by NAS/Netapp team.
• Set console access for different hardware. Setting ilO for HP DL class servers and ALOM/iLOM/XSCF for baseboard management control for SUN/Oracle servers. Avocent DSView is used for servers which do not have any of the above baseboard management option.
• Tasks includes working with Site-Ops in racking and stacking servers, datacenter equipment and Ethernet /Fiber cable management, tape backups, monitoring datacenter environmental and day to day operations within datacenter infrastructure.
• OAT Operational Acceptance Testing on the hardware moved to the new data center.
• Decommission the end of life, end of warranty legacy hardware from the data centers and update Asset management systems reflecting the same.
• Worked on virtualization techniques as ESX and ESXi 4.1 5.1 VMware Vcenter P2V Migration: VMware Converter . Solaris 10 zones/containers and LDOMS Oracle VM Server for SPARC .
• Building and configuring HP UX Containers on HP Integrity boxes.
• Day to day system admin duties which included but not limited to working on OS remediation of servers. Involved in Firmware/ OS/ VERITAS upgrade working with vendor and Field Engineers on various hardware issues. Performed new server builds and configuration, OS and application upgrades, and patch installation.
• Created RAID disk groups, volumes, volume groups using VERITAS Volume Manager.
• Troubleshooting and analysis of hardware and software failures for various UNIX servers core dump and log file analysis setting up password less connectivity for application users.
• Troubleshooting and server support in 24/7 production environments.

UNIX Systems Administrator 2012 UKM Remediation Project:

Confidential

• Scope of the project: Tectia SSH Client is an enterprise-class solution for securing system administration file transfer and application connectivity in heterogeneous enterprise networks. Tectia SSH Client provides strong, FIPS 140-2 certified encryption and flexible authentication to address the critical security requirements of large organizations.
• Involved in the Tectia SSH Client implementation at Deutsche Bank. Tectia SSH. Open SSH and Universal SSH Key Manager together delivers a fully interoperable and scalable solution that allows saving time and money by eliminating the complex manual work required to manage enterprise SSH environments. This also helps in reducing the risk of unauthorized access from both internal and external actors, and by improving visibility and compliance.

UNIX / Linux Systems Administrator

Confidential

• Solaris System administrator with experience provisioning and troubleshooting infrastructure issues related to hardware, operating system, network and storage. Used Jumpstart/Kickstart to build servers Solaris/Linux .
• Extensive experience supporting Oracle Solaris boxes and SUN Hardware.
• Responsible for supporting Unix servers connected to SAN EMC CX700, CX480, CX320 and CX380 .
• Applied patches on all Solaris and on Linux Boxes from common repository using RPM.
• Worked on Solaris MPxIO, EMC Power Path configuration for SAN redundancy and involved in power path upgrades.
• Responsible for operational tasks like disk space cleanup, performance tuning, kernel tuning.
• Troubleshoot Network issues with systems. Setup link aggregation and IPMP on Solaris hosts. Add static routes to resolve communication between application servers.
• Used Perl, Bash and Korn scripts to generate CPU, memory load on the UNIX servers.
• Performed virtualization of Solaris servers using Zones and Containers. Created and installed LDOMs which include Controller Domain Host Domain or Primary Domain and applied latest firmware level installed on the system to ensure the hardware and hypervisor can communicate correctly.
• Implementation of EBS R12 with Oracle 10g RAC database on Dell x86 64 servers and Linux
• Platform.
• Designed and implemented sftp, ftp, SSH on UNIX servers.
• Syncing time on UNIX hosts with NTP server.
• Setup raid on systems disks using SVM.
• Replace disks in case of failure. Troubleshoot hardware issues. Upgraded memory and CPU with assistance from hardware vendors like Oracle, HP, Symmantec.
• Added Netback agents and modified bp.conf files to communicate with media servers.
• Configured file systems for installation of Oracle instances. Worked with DBA team during pre and post Database build support. Troubleshoot Oracle DB related OS issues.
• Build VCS clusters. Configure service groups. Test failover.
• Applied Oracle recommended patch clusters and VERITAS patches.
• Deployed new firmware to system.
• Monitored UNIX server for CPU Utilization, Memory Utilization, and Disk Utilization and tuned the UNIX servers and suggested solutions to the Application teams/Business.

UNIX Engineer / Linux System Administrator Production Support Engineer

Confidential

• AT T is one of the largest telecommunications companies in the world. Worked in the Bridgeton Production Support team that provides a critical role in the support of high profile, business critical applications.
• Configuration, Maintenance and Supporting 800 Servers Linux and Sun Solaris 2.8/2.9 2.10 servers.
• Back end applications were deployed on the Sun Servers and Weblogic Weblogic 8.1 Servers.
• Installation and Configuration of various VERITAS products VERITAS Volume Manager 3.5/4.1, VERITAS Cluster 2/ 3, VERITAS Netbackup 6. 0 checking VERITAS prerequisite packages, Installation of Maintenance Pack 2 MP2 for VxVMs 4.1 and VxFS 4.1 ASL, Hitachi Support for VxVM MP2.
• Installation of packages/patches and checking the integrity of the installed packages on Solaris/Linux/HP-UX servers.
• Providing Tier2 Production Support to Unix Developers and Unix Test Engineers to troubleshoot various issues and bugs after the Post releases.
• Installation and Configuration of Weblogic 8.1/9.2 on Solaris and Linux machines.
• Worked with DBA team to migrate Oracle from 9i to 10G.
• Task included software upgrades release management , patch management and deploying the new modules into production that were tested in test environments ST, UAT etc .
• Task included performance tuning, capacity planning, and tuning Application /OS and hardware for optimal performance.

UNIX Engineer / Linux System Administrator

Confidential

• Confidential with some 200 million Customer accounts. For Solaris I built quite a few machines from start and also upgraded a few from Sun-OS to Solaris. Overall for the UNIX platform did extensive installation of products by writing customized scripts and using Software Manager on Solaris.
• Provided 24 7 UNIX support for 800 UNIX servers connected to Hitachi and EMC storage including Solaris, Linux, AIX and HP-UX.
• Installation and upgrading of Solaris and Linux Red Hat 7.2 servers, both at the operating system and application level.
• Provided Support for Fixed Income application and batch processes running on UNIX servers.
• Installation, Configuration and Maintenance of VERITAS cluster server VCS for UNIX boxes.
• Worked on implementing Sudo on servers and providing root access for application users.
• Installed and configured VERITAS Net Backup 6.0 on UNIX hosts and worked with Netbackup team to troubleshoot various configuration issues.
• Involved in Power path configuration and administration.
• Diagnosed SPARC OBP Boot failure and recovery.
• Used tools such as SFTP, SCP to transfer files from one system to another.
• Upgraded the Production environment and performed the DR switches of the environments Prod/DR during the major quarterly release deployments.
• Secure Shell configuration, installation administration.

UNIX System Administrator

Confidential

• Confidential, Virginia based company and one of the nation's premier transportation companies. Task included customizing the company's product per client requirements. My work involved managing all the machines and most of them were UNIX based.
• Jumpstart installation on more than 50 workstations including installation, testing, tuning, upgrading, loading patches and troubleshooting server issues.
• Used most basic system administration tools and tasks, gracefully booting and shutdown the system, add and remove user accounts, use backup programs, perform fsck and maintain system database files groups, hosts .
• Installed and Administered VERITAS Volume Manager 3.5 on Ultra E250, E450, and configured RAID 0,RAID 1, RAID 0 1 and RAID 5.
• Responsible for all third party software installation and configurations LDAP, Apache, Weblogic 8.1, 9.0 and Websphere 5.0 , including hardware and software upgrades on Sun servers.
• Involved in disk configuration and disk crash recovery using format and fdisk. Bad spots on disk were repaired using repair and analyze. Created new slices, mounted new file systems and unmounted file systems.
• Setup cron jobs for disk space and monitoring of errors.
• Administration of Logical Volume Manager which involved creating and modifying file systems, Logical