SUMMARY

• 12+ Years experienced and reliable Linux/Unix Systems administrator with the great ability to support the production servers with the full efficiency and dedication.
• Also great understanding of the issues related to the hardware and software with the profound ability to resolve the issues and problems.
• Collective work experience of 12 years 6 months including 4 years of onsite hands - on experience as a Linux Systems Engineer / Team Leader, Sr.Systems Administrator, IT Linux Systems Architect.
• Linux ES/AS, Oracle, Sun Solaris & HP-UX) Systems / Storage Administrator.
• Extensively worked on Hadoop infrastructure build in PROD/NPROD Environments.
• Extensive work experience in migration projects (OS migration/ Storage migration/Infra migration)
• Extensively worked with various Cisco computing products like UCS B220,240,440 and UCS C-series, Nexus1000V, NX-OS and UCS Fabric Paths.
• Responsible for OpenStack project core infrastructure internal projects.
• IT Infrastructure data center and applications support expert in 24x7 mission-critical environment.
• Multi-Architecture platform UNIX expert - Linux, Solaris, HPUX.
• Extensive experience with OCFS RAC file systems administration in Linux environment.
• Extensively worked with release Management & Capacity planning environment.
• Extensive experience on Web Application Support with JBOSS & Apache.
• Experience in automation of administrative tasks using UNIX shell scripts
• Expertise in installing patches, performing patch analysis, patches evaluation for various UNIX OS.
• Expertise knowledge in various server hardware maintenance / administration.
• Expertise in working with backup tools like, DBBS, Symantec netbackup creating backup policies and restoring.
• Extensively worked with BASH Shell scripting.
• Hands on experience in NFS, DNS, Samba, Squid with SmartFilter, Sendmail, POP3, IMAP, Tomcat and Jboss.

TECHNICAL SKILLS

VMware Technologies: ESX 4.X, ESXi 5.x,, vCenter 4.X, 4.1 and 5.5, vCenter Guided Consolidation, vCenter Orchestrator, VMware Workstation, VMware Player, VMware VDI 4.5, HA,DRS,SDRS,DPM and FT, vMotion and svMotion.

Operating Systems: RHEL4.x, 5.x, 6.x, Suse, Solaris 9, 10 and HPUX.

Third-party Tools: DBBS, Symantec backup exec, Commvault Systems, CITEIS, BMC remedy, TRS, RV Tools.

Database and Storage: MYSQL, SQL server8 / 9, oracle APP 11i, Oracle 11gR1/R2, EMC DMX and Clarion series, Brocade 4100 and 300 SAN Fiber Switches, basics on EMC VNX and VNXe, VMAX .

Hardware: Cisco UCS B & C series B-Series (B200,B220,B230,B420,B440) and Cisco C-series ( C200,C240,C260,C460) UCS blades. Sun Sparc E15K E3.5k, E450, E350 Ultra,, DL-380(DELL), HP BL20p, Celeron, Intel, Pentium, DELL power Edge 2850, 1850, 6800.

PROFESSIONAL EXPERIENCE

Confidential, Raleigh NC

Responsibilities:

• Large system configuration, systems troubleshooting and design, high level problem analysis and tool design.
• Member of integration team and design team to provide enterprise wide solution for both infrastructure and application solutions.
• Implemented Hadoop Infrastructure setup in PROD & NPROD Environments for Scalability/ Performance, Resiliency .
• Implemented MVDC ( Cisco IT Metro Virtual Data Center) .
• Developed and deployed the PAAS/IAAS systems for Cisco Enterprise.
• Part of Cisco Unix-Implementation core team to provide design solutions and ideas to improve the current architecture or any new solutions to clients.
• Working as SME to support large business unit within Cisco for any new solutions implement or troubleshooting in existing architecture.
• Having overall domain knowledge of various Cisco Vitural infrastructure products like Nexus1000V, Nexus 7000 and MDS/UCS Fabric paths.
• Extensively working day to day troubleshooting session with various vendors like RedHat/Oracle/Netapp/VMWare/EMC and Ciscointernal TAC team for UCS support.
• Having extensive knowledge in Cisco Cloud technologies and CEPH concepts.
• Responsible for various migration projects.
• Working with cross-functional teams to mitigate or design the robust infrastructure for Cisco Clients.
• Supporting ticketing tool within organization and managing team size of 30 SA’s.
• Started numerous initiative programs within Cisco Unix-Implementation team to fine tune our infrastructure provisioning and supporting them in affective manner.
• Responsible for various POC projects to provide solutions for our new initiativeby BU’s.
• Closely working with Cisco Engineering Team to gear up our infra solutions before Cisco hits Market.
• Performing day to day Linux SA tasks and troubleshooting within implementation support groups.
• Supporting overall Cisco release management infrastructure called ERMO (Enterprise Release Management Office).
• Working with various configuration management tools like Puppet, CITEIS, BigIP, RedHat Satellite server.
• Maintain and develop technical documentation and standard operational procedures
• Work closely with various IT operations teams to support and troubleshoot problems and issues
• Large system configuration, systems troubleshooting and design, high level problem analysis and tool design.
• Develop and maintain the documents, library and procedural documents of the system.
• Co-ordinate and work with netwotk& security engineers to build up the new Data Center.
• Developed BASH shell script to automate day to day system admin tasks.
• Worked with storage team to manage application and database migration using EMC clarion migration tools to migrate the Linux systems data.
• Response for root cause analysis and finding the resolution and implementing in various infrastructure level.
• Installed and Configured CISCO UCS B-Series Blades and C-Series servers from scratch.
• Installed and Configured vCenter4.X with Heartbeat, vSphere4.X on CISCO UCS B-Series Blades (B200 and B250) and C-Series Servers
• Installed and configured VMware SRM and supporting current environment
• Supporting VMware vCloud1.0 and 1.5 in current IaaS Environment for Prod and Non-Prod.
• Successfully migrated Virtual Machines and Virtual machines files using the VMotion and Storage VMotion
• Adding VLANs to UCS, ESX Hosts and Citeis Tool
• Updating Firmware on UCS Mananger, IO Modules and Fabric Interconnect without Downtime to the ESX Servers and Virtual Machines.
• Creating Service Profile, vNICTemplates and vSAN on CISCO UCS
• Installed and configured N1K in the environment.
• Migrated ESXi Standard Switches to N1k.
• Datacenter Migrations from one Site to another Site and DR setup to failover from RCDN to RTP and failback from RTP to RCDN
• Supporting the infrastructure with the ticketing system software such as BMC Remedy 6 and Remedy 7
• Updating documents and Wiki Links for UCS and VMware products
• Worked on CISCO custom application such as CITEIS, EMAN and Address Management applications
• Trouble shooting Network issues on VMs, ESXi, UCS, N1k and Physical Switches
• Generated reports of virtual environment using PowerCli Scripts.
• Conducting meeting with clients and working closely with other Teams to assist in planning, execution and tracking the projects to meet the project delivery dates
• Worked with Operations Team to complete the I-O Transitions and also worked with NW team to upgrade the N1k VSWs.
• Attended Roadmap meetings and building the virtual environment
• Automating ESXi Installs and Configuration
• Involved in Infra testing of the Virtual environment.

Confidential, Cincinnati, OH

Sr. Linux/UNIX systems administrator

Responsibilities:

• Responsibilities to co-ordinate with migration project stakeholders and perform the RHEL5 migration from existing RHEL3 & 4 Linux systems.
• Migrating the applications / services from solaris to Linux RHEL5.
• Working with HP Server automation (HPSA) for creating new software policy / packages to automate the Linux systems migration.
• Responsible for the support of the moderately complex data and also helps in the design and configuration of system landscape.
• Develop and maintain the documents, library and procedural documents of the system.
• Co-ordinate and work with netwotk& security engineers to build up the new Data Center.
• Extensive experience with maintaining SLA metrics in production environment.
• Platform designing & enhancement
• Responsibilities as Unix systems Administrator include monitor and tune systems to make sure of the optimum level of the performance.
• Keep track of the appropriate software and upgrade the software packages.
• Responsible for the support of the moderately complex data and also helps in the design and configuration of system landscape.
• Develop and maintain the documents, library and procedural documents of the system.
• Interact with hosting providers and clients to talk about the problems and new technologies to improve systems and applications performance and reliability.
• Experience in Oracle online netbackup tool configuration and RMAN script.

Confidential

Sr. HP-UX/LINUX Administrator

Responsibilities:

• Performed Hardware Migrations fromrpXXXX to rxXXXX integrity servers (rx8640, rx7640, rx6600) and superdomes (32/64 way ).
• Planning, Coordinating with application teams and performed OS upgrades from 11.11 to 11.23 and 11.23 to 11.31.
• Installation and configuration of new servers with ignite images. Configuration of MC Service guard and setting up continental Cluster Setup for (HA)High Availability.
• File system creation and management.
• TCP/IP configuration, network administration
• Application loading, system tuning etc.
• Swap space administration
• Kernel Tuning.
• System resources planning and utility management
• System performance and fine-tuning
• Applying PATCHES and updating Periodically
• Securing Solaris / Linux Systems.
• Performed various system security and file permission management
• Provided day-by-day Production support for Highly Critical servers

Confidential

HP-UX/LINUX Administrator (Level 1 & 2 support)

Responsibilities:

• Remote OS support (LVM, IGNITE,PATCHING, Online JFS for HP-UX/Linux).
• Single point of contact for UNIX Infra-Structure Team and Data Management Team.
• Create and update Standard Operating Procedures.
• Supporting BMC Control-M job scheduling software using Enterprise Control Station (ECS).
• Veritas Netbackup troubleshooting using remote tools and commands.
• Customer Interaction to understand and workout the optimum requirement and providing the technical support on the same.
• Change executor for planned and emergency changes on critical servers.
• Install and update patches for OS.
• Configure and Administer the NFS server and client.
• Creating/Migrating/Increasing/Reducing File systems.
• Performing disk management functions using LVM, Mirror disk/UX.
• Kernel tuning for the requirements of applications.
• Familiar with Auto secure Environment.
• Experience with Performance Tuning in HPUX.
• Experience in VERITAS Volume Manager 3.5/4.1 on Sun Solaris.
• Experience in Installation & configuration and Troubleshooting of MC Servicegaurd on HPUX and LINUX Servers.
• Administration and maintenance of BEA Weblogic Server 8.x.

Confidential

Support Engineer

RESPONSIBILITIES:

• Remotely supported more than 200 Unix Servers includes HPUX, Linux &Sun Solaris.
• Used Remedy based ticketing tool to attend customer calls as part of Incident Management with a priority of Urgent, High, medium, low where in metrics are predefined to each level of priority.
• Managing User account’s (Creating new users, setting up user environment, changing passwords, locking and deleting accounts.
• Software package/patch Administration involving adding software packages/patches and deleting software packages in Sun Solaris and HPUX.
• Backup and Recovery using tar, ufsdump, ufsrestore, cpio, fbackup and frestore..
• Troubleshooting NFS server, NFS clients in Auto Mount Environment.
• Exposure of OVO agents troubleshooting.
• Scheduling Jobs using Corn and at.
• System performance, monitoring and troubleshooting user related and server problems.
• Coordinating with on-call support personnel if human intervention is required for problem solving.