SUMMARY

• Oracle Certified System & Network Administrator & Hadoop Administrator, currently working as a UNIX SME with 10+ years of IT experience which mainly includes Administration of Cloudera Hadoop, Solaris, Linux, Automation & Managing US Datacenter Operations.
• Expertise in Installation & Troubleshooting of UNIX Operating systems that includes Solaris, HP - UX, IBM AIX, Redhat Linux, SCO UNIX, HP True 64 & All Windows Operating Systems.
• Cloudera Apache Hadoop administration, deployments.
• Making Hadoop cluster ready for development team working on POCs.
• Hands on experience in configuring Hadoop Cluster and managing daemons.
• Checking Status, Copying Data between Clusters, Adding and Removing Cluster Nodes, Rebalancing the Cluster.
• General System Monitoring, Monitoring Hadoop Clusters, Common Troubleshooting Hadoop Clusters.
• Hands on experience on US Center of Excellence Datacenter Operations.
• Shell Scripting & Automation of UNIX scripts using 3rd part Automation tools.
• Quick learner with potentials to adapt multi-tasking, true team member/leader.
• Experience in Installation, Configuration & administration of VxVM & VERITAS Cluster Services, SUN Cluster and VMware ESX & IBM Lotus Domino Messaging Application.
• Installing Operating system and configuring prerequisites for Hadoop.
• Patch and Package management for Hadoop setup.
• Monitoring the cluster components.
• Loading data from Linux file system to HDFS.
• Install operating system, Hadoop updates, patches, version upgrades as required.
• Perform Hadoop Installation and Initial Configuration, Installing Hadoop, Hadoop Configuration, and MapReduce.
• Configure Hadoop Security, Securing a Hadoop Cluster with Kerberos.
• Managing Running Jobs, Scheduling Hadoop Jobs, Configuring the Fair Scheduler.
• Checking Status, Copying Data between Clusters.
• Adding and Removing Cluster Nodes, Rebalancing the Cluster.
• Cluster Upgrading, Cluster Monitoring and Troubleshooting.
• Installing, configuring and managing the Sun Solaris.
• Installing, Managing and upgrading patches and packages.
• Experience on file system and disk management.
• Managing the problems associated with boot process.
• Troubleshooting hardware and software failures on Sun Solaris.
• Managing NFS in client-server architecture with Auto mount feature.
• Hardware replacement and troubleshooting.
• Working knowledge on monitoring and scheduling tools like AutoSys.
• Install, configure and troubleshooting problems associated with Veritas Volume Manager.
• Creating volumes according to the production requirements.
• Performed growing and shrinking of the volumes.
• Root disk mirroring using Veritas Volume manager.
• Removing and replacing a bad disk in a Veritas volume manager.
• Install, configure and troubleshooting problems associated with Veritas Cluster Server.
• Troubleshooting VCS startup, service groups, and resources issues.
• Administering service groups, resources, systems in clusters.
• Controlling VCS behavior at the service group level & resource level.
• Bringing a resource/service group online and/or taking a resource/service group offline.
• Monitoring and troubleshooting resource/system/network link failure.
• Worked in US and Indian datacenter environments.
• Hands on experience in SUN Sparc Midrange & High-end machines, HP & IBM P-Series RISC Based Servers, HP & SUN Blade Servers, DELL, and Fujitsu Prime power, BULL servers, Intel Servers & SUN Storagetek Tape Libraries.
• Coordination between Network, Storage and DCO team to get the new Servers installed and make them production ready.
• Developing, deployment & scheduling the scripts on UNIX Servers using Bladelogic Automation tool.
• Resolving the Issues on Proxy and Firewall connectivity on Bladelogic Issues.
• Deploying the Patches & 3rd Party software from Bladelogic tool to all UNIX & Windows clients.
• OS Patching for Solaris & Linux Servers.
• SUN Entry-level/ Midrange & High-end Tape libraries, Fujitsu Entry level/Mid-Range tape libraries, Quantum Entry-level/ Midrange & High-end Tape libraries, HP & IBM Entry-level/Mid-range Tape libraries.

PROFESSIONAL EXPERIENCE

Confidential, Hartford

Account/Tech. Subject Matter Expert (Tech Lead)

Responsibilities:

• Providing 24*7 Operational Support & Services to Confidential Infrastructure for Server Maintenance, based on Incident and Change Requests in Level-3 Support.
• Planning and implementation of Disaster recovery testing’s for every quarter and implementing it successfully.
• Attending Weekly Cross-tower governance Calls & E-cab meetings with Confidential Management for Project Updates, Escalations and Critical change scheduled.
• Provide leadership to a team of 26 System Administrators across India rendering support on Global Infrastructure Services - Platform, for highly complex & mission critical production environment in various external and internal accounts in roles as Technical Lead.
• Perform Hadoop Installation and Initial Configuration, Installing Hadoop, Hadoop Configuration, and MapReduce.
• Configure Hadoop Security, Securing a Hadoop Cluster with Kerberos
• Managing Running Jobs, Scheduling Hadoop Jobs, Configuring the Fair Scheduler
• Checking Status, Copying Data Between Clusters, Adding and Removing Cluster Nodes, Rebalancing the Cluster
• Function as SPoC for second level escalations of various Solaris/Linux/Vxvm/VCS/Container/Zones issues.
• Cross functional co-ordination with other product line support teams, Storage, Network and Wintel.
• Service review and participate in Change Advisory Board Meetings.
• Deploying scripts & OS Patching on Solaris servers using Bladelogic Automation tool.
• Installation and Configuration of 3rd Party Applications like Websphere, Weblogic, Apache HTTP Server and Apache Tomcat etc., based on client requirements and maintaining the scripts for automation & scheduled jobs.

Confidential

Account/Tech. Subject Matter Expert (Tech Lead)

Responsibilities:

• Providing 24*7 Operational Support & Services to The Confidential Corporation Infrastructure for Server Maintenance, this includes new deployments, Upgrade of existing Infrastructure, Migration of Servers to the new Hardware, Storage Migrations & Automation using various Automation tools.
• Accountable for operational results in a 24X7 global environment in terms of group and department performance standards/metrics and customer satisfaction.
• UNIX Lead for a team of 15, dedicatedly working on Automation Projects using BMC Automation Tool.
• Identify the issues, understand the business environment provides input and make recommendations regarding Technical Support programs, tools, projects, process, metrics, standards and customers.
• Key focus on developing, deployment & scheduling the scripts on UNIX Servers using Bladelogic Automation tool.
• Coordination between Network, Storage and DCO team to get the new Servers installed and make them production ready.
• Handling multiple projects which include building Linux VMs under VMware, Linux Physical machines and making them production ready.
• Allocation of Projects to the team based on the skillset, tracking the progress of the projects and providing weekly update to the Client.
• Resolving the Issues on Proxy and Firewall connectivity on Bladelogic Issues.

Confidential

UNIX Lead

Responsibilities:

• Provide Operational Support & Services to Confidential Global Technology Infrastructure for Server Maintenance, Monitoring & Patching activities.
• Technical planning and leading a team of 20 members for UNIX and handling escalations in Technical front.
• Involved in Enterprise change management (ECM’s) and co-ordination with LOB’s to implement them successfully.
• Responsible for sending the daily, Weekly and Monthly reports to the Management, as per the guided timelines.
• Maintaining Server database to include for OS Patching and Firmware upgrades in order to schedule in each Patching cycle.
• Mentoring activities including helping fellow engineers solve problems.
• Major involvement in OS Patching & Firmware Upgrades of 7000 Servers (Solaris & Linux) approx., globally during the period of August 2010 - Nov 2010.
• Prepare & maintain Run Books & Process Flows of services and review them on on-going basis to ensure functional & procedural changes/amendments are tracked to avoid any process deviation.
• Engage in formal communication for all ECMS requests against agreed scope, specification & plan and be responsible for setting up clear communication channels across LOB’s.
• Obtaining the list of security vulnerabilities on the servers from ESM Managers and remediating them.
• Involved in Server Management, Consolidating reports, OS Administration, Patching & Firmware Upgrades, VMware ESX Administration and reboots, and risk remediation in UNIX based environment.
• Active role in daily and Weekly review meetings with the JPMC Higher Management.
• Understand the technical estimations set for new projects and prepare run books for same.
• Maintaining a track of servers on weekly basis, having vulnerability and resolving them at the earliest using various security monitoring tools like ESM Manager, HP Opsware, SunMc Monitoring tools.

Confidential

Oracle Support Engineer

Responsibilities:

• Oracle Support Engineer supporting SUN Entry-level/Mid-range servers & SUN Storage-tek libraries across India.
• Lead role in a team of 7 members in providing Customer support for UNIX, Hardware & IBM Lotus Domino level for the Major clients in India.
• Involved in completion of Major Successful Projects for many customers within the timelines provided in co-ordination with the OEM’s like SUN Microsystems, HP, Fujitsu etc.,
• Providing the Escalation Support for Field Engineering team, and resolving the issues before the SLA breaches.
• Involved in project reviews with the client on monthly basis, Understanding the requirement and proposing the technical solution, as per the requirement.
• Project implementations in coordination with various OEM Platform’s - SUN Microsystem’s, HP, IBM, Dell, Fujistu & SGI.
• Undertaking trainings for FMS & Field Engineers based on the Project criticality and requirement on UNIX & Hardware level.
• Handled Lotus Domino Cluster Servers on Linux, Windows & AIX platforms for the major clients in India.
• Working knowledge on HP Data Protector and EMC Legato Netbackup products.
• Maintaining 16-Node AIX 4.3 HACMP with Bull Escala Servers and Bull Storage at Vikram Sarabhai Space Centre (VSSC), one of the leading Centers of ISRO.

Confidential

Systems Engineer

Responsibilities:

• Lead role in a team of 8 members in providing Customer support for the Major clients across India.
• Installations on HP, IBM & SUN Servers with Windows, Linux & Solaris OS.
• Co-ordination with OEM brands for successful completion of projects.
• Providing OS support on Linux & Solaris platforms for different customers across India.
• Managing Antivirus Servers and Updating Security Patches
• Updating servers and workstations with latest service packs, security patches and antivirus definitions.
• Proving Field-Customer Support in installations and troubleshooting of Servers and UNIX OS.
• Support for Datacenter Infrastructure for various clients across India.