SUMMARY

• Overall 7+ years of IT experience in Administration, Installation, Configuring and Maintaining Windows, Linux and Hadoop clusters
• Experience in configuring, installing and managing Cloudera & MapR Hadoop Distributions.
• Experience in Managing Cloud based Amazon web services EC2 Instances.
• Experience in performing minor and major upgrades, commissioning and decommissioning of data nodes on Hadoop cluster.
• Good knowledge on Hadoop HDFS architecture and Map - Reduce framework.
• Analysing the existing Hadoop infrastructure and understanding the performance bottlenecks and provide the performance tuning accordingly.
• Experience with Installing Hadoop in new servers and rebuild existing servers
• Experience in using MapR Control Systems and Cloudera Manager for installing, configuring and maintaining Hadoop clusters.
• Experience in using full suite of infrastructure services like DHCP, DNS, KICKSTART and NFS Mount
• Experience troubleshooting and performance tuning skills
• Exceptional professional in Systems troubleshooting, documentation and Team leadership.
• Great experience in installing and maintaining Windows, Linux Servers and Hadoop Clusters.
• Experience in Data center Operations.
• Experience in Kernel based Virtual Linux installation.
• Experience in troubleshooting LAN and WAN infrastructure issues.
• Ability to work independently as well as in a team environment
• Excellent planning, analytical, problem solving and organizational skills.

TECHNICAL SKILLS

Hadoop Ecosystem: MapReduce, HDFS, HBase, Zookeeper, Spark, Hive, Oozie and Flume

Server: Windows Servers, Linux Servers.

Cluster Management Tools: MAPR Control System and Cloudera Manager.

Job Scheduler: Tivoli workload Scheduler, Job Scheduling Console

Server Management Consoles: Mercury (SaaS), BMC Patrol, Big brother, Intelliwatch, Tandem Dashboard, System Integration Web portal, TSS Citrix Health check Dashboard, Systems Insight Manager, IBM Tivoli Monitoring, Netcool, Nagios.

Languages: C#, ASP.net, Shell Scripting.

Databases: MySQL.

PROFESSIONAL EXPERIENCE

Confidential, NJ

Hadoop Administrator

Responsibilities:

• Creating and Administrating the Cloud based Amazon web services EC2 Instance.
• Decommissioning and commissioning the Node on running Hadoop cluster.
• Installed, configured and deployed a Hadoop cluster for Training, Development and Testing.
• Involved in Analyzing system failures, identifying root causes, and recommended course of actions.
• Monitored workload, job performance and capacity planning using MapR Control System and Cloudera Manager.
• Fine tuning Hive jobs for better performance.
• The Hive tables created as per requirement were internal or external tables defined with appropriate static and dynamic partitions, intended for efficiency.
• Performed various configurations, which includes, networking and IPTable, resolving hostnames, user accounts and file permissions, http, ftp, SSH key less login.
• Created volume groups, logical volumes and partitions on the Linux servers and mounted file systems on the created partitions.
• Performed benchmarking on the Hadoop cluster using different benchmarking mechanisms.
• Implemented Fair scheduler on the job tracker to allocate the fair amount of resources to small jobs.
• Deployed high availability on the Hadoop cluster quorum journal nodes.
• Deployed Network file system for Name Node Metadata backup.
• Performed cluster back using MapR Control System and Cloudera manager.
• Designed and allocated HDFS quotas for multiple groups.
• Configured and deployed hive metastore using thrift server.
• Deployed and configured flume agents to stream log events into HDFS for analysis.
• Performed deploying yarn, which facilitate multiple applications to run on the cluster.

Confidential, Walnut Creek, CA

Senior Production Control Analyst/System Admin

Responsibilities:

• Remote Server Support and Administration of high end mission critical production Servers.
• Monitoring 24/7 Availability of Citrix servers, health status and critical alerts.
• Ensure server data integrity by evaluating appropriate software and hardware solutions.
• Administer and configure Windows, Linux Servers, VMware virtual servers, User management and ACL, Domain structure configuration.
• Implement F5 Load Balancers.
• Install KVMs on Linux servers.
• Batch Monitoring and Scheduling through Tivoli Work scheduler.
• Manage and deploy system patches.
• Monitor server hardware, performance, and up time and respond to outages promptly. Document outage.
• Setup and troubleshooting VPN, Intranet, Citrix access, Application, and other various applications
• Escalate client impacting events through the Incident/Problem Management system as well as worked with appropriate levels of support to resolve issues.
• Change Implementation and track the change that is performed as required during Servers up gradation.

Confidential, Morristown, NJ

Senior Production Control Analyst/System Admin

Responsibilities:

• Gather Business Requirement from client.
• Maintenance of R/3 trace file, Create scripts for schedule requests.
• 24/7 Support documenting customer problem information, recommendations, and resolution in a clear and concise manner.
• Monitor applications for any threats to the application for any security issues, which create risks to the application.
• Maintain and document all incoming tickets and resolve within SLA.
• Monitor and maintain severs utilizing a variety of tools.

Confidential, Freemont, CA

Senior Production Control Analyst/System Admin

Responsibilities:

• Install and Manage Tivoli workload scheduler applications on distributed server environment.
• Maintain the server roles and application services in the Servers.
• Maintain 24/7 Server applications availability.
• Monitor the application schedules are as per the request.
• Perform In-depth analysis on the application risks.

Confidential, Freemont, CA

Senior System Operations Specialist/System Admin

Responsibilities:

• Monitor Regular health checkup for IBM hardware management software failures
• First Level Problem determination on Complex Servers.
• Validate IMA Services.
• Monitor Logical Disks Fragmentation Level, VMware accelerator adaptors availability, Health services heart beat failures. Server load balancing in the farm level, Configuration Unavailability, Windows IIS services availability

Confidential, Rochester, NY

Senior System Operations Specialist/ System Admin

Responsibilities:

• Monitor the availability of Exchange mail server alerts, memory usage on the servers. Missing Backup and Recovery
• Escalate on critical NODE DOWN alerts.
• Maintain Document for the all server and desktop related hardware and IP Connectivity.

Confidential

Senior System Operations Specialist/ System Admin

Responsibilities:

• Verification of software missing and Upgrade Patches.
• Administrating the ICE and ASSET TEC for the high level of monitoring.
• Track Critical alerts and resolve with the help of L3 support teams.

Confidential

Software Programmer

Responsibilities:

• Analysis and Requirement Capture.
• Develop of the front-end screens and the code.
• Create tables, stored procedures and generate reports using Crystal Reports.
• Test executions and reporting of defects.
• Deployment of the application in production.

Confidential

Trainee Programmer

Responsibilities:

• Create Tables and Stored Procedures.
• Report Generations
• Test case executions and reporting of defects.