SUMMARY

• I have 10 years of experience in the Information Technology industry, providing companies with technical solutions to support business goals.
• Extensive background combining both systems integration and operations procedures, along with a keen understanding of customer service and requirements.
• Highly efficient at problem solving and process improvement. Can adapt well to hanging priorities while managing scope, time, and budget constraints.

TECHNICAL SKILLS

Operating Systems: RHEL, CentOS, Ubuntu, SUSE Linux

Hadoop Distributions: Cloudera, Pivotal HD, Hortonworks, IBM Big Insights

Web Servers: Apache2, Apache Tomcat, Jetty

Database: MySQL, PostgreSQL, Oracle

VoIP: Asterisk, FreePBX

Firewall: Iptables, Sonicwall

Virtualization: Docker, Open Vz, KVM, Citrix Xen Server.

Public Cloud: Windows Azure, Rackspace cloud, Amazon, TATA Instacompute.

Private Cloud: Cloudstack, Eucalyptus, Openstack.

Mail Server: Postfix, Sendmail, VMware Zimbra

Scripting: Bash, Python, Php

Monitoring ToolsGanglia, Nagios, Wireshark, Tcpdump:

Automation tools: Puppet, Jenkins

Version control: Svn, Git

BI Tools: Pentaho Server, Datameer, Informatica.

Data Visualization: Spotfire, Tablue, D3js.

Other Services: LDAP, MIT Kerberos, Red hat IPA.

PROFESSIONAL EXPERIENCE

Confidential,High Point NC

Bigdata DevOps Engineer

Responsibilities

• Maintain Hortonworks Data Platform and Hortonworks Dataflow environments.
• Implementing Hadoop Security on Hortonworks Cluster (Kerberos, Two - way SSL, Knox, Ranger)
• Hadoop Performance tuning and optimization.
• SAML SSO Integration with CAS server (Knox SSO, Tableau, Zeppelin)
• Automating day to day operations.
• Designing and Implementing Highly Availability in Hadoop environment.
• Implementing data Visualization tools (Pentaho, Tableau)
• Installing and Configuring Hadoop Ecosystems (Hdfs, Yarn, Map reduce, Spark, Kafka, Hbase, Hive, Oozie, Zookeeper etc).
• Running benchmark tests, analyze system bottlenecks and prepare solutions to eliminate them
• Active directory integration for Hadoop
• Capacity planning and screening of Hadoop job performances
• Document Installation steps, use cases, solutions and recommendations.

Confidential

Hadoop Administrator

Responsibilities

• Designing Hadoop architecture and Implementation.
• Implementing Hadoop Security on Hortonworks Cluster (Kerberos, Two-way SSL, Knox, Ranger)
• Hadoop Deployment on Microsoft Azure environment (Python, Powershell, Bash Scripting).
• Created Spotfire dashboard to Visualize HDFS Utilization and Cluster performance.
• Creating automation scripts for installing Hadoop with Ambari Blueprints.
• Designing and Implementing Highly Availability in Hadoop environment.
• Performance tuning and optimization.
• Installation of Alteryx and creating workflows for data analytics.
• Data visualization with D3.js and JavaScript.
• Implementing data Visualization tools (Spotfire, Tableau, Informatica, Datameer)
• Installing and Configuring Hadoop Ecosystems (Hdfs, Yarn, Map reduce, Spark, Kafka, Hbase, Hive, Oozie, Zookeeper etc).
• Creating automation scripts using java, shell, PowerShell and python
• Running benchmark tests, analyze system bottlenecks and prepare solutions to eliminate them
• Active directory integration for Hadoop
• Implementing Hadoop cluster on top of Virtualized environments.
• Implementing NTLM single sign on for Spotfire.
• Capacity planning and screening of Hadoop job performances
• Hadoop infrastructure administration.
• Designing and implementing new technologies.
• Document Installation steps, use cases, solutions and recommendations.

Confidential

Hadoop Administrator

Responsibilities

• Hadoop Infrastructure design and implementation.
• Installing and Configuring Hortonworks Hadoop Clusters and Ecosystems (Hdfs, Yarn, Map reduce, Spark, Kafka, Hbase, Hive, Oozie, Zookeeper etc).
• Monitoring cluster status by using Ganglia, Nagios and our monitoring scripts.
• Monitoring HDFS Integrity.
• MIT Kerberos and Apache Knox security implementation.
• Hadoop performance tuning as per the system resource utilization.
• Running benchmark tests with different values to Hadoop configuration parameters to get an optimized system configuration.
• Implementing Hadoop Security
• Automation script development for cluster installation and configuration.
• Performed the role of Hadoop Admin in TCS Big Data team. There my role involved installing and configuring different Hadoop distributions on clusters - (Cloudera, Apache, Pivotal, IBM BigInsights, HortonWorks), Automation scripts and common maintenance activities.
• Implementing Hadoop High Availability
• Capacity planning and screening of Hadoop job performances
• Active directory integration for Hadoop
• Installing and Configuring Hadoop Ecosystems (Hdfs, Yarn, Map reduce, Spark, Kafka, Hbase, Hive, Oozie, Zookeeper etc).
• Experience in implementing data visualization tools (Spotfire, Tablue, Informatica, Datameer)
• Monitoring cluster status by using Ganglia, Nagios and custom monitoring scripts.
• Kerberos and Apache Knox security implementation.
• Hadoop performance tuning as per the system resource utilization.
• Running benchmark tests with different values to Hadoop configuration parameters to get an optimized system configuration.

Confidential

Linux System Administrator

Responsibilities

• Linux, Cloud system administration, maintaining fault tolerance.
• Maintain a high level of stability and availability for all supported systems.
• Implementation of Cloud Stack, Eucalyptus Private Cloud Environment.
• Manage Rackspace cloud and Amazon cloud environments.
• Manage Xen Server, OpenVz virtualization environment.
• Create and maintain up-to-date documentation for all supported systems provide insight to allow continuous improvement.
• Creating Production/Testing environment
• Shell / Python Scripting.
• Server Monitoring.
• Server installation and L3 support for clients.
• Implementation of Samba OpenLDAP Domain Controller.
• Implementation of Asterisk VoIP System.
• Implementation of Zimbra Mail server.
• Data Backup.
• Administration and Management of Servers in Data center (Government of Kerala).
• Installation and managing Apache, Tomcat Servers.
• Installation and managing Server 2003, IIS, FTP Servers.
• Implemented Samba OpenLDAP Domain Controller.
• Installation & maintenance of Linux Servers.
• Installation & maintenance of Windows2000, 2003 & 2008 Servers
• Remote Administration using terminal service, VNC and PCAnywhere
• Data Backup.
• Installation and servicing PC’s and Servers at Secretariat (Government of Kerala).
• Administration and Management of Windows/Linux based network of over 3500 Desktops.
• Monitoring all network related issues in Linux and Windows Servers.