SUMMARY:

Highly skilled Hadoop Architect with expertise in Unix/ Linux - based systems and Big Data. Vast experience in high-volume environments with strong analytical and organizational abilities. Complex problem solver able to thrive in fast-paced and challenging roles.

TECHNICAL SKILLS:

Hadoop cluster Management: Cloudera Manager, Ambari, Apache Hadoop

Hadoop/ Big Data Components: Zookeeper, HDFS, Yarn, MapReduce, Oozie, Spark, HBase, Impala, Sentry, Hue, Hive, Pig, flume, Sqoop, kafka, Solr

Access and Security management: Sentry & Kerberos

Scripting Language: Shell, Python

Cluster parallel shell tools: ClusterShell (clush)

Traditional Databases: Mysql, Oracle, Postgres (SQL, PL/SQL scripting), SQLServer

Programming: C, C++, Java, PHP, SQL

Systems: Red Hat Linux, FreeBSD, Centos, Fedora, HP-UX, IBM AIX

Servers web: Apache, JBoss, Apache Tomcat, Weblogic

Cloud: based service tools - Salesforce, Zendesk, Splunk

Network technologies: Load Balancers, Switches, Routers, Firewall

Mail Server: Sendmail

Gateway: Server Webmin, kannel (txtmsg Gateway), Mbuni (Multimedia content Gateway)

Data reporting Server: JasperServer pro

Continuous Integration Server: Jenkins/Hudson()

Software build processor: Apache Ant, Maven

Source Code Manager: Git

Testing and performance monitoring tools: Selenium, Jmeter

ITIL & IT Services Management: Incident, Management, Problem management, Change Management

Model of the system de development: SDLC

File transfer tools: ftp, sftp, scp

Monitoring and Metrics collection tools: Nagios, Ganglia (learning)

PROFESSIONAL EXPERIENCE:

Confidential

Hadoop Architect

Responsibilities:

• Understanding with Cloudera Hadoop, YARN, MRv2, Zookeeper, Oozie IMPALA, Hive, Flume and HBase, Sqoop, Pig, Apache Spark
• Administer, troubleshoot, perform problem isolation and correct problems discovered in clusters
• Performance tuning of Hadoop clusters and ecosystem components and jobs. This includes the management and review of Hadoop log files.
• Provide 24x7 on call support for production code migrations and lower environment platform outages/service disruptions on a rotation and need basis
• Provide code deployment support for Test and Production environments
• Diagnose and address database performance issues using performance monitors and various tuning techniques
• Interact with Storage and Systems administrators on Linux/Unix/VM operating systems and Hadoop Ecosystems.
• Troubleshoot of any Hadoop ecosystem services issues. performance analysis, ensuring security developing and testing Unix Shell scripts, Java and coding required for Hadoop administration and associated core Hadoop ecosystem
• Performance tuning of Hadoop clusters and ecosystem components and jobs. This includes the management and review of Hadoop log files.
• Document programming problems and resolutions for future reference.
• Demonstrated abilities utilizing core Hadoop (i.e. Hadoop, Map-Reduce, Hive, Pig, Oozie, HDFS, Unix Shell, Java, etc.) and Relational Databases (MySQL, Oracle, Postgres, etc.).
• Experience in defining new architectures and ability to drive an independent project from architectural standpoint.

Confidential

Hadoop Administrator

Responsibilities:

• Requires competency in customer focus, change & innovation, strategic thinking, relationship building & influencing, talent management, results focus and inspirational leadership.
• Install and maintain platform level Hadoop infrastructure including the additional tools.
• Interacting with tool vendors to resolve problems, monitor and troubleshoot problems.
• Working closely with developers, architects, and end users to implement capabilities based on product roadmap.
• Troubleshooting on Hadoop technologies including HDFS, MapReduce, YARN, Hive, Pig, Flume, HBase, Sqoop, Zookeeper, Spark, etc.
• Performance tuning applications and systems for high volume throughput
• Maintain clear documentation to help increase overall team productivity.
• Day-to-day troubleshooting of problems and performance issues in our clusters
• Be part of the On-call Rotation for your areas of responsibility and expertise
• Providing ITIL based Incident, Problem and Change management services for the platform

Confidential

Operation Engineer

Responsibilities:

• Working on a complete range of hosted services that include the telecom (Verizon, Confidential & Confidential, Confidential -Mobile) and banking industries ( Confidential, Chase, Wells Fargo, American Express).
• Administration, operation, and support of various hosted applications in the service production environment of Mobile Pay service.
• Installation, configuration, administration and support of Red Hat and Solaris in large environment.
• Monitoring that all systems are running smoothly and resolving issues that arise
• Data gathering and data provisioning of the solutions
• Provide investigation, root cause analysis, and problem resolution
• Maintain operations such as a planned event while upgrading and Patching solutions (integration)
• Technical support for Technical Account Manager
• Suggesting proposals to Technical Account Manager to improve traffic time
• Data Analysis and Solution Tuning to improve service performance: analyzing core / thread dumps.
• Create or improve processes for operations
• Support internal tool (monitoring, stats, scheduling,…) deployment, and usage
• Manage communication with customer for calls, status, and update
• Executing release for bug fix, upgrade, updates inside a Change management process

Confidential

Senior System Analyst

Responsibilities:

• Production applications (SOP-P and Allstream SNAP) support
• Task management for all signaling provisioning, Allstream SNAP application daily monitoring
• Routing and screening information and deliver updates to all network elements.
• Supporting LAMP based web application, PHP, MySQL, HTML, DHTML, CSS, JavaScript
• Deploying and updating application on HP-UX and AIX production systems
• Assisting and resolving users/customers issues received thru tickets
• Investigating and troubleshooting application from the backend
• Tasks automation with shell scripting
• Application Data manipulation with SQL queries (Informix and Oracle)
• Manage communication with customer for calls, status, and update
• Handling the Incident Management process from the issue reporting stage to the case closure
• Handling the failover process and disaster recovery process
• Managing the Change Management from beginning to the end as the owner of the applications in productions environment

Confidential

Software Engineer

Responsibilities:

• Linux Red Hat Enterprise Linux and CentOS.
• Supporting internal web application(troubleshooting, new features implementation)
• Debugging application server side(Eclipse Indigo) and browser side(IE, Safari, Firefox)
• Shell Scripting (running SQL script for database reporting, Backing up database, automating log rotation)
• Database Postgres Query (advanced SQL) and PL/SQL scripting
• Java programming (Servlet, JSP), JavaScript, XML, HTML
• Linux System (Centos 5.8) administration: Configuring, Installing packages, servers troubleshooting
• Application deployment from the staging environment to the production line
• Usage of Git distributed for application source code control