Hadoop Administration/Engineering Resume

SUMMARY:

A Senior Systems Engineer with 12 Years of experience in Hadoop Administration/Engineering, Middleware Administrator(WebSphere Application/Portal/MQ Servers) and Linux Administration in areas of Financial, Banking, Insurance Industries, Client - Server, Internet Technologies, SOA application Integration.

Hadoop Administrator:

Well versed in installing, configuring and tuning Hadoop distributions: Cloudera, Hortonworks on Linux systems
HDFS support and maintenance, Cluster maintenance, creation/removal of nodes, Cluster Monitoring/ Troubleshooting, Manage and review Hadoop log files, Backup and restoring, capacity planning
General operational expertise such as good troubleshooting skills, understanding of systems capacity, bottlenecks, basics of memory, CPU, OS, storage, and networks
Work with Hadoop developers and operating system admins in designing scalable supportable infrastructure for Hadoop
Experience in setup, configuration and management of security for Hadoop clusters using Kerberos and integration with LDAP/AD at an Enterprise level
Experience in Enabling encryption over the wire (TLS) and also Encryption at rest using Key Trustee Server
Experience working with Luna Safenet team to integrate Key Trustee Server with Safenet for encryption keys backup
Experience with Sentry to enable role based authorizations for Hive and experience with Cloudera Navigator for Auditing hadoop access
Experience in configuration management tools like Ansible and Puppet
Experience setting up Hadoop clusters on cloud platforms like AWS
Experience in fine Tuning Cluster and Jobs like Hive/Imapala Queries, Spark, Sqoop etc
Experience supporting data science teams by setting up Hadoop access to their tools like SAS, RStudio, etc. for their activities related to Machine Learning

Middleware Administrator:

Experience in Installation of Middleware environments like WebSphere Application server 6.x/7.x/8.x, Portal servers 6.x/7.x/8.x, IHS6/7/8/9 and WebSphere MQ clients
Expertise in configuration and administration of WebSphere Application server, Portal Servers, Process Servers, and Web Servers
Implemented Horizontal and Vertical clustering of Application Server to provide scalable, highly available and fail over infrastructure
Experience in applying Fix/Refresh packs for Application server as well as WebSphere portal Servers and web servers
Expert in analyzing the heap/thread dumps for the application server using websphere tools like heap/thread analyzer
Expertise in creating vault slots and resolving library Syndication issues between environments

Systems Administrator:

Responsible for Operating system installation, regular upgrade and administration
Create, change, and delete user accounts per request
Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities
Created and scheduled cron jobs to perform System backups, file updates and removal of undesirable files etc
Perform ongoing performance tuning, hardware upgrades, and resource optimization as required
Configure CPU, memory, and disk partitions as required
Help tune performance and ensure high availability of infrastructure
Worked on virtualization technologies such as VMWare ESXi, Hypervisor
Responsible for monitoring the infrastructure with tools like Nagios

TECHNICAL SKILLS:

Operating Systems: Solaris 8/9/10, AIX5.X, RedHat Linux 6.5/7, Suse Linux, Windows 08/12 Servers

Languages: C, C++, Java, plsql, jacl, jython

Application/WebServers: WebSphere 8.5.5/7.0/6.1, WebSphere Portal Server 8.0/7.0/6.1, WebSphere MQ 7.0/6.0, iPlanet Server 6.0/4.1, Tivoli Access Manager6, SiteMinder6.0/5.5, IHS8.5/7.0/ 6.1, IIS7.0/6.0

Big Data Technologies: Hadoop distributions (CDH4.7, 5.x and HDP 2.x), Red hat Linux 6.x/7.x, Solaris 11, Nagios, Ganglia monitoring, Kerberos, Shell Scripting, Python Scripting, Java, Hive, Pig, Sqoop, Flume, HBase, Zookeeper, Oozie, YARN, Cloudera Manager

Databases: Oracle11g/10g/9.0.2.5, SqlServer2000/7.0, DB2 9.2/8.2, MYSQL

J2EE Technologies: J2EE1.7/1.6/1.5, Java2.0, Servlet2.3/2.2, Java Beans, EJB 2.2/2.0/1.1/1.0, JSP1.2/1.1/1.0, JDBC2.0/1.0, JNDI, RMI, CORBA, Java Swing /AWT, XML, HTML, DHTML, and JavaScript, WebSphere MQ 5.3, JBoss

Special Software: RAD 7.x/6.x, WSAD 5/4, Remedy User, SiteScope, Wily 7.1/7.0, CMG, Citrix ICA Client, Hummingbird Exceed, CSS, WinCVS, VSS, IBM Visual Age, Ultra Edit, Forte, Apache Tomcat Rational Rose, Microsoft Visio, XMLSpy, Home Site 4.5/5.0, IntroScope, Resource Analyzer, and Log Analyzer, Candle, Actuate 5/6

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