PROFESSIONAL SUMMARY:

• Over 14 years of experience in System Administration, Infrastructure Design, Capacity Planning, Implementation, Application administration including 3+ years of experience as a Hadoop administrator.
• Experience setting up of multi load Hadoop clusters.
• Strong understanding of various enterprise security solutions such as LDAP, Kerbos.
• Strong understanding of network configuration, devices, protocols, speeds and optimizations.
• Solid understanding of open source monitoring tools like Nagios, Ganglia and Cloudera manager.
• Familiarity with networks TCP/IP, Firewall and DNS.
• Extensive experience in Hadoop echo system including Spark, MapReduce, HDFS, Hive, HBase, Sqoop, Flume, zookeeper and zkdump.
• Experience designing data queries against data in HDFS environment using tools such as Apache Hive.
• Effective team building and problem solving abilities.
• Experience in Linux kernel configuration

TECHNICAL SKILLS:

Operating Systems: Linux, Sun Solaris, RHEL, HP, AIX, Windows XP, 2000, NT Servers, MVS - OS390

Database: Oracle8/9/10g/11g, DB2, SQL Server, Informix, Sybase, MS-Access

Hadoop Ecosystem: Hive, Pig, Mahout, Sqoop, HBase, Oozie, Flume, Zookeeper, Whirr, HCatalog.

Monitoring Tools: Nagios, Ganglia, Cloudera Manager.

Programming: Java, Unix shell scripting and C++.

Web Servers: BEA Weblogic 10.3.1/9.2/8.1/6.1 , WebSphere 7.1

Application Servers: BEA Tuxedo 10g/9.2/8.1/6.1

PROFESSIONAL EXPERIENCE:

Hadoop Administrator

Confidential, Atlanta, GA

Responsibilities:

• Involved in administering large scale Cloudera Hadoop environments build and support including design, cluster set up, performance tuning and monitoring in an enterprise environment.
• Installing, administering, and supporting Linux operating systems and hardware.
• Experience with Amazon Web Services (AWS).
• Deploy Hadoop cluster, add and remove nodes, keep track of jobs, monitor critical parts of the cluster, configure name-node high availability and taking backups.
• Working with data delivery teams to setup new Hadoop users, setting up Linux users, setting up Kerberos principals and testing HDFS, Hive, Pig and Map Reduce access for the new users.
• Cluster maintenance as well as creation and removal of nodes using tools Ganglia, Nagios, Cloudera Manager Enterprise, Dell Open Manage and other tools.
• Performance tuning of Hadoop clusters and Hadoop Map Reduce routines.
• Screen Hadoop cluster job performances and capacity planning
• Monitor Hadoop cluster connectivity and security
• Configuration using deployment tools Puppet & Chef and Linux scripting.
• Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.
• Installed,monitored and administered Hadoop multi-cluster using Cloudera manager.
• Supported development and production deployments.
• Implemented system wide monitoring and alerts.
• Conducted detailed analysis of system and application architecture components as per functional requirements.
• Imported data from Oracle to HDFS using Sqoop.
• Participated in evaluation and selection of new technologies to support system efficiency.
• Knowledge of multiple distributions/platforms (i.e. Apache, Cloudera, Hortonworks, MapR etc.)
• Involved in setting up of High Availability disaster recovery environment.

Linux System Administrator

Confidential, Tallahassee, FL

Responsibilities:

• Involved in Sizing of Hardware and Software for new Implementations.
• Installed and configured all the Linux servers in the network per specifications of clients.
• Worked as Linux Systems Administrator Supporting the Server farm in 24X7 Production environments.
• Installation, Administration and Maintenance of Redhat Enterprise Linux 4/5/6 and CentOS on Production/Staging/QA environments (both Physical & Virtual)
• Managing system resources, Software Patch & Package Installation and configuration (OS, Applications)
• Managing system resources, Software Patch & Package Installation and configuration (OS, Applications)
• Managing system resources, Software Patch & Package Installation and configuration (OS, Applications)
• Performed User Administration: add/delete/modify users & user groups and respective privileges and resource permissions using SUID, SGID and Sticky bit.
• Configuration and maintenance of NetApp FAS270
• Experience in Linux kernel configuration

PeopleSoft and Linux Administrator

Confidential, Orlando, FL

Responsibilities:

• Responsible for all phases of the project on the infrastructure side, which include design, installation, configuration, performance tuning & testing, deployment and Production support.
• Coordinated with off shore team to make sure the system is supported 24/7.
• In depth understanding of PeopleSoft HRMS application security 8.9 and 9.0 delivered security features and functionality (e.g. user profiles, roles, permission lists, row level department access, operator defaults, etc)
• Designed physical and logical layout of the servers (3 tier architecture) based on user requirements, scalability needs and uptime requirements.

Sr. PeopleSoft Administrator

Confidential, GA

Responsibilities:

• Involved in performing PeopleSoft Finance Application Upgrades from 8.0 to 8.9 and PeopleTools from using Change Assistant.
• Installed WebLogic, Tuxedo, PeopleSoft application software, PeopleBooks on new servers.
• Configured Web server, application server, process scheduler, Integration broker, Single Signon, Master scheduler, Peoplebooks on the new servers.
• Created Infrastructure diagrams for development, staging and production environments.
• Involved in 24/7 on-call Production support, every alternate week.
• Worked with RMAN to implement Backup/Recovery strategies.

Sr. PeopleSoft Administration

Confidential, FL

Responsibilities:

• Installed, configured and maintained Application Servers, Process Schedulers, Web Servers and Reporting Servers for the PeopleSoft Enterprise Portal 8.9, Financials 8.4/8.9 and HRMS/HCM 8.9 systems.
• Worked closely with developers, testers, database administrators, managers and network people.
• Implemented Disaster Recovery Plan by maintaining Backups and performing the Restoring of the system and user databases.
• Provided on-going capacity analysis and planning to determine future hardware requirements and/or configuration changes.
• Involved in Load Balancing of Web servers on F5 load balancer.

PeopleSoft Administration consultant

Confidential, NY

Responsibilities:

• Installed, configured and Troubleshooted Application Server, Process Scheduler, Web server Domains in all the environments.
• Provided Support for PeopleSoft 8.9 HRMS, Financial applications in a multi server, load balanced environment
• Involved in the performance tuning of the databases and the various components of PeopleSoft application.
• Installed and configured Oracle Client and configured TNS file, to get two-tier access to developers and users.
• Supported the Development (including TEST, STAGING) and Production environments.
• Downloaded updates and fixes and applied to the environments. Maintained the customizations for PeopleSoft.
• Configured Integration Broker, defining Gateway, creating and configuring message nodes for HCM and Finance.
• Installed People Books for HRMS 8.9 and Financials 8.8.

PeopleSoft Administration consultant

Confidential, NJ

Responsibilities:

• Installed and configured the PeopleSoft databases and applications.
• Supported the developers in day-to-day activities.
• Involved in 24/7 production support on bi-weekly basis.
• Involved in resolving performance issues and database tuning.
• Created Indexes on the tables to provide faster access.
• Installed PeopleSoft applications - People Tools 8.45, Application (HCM 8.8 and Financials 8.8, CRM 8.8), Tuxedo 8.1, and Web Logic 8.1.
• Performed database refreshes from the production environments to development and testing environments.

PeopleSoft/ Unix Administration consultant

Confidential, IN

Responsibilities:

• Experienced in the full life cycle implementation and production support of PeopleSoft applications and databases.
• Project involved PeopleSoft server administration, upgrade, data management, data migration, security administration and production support.
• Installed PeopleSoft database and applications on NT and UNIX operating systems.

PeopleSoft Administration consultant

Confidential, VA

Responsibilities:

• Project involved analysis, configuration, implementation, upgrade, performance tuning and production support of PeopleSoft applications 8.0/8.1 for FDM and HRMS.
• Involved in the deployment and full lifecycle development of PeopleSoft application.
• Conducted meetings with users, technical/functional team and managers for generating specifications to accommodate client needs and establish standards.

Oracle /PeopleSoft Administrator

Confidential

Responsibilities:

• Involved in Database high availability planning and deployment
• Involved in the Design, creation and administration of the production, development database
• Involved in documenting the environments and processes
• Involved in Development support and SQL/SQL Tuning
• Involved in upgrading PeopleSoft HRMS from PeopleSoft and 7.5 to 8.0.
• Responsible for refreshing Stage databases with production data
• Involved in installation, configuration and performance tuning of PeopleSoft applications and its components.
• Involved in Requirement Analysis, Design, and Implementation of the modules HR Management, Address Management, Application Services, System Services.