Support System Administrator

Praveen Batchu

Cell: 240-***-****

Email: *********@*****.***

Objective:

With around 15+ years of experience in system Administration and Bigdata Administration, Designs Hadoop architecture, installs the system and reports on progress, seeking for a challenging career in Hadoop eco system and Systems with a progressive organization which will utilize my skills and experience.

Professional Summary:

CDH (Cloudera) hadoop administration or maintenance

Hortonworks HDP installation / support

Supporting Haodop (Bigdata) stack

Bigdata architecture planning

Both major and minor upgrades to the existing CDH cluster

Unix/Linux systems installation and configuration, mainly Red Hat Linux with advanced services, software and hardware raid, backup procedures and regular maintenance.

RF and Core Network planning to site selection, installation, commissioning.

Knowledge in Configuring Apache server 2.0, Mail Server, Samba Server, FTP server, SE Linux security, Kernel Performance Tuning and configuring Software RAID.

Configuring DNS servers / creating virtual hosts.

Working Experience on VMware ESX Server 3 and ESXi 4

Strong knowledge on DHCP / PXE Kickstart installation

Configuring Barracuda anti spam filter for both incoming and outgoing mails

Implementing Open SSH based security for the Redhat

Troubleshooting application server problems, connectivity issues, systems, DNS management, URL setup

Updating Redhat / fedora systems using RPM and yum

Installing Point to point connections (WAN), Establishing Point to multipoint

Experience in Installing RFS cables

IBM Tivoli Identity Management (ITIM, ITAM, WebSEAL)

WebLogic server maintenance

OPENTEXT CMS maintenance

Technical Skills

Hardware HP, DELL and Assembling of computers

Operating System: Redhat Linux, Fedora, Centos, Windows server 2003, Windows 2008, Windows XP

Directory 2000/2003, OpenLdap

Web servers Tomcat, JBOSS, Apache – Integration with Apache

E-Mail servers Zimbra collaborative suite, Qmail, Sendmail

Virtual computing VMWare ESXi 3.5 / 4

Monitoring Sysmon, MRTG, Nagios, Zenoss

Database MySql

Scripting Bash, Perl

Education:

Master of Science (MS-IT) from Stratford University

Bachelor of computer Applications (BCA) from Nagarjuna University

Certifications:

RHCE: Redhat certified System Engineer

Certificate number is 111-130-902

https://www.redhat.com/wapps/training/certification/verify.html?certNumber=111-130-902

Cloudera Certified Administrator for Apache Hadoop (CCAH)

Certificate number: 100-012-641

http://certification.cloudera.com/verify

Professional Experience:

Kaiser Permanente Oct 2018 - Present

Pleasonton, CA

Role: Lead Sr. Hadoop Administrator

Founded in 1945, Kaiser Permanente is recognized as one of America’s leading health care providers and not-for-profit health plans. Expert and caring medical teams are empowered and supported by industry-leading technology advances and tools for health promotion, disease prevention, state-of-the-art care delivery, and world-class chronic disease management.

Responsibilities:

Installing and configuring POC / DEV / TEST and Prod clusters

Support Informatica BDM environment integration with CDH

Supporting SAS environment connecting to CDH

Supporting Ansible environment for Hadoop clusters

SSL support for high availability

HAProxy setup for load balancing cloudera services.

Support offshore and onshore teams.

Cluster setup along with DR planning using datadomain

Supporting Trifacta, Arcadia installations and upgrades.

Solix common data platform archival tool, installation / upgrade / patching

Build new clusters for migrating existing CDH cluster.

Support Rstudio installation and modules support.

Support day to day operations.

Kafka cluster configuration along with sentry

Fishbowl, Inc, March 2016 - Aug 2018

Alexandria, VA

Role: Lead Senior Hadoop Administrator

Fishbowl helps restaurants leverage data to drive predictable sales growth. Fishbowl’s closed loop restaurant marketing SaaS platform is highly scalable and ingests data quickly from various sources, including email, SMS, social, online ordering, loyalty programs, reservations, and more

Responsibilities:

Installing and maintaining MAPR Platform

MCS upgrade

Configuring CLDB High availability

Applying Mapr patches – manual process and MCS automated process.

Upgrade MAPR 3.6 to 4.1

Supporting and configuring drill.

Performance tuning of Hadoop clusters and Hadoop MapReduce routines.

Installing / configuring Talend

Installing and managing linux servers

Supporting HBASE

Managing spacewalk for patch management for centos

Supporting physical hardware installations in DataCenter

Supporting migration of Hadoop cluster to AWS.

Supporting offshore and near shore hadoop developers.

Working with data delivery teams to setup new Hadoop users.

Setting up Linux users, setting up Kerberos

Fannie Mae, June 2015 – Feb 2016

Reston, VA

Role: Lead Senior Hadoop Administrator

Fannie Mae is supporting today's housing recovery and helping to build a sustainable housing finance system

Responsibilities:

Installing Hortonworks (HDP 2.3.2.3) stack

supporting knox

creating / supporting kafka ACLs

Supporting deployments in storm.

Creating HBase tables and supporting

Installing HDP cluster using blueprints

Rolling upgrade of HDP minor versions

Training new hires of the complete setup

Performing network IO activities using iperf

Collecting and aggregating large amounts of log data using Apache Flume and staging data in HDFS for further analysis Familiarity with network layout and setup

Rack configuration in Hadoop cluster based on Availability zones

Participated in development and execution of system and disaster recovery processes.

Operational support services relating to Hadoop infrastructure and application installation.

Configured security with Kerberos

Provide training and managing Hadoop team.

CACI International June 2013 – May 2015

Chantilly, VA

Role: Senior Hadoop / Linux Administrator (MIDAS – Obamacare project)

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers.

Responsibilities:

Fixing security audit changes on Linux servers

Supporting windows 2008 R2 servers

Cognos / SAS support for installation requests on Linux servers

Jboss-ews and jboss-eap maintenance and installation

CAS integration with AD jboss servers

AD integration with Linux

Java tuning / heap size settings for custom mapreduce jobs

Cloudera hadoop installation

Cloudera Hadoop Upgrade from 4.3 to 5.2.4

Cognos / informatica support

CDH5 tuning

Cloudera hadoop Operations support for day to day activities

Supporting Hadoop eco system with hive / sqoop / hue jobs

Implementing Kerberos for authorization

Content pump jobs from oracle to hive and hive to oracle

Support Erwin data modeler setup

National Education Association

Washington, DC Nov 2011- May 2013

Role: Senior Linux System Administrator

The National Education Association (NEA), the nation's largest professional employer organization, is committed to advancing the cause of public education.

Responsibilities:

Installing / configuring RHEL (Redhat Enterprise linux) 5.x, 6.x

Supporting WebLogic servers and deployments

Supporting VmWare installations

Preparing Operational Run books

Supporting OpenText CMS architecture

RedHat Package Management

Tomcat / JBOSS installation and support

IBM Tivoli Identity management services, hands on experience with installation of ITIM, ITAM, WebSeal and DB2 - Basic knowledge

Install / configure IBM WebSphere servers

Hands on experience on HP Data protector backup / restore utility

Search engine support of Verity and Google analytics

Installing / Supporting Jira / confluence

Supporting Linux environment for disaster recovery environment

Synacor,Inc

Buffalo, NY

June 2010 – Oct 2011

Role: Senior Linux System Administrator

Simply put, Synacor provides best of breed technology solutions designed to enhance ISPs’ relationships with their customers. As a global technology company, focused on providing innovative and flexible products, Synacor is supported by a wide variety of services and trusted technology.

Responsibilities:

Building / configuring Centos Systems using Kickstart

Centos environment with over 1000+ servers

Supporting day to day operations for the development team

Supporting VmWare installations

Monitoring servers on 24x7 basis on a shift turnover

Taking necessary actions as per the Groundwork (nagios) alerts

Supporting HP ILO software for 1000+ HP blade servers

Support LAMP environment

Installation / upgrading servers using PXE boot

Preparing Operational Run books

Supporting Heartbeat services

Installing / Supporting Jira / confluence

Supporting DNS servers

Taking care of all hardware related issues

Implementing OPENLDAP custom schema and support

Package Management

NIC Bonding, Multipath

Maintaining several environments using Puppet

Supporting VMWare esxi4.x

Disk Partitioning

LVM, NFS support

Hewlett Packard (HP)

Frisco, TX June 2008 – April 2010

Role: Linux System Administrator / Mail Server Administrator

Comcast is one of the biggest customer to HP hosting around 24 million email accounts which I am part of the team for managing such a big account. Around 1500 blade servers in network which is very huge for management and new technologies like Zimbra collaboration suite for data storage and Bizanga for SMTP / LMTP connections.

Responsibilities:

Customer support service calls through OVSD

Installation / upgrade ZCS (Zimbra collaboration suite)

Monitoring servers on 24x7 basis on a shift turnover

Taking necessary actions as per the nagios alerts

Responsible for Zimbra installations / configurations / monitoring

Responsible for LDAP queries modifications

Supporting E-Mail problems, customer queries

Monitoring of 1500 HP blade servers

Usage of Bugzilla for bugs tracking

Upgrade and Monitoring Bizanga servers used for IMTA / OMTA / QMTA

Supporting Redhat enterprise Linux 4 / 5

Support HBA for SAN admin

Installation / upgrading servers using PXE boot

Writing documented procedures for the work

Supporting windows 2003 servers

Supporting netbackup tool for backup / restore

Supporting clustering services

Patching Linux through RHN

Supporting SAN related queries on Linux

Benson Informatics ltd, Dar-es-salaam, Tanzania May 2004 – Dec 2007

Role: Wireless Network Administrator / Redhat Linux 3.0 / clients support

http://www.bol.co.tz

Pioneer of true wireless Broadband Internet service provider in Tanzania with first and only commissioned Nomadic Internet setup in Dar-es-Salaam and Arusha. With around five thousand customers.

Environment: Qmail servers, Navini system, Redhat Linux 3.0

Responsibilities:

Maintaining Qmail-servers, supporting over 3500 customers and their pc problems on Linux

Configuring of DNS services one master and other slave in different zones on Linux

Involved in configuring VPN servers. Establishing point to point Non Line of site (NLOS) from our towers located in different places all over the city to NOC.

Scheduling MySql backups as a part of system administration and restore into different system

Planning, Installing and sweeping RFS cables for Navini BTS.

Deployment of barracuda anti-spam and TrendMicro anti virus

Installation of BTSs in Arusha and Dar-es-salaam, Tanzania.

Installing windows 2000 server for EMS (Element management system) which monitors different BTSs from a single point of place

Configuration of Asterisk open source PBX system for the office use

Upgrading / refreshing / CPEs (customer premise equipments)

Establishing point to point links from sites to NOC which works as a Bridge

Establishing point to multipoint links from NOC to different clients / sites

Periodically taking backups of EMS server and restoring in backup server

Troubleshooting cisco switches at NOC and assigning vpn’s for each site

RF and Core Network planning to site selection, installation, commissioning.

Subscriber support to system maintenance and network optimization

Maintaining and configuring print server which serves around 6 printers from a single print server for different purposes at office.

Establishing VPN servers at clients place for there developments

Providing host-based system security using IDS.

Implementation and maintenance of Openssh.

Working on Ticket server and resolving the tickets on priority basis.

GHENSoft (INDIA) Private Limited, Hyderabad, India Oct 2001 – April 2004

Role: Network Administrator / System Administrator

http://www.ghen.net

GHENSoft is a software solutions company with a global outlook, most reliable support in Software Applications industry, 24/7, 365 days.

Environment: Linux server, network cabling and network setup

Responsibilities:

Involved in Setup of Systems LAN and Linux Server as FTP Server and Responsible for maintaining the LAN comprising of Windows XP/98/ME Servers and Clients.

Sendmail support for testing applications

Managing Redhat 9.0 for virtual hosting configurations and cobalt, plesk servers

Providing the Windows and Linux Connectivity using Samba. Maintaining and trouble shooting the Hardware problems.

Managing around 30+ computers LAN and their desktops software and hardware.

Configuring Tomcat server for JSP support on apache web server

Configuring apache web server on Redhat Linux server for sub domain support for developing applications

Installing / managing CVS (concurrent versions system) on Redhat 9.0

Setting up Mdaemon with 200+ clients.

Qmail server configuration from open source for the support of clients mailing lists and mails and using webmail as squirrelmail

Monitoring tools to check what services are down using open source tool like sysmon. Ecartis Mailing list configuration for different customers as per different types of requirements.

Maintaining and Configuring Virtual Hosts on different webservers.

Configuration of DNS servers located remotely and maintenance.

Configuring NFS server, NIS Server, CVS Server

Configuring VSS on Windows

Scheduling backups by rsync from hosting servers and mail servers to backup servers.

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