PREETI GUPTAFlat no A1 601, Gulmarg society, Near Bangalore Pune Highway, Baner Pune 411021Email: preeti.gupta87@gmail.com, preetimgupta@yahoo.comPhone: (M) +91 9910220981

To work in a challenging environment that would provide me the opportunities to master new skill set, encourage the spirit of new learning and provide the opportunity to contribute to the organizations goals and objective collectively

CAREER SUMMARY

Result oriented professional with 3 years across System/Server Administration, Linux Administrator, Hadoop Administration, Apache web server and Tomcat Administration, Production/Application Support

Working for HCL Infosystems Limited as from June. 2012 till date

Administration of Linux Servers on RHEL 6, RHEL 5, Centos.Managing large amount of application servers in production, more than 1500.

Good experience in Hadoop, HDFS, Map-Reduce and Hadoop Ecosystem (Pig, Hive, HBase)Experience in setting up Hadoop in various modes and integrating Hadoop Ecosystem with Hadoop.

Commissioning and decommissioning of Datanode in Hadoop Ecosystem.Good experience in Reverse proxy and load balancing in apache and nginx. Adept at mapping user’s requirements & troubleshooting for complex information systems management.

Install and support for Production application and reverse proxy servers.Working as a part of L2 operations team, handling over 1500 application server’s in a 24/7.

Managing application servers on different zones like Production, DMZ & Staging.

Providing 24/7 remote support for Portal application.

Taking the Full Responsibility & Owner ship of all the application server issues.

Effective team player with an aptitude to learn and ability to prioritize, organize and accomplish multiple tasks independently.

Meeting client’s SLA and make sure that SLA is not violated

Areas of Expertise

HADOOP FILE SYSTEM USER MANAGEMENT SYSTEM MONITORING LVM MAIL SERVER NETWORK BONDING YUM REPO CONFIGURATION PRODUCTION APPLICATION SYSTEM SERVER PROVISIONING

LINUX, UNIX. DEPLOYING APPLICATIONS,

CONFIGURATION, PATCHES INSTALLATION AND PERFORMANCE TUNING

BIG DATA (Hadoop, Map-Reduce, HDFS, Hive, Pig)

DATA CENTRE MANAGEMENT

Technical Proficiency

Operating Systems and Daemons Operating Systems : RedHat Linux 5.5, 5.6, 6.0, 6.1, 6.3

/Windows Server 2007. Email services : Postfix Monitoring Tools : Nagios/CA Tool Web services : Web Server: Apache

System Software / Tools Utilities : top, iostat, pstree, vmstat, fuser, netstat System Software : Xinetd, Crontab, at Network tools : ping, traceroute, netstat, route, Telnet,

FTP, ifconfig, netstatBig DATA Hadoop : Cloudera Distribution Hadoop CDH version 2

and 3 Storage : HDFS (Hadoop Distributed File System) Processing : Map-Reduce

Languages Java : Basic level of Java and .Net

Databases MySQL : MySQL 5.6

Work Experience

HCL Infosystems Ltd. (June 2012 – Till date)Senior System Administrator

Project Handled:Client : UIDAI (Unique identification authority of

India) - Aadhaar project

Designation : Senior System AdministratorDuration : June 2012 – Till DateTeam size : 10Platform used : LINUX/UNIXSkills : LVM, SAMBA, NFS, DNS, USER MANAGEMENT, NETWORK

BONDING, MULTIPATHING, SYSTEM MONITORING, HTTP CONFIGARATION, TROUBLESHOOTING, OPERATING SYSTEM INSTALLATION & UPGRADATION, YUM REPO CREATION

Description : To provide administrative support and Hardware support with the servers.

Roles and Responsibilities:

HADOOP administrator:Installation and configuration of Hadoop cluster.TroubleshootingMonitoringAutomation Scripts

Apache Web server administrator:Has a hand on experience on Apache Web Server including deploying applications, Configuration, Patches installation and performance tuning.

Installation and configuration of Apache Web Server on Linux platform.Good experience in Reverser proxy and load balancing in apache and nginx. Resolving all vulnerability of apache. Experience in SSL configuration on apache.(move to http to https)

Tomcat Web server administrator:Installation and configuration of Tomcat Application on Linux platform.Configuring Apache Load Balancer for High Availability and Scalability.Managing and Monitoring the JVM performance and troubleshooting. SQL server failover clustering.Experience in SSL configuration on apache tomcat.

Application support:Solving Incident and request tickets with in a SLA.Provide the 99.9% SLA for all application and portal.Actively monitoring idle threads, JVM, CPU utilization, connection pools & Troubleshooting.Managing and Monitoring the JVM performance, Tomcat Heap Size and garbage collection.Maintenance & Monitoring all the parameters and sending the hourly wise checklist.Installing and configuring the applications which come as an RPM and debugging the issues.Application Health monitoring/ Troubleshooting/Deployment.Trouble shooting of application with in the time frame and application bugs reporting to dev team on timely basis.

Linux administrator:Installation and Configuration of Red Hat Enterprise Linux.Managing large amount of application servers, Data Centre ManagementInstallation and up-gradation of OS, kernel and additional Packages using RPM and YUMPerformance Monitoring of servers and taking backups.Configaration & Management of NFS Servers & ClientsManaging application servers on different zones like Production, DMZ & Staging.

Working as a part of L2 operations team, handling over 1300 application server’s in a 24/7 Data centerWorked on day to day trouble shooting for both user and system issue.Managed and updated licenses of the server for various softwareSetting up Rsync for syncing files between different location.Creating the YUM server repository.LVM and RAID activity on the server (increase or decrease the size of LVM, root disk mirroring, LVM-snapshot etc.).Monitoring CPU, Virtual memory, Disk, Network Performance.Installing recommended Packages in LINUX.Manage Disks and File systems.Scheduled various regular, onetime jobs by using cron.Configure and manage swap space for application requirement.Writing small shell script to automate various process and them using CRON to schedule them.Providing the monthly CPU & Memory utilization.Implementing RAID levels (RAID 0, RAID 1, and RAID 5).Monitored server’s space and managed the same. Deleted unwanted files from the server to maintain the space

Package management using the Yum and RpmManaged various Applications on the ServerAdministrating LDAP server for centralized user login.Server Provisioning – Sever hardening, Failover network bonding, Integration of new server with Nagios/CA Tool for monitoringManaging Proxy Server for Network accessTimely closure of tickets and closely monitoring and updating the tickets assign by the NOC team, through ticketing tool named OTRS and CA.Troubleshooting various issues within the time limit. Creating SOP’s for documentation.Opening, managing and documenting the support case initiated with OS and Hardware vendors.Meeting client’s SLA and make sure that SLA is not violatedStrictly adhering to the Data center process management.

Key achievements:Best Employee for the 3 Quarters consecutively.Got numerous appreciations from Client and manager for keeping HADOOP and application up and running.

Professional Trainings & Project undertaken:

3 months training in .Net from HCL Career Development Center.Project Undertaken: RTI Act WebsiteTechnology Used: ASP, Dot Net, C# and SQL

4 months computer course in Java, J2EE from CMC Ltd.Project Undertaken: E-Passport applicationTechnology Used: Java, J2EE, JSP, JavaScript, J-query, MYSQL, Frame work on NET Beams

Professional Qualification:

Qualification Name of the Board/University Year of passing

% Marks

SSC (10th) C.B.S.E. 2003 64

HSC (12th) I.P.E.2005 78

B.Sc.(Physics Honors) Delhi University

Kirori Mal College2008 60

MCA GGSIP University 2011 78

Personal Details

Name: Ms. Preeti GuptaGender: FemaleFather’s Name: Mr. R.N. GuptaNationality: IndianLanguages Known: Hindi, English

Declaration:

I do hereby confirm that the information given in this resume is true and correct to the best of my knowledge.

Preeti Gupta