Sampad Ray
**M B.B Sengupta Road, Sanjib Pally, Flat No: 4 West Side
WB Kolkata 700034 India
Ph: 704-***-****
E-mail: aczm5j@r.postjobfree.com
DOB: 3rd December, 1981
PAN: AJSPR7948F
Summary
* ***rs of well-rounded experience in system administration, build systems and web/application server support at various top tier companies.
Experience in streamlining and automating build and deployment systems with solid scripting skills. Extensive experience in WebLogic/middleware Administration. Professional testing experience in administering various complex environments in retail, telecom, banking domain(s) for both production and QA, Cloud based systems.
Core Skills
Languages:
Scripting:
C/C++, Formula Language, Lotus Scripting
Python, Perl, Lotus Scrip, t, WLST, Shell Scripting, Automation
Java Technologies:
Servlets, Applets, Swings, EJB, JMS, Networking, JDBC/ODBC
Databases
Oracle 9i and Oracle10g, Point Base, MYSQL, SQL Server, Teradata & DB2
Networking
Https, FTP, LDAP, TCP/IP, Network Security
Application Servers
Oracle/BEA WebLogic 6.x/7.x/8.1/9.1/10.x
Web Server
Apache, Tomcat, I planet/Sun One, IIS 4.0/5.0/6.0, SharePoint Portal
Platforms
Windows NT/95/98/2000/XP, Linux, Sun Solaris, UNIX (HP, AIX), Windows Server 2003
Professional Experience
11/2014–02/7/2017 Support Engineer 3, <Amazon Cloud Drive>, Amazon - Seattle, WA
Support Engineer III Amazon Cloud Drive
Developed tools to automate various daily routine operational tasks.
Designed, developed and tested various tools to automate response and resolution of customer tickets. Automated/ Streamlined the resolution of customer grievances process to allocate more space in S3(AWS Storage Solution), thus reducing the turnaround time for customer problem.
Designed organized and Conducted Gamedays (Load Testing) for the Amazon Cloud Drive Application to evaluate our Operational preparedness and infrastructure shortcomings before major releases. And upgrades.
03/2012-11/2014 System Administrator / Weblogic Administrator Premier, AT&T - Bothell, Washington
Configuration and administration of Weblogic 10.3.x server with Oracle 9i/10g database.
Resolution of various kinds of problems related to Weblogic 10.x Administration.
Developed and modified Shell scripts and procedures, WLST scripts to automate the Weblogic and Application Administration.
Deployed the applications like in Weblogic10.x and or Tomcat Application Servers.
Configure and administration of various components of Weblogic Server 10.x.
Setting up cron jobs as a part of automating various in house maintenance activities like rotating logs, daily server startup, etc., thus streamlining the outage resolution process and minimizing downtime during outage hours.
Install, configure and administered of Weblogic Server 10.x in various environments like Solaris 10
Participated in checking the baselines through script and manually for the compliance of various environments in Weblogic 10.x and Apache Web servers to meet the corporate standards thus making auditing a streamline procedure.
Installed and configured Apache 2.2.13-21 web server in various environments like Solaris 10.
Installed and replaced certificate for Apache 2.2.17.
Implemented SNMP v1 to be used for monitoring the servers
Helped in implementation of monitoring activity of the Weblogic servers with Nagios (monitoring tool)
Administered Weblogic 10.x without the node managers using WLST scripts.
Configured bridges for specific applications in Weblogic 9.x and 10.x.
Deployed the applications on multiple Weblogic Server and maintained Load balancing using F5 Load balancers, High availability and Fail over functionality.
Configured topics, queues, distributed queues, foreign servers, connection factories in Weblogic 10.x
Configured credential mapping for the MDB’s that were deployed through the Application in Weblogic 10.x
Implemented log rotation in Weblogic 10.x using scripts.
Configure Clustering EJB objects, JDBC connections and JMS servers, JMS Modules
Configure Node manager for administering the Managed servers.
Configure and administered Connection pools for JDBC connections
Configured, maintained and owned the Performance Environment for the application
Configured and maintained two sets of environments, in and hot and cold mode.
Actively member of the Active-Active project where in two datacenters (environments) where both went live and are accepting traffic.
Used config wizard and config builder extensively to create and manage Weblogic domains
Setting up the cluster environment for Weblogic Server integrated with multiple workflows.
Involved in doing performance benchmark of Weblogic server by using Load Runner
Performed application migrations of Weblogic server from previous version 9.x to 10.x version in various Operating systems like Solaris 10.
Configured and deployed applications in various work environments like Development, SIT, UAT, CTE, DR/BCP, ISO and Production
Developed ANT build scripts, UNIX shell scripts and auto deployment process.
Provided 24/7 on call support in production environments.
Configure JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.
Supported on call schedule for Production support during the merger.
Installed, configured and maintained Apache web servers.
Developed Shell scripts, WLST scripts that automate the Weblogic Administration.
Worked with the network team for installation and configuration of F-5 Load Balancer with Weblogic Server and Apache Web servers
Responsible for releases like Zion, Moon etc. which followed a complicated procedure to go live.
Written SQL query and PL/SQL procedures and triggers
Generated Heap Dumps and Thread Dump for the analysis of JVM performance.
Installed and Configured Wily Introscope and JProbe to monitor Weblogic servers.
Configured Virtual hosts, rewrite rules, alias, document root in apache
Configured and managed secured environments using SSL and digital certificates. (self-signed and third party authentication)
Managed and Monitored JVM Performance by adjusting Web Logic heap size and garbage collection parameters
JDK1.6 update 06 to 29,J2EE, Jrockit8.1, JSP, Servlets, EJB, JDBC, XML, Oracle9i/10g, Weblogic Server 9.x/10.x, Win2K, Solaris 10, Linux, VM Ware, ATG B2B Commerce)
Involved in configuration of Apache mod proxy (reverse proxy) for external user access
Design Development and implementation of ATT BID Application Production and QA Environment
End--05/2009 Graduate Research Assistant, University of Missouri, Columbia
Worked in a team of 4 members to design and develop a learning informatics project for University of Missouri.
SELECTED RESEARCH PROJECTS
Spring 2009, Summer,2009 MS Thesis University of Missouri, Columbia,
In this work in a team of worked as a graduate research assistant for Dr. Naz-e-Islam on maximizing the amplitude of the Terahertz radiation generated from Low temperature(LT) Gallium Arsenide(GaAs) Substrate when subjected to high laser incidence when the substrate is applied under high electron volt(eV) EMF. (http://ieeexplore.ieee.org/document/7010002/ )
EDUCATION
209-2011 University of Missouri, Columbia Electrical Engineering Department, Columbia, MO
MS Computer Science and Engineering, GPA 3.323/4.0
2002–2006 West Bengal University of Technology (Dr. B.C. Roy Engineering College) -India
Bachelor of Technology in Information Technology, Graduating GPA – 8.87 (out of 10)
Rank # 1 in department for Semesters,3,7and 8
WORKSHOP AND TRAININGS
Dec 2005 Oracle Certified Associate(OCA)
May, 2006 Oracle Certified Professional
Certified Lotus Professional(CLP)