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Manager Engineer

Location:
St. Louis, Missouri, United States
Posted:
May 09, 2019

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Resume:

Sridevi Vydha

*: ac9b2i@r.postjobfree.com

): 502-***-****

Summary:

Around 10+ years of extensive experience as a LDAP/Directory Services, ISAM 9 by handling all the aspects of administration tasks such as day-to-day site Monitoring in OEM could control and Maintenance as well as J2EE development.

Experience in LDAP/Directory Services IBM SDS 6.4 domain specializing in RedHat/Oracle/Sun One Java Enterprise Directory Server, ODSEE 6.3.1/greater

Excellent knowledge with OIM, OAM Ldap directory servers.

Skilled in maintenance and support of LDAP Directory Services in RedHat Linux, UNIX/Solaris and Windows based environments

Installation, Configuration, Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance of WebLogic Server versions 8.x/9.x/10.x.

Configure, debug fusion middleware applications such as OSB, and BAM in a multi-instance hosting environment.

Installation, configuration and support of J2EE applications hosted primarily in Tomcat 5.5 and WebSphere 6.0/7.0.

Extensive working experience in setting up multiple domains, including machines, managed servers, node managers and cluster environments.

Proficient in deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments of WebLogic Server and JBoss Application server.

Hands on experience with Installation and Configuration of F-5 / BIG IP Load Balancer to work with Web logic Server and JBoss Server..

Proficient in JVM performance fine tuning and other performance enhancement techniques

WebLogic Administration, Monitoring and Troubleshooting using Admin Console and JMX.

Excellent knowledge in developing and troubleshooting in Java 1.4/1.5/1.6 programs.

Experience in working with Agile Methodology and Webservices using Service Oriented Architecture (SOA).

Experience in database like Oracle 9i/10g, SQL Server 2000, Mysql 4.x/5.x/6.x

Strong knowledge at Windows XP, Sun Solaris, Red Hat Enterprise Linux, Redhat package manager and HPAUX- Open view administration platforms.

Good at Server Performance Tuning - Thread Dump Analysis, Core Dump Analysis when Server crashed unevenly.

JMS Configurations– JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations.

Capable of working both as a team player and independently. Possess effective oral and written communication skills and strong analytical problem solving capabilities.

Worked on Web Security tools- LDAP Server, SSL Certificates.

Experience in writing Scripts to handle complex automation / administration using Shell scripting, WLST, ANT, Maven and WLShell.

Technical Skills:

Internet/Java Technologies:

JSP, Servlets, EJB2.0, XML, HTML, JavaScript, JNDI, JMS and JDBC 2.0.

Web/App servers:

Oracle/BEA WebLogic 8.x/9.x/10.x/11g, WebLogic Portal Server 9.x, OSB, OEM, IBM WebSphere 6.0/7.0, Apache Tomcat 5.0/4.5, IIS, Apache HTTP server 2.0/2.2, SunOne WebServer (iPlanet), SOA Suite 11g(11.1.1.4), WebSphere Decision Server

Databases:

Oracle 9i/10g, SQL Server 2008/2005

Directory Services:

RedHat Directory Server 10, IBM Tivoli Directory Server 6.3 and 6.4, Novell eDirectory, X.500, SUN directory server 6/6.x/7.x, ODSEE 6.3.1/greater

Scripting:

Shell script, WLST, ANT, Maven, and Python.

Protocols:

Http, Https, Ftp, t3, t3s, TCP/IP, LDAP, SNMP

Platforms:

RedHat Linux 7.2, Solaris 8/10, Red Hat Linux 4/5, Linux 2.6.32, RPM, AIX 5.3, Windows XP/2003

Others:

IBM WebSphere MQ, SunOne Directory Server, CA SiteMinder, Wily Introscope 7.x, Jconsole, LAN/WAN, HP OVO, Java 1.4/1.5/1.6, OEM Could Control.

Professional Experience:

LDAP – IBM SDS Technical Architect May 2017 – Till date

•Responsible for designing, implementing and testing scalable and secure LDAP- Identity and Access Management security infrastructure

•Engineer LDAP directory solutions for applications and evaluate LDAP-related technologies

•Develop LDAP technology standards and directory synchronization processes

•Support single sign-on authentication for our intranet and extranet applications

•Produce LDAP schema designs and operational plans for populating, maintaining, operating, deploying and enhancing various forms of Enterprise Level Directories

•Understand and refine the Role Based Security framework used for authentication and single sign-on

•Demonstrate proficiency with common aspects of directory design (namespace, schema, security, topology, etc.) and be versed in Schema Extension, Migration and Merging Strategies

•Participate in the planning and development of a Security API, which leverages a Role Based Security Framework for use with our web based applications

•Review audit logs, directory usage, server performance and directory performance on regular basis

*Upgrades, migrations, certs, patchwork, troubleshooting, etc

Environment: IBM Security Directory Server 6.4, Redhat Linux 6.2, Qrador, Nagios, ISAM 9,

Quest Diagnostics, Mason, OH May 2016 – April 2016

LDAP Systems Engineer

Extensive experience with RedHat Directory Services (389-based LDAP).

Design, configure, install, monitor and tune N-way MultiMaster LDAP environment, with slaves.

Configure, install and monitor 2-way replication between N-Way MMR in Primary and D.R. sites.

Create and tune Directory Services Indexes.

Configure Slave instances for Reads with automatic referal to Master for updates.

Configure LDAP monitoring/alerting scripts for use under the Nagios Monitoring Platform.

Help create LoadTesting scripts, for testing LDAP configuration.

Installed, configured, maintained RH-SSO 7.0.

Load and Stress testing of LDAP environment.

Capacity planning and recommendations.

Identify performance bottlenecks.

Loadbalancing ReadRequests to multiple Slaves.

Create scripts for exporting LDAP data (LDIF) for easy backups and restore ability.

Create scripts for automated deploy of LDAP environment, with ability to import LDIF files, for repopulating data.

Create and implement ongoing patching and upgrade strategy for LDAP servers.

Create high-level as well as detailed Architectural Documents.

Create documents to help support teams troubleshoot issues in Production and other environments.

Train Operations personnel, for ongoing support. Other tasks and activities as needed for successful implementation and operations of the environment..

Environment: RedHat Directory Server 10, RedHat Enterprise Linux 7.2

AT&T, Bothell, WA May 2014 – May 2016

LDAP Admin

Experience in LDAP/Directory Services domain specializing in Oracle/Sun One Java Enterprise Directory Server

Excellent knowledge with OIM, OAM Ldap directory servers.

Experience in setting up the Unix and Linux servers in Web application domain App and Web servers.

Experience in installing/ applying patches/setup paths for Linux, Weblogic and SunOne technologies.

Experience in Application Build process and working independently in application build and install apps

Experience in working with Unix/Linux Admn, application architects, and software vendors.

Skilled in maintenance and support of LDAP Directory Services in both UNIX/Solaris and Windows based environments

Developed organizational units in Active Directory (AD) and managed user security with group policies.

Created user ID's, roles, groups OU's etc.

Created and implemented AD services on two Windows 2008 servers

CA SiteMinder SSO and Federation Services (SAML), APS configuration/setup, troubleshooting issues with Siteminder/Websphere/Tomcat/JBoss

Experience in analyzing the logs /heaps to identify issues and work with Admn, Developers in resolving the build/ software issues

Hands on experience in Cloud server’s technology.

Working experience working with Websphere to deploy, manage applications and services also to enhance security using administrative servers

Deploying applications in WebSphere Decision Server to work with one of the core product (WebShpere ILOG JRules) to decide business outcome through execution of business rules against available data

Hands on experience to trigger, assemble, deploy, manage builds using Jenkins

Hands on experience working with Bugzilla to deploy database changes through sql queries as BBO Rulesql, bpeFront, bpeBack, BOReplayProcess

Experience working in Hudson (a Java app which runs on Tomcat) to grab the code, run/deploy, test (when provided) and report back the test results.

Environment: WebLogic Server 8.1/9.2/10.x/11g, IBM Tivoli Directory Server 6.3, Novell eDirectory, X.500, Linux 2.6, Ndoejs 11, Apache/SunOne, Maven, SVN, Hudson, Jenkins, Websphere ILOG JRules V7.1.1, SUN directory server 6/6.x/7.x. ODSEE 6.3.1/greater

DirecTV, Culver Blvd., LA, CA October 2013 – April 2014

24 X 7 Production Support / LDAP Admin

Production support web support engineer providing 7X24 expert technical support and consultation for WebLogic, OSB, and OEM, OEM cloud control, Webservers running on Linux 2.6.32, Solaris 10 and RHEL 4 operating systems

Experience in LDAP/Directory Services domain specializing in Oracle/Sun One Java Enterprise Directory Server

Excellent knowledge with OIM, OAM Ldap directory servers.

Creating repeatable documented processes for importing services onto the middleware platform, creation of automation for repeatable work.

Installing and configuring new Tomcat & Oracle Fusion

Maintaining and debugging existing applications that interfaces with a database back end.

Reporting on incidents and following through a resolution.

Identifying offending processed in various systems and prevents future occurrences.

Creating technical procedures to prevent unscheduled outrages.

Production support web support engineer providing 7X24 expert technical support and consultation for WebLogic, MQ Series Messaging, and Sun One Webservers running on Solaris 8, Solaris 10 and RHEL 4 operating systems.

Unix shell scripting for alerting and alarming on applications.

Working experience using HP OVO java console for viewing and monitoring OVO alarms.

Skilled in maintenance and support of LDAP Directory Services in both UNIX/Solaris and Windows based environments

Analysis, planning and implementation of systems software and/or hardware.

CA SiteMinder SSO and Federation Services (SAML), APS configuration/setup, troubleshooting issues with Siteminder/Websphere/Tomcat/JBoss

Analyzed, designed, coded, tested, debugged, maintained, modified and documents operating systems.

Working experience to define systems hardware and/or hardware requirements and determines systems specifications and/or customizations.

Responsible for Installation, Configuration, Tuning and troubleshooting of WebLogic Server and migration of applications from WebLogic 10.3.0 to 10.3.5

Build, configure, debug and support SOA Suite 11g and fusion middleware applications such as OSB, and BAM in a multi-instance hosting environment.

Administrated using the system administration tools like System Administration console, Node Manager, WLST and Command-Line interface.

Deployed Enterprise Java Beans, Web Applications, Enterprise Applications and configuration, troubleshooting performance.

Web Server / Proxy Server Setup and Administration for Apache 2.0/2.2 with WebLogic 10.3.5.

Automation of existing domains to outcome CPU architecture, OS release version, RAM sized, server platform, user management, back-ups, domain, monitoring etc. using extensive usage of Shell and Phython scripts.

Configured Node Manager to start and stop managed servers from admin console.

Created in both Clustered and non-Clustered environments.

Extensively worked on the Node Manager Configuration, Deployment of components and performance tuning including troubleshooting and maintenance.

Configured Clusters, load-balancing and fail-over solutions and Web Server plugins for WebLogic application server.

Developed and troubleshooting in programming language of Java1.4/1.5/1.6.

LDAP, Oracle 8i/9i/10g on UNIX (Solaris/AIX/Linux) and Windows 2000 /2003 environments.

Environment: Oracle WebLogic Server 8.1/9.2/10.x/11g, OSB, OEM, OEM Cloud Control, ODSEE 6.3.1/greater, IBM Tivoli Directory Server 6.3, Novell eDirectory, X.500, ODSI, JDBC, Red Hat Linux, WSDL, SVN, Hibernate, Oracle 9i/10g, Oracle ERP, Jconsole, WLST, RHEL 4/5, MQ series, IIS, SQL, JDK 1.6, SUN directory server 6/6.x/7.x etc.

Wells Fargo, San Francisco, CA June 2013 - October 2013

24 X 7 Production Support / LDAP Admin

Production support web support engineer providing 7X24 expert technical support and consultation for WebLogic, MQ Series Messaging, and Sun One Webservers running on Solaris 8, Solaris 10 and RHEL 4 operating systems.

Unix shell scripting for alerting and alarming on applications.

Working experience using HP OVO java console for viewing and monitoring OVO alarms.

Experience in LDAP/Directory Services domain specializing in Oracle/Sun One Java Enterprise Directory Server

Excellent knowledge with OIM, OAM Ldap directory servers.

Analysis, planning and implementation of systems software and/or hardware.

Analyzed, designed, coded, tested, debugged, maintained, modified and documents operating systems.

Coordinated with the design of subsystems and integration of total systems.

Automation of existing domains to outcome RAM sized, server platform, user management, back-ups, domain, monitoring etc. suing exentive usage of Shell and Phython scripts.

Identified and resolved highly complex problems.

Provided direction and/or guidance to less experienced staff.

Responsible for Installation, Configuration, Tuning and troubleshooting of WebLogic Server and migration of applications from WebLogic 10.3.0 to 10.3.5

Build, configure, debug and support SOA Suite 11g and fusion middleware applications such as OSB, and BAM in a multi-instance hosting environment.

Administrated using the system administration tools like System Administration console, Node Manager, WLST and Command-Line interface.

Worked closely with development and testing teams to implement fixes in Testing and Production environments.

Configured Node Manager to start and stop managed servers from admin console.

Created in both Clustered and non-Clustered environments.

Set up and configured MQ series messaging service via JMS Server.

Extensively worked on the Node Manager Configuration, Deployment of components and performance tuning including troubleshooting and maintenance.

Skilled in maintenance and support of LDAP Directory Services in both UNIX/Solaris and Windows based environments.

Certificates generation and installation using OpenSSL and Keytool.

Automation of existing domains to outcome CPU architecture, alert on HighCPR usage, server platform, user management, back-ups, re-store of application servers, domain, monitoring etc. using exentive usage of Shell and Phython scripts.

Performed Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps and analyzing to find the problems in application. Configured the Session Management i.e. Memory to Memory and Database replication on WebLogic Application server and JBoss App Server.

Excellent knowledge with OIM, OAM Ldap directory servers.

Used config wizard extensively to create and manage WebLogic domains

Configured multiple domains on Weblogic in order to deploy various applications.

Performed scalability, reliability, performance tuning and capacity planning

Environment: Oracle WebLogic Server 8.1/9.2/10.x, Tomcat 5.5, Apache 2.x, Sun One Web Server 6.x, ODSEE 6.3.1/greater, SUN directory server 6/6.x/7.x, iPlanet Directory Server 5.0, J2EE, Wily, Unix/Linux, F5, IBM Tivoli Directory Server 6.3, Novell eDirectory, X.500, Hibernate, Hudson, Oracle 9i/10g, Oracle ERP, Jconsole, WLST, Ant, Maven, RHEL 4/5, MQ series, IIS, SQL, JDK 1.6 etc.

Master Card, OFallon, MO July 2012 - May 2013

LDAP Administrator

Responsible for Installation, Configuration, Tuning and troubleshooting of WebLogic Server and migration of applications from WebLogic 10.3.0 to 10.3.5

Configured Node Manager to start and stop managed servers from admin console.

Created in both Clustered and non-Clustered environments.

Set up and configured MQ series messaging service via JMS Server.

Extensively worked on the Node Manager Configuration, Deployment of components and performance tuning including troubleshooting and maintenance.

Configured Clusters, load-balancing and fail-over solutions and Web Server plugins for WebLogic application server.

Installed and Configured of F-5 / BIG IP Load Balancer to work with Weblogic Server.

Certificates generation and installation using OpenSSL and Keytool.

Experienced in J2EE (JSP, Servlets, EJB, JNDI, JMS), Java2.0, JDBC, Java Beans, RMI, CORBA, JavaScript, XML, HTML, SQL.

Developed and troubleshooting in programming language of Java1.4/1.5/1.6.

Excellent knowledge with OIM, OAM Ldap directory servers.

LDAP, Oracle 8i/9i/10g on UNIX (Solaris/AIX/Linux) and Windows 2000 /2003 environments.

Managed enterprise information with Oracle Content Management.

Installed and configured of hardware and software, migrating systems to current OS releases, upgrading software and tools.

Automation of existing domains to outcome server platform, user management, back-ups, alert on high CPU Usage, monitoring etc. suing exentive usage of Shell and Phython scripts.

Performed Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps and analyzing to find the problems in application. Configured the Session Management i.e. Memory to Memory and Database replication on WebLogic Application server and JBoss App Server.

Used config wizard extensively to create and manage WebLogic domains

Performed scalability, reliability, performance tuning and capacity planning

Environment: Oracle WebLogic Server 8.1/9.2/10.x, Tomcat 5.5, Apache 2.x, Sun One Web Server 6.x, ODSEE 6.3.1/greater, Oracle E-Business Suite, iPlanet Directory Server 5.0, J2EE, Wily, Hibernate, Hudson, Oracle 9i/10g, Anthill 1.5, Oracle ERP, Jconsole, WLST, Ant, Maven, RHEL 4/5, MQ series, IIS, SQL, JDK 1.6 etc.

DFS, FL Jan 2010 – Jun 2012

Middleware/ LDAP Admin

Expertise in migrating WebLogic server 9.2 to 10.0 MP1 including Configuring and administration of the WebLogic based environment

Configured WebLogic 10.0 MP1 With extensive experience in configuring the web application for new version.

Work with application development teams on troubleshooting Tomcat administration issues.

Administrative observation of major J2EE technologies such as JDBC, JNDI, JMS, JMX

Worked on both Clustered and non-clustered environments for web and application servers

Experience with Installation and Configuration of F-5 / BIG IP Load Balancer to work with Weblogic Server

Set up and configured MQ series messaging service via JMS Server.

Worked with WebLogic Scripting tool WLST to automate the domain creation process.

Configured and Installed Iplanet 6.0 as webserver also involved in administration for the web server

Extensively Worked on Windows XP, Sun Solaris, Red Hat Enterprise Linux, Redhat package manager and HPAUX- Open view administration platforms

Configured and Installed Apache Tomcat 5 for the proxy server.

Worked with JVM (Jrockit) for monitoring the HEAP SIZE and Performance of the servers using JVM management Console

Resolve all build/deployment issues with ant / maven

Tuning JVM heap size to maximize the number of clients accessing the applications.

Configured the JDBC connection pools and multipools for the application using ORACLE thin drivers.

Automation of existing domains to outcome RAM sized, monitoring etc. using exentive usage of Shell and Phython scripts.

Excellent knowledge with OIM, OAM Ldap directory servers.

Worked with Jprobe Profiling tool for the optimization of the application.

Created and monitored the JMS Server, JMS Connection Factories, Queues, Topics, Database Store and Message Bridges

Involved in 24/7 support for production environments

Environment : WebLogic 8.1/9.2/10.0, JBoss 4.x/5.x, Apache Tomcat 5.x, HP OVO, iPlanet, SUNOne, Oracle ERP, Apache, Oracle E-Business Suite, Windows 2003/2008, Perl, MQ Series, Clarify, Reghat Linux, RPM, Solaris 9/10, Shell Scripting, Oracle 9i, Oracle 10g, JDK 1.5.

PricewaterhouseCoopers, Tampa, FL Jan 2009 – Dec 2009

LDAP Administrator

Installed configured and administered BEA WebLogic Server 8.1/9.2 in various environments.

Configured and administered J2EE services including JDBC JMS and JNDI in WebLogic Server 8.1/9.2.

Installed and configured Sun One Web Server (iPlanet) in testing integration and prepaid

environments to work with WebLogic Server. Also configured LDAP for user authentication.

Configured and administered JDBC connection pools and Data sources for WebLogic server with Oracle9i database.

Deployed applications on multiple WebLogic Server instances and maintained Load balancing High availability and Fail over for the servers.

Deployed WAR JAR and EAR applications in clustered WebLogic 8.1/9.2 for System Test and Pre-Production environments.

Experience with Installation and Configuration of F-5 / BIG IP Load Balancer to work with Weblogic Server

Configured Clustering of EJB objects JDBC connections and JMS connection factories.

Used config wizard and config builder extensively to create and manage WebLogic domains.

Shell scripting to automate the maintenance process of the WebLogic Application Server and recover the backed up WebLogic configuration

Developed Startup and Shutdown scripts for the servers. Also experience in automating various process like Heap dump and Thread dump. Good skills in analyzing thread and heap dumps.

Involved in coding and developed server side pages using JSP and Servlets and used JavaScript for client side validations.

Used config wizard extensively to create and manage WebLogic domains.

Monitoring WebLogic performance using JMX client using Jconsole

Managed and monitored the performance of JVM by tuning heap size and garbage collection parameters.

Troubleshooting any issues that arise during the release or deployment process.

Updated BEA license keys on WebLogic servers; communicated with Oracle to reconfigure licenses the application.

Provide 24/7 on call Production Support on rotation basis

Environment: Sun Solaris 2.8, Windows 2K,AIX, WebLogic Application Server 8.1, iPlanet WebServer 6.0, LDAP, Java, J2EE, JSP, Servlets, EJB, XML, JDBC, JavaScript, Oracle 9i, DB2, HTML, Shell scripting, JDK 1.4 etc.

Synova Innovation Technologies, India Mar 2007 – Dec 2008

Security Engineer /LDAP Administrator

Installed, configured and administered BEA Weblogic server 8.1 using graphic mode and silent mode.

Configured new Weblogic domain using graphic mode and silent mode installation.

Created managed servers and configured Node Manager for these managed servers.

Involved in cluster environment creation and deploying various J2EE applications on the cluster and implemented Load Balancing, High Availability and Failover features.

Performance monitored by observing JVM Heap Size on regular intervals and invoking Java Garbage collector to free up JVM Heap memory.

Working knowledge of IBM-MQ Series for messaging service.

Thread and Heap analysis using thread dump tools like samurai and TDA and finding the blocking and locked threads.

Environment: WebLogic 7.x/8.1, UNIX, LINUX, Windows 98/2000/XP/NT, JDK 1.1/1.2/1.3/1.4, Samurai, Load runner, TDA, SSL, JDBC,IBM-MQ Series SQL/PL-SQL, JSP, Servlet, EJB, HTML, XML.

GATI Limited, India Aug 2005 – March 2007

J2EE Developer

Experience in heavy core java (JDBC, Concurrency, Collections, Design Patterns)

Requirements gathering from business and defining specifications for the system.

Strong multi-threading development experience.

Designed and developed Use-Case Diagrams, Class Diagram and Object Diagrams using UML Rational Rose for OOA/OOD techniques using Enterprise Architect.

Developed ER and UML diagrams for all the design, and documented all the process flows using Enterprise Architect.

Used JSF features for multiple client devices, Extensive tool support.

Analysis, Design, and Implementation of software applications using Java, J2EE, XML.

Environment : Java, J2EE, JSP, JDBC, EJB HTML, XML, NetBeans 3.5/3.6, Windows 98/Me/XP/03, Apache Tomcat 3.0/3.3.2

Educational Qualification:

Master of Computer Applications, Osmania University, India, 2005

Certifications:

Sun Certified Java Programmer1.5

Oracle 10g WebLogic certified



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