Lalith

adhkv5@r.postjobfree.com

408-***-****

Profile Summary:

•Over 10+ years of experience in administrating Middleware components form vendors like IBM, Oracle, Jboss, Apache Tomcat.

•Expertise in planning, installation, configuration, administration of WebSphere Application Servers on Linux, AIX and Windows server operating systems and on cloud based services AWS.

•Expertise in Patching WebSphere with Refresh packs, fix packs and ifixes. Experience in integration of various data sources with Relational Databases like DB2, Oracle, SQL Server.

•Migrated WebSphere Application Server from 6.1 to 7.x and 8.0.

•Experience in deploying and Troubleshooting J2EE applications in WAR, JAR and EAR formats on various Application Server Vendors.

•Implemented Liberty profile which is a lightweight version of WebSphere Application Server.

•Expertise in installation, configuration and maintenance of IBM WebSphere Application Server (WAS), BPM and ODM.

•Experience in problem tracing, log file managements and implementing the workload Management (WLM) using cloning and clustering.

•Setting up WebSphere MQ clusters, configuring and tuning Queue managers, Queue, channels and Listeners.

•Provided technical assistance in monitoring, tuning, backup/restore, upgrades, failover and recovery and upgrades of WebSphere Environment for availability, scalability, maintainability and WLM (Work Load Management) using cloning and clustering including horizontal and vertical cloning.

•Expertise in cluster management implemented horizontal clusters, vertical clusters and hybrid.

•Troubleshoot application related issues, and interact with Development staff in performing complex testing

•Expertise in configuring SSL on Web Server and WebSphere Environments

•Involvement in performance monitoring and tuning by using the Tivoli Performance Viewer and Wily Introscope on IBM Web Sphere Application Server 6.x./7.x/8.x

•Expertise in creating CSR requests and implementing mutual SSL between WebServer and WebSphere Application Servers.

•Proficient in configuring various WebSphere resources like Data sources, JMS Queues and Queue Connection Factories, and Listeners and configuring communications of WebSphere Cell with Databases, LDAPs, and MQ Servers.

•Monitored and Configured WAS servers and diagnosed/resolved WAS issues and failures.

•Proficient in deploying J2EE applications on WebSphere Application Server using deployment tools such as Jenkins and ANT.

•Secured the communication channel between Client and WebServer, WebServer Plug-in and WebContainer.

TECHNICAL SKILLS:

Operating Systems RedHat(RHEL), SUSE 11, AIX, Windows 2003/2008/2012.

Identity and Access Management IBM ISAM 9.0.x.

Middleware WebSphere MQ, BPM, ODM.

Application Server/Web Server WebSphere 8.5.5.X/7.x/6.x, Liberty Profile 8.5.5.X, IBM HTTP Server, IIS, Tomcat 7.x/6.x/5.5/ 4.1, Apache 2.x, Web logic Application Server.

Cloud Services AWS(EC2, VPC, S3, IAM)

Application Monitoring software AppDynamics, Dynatrace, Wily Introscope, Visual VM, Tivoli performance Viewer.

Network Troubleshooting Wireshark

Infrastructure Monitoring Nagios, Grafana.

Security Monitoring QRadar, Splunk.

CI Jenkins.

Scripting Languages Bash Shell Scripting, PowerShell, python

Networking/Protocols TCP/IP, HTTP/HTTPS, SSL/TLS, FTP/SFTP, SOAP, LDAP.

CERTIFICATIONS:

IBM Certified WebSphere Application Server ND v8.5.5 System Administrator.

PROFESSIONAL EXPERIENCE:

Reinsurance Group of America Sep 2019 – present

Sr. Systems / Middleware Administrator

Responsibilities:

Maintaining F5 BIG-IP LTM and GTM and automating the tasks for creating virtual servers.

Creating Jenkins pipelines for F5 based automation and for applications.

Automating the process of creating IIS websites and pools through Jenkins.

Installed and Maintaining Sonatype Nexus Repository OSS for artifact storage.

Configured monitoring for hosts and services with nagios XI.

Maintaining the existing WebSphere and Weblogic environments using Ansible and Jenkins.

Installing and maintain the Jenkins environments and creating containerized Jenkins slaves.

Maintaining the SSL/TLS certificates.

Worked on Active directory (AD) integration for authentication and authorizing.

Worked with Ansible to deploy configuration changes in multiple instances at once.

Working with Infoblox for ip assigning with networking team to configure DNS, Firewall, requests.

AT&T May 2017 – present

Sr. WebSphere/ISAM Administrator

Responsibilities:

Worked on installation and configuration of ISAM 9.0.x on test and production environments.

Used OAuth/OpenID connect mechanisms and policies for implementing mobile-based single sign-on (SSO), fallback authentication between corporate applications for both mobile and web-based applications.

Worked on HTTP transformation rules, mapping rules.

Implemented different OAuth client definitions as required by the clients.

Worked on externalizing the database for storing/accessing access tokens/refresh tokens.

Configured external federated directory into the appliances.

Worked with B2B applications to gather requirements and implementing necessary application flows.

Worked on Federations between OP (OpenID provider) and the RP (Relying party)

Implemented certificate-based authentication for mobile applications.

Actively working with the clients to analyze, debug issues and applying fixes

Analyze threads and other performance metrics on the appliances and actively fixing them.

Worked with various teams inside the organization for actively monitoring all the appliances/servers using Nagios/Qradar.

Worked with Qradar to analyze and take reports for various activities on the production and non-production environment and actively responding to the alerts and fixing the issues.

Monitoring the environment and actively working with clients if there is any production/non-production issues/outages.

Setup Grafna for infrastructure monitoring for a critical project which is run on AWS EC2.

Maintaining SSL keystore and run reports on regular intervals to maintain.

IBM/BNSF Nov 2015 – May 2017

Sr. WebSphere Administrator

Responsibilities:

•Installed, Configured and Administered WebSphere Application Server, BPM and ODM.

•Implemented Decision Server Insights as a part of ODM upgradation.

•Configured Global Security using LDAP and synchronized it with BPM.

•Worked on IBM Process Center and Process Server.

•Configured 3-Cluster topology environment for QA and PROD.

•Administering deployment and debugging of BPM Snap shots on both Online and Offline servers.

•Purging the Process Center and Process Server for improving performance bottlenecks.

•Migrated WebSphere and BPM platforms to latest versions.

•Worked on performance tuning and optimized various configuration settings such as thread pools, JMS queues, Messaging Engines, Connection pooling.

•Worked with ODM components – Rule Designer, Decision Server, Decision Center.

•Configured ODM Clusters to provide HA.

•Migrated Rules from previous versions to ODM 8.x

•Deployed Rules to QA and Prod.

•Installed configured MQ and WMB/IIB.

•Created and configured MQ Clusters, Server Gateways and Client Gateways.

•Deployed message flows and message sets and provided technical assistance in debugging production issues.

•Worked on Problem/Incident Management.

•Upgraded/Patched WebSphere, BPM, WMQ and WMB with latest fixpacks and ifixes.

•Provided on-call support 24/7 on rotation policies.

Environment: IBM WebSphere Application Server 8.5.5.x,7.0.x,6.0.x IBM HTTP Server 8.5.5.x,7.0.x,6.0.x, BPM 8.5.x.x, ODM 8.x, ODM DSI 8.x, WebSphere MQ 7.0/7.5, WebSphere Message Broker 8.0, Oracle Database, RHEL 6.

Comerica Bank, Auburn Hills, MI Nov 2014 – Nov 2015

Sr. WebSphere Administrator

Responsibilities:

•Middleware Administration of IBM WebSphere Application Server 8.5.5.x, 7.0.x and 6.0.x on UNIX & Linux platform. Configured and tuned JVM for optimum performance.

•Installation, configuration, administration and performance tuning experience for WebSphere Application Server, Tivoli Access Manager TAM.

•Install and configure TAM resource managers. Create domains and sub domains for management purposes.

•Involved in performance tuning of Application Server, Web Container, EJB Container and database connection pool. Experience in migrating the WebSphere applications from 7.0.0.17 to 8.0.x.

•Involved in implementing Liberty core which is a light weight implementation of Application server geared towards developers.

•Deployed applications on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshot various configuration and application issues.

•Administration and Middleware Support while interacting closely with Architecture, DBA, Network, Windows and UNIX team.

•Deploying different applications like WAR files, EJB jars files and enterprise application archives (EAR) on WebLogic using various deployment tools ( Console, weblogic.Deployer, and WLST).

•Installed and configured MQ and Message Broker for High Availability.

•Created Queue Managers, Queues and MQ Objects (Channels, Process Definitions, Triggers).

•Created and Configured multiple brokers and Configuration Managers.

•Worked closely with Admin team to improve the performance of Message flows.

•Designed Fail over and High Availability for WMQ and WMB.

•Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console.

•Skilled in implementing the Global Security in WebSphere using federated repositories, Custom User Registry, Local OS Registry and LDAP Server and configuring SSL and Single Sign On.

•Performed tuning of WebSphere application server for optional performance based upon user load.

•Automate application install, uninstall and application enhancements, managed Cron jobs, batch processing and job scheduling using shell scripts.

•Configured Clusters and Instances for improved availability and failover capability.

•Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.

•Monitored the health of the JVM taking Thread Dumps and analyzing the stack trace these helped in performing Root Cause Analysis.

•Used Heap Analyzer and GC Analyzer to tune the WebSphere JVMs.

•Designed SSL configuration of IBM HTTP Server and WebSphere Environments to secure transactions using VeriSign/Symantec Certificates.

•24X7 On-call support on rotation basis.

Environment: IBM WebSphere Application Server 8.5.5.x,7.0.x,6.0.x IBM HTTP Server 8.5.5.x,7.0.x,6.0.x WebSphere MQ 7.0/7.5, WebLogic Server 11g, WebSphere Message Broker 8.0, Oracle Database, Linux, Plugins 8.5.5.x, SLES 11, TAM 6.x.

TIAA-CREF, Charlotte, NC May 2014 – Nov 2014

Sr. WebSphere Administrator

Responsibilities:

•Middleware Administration of IBM WebSphere Application Server 6.0.x & 7.0.x, on UNIX & Linux platform. Configured tuned JVM for optimum performance.

•Well versed in different stages of implementing the Workload Management (WLM) and failover using vertical, horizontal & hybrid clustering for efficient use of resources on single and multiple machines.

•Administration and Middleware Support while interacting closely with Architecture, DBA, Network, Windows and UNIX team.

•Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console.

•Performed tuning of WebSphere application server and Apache Tomcat for optional performance based upon user load.

•Automate application install, uninstall and application enhancements, managed Cron jobs, batch processing and job scheduling using shell scripts.

•Configured Clusters and Instances for improved availability and failover capability.

•Monitored Applications and WAS performance through Tivoli Performance Viewer and tuned the system – caching, queuing, JVM parameters, DB Connection Pooling.

•Monitored the health of the JVM taking Thread Dumps and analyzing the stack trace these helped in performing Root Cause Analysis.

•Used Heap Analyzer and GC Analyzer to tune the WebSphere JVMs.

•Designed SSL configuration of IBM HTTP Server and WebSphere Environments to secure transactions using VeriSign Certificates.

Environment: IBM WebSphere Application Server 6.0.x & 7.0.x, IBM HTTP Server 6.0.x & 7.0.x, WebSphere MQ 7.0/7.5, WebSphere Message Broker 8.0, Oracle Database, Linux, Plugins 8.0, Tomcat Server, RHEL 5, IBM Tivoli Access manager.

JP Morgan Chase, Delaware, DE July 2013 – Apr 2014

Sr. WebSphere Administrator

Responsibilities:

•Installed and configured WebSphere Application Server 5.x/6.x on Sun Solaris 7.x/8.x, Linux and Windows servers on Dev, Stage and prod Environments.

•Experience in installation, configuration, deployment and management of Enterprise Applications in a clustered and non-clustered environment using IBM WebSphere Application Server.

•Experienced in configuring and managing resources like JDBC, JMS, SIB and WebSphere Variables.

•Excellent database knowledge in Oracle, DB2 and MS SQL Server.

•Skilled in implementing the Global Security in WebSphere using federated repositories, Custom User Registry, Local OS Registry and LDAP Server and configuring SSL and Single Sign On.

•Experienced in authentication management, access control, user administration and resource provisioning.

•Experience in troubleshooting performance problems (memory/heap, CPU starvation, hung threads) using Tivoli Performance Viewer, Wily Introscope, Log Analyzer, Heap Analyzer, Thread Analyzer, Application Server Toolkit (AST), and IBM Support Assistant.

•Highly experienced in developing wsadmin scripts (Jython, JACL), Ant and Shell scripts to administer and automate batch job scheduling.

•Provided support for development, Test, UAT and production environments in activities such as load testing, troubleshooting and performance tuning.

•Experience with IBM on problem determination, troubleshooting, and resolution – PMRs, running and submitting, gather scripts and log info, tuning, trace, verbose-GC, taking thread and heap dumps.

•Performed Root Cause Analysis for production outages and provided management with analysis reports.

•Provided 24/7 on-call support on rotation basis for applications running in production on WebSphere Application servers.

Environment: IBM WebSphere Application Server 5.x/6.x, Windows, Linux, IBM HTTP Server, Tivoli Performance Viewer, ITCAM, LDAP, TAM, WPS, Oracle, DB2/UDB, HTML, Wsadmin, JACL scripts, J2EE, Service Center.

SCIF, Pleasanton, CA Jan 2013 – June 2013

WebSphere Administrator

Responsibilities:

•Deployment/administration of Web Sphere application servers on UNIX, Linux & Windows (LUW) Platform.

•Middleware, Deployments, Builds and RTS

•Experienced in migrating applications from old version to 8.5 of WebSphere Application server

•Troubleshoots and resolves middleware issues across development, testing, and production environments

•Deployed applications on WebSphere Application Server Network Deployment in QA, Staging and Production environments on a daily basis and troubleshot various configuration and application issues.

•Wrote scripts for accessing remote Admin Servers, cleaning up logs during back-ups.

•Added redirects and proxy statements in the proxy servers.

•Configured WebSphere to produce and gather garbage collector logs, JVM performance metrics, and the use of profiling data to leverage from Session and State beans for different aspects of the application

•Analyze monitoring results to produce recommendations for improving performance and operational efficiency

•Installed MQ on new servers, transferred Queue Manager and all objects including queues (with existing messages in them), processes and channels to newly added servers and flawlessly reproduced the Production environment

•Troubleshooting problem-tickets, worked with developers to identify the root cause and resolve the issue or propose a potential work around.

•Configured enterprise applications and corrected performance problems by monitoring server availability and resource utilization analysis.

•Responsible for monitoring applications and other MQ objects using TIVOLI.

•Troubleshooting and successfully resolved LDAP, SiteMinder, WAS, MQ, code, data issues

Environment: WebSphere Application Server 6.x/7.0/8.x, IBM Rational, WebSphere Message, Web sphere MQ 6.x, IPAS Oracle DB2 10/11g LUW, LDAP, Apache Http Server, Tivoli.

Parkland Hospital Systems, Dallas, TX Apr 2010 – Dec 2012

WebSphere Administrator

Responsibilities:

•Installed and configured WebSphere Application Server v7.0/6.1 in a Network Deployment fashion utilizing both vertical and horizontal Clustering across multiple machines on RED HAT LINUX using the Profile creator for creating DM profile and Custom Profiles.

•Installed, Configured and Maintained IBM Web Sphere 6.1/7.0 on CICS TG server, and for z/OS modes of operation.

•Installed EARs, WARs and configured application specific JVM settings, Web container parameters using the Admin Console scripts.

•Implemented the Clusters / Server Groups and Cluster Members /clones (Vertical scaling & horizontal scaling) for fail over and distribute the workload on WAS 6.0/6.1, WAS MQ6.0.

•Involved in migration of some of the applications from WAS 6.0 to WAS 6.1 and WAS 7.0.

•Created, renewed and configured SSL certificates by either creating Self-Signed Certificates or by importing new signer certificates into the WebSphere key store.

•Involved in configuring the WebSphere load balancing utilizing WebSphere Workload Management including horizontal scaling and vertical scaling.

•Developed many JYTHON and shell scripts to automate the maintenance process of the WebSphere Application Server.

•Profiled all the J2EE Applications and worked with Application Development, and QA teams to resolve possible memory leaks, improve application integrity, performance and resolve all issues, bugs before deploying in Production.

•Configured WebSphere to produce and gather garbage collector logs, JVM performance metrics for different aspects of the application.

•Configured resources for enterprise applications like configuring JDBC providers, configuring JMS providers, configuring URL providers, configuring Mail Providers.

•Deployed application ears on WebSphere Application Server ND in Test, Stage and Production environments on a daily basis and troubleshot various configuration and application issues.

•Worked on troubleshooting applications using logs, traces, Log Analyzer and Tivoli Performance Viewer.

•Implemented health check process for WebSphere Application Server and IBM Http Server.

Environment: IBM WebSphere Application Server Network Deployment 5.1/6.0/6.1/7.0, IBM DB2, Informix, IBM Http Server 6.1/7.0, Linux, SLES and HP-UX, z/OS, WAS MQ6.0/7.0, JYTHON, JACL.

Educational Qualifications:

Electronics and communication engineering, JNTU, Hyderabad, India.

Contact this candidate