JOSEPH FERRAO

Middleware Engineer in IBM WebSphere/JBoss/Apache Tomcat/Oracle WebLogic

(with clearance)

SUMMARY

Over 9+ years of experience in IT industry in various roles as WebSphere, DevOps, Build and Release engineer, Configuration manager with excellent experience in Software Integration, Configuration, packaging, building, automating, managing and releasing code from one environment to other environment and deploying to servers.

Worked in container-based technologies like Docker and open shift.

Highly experienced in installing, upgrading, migrating, configuring and troubleshooting IBM WebSphere Application server V9.0/V8.5.5/7.x/6.x,

WebLogic 11gR1(10.3.2,3,4,5,6),12c(12.1.1,2,3), Tomcat Application Servers V8.x/V7.x/V6.x on Linux, AIX, HP-Unix, Sun Solaris and windows platforms.

Experience with Configuration Management, Build, Deploy, Release Management and Quality Assurance.

Experience with installation, upgrade, configuration, troubleshooting, and securing Apache HTTP and Apache Tomcat.

Hands on Experience with multiple application servers like WebSphere, JBoss Servers, WebLogic and tomcat Servers.

Experience in using configuration management tools like Jenkins.

Knowledge of the principles, methods, and techniques used in Tomcat administration and support.

Understanding Web services technologies such as: Websphere, Apache-Tomcat, JBOSS, WebLogic.

Working knowledge of Build scripts & automated solutions using various scripting languages like Shell, bash, csh and ksh.

Knowledge on protocols like HTTP, Firewalls, DMZ, TCP, DHCP, DNS and SSL/TLS and firewalls like iptables.

Worked on monitoring tools like Appdynamic, HPdiagnostics, Splunk, CA Wily to health check the various deployed resources and services.

Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub, Nexus and Maven.

Install binary/patch management as required to overcome software bugs, configure these products; JVM instances, created clusters, connection pools, and JDBC drivers, and generated and installed plug-ins.

Set up high-availability, load management and clustering, fault tolerance for various COTS projects, and provided implementation and operational support for integration solutions, setup monitoring system and performance tuning.

Implemented single sign-on (SSO) using Kerberos; implemented login and file alter monitoring in production systems; implemented SSL between client/server and server to server communication.

Architected, designed and developed infrastructure for managed file transfer in order to replace FTP/sftp based legacy solution.

Shell/Bash scripting to automate the maintenance process of the WebSphere Application Server and recover the backed up for WebSphere Application servers, JBoss and WebLogic.

Log file analysis for troubleshooting to resolve issues using scripts.

Responsible for middleware projects implementation, ensuring that servers and middleware technologies meet performance, security, and capacity standards and best practices.

Creation of SSL and Digital Certificates for requesting, generating and implementation for the communication between Webserver and the Application Server.

Involvement with the customer care and deployment teams in trouble shooting and fixing day-to- day problems of the applications in production on 24/7 schedule.

TECHNICAL SKILLS

Operating Systems

Windows 2000/2003/2008/2010 NT, Sun Solaris UNIX 5.x/8/9/10, Red Hat Enterprise Linux4, 5, 6.x., 7.x. AIX 7.x,7.1.

Application Server

IBM Web Sphere Application Server 6.x/7.x,8.x,8.5 WebSphere Portal Server 5.x/6.x, JBOSS 5.1,6.3,7.0, Site Minder 5.x/6.x, LDAP, WebSphere MQ 7. WebLogic 10,12c and tomcat 7.x/8.x/9.x

Web Servers

JBoss Enterprise Webserver(EWS) 2.2.24, JWS 3.0

Apache Webserver 2.2.

IBM HTTP server (IHS)6.0/6.1/7.0.

Network Protocols

TCP/IP, UDP, HTTP/HTTPS, SOAP, SSL, SMTP, ICMP, IMAP, POP3, NIS, NIS+, NFS, DNS, DHCP.

Monitoring Tools

Apache JConsole, gcviewer, gcwatchdog (Red Hat), visualvm, Thread analyzer, AppDynamic, Pager Duty, Site scope 11/12.

Wily Introscope, Log analyzer, Heap analyzer, HP diagnostics Tool.

Containers

Docker and openshift.

Virtualization tools

VMware, Oracle Virtual box and workstation/player.

Devops Tools

Jenkins, Sonarque server, Sonar scanner, Fortify and Jfrog atifactory.

Ticketing tools

JIRA, Service Now, Remedy, Call Center, etc.

Diploma

Hardware and Networking.

EXPERIENCE 9+ years

Mythics (with DHS client) Date: November 2020 - Till date

Sr WebLogic/Tomcat Engineer

Installed, Configured and administered Oracle WebLogic Server 10.0/11g/12c and Webservers like iPlanet/Apache in Development, Test and Production Environments.

Deployed applications (WAR, JAR and EAR) using WLST and in console mode.

Maintained Load balancing, high availability and Fail over for the servers

Installed and Configured iPlanet/Apache Plug-ins for WebLogic.

Installed and configured Siteminder for Sunone.

Configured and created JMS queues & topics, Connection Factories, Data sources, connections pools & multi connection pools.

Deployed the applications on multiple WebLogic Servers and maintained Load balancing, High availability and Failover functionalities.

Configured Node manager for administer the Managed servers.

Extensively involved in Tuning the server.

Set up Secure Sockets Layer (SSL) communication between iPlanet and the WebLogic Application Server.

Deployment and troubleshooting of JAR, WAR, and EAR files in clustered environment.

Writing various posting scripts for log rotation, log analysis.

Migrated WebLogic Server applications from existing version 8.1/9.2 to 10/12c.

Involved in performance tuning of JVM and used Garbage Collection Algorithms for better performance.

Setting up the SSH keys for different application user ids for automating tasks from remote boxes.

Experience in Oracle WebLogic server security configurations including SSL certificate installation and configuration.

Monitor and managing the WebLogic server instances using WSLT and also for the automation purpose.

Troubleshooting WebLogic Application Server connection pools and connection manager with Oracle 11/12c.

Configured and deployed applications in various work environments like Development, Test and Production.

Created bash and ksh scripts to monitor domains, recycle clusters, monitor disk space, monitor number of Apache connections, and ran them as cronjobs.

Utilized the WebLogic Admin utility for retrieving and analyzing the Thread dump information, finding the Web Logic’s Server state information, license information, storing user credentials etc.

Configured custom execute queue in WebLogic 11/12c.

Involved in trouble shooting and fixing day-to-day problems of the applications in production, production-Fix and testing environments.

Configured LDAP using directory Server for user authentication

Installed BEA patches using Smart Update tool, and troubleshooting application and post- installation issues.

Installed and Configured AppDynamic and to monitor WebLogic servers.

Anticipates and resolves potential problems, handles escalations.

Provided 24x7 support for any issues or impact caused by the New Changes

Environment: WebLogic 10/12c, Websphere 8/9,, Linux 7.0, AIX, Jira, ServiceNow(Snow),

AppDanamic, OEM, Ansible, Tomcat, F5 (Load blancer), Vmware, Apache (web server),

IBM HTTP (web server), JDK 1.8.

Capefox (with client DHS)

Sr WebSphere Engineer Date: April 2020 – November 2020

Installed and configured IBM Http Server, WebSphere Application Server Network Deployment (ND), 6.0/6.1/7.0/8.0/8.5.

Installed the fix Packs and fixes to WebSphere ND V6.0/7.0/8.5 environment, for WebSphere, plugins and IHS.

Involved in deploying the applications both from the command line using Wsadmin commands and from the admin console.

Installed and configured WebSphere Portal Server 6.0/6.1/7.0/8.0

Involved in customizing portal applications and administering users, pages, and portlets.

Created the Clustering Topology in WebSphere Application Server ND V6.x/7.0/8.0/8.5 to achieve Work Load Management (WLM), High availability, Load Balancing and Hardware fail over.

Configured Web server plug-in to directing dynamic requests to application servers for load balance in clustered environment.

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

Updated EARs for both Portal and Commerce servers.

Involved in Performance tuning such as tuning the web server by specifying the parameters for the maxclient, start servers and maxspareservers. Tuning the Servlet engine and database connection pools. Tuning the Java Virtual Machine (JVM) by specifying the minimum and maximum heap size.

Used Tivoli Performance Viewer to monitor WebSphere Applications and tuned the environment accordingly like changing the JVM Heap, and Connection Pool sizes.

Configured WebSphere resources like JVM heap settings, JDBC providers, JDBC data sources, connection pooling, Virtual Hosts, Global Security and SSL.

Involved with the SSL Certificates missing issues and installed certificates from the backup.

Involved in issues & Stopping/Starting/Restarting Apache HTTP Server using wsadmin account.

Involved in Stopping/Starting & Monitoring the logs for Application Server Instances.

Implemented Horizontal and Vertical Clustering, Performance tuning and troubleshooting of IBM WebSphere Application Server 6.0/6.1/7.0/8.0/8.5.

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

Migrated existing applications from WebSphere V6.0 to V7.0 and V7.0 to V8.5.

Involved in issues like Application not responding. Application Deployment Errors, Wrong Database host name, Server Hung due to out of memory or thread hanging, Owner ship issue.

Created, updated and reviewed PMRs and worked closely with the IBM PMR team and application teams for the resolution of the issues.

Updated Fixpack for Portal Server 6.0/6.1/7.0/8.0

Environment: WebSphere Application Server 6.0/6.1/7.0/8.0/8.5, Webspher Portal Server 6.0/6.1/7.0/8.0,, Apache 2.0.47, IHS 6.0/6.1/7.0/8.0, Tivoli Access Manager, UML, XML, SQL, IBM AIX 7.1, Windows XP, RedHat Linux, WebLogic server 8.1/9.2/10.0,11g MP2,HPserver automation tool, J2EE,Apache 2.2, Sunone,Sun Solaris, Red Hat Linux 6,Oracle 10g, MQ client 6.0, Wily7.2.5/8.2.3,Remedy, Jms, JRockit, WLST

CNSI Rockville, MD Date: August 2019 – March 2020

Sr. Middleware Admin (WebSphere & WebLogic)

Experience in deploying and Troubleshooting J2EE applications in WAR, JAR and Ear formats on various versions of WebSphere Application Servers.

Experienced in installation and configuration of Web Servers IBM HTTP/Apache.

Technical Support and maintenance including effectively supporting all internet, intranet and extranet applications and web sites. Providing day-to-day support for all Tomcat / WebSphere and Middleware applications and components, ensuring timely resolution of problems. Managing the current installation base of Tomcat / WebSphere, irrespective of hardware platform. Assist with the design proposals for Middleware applications.

Administering WebSphere Admin Console by setting appropriate roles like Administrator, Configurator, Monitor, Operator roles to LDAP users.

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.

Installed and configured Apache Tomcat7/8/9 and configured SSL with it.

Excellent problem resolving interpersonal good communication skills with ability to work under pressure in a highly visible role in a team and individually.

Involved in WebLogic 12c installation and configuration for Admin & Managed Servers.

Worked in container based technologies like Docker and Openshift.

Migrating an existing on-premises complex multi tier application to AWS

Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.

Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.

Involved in Cloud Formation scripts to automate EC2 instances.

Managing the Open shift cluster that includes scaling up and down the AWS app nodes.

Involved in introducing Virtual IP’s for Load Balancing supported Network Team for F5 Load Balancer while configuring Load Balancer.

Involved in writing ant scripts, shell scripts for deployment process

Coordinate with Application Team, Testing Team & Technical Support Team for all the release activities and Application issues. Provided detailed descriptions of issues in trouble ticket system like JIRA, ServiceNow and follow up diligently to ensure swift resolutions.

Other Activities like Code Migration from TFS to GIT, SVN to GIT; Release Management Activities using uRelease.

Responsible for setting up the artifact repositories (nexus and jfrog artifactory) for Docker, maven and Gradle repositories for local and release artifacts.

Configured Apache web server with Apache Tomcat using the plug-in mod jk.

Responsible for coordination and communication with other teams for release management activities as well as eCAB/ CAB review meeting initiation, review and finalize.

Involve in design and implement a complete continuous integration environment for development Team with complete build and deployment activity along with server restart for three continuous parallel releases.

Installed, Configured and Administered IBM HTTP Web Servers and Apache web servers

Basic networking concepts (TCP/IP, host file, Virtual Hosts and HTTP traffic)

Perform root cause analysis and provide documented root cause analysis.

Work closely with Development, Applications Support, and DBA teams to resolve all outstanding issues.

Monitors systems capacity and performance, plans and executes disaster recovery procedures, and provides Tier 3 technical support.

Provided extensive support in code deploy, change management, and application level troubleshooting for the Dev, Test, Pre-Prod & Production environment.

Installed, configured & upgraded WAS/Weblogic for all Dev, Test, Pre-Prod & Production environments.

Working with developers to help configure virtual hosts, plug-ins, JDBC drivers, data sources, JVM's and application deployments across multiple instances of WebSphere.

Installed and configured WebSphere application server 8.5 version and configured vertical and horizontal clustering.

Enabled SSL and was responsible for installing the certificates and configuring them in the IBM Http Server.

Installation of Fix Packs, cumulative fixes and interim fixes to overcome the WebSphere application server’s problems, based on the recommendation of IBM.

Monitor, analyze and fine-tune application resources (enterprise beans, servlet etc.) and J2EE runtime parameters such as JVM heap size, memory usage, thread pools etc.

Involve in Configuration of amazon virtual cloud for creating amazon machine image and making infrastructure ready for any deployment.

Troubleshoot WebLogic Server connection pooling and connection manager with Oracle, DB2.

Involved in JVM profiling and JVM performance tuning / JVM performance management – for enterprise applications.

Performance tuning in the aspect of Database Connection Pooling. Built reports for tracking the Workflow.

Having knowledge of different databases including MySQL, Oracle, MS SQL Server

Responsible for updating patches and installation of JDBC drivers and Servlet engines on Linux and Solaris environment.

Scripting in multiple languages on UNIX, LINUX and Windows – Jython, Jackal, Perl, XSLT, Java, Korn, Bash, WLST script etc.

Design, integration, deployment and administration of J2EE Application servers – JBoss, Tomcat, WebSphere (Portal, BPM, MQ, ESB, Application Server and Data Stage) and WebLogic Application Server across UNIX, Windows and Linux platforms.

24x7 on-site operations support in an environment with over 200 Servers.

Environment: WebSphere Application Server 8/8.5, WebLogic 11g/12c, IBM HTTP Web Servers, Apache/Tomcat, Big IP, Windows 10, Java, JMS, JDBC, XML, SQL, TCP/IP, SOAP, Sybase, Active Directory, Appdynamic, Log Analyzer, Garbage collector tool.

Client: Freddie Mac – Mclean VA Date: June 2018 – August 2019

Senior Middleware Engineer

Major Responsibilities:

Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.

Provided expertise to project teams, by participated in cross-technological initiatives in assessing customer needs and requirements, and developed robust, scalable, and highly technology solutions.

Developed scripts/utilities to automate repetitive tasks, e.g. deployment process, backup and restore procedures, resource configuration such as jdbc, jms and jvm configuration such as heap size, custom properties, thread dump, managing user and group, setting security using LTPA and LDAP.

Create, configure and tune WebLogic domains/applications for performance.

Work with vendors and developers for application related issues.

JDBC Connection Pool and Multipool configuration with Oracle, MySQL, DB2 and Sql Server, etc.

Deployment and troubleshooting of JAR, WAR, and EAR files in domain and clustered environments.

Configured web server plug-ins Apache 2.2 for WebLogic application servers.

Code deployments/promotions, performance monitoring and performance tuning.

installation, configuration, maintenance and administration of IBM WebSphere Application Server 7.0/8/8.5, IBM HTTP Server, WebLogic, Apache, LDAP.

Basic networking concepts (TCP/IP, host file, Virtual Hosts and HTTP traffic).

Work closely with Development, Applications Support, and DBA teams to resolve all outstanding issues.

Configured IIS/Apache webserver to proxy requests to WebLogic Application Server 10.x,11g and 12c.

Configured JDBC connections and security settings for WAS.

Troubleshooting, security, failover and work load management of WebSphere Application Server 7.0/8.5, Webservers like IBM HTTP Webserver, Apache Webserver.

Created WebSphere cells, Horizontal and Vertical clusters, and created cluster members in effort to create fault-tolerant, scalable, and highly available WebSphere environment.

Upgradation of WebLogic servers in development, testing and production environment and applying patch and service packs.

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

Cluster Configuration – Single Cluster, Multiple Clusters and Deployment over clusters.

WebLogic's HttpProxyServlet and HttpClusterServlet configurations.

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

Migrated WebLogic server applications from 9.2/10.0 to 11g/12c.

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

Creating security roles, group policy, user authentication and authorization.

Work on Web Security tools- LDAP Server, SSL Certificates and client authentication.

Node Manager Configuration – remote managed server start and stop. SSL communication between admin server and node manager.

Writing Scripts to handle complex automation / administration using Shell scripting.

Working with WebLogic utilities – WebLogic Admin and WebLogic Deployer.

Monitoring WebLogic server health and security.

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

Installation and configuration of WebLogic Integration server 10 and 12c on Sun Solaris 10 and Red hat 6/7.

Configuring digital certificates, using java key tool for secured applications.

Automation of domain creation using WLST, ANT, and Domain Templates.

Configuring Web Logic Plug-ins for Apache Web Server and configured load balancing and fail-over solutions.

Database knowledge using Oracle, Point base servers.

Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces.

Configuration of Site scope monitors for monitoring the environment.

Monitoring using App dynamic monitoring.

Monitoring thread usage, connection pool usage, CPU usage, Memory usage and preparing reports for the performance tests, dry run tests and load tests conducted on the Application Servers.

Configured web server plug-ins Apache 2.2 for WebLogic application servers.

Unix/Solaris command line usage and shell scripting.

Monitoring and analyzing resources, Standard logs, application logs and domain logs.

Experience in performance tuning for Web applications at various level by using JProbe8.1 profiling tool.

Troubleshoot environment and application issues WLS support patterns as the standard methodology and provide root cause summary to application stakeholders

Evaluate the strength of the SSL using ssl digger.

Developing WLST scripts and auto deployment process.

Working with configuring the WebLogic Diagnostics Framework (WLDF). Configure.

Sun One LDAP server configuration. Integrating the WebLogic with LDAP servers.

Patch updates, Service Pack Upgrades and Version Upgrades.

WebLogic Administration, Monitoring and Troubleshooting using Admin Console.

Managing and Monitoring the JVM Performance by adjusting WebLogic heap size and garbage collection parameters.

Monitoring the WebLogic Server using HP Site scope and Appdynamic agent-based monitoring.

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).

Performed sanity testing on QA, Stage and Production environments after deployment.

Configure and maintain the scheduled tasks like Thread dumps, log files backup etc.

Maintain the applications among Web Logic run-time processes in a cluster of application servers Installed, configured & upgraded WAS for all Dev, Test, Pre-Prod & Production environments.

Deployed and managed J2EE JBoss applications.

Performed JBOSS tuning to optimize performance, stabilize amp improve JVM performance by tuning the heap size and resetting the connection pools.

Installed, configured & upgraded WAS for all Dev, Test, Pre-Prod & Production environments.

Working with IBM in opening a PMR for inconclusive root causes and coordinating the proposed changes with the respective teams.

Configure virtual hosts, plug-ins, JDBC drivers, data sources, JVM's and application deployments across multiple instances of WebSphere.

Performance tuning of Web Logic server with respect to heap, threads and connection pools.

Work with JProbe in-order to adjust JVM Heap Size and reduce memory leakage.

Involved in Various Administration tasks like Installation Configuration Deployment Monitoring Performance tuning Troubleshooting Maintenance Upgrades Automation Communication.

Strong Experience in Apache webserver/JBoss EWS and mod jk configuration.

Involved in fine tuning the Enterprise JBoss image.

Deployment of application on JBoss clusters.

Creating CSR Installation of SSL certificates on JBoss EWS.-Experience with Linux operating system tools scripting tools file permissions resource provisioning and troubleshooting in a virtual environment.

Java Virtual Machine tuning in JDK 1.7/1.8 including configuration and real time monitoring of heap/non-heap sizing and garbage collection methodology.

Strong experience in Red Hat Enterprise Linux 6/7.x and involved in automating regular system administration activities and trouble shooting.

Involve in configuration management, software deployment, change management, performance monitoring, and application maintenance.

Advanced knowledge to manage the project, coordinate between departments, create test plans, and provides timely and accurate status report.

Installed patches to applications and WebLogic application servers.

Coordinate with and provide guidance to developers on their development environments.

Work with team members to determine how the application is supported in production, including back-ups, disaster recovery and system performance.

Maintains a safe and secure work environment; developing personal growth opportunities.

Manages and maintains complex software systems.

Effectively manages communication between end users, vendors, and IT departments to solve production, Pre-production, test, and development environment problems quickly.

Environment: WebLogic 10,11g/12c, Tomcat Apache Server, JBoss 6/7.x, Linux 6/7, Windows 2010 Server, DB2, mysql, oracle, Sybase, TAM, F5, splunk, Wily Introscope 7.x.,IBM WebSphere Application Server 8.0/7.0, WebSphere MQ 7x, IBM HTTP Server IHS 7.0/8.0, Jenkins, Git, Docker, Open shift, bladelogic.

Client: World Bank Group - Washington DC Feb 2012 – June 2018

Middleware Engineer

Major Responsibilities:

Involved in Installing, configuring, Administering and Maintaining WebSphere Application server in Base/ Network Deployment Environments V8.5.5.x/8.x/7.x/6.x, JBoss EAP and Tomcat Application ServerV7.0.39/7.0.47.x/7.0.54/7.0.59 on various platforms like AIX, SolarisV9.x/10.x, RHEL Linux v6.6/v6.4/v6.x and Windows 2012 environments.

Migrated WebSphere Application Server from V6.x to V7.x and V7.x to 8.x in development, system test, UAT, Production and Disaster Recovery Environments in ND Environments on platforms like Windows 2008, Aix V7.x, and RHEL V6.x.

Created DMGR, application server and custom profiles in Linux platform for dev, test, pre-prod and production and federated application server and custom profile to DMGR using addNode.sh command.

Hands on experience in Migrating the existing configuration and applications of IBM WebSphere using WASPreUpgrade and WASPostUpgrade tools on AIX.

Applied Fix Packs for WebSphere Application Server 7.x/6.1/5.1 and hot fixes to various applications and multiple environments as per the change management system request to overcome the functionality and performance issues.

Responsible for changing and migrating source code of high profile applications and deployment on WebSphere Application Server.

Coordinated with IBM support by raising PMRs to resolve problems related to WebSphere Application Server and WebSphere MQ outages.

Troubleshoot problems on the various environments involving the integrations of WebSphere, IBM Http server V6.x/7.x, iPlanet Webservers, TAM and LDAP.

Developed WSadmin scripts using Jacl, Jython to automate WebSphere processes including start/stop, creating and configuring servers, JDBC and MQ resources, deploying applications on stand-alone and clustered environments.

Configured global security on WebSphere using IBM Directory Server and secure the admin console.

Implemented authentication and authorization permissions to web resources and Installed SSL certificates on the web servers using IKEYMAN, WebSphere AdminConsole.

Managed the security and performance optimizations for EJB containers and web applications in IBM WebSphere, IBM HTTP Server and Apache web server.

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

Lead role in performance testing and tuning the applications performance emphasizing on JVM heap size, CPU utilization, JDBC connection pools, Garbage Collector, Web container threads, Servlets performance, response time alerts and thresholds.

Problem determination using local error logs and by running user traces and service traces.

Assisted in several thread dumps and heap dumps analysis using IBM Thread analyzer and IBM Heap Analyzer.

Expertise in installation, configuration, maintenance and administration of Red hat JBoss 5.1/6.x/6.1. ESW, Apache/Tomcat.

Troubleshooting, security, failover and work load management of WebSphere Application Server 6.0/7.0/8.5, Webservers like IBM HTTP Webserver, Apache/Tomcat Webserver.

Created SSL certificates for JBoss 5.x/6.1 and Tomcat 7.x/8.x.

Automated WAR deployment procedure in production environment running on JBoss EAP 5.x/6/1using UNIX shell script.

Provided Support configuration for troubleshooting and job execution and to work with release management to support code deployments and assist release testing.

Responsible for attending all project meetings, environment setup based off of application requirements, helping resolve technical issues and pushing application teams to adopt technology/infrastructure standards.

Creating IBM, a Queue Manager, Queue, Channel, Set MQ Privileges by User, Lookup MQ Error Numbers.

React to any given technical situation that requires immediate attention to ensure maximum system availability 24 hours a day, 7 days a week.

Installed, configured and created multiple instances of standalone servers in DEV, QA, STAGE, PROD and Break fix environments.

Installed and Integrated JBoss Enterprise Webserver (EWS) with JBoss EAP 6.2.4 and clustered the application using mod_jk.

Configured SSL on both webserver and JBoss EAP.

Configured SSL (Secure Socket Layer) on web instances to route the requests to use secure https protocol.

Extensively explored Red Hat Portal to find solution for issues and contact Red Hat engineers for possible solutions with unknown issues.

Upgrade the CA Siteminder policy server 12 to 12.52

Enable the Trace log to Troubleshoot for various authentication and application level.

Performance tuned JVM settings and application server settings and optimized the parameters to obtain best results. Used various performance analyzing tools like apache jmeter, JConsole, gcviewer, gcwatchdog (Red Hat), log analyzer and visualvm which helps to obtain metrics of a java process to tune an application server.

Contact this candidate