Middleware Administration Resume
Warren, NJ
Objective:
- Looking for a challenging position in Information Technology that involves new Web Infrastructure Technologies, Challenging tasks, Interactive teamwork and Cutting edge technologies.
- Masters in Technology, Confidential,UNIVERSITY .India.
Career Summary:
- Up to 9 years of IT industry experience with 7+ years of System administration expertise on Middleware Infrastructure in IBM WebSphere Application server 7.x/6.x/5.x/4.x/3.x, WebSphere Portal Server 6.x/5.x, IBM HTTP Server 7.x/6.x/1.3.x, SUN webserver 7.x/6.x, IIS, IBM DataPower XI50, MQ 6.x/5.x, LDAP, Oracle 10.x/9.x/8.x/7.x, UDB/DB2 8.1.x/7.2.x, SQL Server on Sun Solaris, AIX, Linux and Windows NT/2000 clustered environments.
- Strong management and administration skills in providing installation / migration, configuration, troubleshooting, backup and recovery in multiple servers highlighting IBM WebSphere Application Server (Network Deployment), WebSphere Portal Server, IBM HTTP Web Server and SUN Web Server.
- Experience in setting up enterprise level internet application systems that are available 24x7 with multi-tier, clustering and multi datacenter architecture.
- Expertise in installing and configuring Access Manager Policy Agent and Siteminder Web Agents to implement Single Sign-on.
- Experience in administering IBM data power XI50.
- Knowledgeable about servlet and object based IBM WebSphere Dynacache techniques and Lucene indexing for faster response times.
- Experience in installing / migrating, configuring, managing and troubleshooting WebSphere MQ Workflow systems, testing MQ workflow configuration to ensure connectivity and availability of all components, MQSeries Administration tasks including intercommunication setup between Queues, Triggering MQ Queues.
- Experience in setting up enterprise wide MQ clustering to integrate various applications.
- Installed SSL certificates for WebServers and Application Servers and enabling Global Security for the Application Servers through LDAP.
- Experience in setting up various Development/Testing/Pre-Prod/Production environments and recommending Architecture and leading the business units to undergo necessary architectural changes.
- Expertise in working on IBM Build forge to automate build and deployment process for applications.
- Experience in 24X7 on-call production support and trouble shooting problems related to WebServers, Websphere Application Server, MQSeries in managing system availability, performance and security.
- Well versed with Capacity planning, Disaster Recovery, contention issues and troubleshooting.
- Expertise in unit testing, integration testing and performance testing.
- Experience with GSS, CSS, firewall rules and red/yellow/green zones.
- Expertise in performance analysis and tuning of web servers and Application servers by identifying, removing bottlenecks, and avoiding memory leaks in the JVM by using Tivoli Performance Viewer and various monitoring tools.
- Experience in working on Key tool for requesting SSL certificates for Servers and Clients. Worked on setting up 2-way SSL communication for WebServices.
- Developed JACL, Jython and Shell Scripts to carry on automation of the WebSphere Application Server Administration, Monitoring and Reporting.
- Expertise in Change management, Project Management, Incident Management and Problem Management process and procedures.
- Excellent Problem solving, Analytical and technical skills.
- Strong interpersonal and organizational skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
Technical Skills:
Operating Systems
Sun Solaris, IBM AIX, HP Unix, Redhat Linux, Windows 2000/XP/2003
Web/Application Servers
IBM WebSphere Application Server 7.x/6.x/5.x/4.x/3.x, IBM WebSphere Portal Server 6.x/5.x, Weblogic, Apache Web Server, IBM HTTP Server 1.3.x/6.x/7.x, iPlanet/Sun web server 6.x/7.x, IIS, Sun one LDAP servers, Tivoli Access Manager, Policy agent and Siteminder
Messaging
MQ Series 5.3/6.0
Networking
TCP/IP, HTTP/HTTPS, RMI/IIOP, firewall, GSS, CSS, DNS
Hardware
HP, IBM AIX, Sun SPARC and AMD X86 Servers
Database
IBM DB2, Oracle, SQLServer
Languages and scripting
C, C++, Java, VB, JavaScript, HTML, XML, SQL, Shell, Perl scripting, ANT, JACL and Jython programming.
Tools
Quest Foglight, Wily Introscope, Tivoli performance viewer, Quest monitoring tools, HttpWatch, MQ visual Edit, MQMon, Charles, QTP, Loadrunner, Winrunner, MS office, MS Visio, Microsoft Project Plan, TOAD.
Certifications:- IBM Certified System Administrator-WebSphere Application Server V6.1
- IBM Certified System Administrator-Web Sphere MQ v6
Professional Accomplishments:
Feb ’07 – Till date
Confidential,Warren, NJ
Middleware Administration
I was part of the Wireless Data Solutions (WDS) Middleware group that is majorly responsible for managing two critical systems CMP and VZWSCM. CMP provides music content to various vendors like Microsoft, Motricity, Slacker etc., where we have ~15 million hits daily. We also maintain VZW internet site mediastore.verizonwireless.com for purchasing RT, RBT, Music, games and Wallpapers. VZWSCM system connects with various billing systems and processes about 500K MQ transactions daily.
Responsibilities:
- Installation, configuration and administration with advanced troubleshooting skills in 24 x 7 multi-tier DMZ environments with active-active multi data center architecture to support various internet applications.
- Installation, migration and configuration of IBM WebSphere Application Server v7.x/v6.x/v5.1, WebSphere Portal Server 6.x/5.x, IBM HTTP web Server, Sun web servers 6.1/7.0, Policy agent and siteminder.
- Maintenance of the WebSphere Servers on different UNIX platforms and setting up the development, QA, performance and staging and production environment for the on going application development life cycle.
- Installing and configuring Policy agent and siteminder for implementing Single Sign-on (SSO).
- Applying Refresh packs, Fix packs for WebSphere Application Server, WebSphere Portal Server and WebSphere MQ.
- Experience with setting up and testing Disaster Recovery (DR) environments, Data Center Migration activities.
- Configured Servlet and object based WebSphere DynaCache, Replication entries and Cache monitoring tools to support heavy load applications.
- Performed Silent installation of 64 bit IBM WebSphere NDM as non-root.
- Tuning large JVM Memory (48 GB) for Lucene indexing and dyna caching for faster response time.
- Ran performance monitoring tools and made tuning parameter recommendations for webserver and application servers.
- Administered IBM DataPower (XI50), major tasks include firmware upgrades, setting up domains, vendor’s i/p white listing, Application API Authentication through AAA, load balancing requests, response filtering through multi-protocol gateway and XML firewall services.
- Maintained web server configurations for IBM HTTP and sun web servers.
- Worked on WebSphere SSL certificate and key management.
- Deployment of J2EE applications and Portlets in WebSphere Application Server and portal Server Environments.
- Install and configure portlets, pages, themes and skins on WebSphere Portal.
- Implemented WebSphere Application Server horizontal/vertical clustering, Workload Management and failover.
- Defined persistent IBM MQSeries Queue manager, Sender and Receiver Channels, listeners, Queues and set permissions.
- Performed MQSeries Administration including inter-communication setup between Queues, Clustering with Full Repository Queue Managers.
- Implemented WebSphere security using LTPA for Microsoft Active directory.
- Knowledge about vendor connectivity to applications through various channels like VPN, GSS, CSS, firewall rules, red/yellow/green zones, EDN and WDN networks.
- Trouble shooting & Performance Monitoring of WebSphere Application Server, Portal Server, WebSphere MQ.
- Actively involved in monitoring server performance, network traffic to reduce performance bottlenecks using fog light and Quest monitoring tools.
- 24X7 on-call production support and trouble shooting problems related to WebSphere Application Server and MQ Series that includes nights, weekends and holidays.
- Experienced in working with SUN tickets and IBM PMRs.
- Developed many JACL, Jython scripts using wsadmin and shell scripts to accomplish various tasks including alerting, reporting, performance monitoring, automating the maintenance process of the WebSphere and recovered the backup WebSphere configuration.
- Managed cron jobs, batch processing and job scheduling.
- Effectively interacted with the users/customers on a need basis for decreasing downtime and increasing user productivity.
- Strong Analytical, problem determination and troubleshooting skills. Worked with Operations Technical Support, Engineering and End Users to solve application related problems.
Environment: IBM Websphere 7.x/6.x/5.x, IBM HTTP Server, MQ series 6.0/5.3, sun web servers 6.1/7.0, IBM Portal Server 6.x/5.x, DataPower XI50, Policy Agent 2.2, siteminder on Sun Solaris SPARC & AMD X86, AIX, Oracle 10, foglight, Wily, Tivoli performance viewer, Quest monitoring tools, HttpWatch, MQ visual Edit, Charles, TOAD, Visio and MS Office.
Nov ’05 – Jan ‘07
Confidential,GA
Middleware Support
Responsibilities:
- Administration and support expertise in configuration, version upgrades, patch installation and troubleshooting of Websphere Application Server.
- Installed, configured and maintained Websphere Application Server (WAS) versions 3.5.3, 4.0.5, 5.x, 6.x.
- Installed, configured and maintained Websphere Network Deployment Manager (NDM) version 5.x, 6.x and IBM Websphere Portal Server.
- Identified, recommended and installed cumulative fixpacks and upgrades to WAS and NDM.
- Strong experience with redirects and manipulating plug-in configuration files for application use.
- Configuring and Installing IBM Websphere Portal Server, Network Deployment Manager and Oracle.
- Install and configure portlets, themes and skins on WebSphere Portal.
- Maintained webserver configurations for iPlanet, Apache and IBM HTTP Servers.
- Performed application troubleshooting, ran performance monitoring tools and made tuning parameter recommendations.
- Experience in monitoring Web container pool, JDBC connection pool, JVM heap, Application server CPU and memory statistics.
- Monitored application logs and reported any problems to customer development staff.
- Performed health-checks on WAS servers.
- Installed and renewed SSL certificates on iplanet Webservers.
- Deployed the EAR files and scripting automated deployment of the applications.
- Updated and maintained script files, used command line Solaris/UNIX commands to run scripts, and WAS commands.
- Involved in connecting the Oracle9i/10g databases with production as well as development servers.
- Implemented clustering and Configured Workload Management (WLM).
- Created and maintained userid\'s on LDAP servers.
- Experience in searching, modifying, adding or deleting LDAP entries using an LDAP browser or from the command prompt.
- Administration and support of WebLogic and Tomcat servers.
- Documented procedures and trained other administrators.
- Performed application software builds and deploy / Install Application software to development, QA, pre-production (Cert) and production servers.
- Participated in a 24x7 on-call rotation in support of all web and application servers that includes nights, weekends and holidays.
- Strong Analytical, problem determination and troubleshooting skills. Worked with Operations Technical Support, Engineering and End Users to solve application related problems.
Environment: IBM Websphere 3.5.3/4.0.5/5.X/6.x, IBM Portal Server 5.x, Weblogic 8.2, iPlanet 4.1/6.X, IBM HTTP Server, Apache 1.3.20, IIS, MQ 5.3, Tomcat, Sun Solaris 8/9/10, AIX 5.1/5.2, Linux 2.4.20, Windows NT/2000, Oracle 8/9/10, DB2 8.2, Sun One 5.2 directory server, PVCS.
June ’05 – Oct ‘05
Confidential,System Administrator
Responsibilities:
- Installed and configured IBM WebSphere Application Server, IBM Websphere Portal Server, iPlanet5.1, JDBC drivers on Sun Solaris, AIX and Windows NT for e-business projects.
- Performed tuning of IBM WebSphere Application Server, IBM Websphere Portal Server on Sun Solaris, AIX including workload utilization and categorization.
- Involved in day-to-day trouble shooting for the end users on Sun Solaris based applications.
- Created server groups, clones, user roles and groups for securing the resources using local operating system authentication.
- Troubleshooting and analysis of hardware and software failures for various UNIX servers (core dump and log file analysis).
- Responsible for Support and reliable maintenance of the applications running on various environments.
Environment: IBM Websphere 3.5/4.0/5.x, IBM Portal Server 5.x, iPlanet 5.1, IBM HTTP Server, Apache 1.3.20, Weblogic, MQ, AIX 4.x, Sun Solaris, RedHat Linux, Windows NT/2000, Oracle 8/7.i, Tivoli Access Manager, Veritas Volume Manager 3.x/2.x, Veritas File System 3.x, Java.
Mar ’01 – May ‘05
Confidential,Employer: Polaris Software Lab Limited
Analyst
Responsibilities:
- Implemented and maintained complex projects in addition to involving in various phases of Software Development Life Cycle including initiation, definition, design, construction, verification, implementation and post-implementation.
- Experience in Maintenance of the IBM WebSphere Application Servers on different UNIX platforms and setting up the development, testing, staging, UAT, SIT, Perf and production environments.
- Successful implementations of Workload Management (WLM) using cloning and clustering techniques including Horizontal and Vertical Cloning for failover and backup/recovery processes.
- Hands on experience on installation, configuration and maintenance of DNS servers, Mail servers, FTP servers and Web servers on Sun Solaris, and Linux (RedHat) platforms.
- Developed WSCP scripts and shell scripts to automate the maintenance process of the WebSphere and recovered the backed up Websphere configuration using XML Config tool.
- Involved in trouble shooting and Performance tuning of applications using Resource analyzer and log analyzer.
- Well versed in running various web, application and database servers such as Websphere, Weblogic, Apache and Oracle.
- Expertise in Change management, Project Management, Incident Management and Problem Management process and procedures.
Environment: IBM Websphere 3.5/4.0/5.x, IBM HTTP Server, MQ, iPlanet 4.1 / 5.1, Apache 1.3.20, RedHat Linux 6.x/5.x, Sun Solaris 8/7.x, Windows NT/2000, Microsoft Visio, Microsoft Project Plan, VB, Oracle, Visual Source Safe, Load Runner, Winrunner.