Architect and Administrator with comphehensive knowledge and hands on experience on many database and middleware software technologies. Ability to independently architect, implement and administer complex software systems. Technically savvy and adept at understanding and solving complex technical problems.
Proficiency in Middleware and Database technologies.
Oracle SOA suite, Oracle Service Bus, Oracle BI,Oracle Identity Management
Senior Middleware AdministratorApr 2011 to Current Giant Eagle Inc － Pittsburgh, PA
Worked closely with application teams in designing the system architecture to provide high availability and disaster recovery.
Assisted application teams in deploying applications and trouble shooting application issues.
Administering and maintaining security with SSL and compliance PCI and HIPPA requirements.
Used my understanding of software licensing to save money in licensing with software vendors.
Created documentation for architecture, administration and user guide for all the systems.
Evaluated new technologies and conducted POC to decide whether it meets organisational goals.
Monitored all the middleware environments to ensure high availability. We use Nagios based OP5 monitoring software, Oracle Enterprise Management software for primary monitoring.
Used Dynatrace, Biztalk360 for monitoring and trouble shooting.
Create and administer large number of IIS farms serving many internal and external web sites and services.
Implement Sitecore content management system. It is used by external facing internet sites.
Implementation and administration of CA API Gateway (formerly Layer7) cluster in DMZ. It provides api gateway with Oauth security to several critical services used by websites and mobile applications.
Implementation of Overture Ecommerce platform a Canadian company Orchestra. The system architecture involves SOLR cluster, Microsoft Appfabric cluster, internal IIS farm for Overture sites/services and 3 node IIS onternet web sites. It uses Sitecore for content management.
Implemented Redislabs caching system as cluster. It uses the open redis caching technology but provides high availability and disaster recovery.
Administration of Apache Reverse proxy servers as a cluster in DMZ. It is used for securely accessing internal sites and services from internet.
Creation and Administration of Fusion search solution by Lucidworks. The system architecture includes Fusion cluster, separate zookeeper cluster for fusion, External SOR cluster with collocated zookeeper. The architecture provides fast search capabilities for many critical applications - such as product look up, customer data look up etc.
Implemented Datazen Business Intelligence software (Bought by Microsoft). It uses IIS farm in DMZ as web front with Application server in the back end internally. Configured sso with ADFS - Active Directory Federation Service.
Administration of Microsoft Biztalk cluster with active and passive nodes for providing both high availability and disaster recovery.The environment is used for many integration processes.
Administration of IBM Web Sphere WAS/MQ cluster and IBM Integration Bus. The system is used for processing the POS transaction data. The system is being migrated from IBM Web Sphere WAS/MQ to IBM Integration Bus.
Administration of Apache tomcat and jboss environments.
Implemented Red hat directory server.
Technical Solutions ArchitectMar 2006 to Mar 2011 Giant Eagle Inc － Pittsburgh, PA
Worked closely with Application teams and created system architecture and implemented Oracle SOA suite cluster and Oracle service bus cluster. The environment is used for several integration processes.
Implemented Oracle BI. Configured it to use Oracle SSO/OID synchronized with domain Active directory and use Kerberos to provide seamless sign on for users.
Implemented Oracle Identity Management system with Oracle Identity Manager and Oracle Internet Directory. It uses Peoplesoft as primary source of identity.
Implemented Oracle Identity Federation. It uses Oracle Web server cluster as web front end and OIF cluster. The identities stored in Oracle Internet Directory which is accessed through Oracle Virtual Directory.
Implemented Oracle Collaboration Suite (10.1.2). It includes content management, instant messaging and web conferencing.
Awarded Oracle Middleware Architect award from Oracle.
Senior Database AdministratorApr 1998 to Apr 2006 Giant Eagle Inc － Pittsburgh, PA
Supported Peoplesoft HR and Finance Databases. I attended Peoplesoft tools and upgrade classes.
Supported database for Data Warehouse applications.
Helped tune some processes dramatically from hours to minutes.
Worked closely with our UNIX support team in troubleshooting and resolving issues.
Supported databases for many other applications - Harvest, Stat, Spaceman, AMP, Telalert.
Supported SQL Server databases as a secondary.
Worked closely with Oracle support team and Oracle Ace teams.