Principal Engineer - IT Systems Engineering (Oracle RMB Apps DBA)

Support and Maintenance of Oracle Fusion Middleware Applications & ORMB.

• Daily support and management of Oracle Middleware Applications includes RMB, OSB, SOA, MFT and PEGA
• Monitoring, Capacity Planning, In-Depth Trouble-shooting Performance issues for Oracle Fusion Middleware Tech Stack, Oracle Database’s & Client, Oracle EBS and PEGA.
• Troubleshooting Oracle Utility Framework issues, Batch Scheduling in ORMB
• Expertise in Oracle Utility Framework Patching, Oracle Utility Upgrade and reconfiguration.
• Experience on Hibernate, Perl scripting, irule scripting.
• Expertise with RMB Troubleshooting.
• Handling J2EE technologies: JSP, Servlets, EJBs, JMS, Web Services, SSL, JDBC, JNDI, load balancing, session clustering, and Service Oriented Architecture.
• Write UNIX Shell & WLST Scripts to Automate System Administrator activities.
• Configuring Local and Foreign JMS resources and Troubleshooting JMS issues
• Manage SVN and create a DR strategy, and perform Annual DR Test.
• Deploying the different type of applications (WAR, JAR, and EAR) in standalone and Clustered server environments of Application Servers.
• Creating JDBC data source connections, identifying connection pools along with database configuration.
• Remediate vulnerabilities on Oracle and Non-Oracle Tech stacks
• Troubleshoot SSL issues, end to end encryption implementation F5 configurations.
• Expertise in performing DB table partition & tuning.
• Able to run DDL execution and Handle cm tool.
• Ability to performance tune PEGA and scale up its architecture as business grows.
• Troubleshoot Kafka, Pega engine and Node Type in PEGA
• Pro-actively work with Prod Support Team, Project Teams to provide planning and ongoing support for Application Life cycle management.
• Analyzing the Log Files, Thread Dumps and JVM Dumps.
• Incident Management & Technical Assistance including Production and Performance diagnostics, technology assessments and troubleshooting day-to-day issues.
• Liaise with Performance Testing Team to identify any performance related issues during UAT phase.
• Expertise of UNIX / Linux Operating System’s with understanding of Kernel parameters, File Systems and Volumes (NAS & SAN ).
• Work with Unix and Network teams for configuring Load balancer VIPS and Installation of security certs etc.
• Perform all kinds of Application upgrades including Oracle and Non-Oracle like Apache / JAVA / Weblogic / RMB / PEGA / and FMW Products.
• Weekend Bounce, Maintenance and on-call Support for Production changes.
• Sanity testing of Middleware Technology Stack components on regular basis.
• Perform Annual DR Tests.
• Month End Processing Support-Monitoring memory and space utilization.
• Creating Severity TARs/SR and conduct OWC sessions with Oracle support to resolve issues.

Application  Refreshes

• RMB Application refresh from Prod to Non-Prod Environments using customized process.
• Multi Node to Multi Node, Multi Node to Single node Configurations on Weblogic.
• Weekly/Adhoc Copy Prod environment refreshes from Production.

Applying Oracle Application patches

• Applying Oracle FMW patches using Opatch / Framework options.
• Performing Oracle Pre-patch analysis (Patch Wizard), Pre-config Analysis for Quarterly PSU, Security vulnerabilities and other required patches.
• Applying patches on Oracle Middleware Home and for Weblogic Home
• Applying Bug Fixes, Data fixes and other Oracle recommended patches (One-off, Overlay).

Application Code Migrations

• Middleware Application Code Migrations from Development to QA, UAT and Production Instances.
• Coordinate and work with Release/Change Management teams for deployments, Outages and code migrations across Prod and Non-Prod Environments.
• Release Non-Disruptive, Disruptive Migrations across Non-Prod and Prod Environments.

Performance Tuning

• Application tuning like OPP JVM memory usage. Troubleshoot java out of memory errors.
• Webserver tuning.
• Software/hardware load balancing tuning.
• OJDBC/JDBC, hibernate tuning
• Messaging tuning
• DB tuning
• Sql performance tuning

Security and Compliance

• Track Security Certificate expirations and request new certificates for Weblogic or Encryption Certs.
• Work on Web Security tools- LDAP Server, SSL Certificates and user authentication.
• Track and remediate Security Vulnerabilities , apply Critical Security Patch updates for Weblogic Applications
• Quarterly Password Changes for Middleware Servers and adhere to SOX policies.
• Work with D&T external Audit team and provide required Application changes evidence for Audit related Queries.

Integration Support

• Support Oracle WebLogic for any integrations with Customized Applications
• Support OAM /OID integration with RMB / PEGA for SSO.
• Support OIM integration with RMB / PEGA.
• Support SMTP/IMAP for Email/File transfer - GlobalScape.
• Support PGP Encryption for SOA / MFT for Internal or External Vendor File Transfer.