Irfan Shaikh

Senior System Administrator at Warba Bank

• Kuwait - Al Kuwait
• My current job since July 2019

Migrated On-premises production Kubernetes Clusters to SUSE Rancher’s RKE2 Cluster and UAT/SIT Clusters to
Azure AKS, which hosts 200+ deployments (Hybrid Cloud & Microservices Architecture) over GitOps Pipeline.
• Manage and Support secured GitOps (CICD) environment consists of “Kubernetes v1.22.x, SUSE Rancher
Container Management Platform, Rancher Fleet, Bitbucket, Azure AKS, Azure Key Vault, KubeSeal, Helm Charts,
Nginx Ingress, Azure Git Repository, Prometheus and Grafana, EFK Stack Logging, Calico Network Policies, JFrog
Artifactory, OPA Pod Security Policy, Rancher CIS scans, and Qualys Container Scanning.
• Working as a Senior System Administrator in Agile Environment, which is having business critical environment
having stateless Maven and Spring Boot applications spanned across On-Premises and Azure AKS.
• Administering DevOps (Jenkins) Pipeline using Bitbucket Source code, SonarQube Code Analysis, JFrog X-Ray,
Artifactory, Jenkins Automation, Microsoft Teams (ITSM & Collaboration), Xebialabs XL Release & Deploy (Release
and deployment tools), Kubernetes Clusters (Container Infrastructure), Rancher Kubernetes Orchestration (RKE2),
Qualys Container Scanning, Qualys run-time threat detection, Kibana Log Management, Atlassian Confluence
(Documentation).
• Administering, Supporting and Troubleshooting business critical 200+ microservices deployed over On-premises
Kubernetes Clusters and Azure AKS.
• Administration & Configuration of Broadcom (CA) API Gateway policies, deploying REST & SOAP APIs, exposing
internal & public APIs.
• Administration and Configuration of Oracle WebLogic, Oracle Service Bus, SOA in different platforms like Windows,
Linux & Solaris.
• Administration and Configuration of OBIEE.
• Deployment of multiple applications on WebLogic server and maintained load balancing, high availability and fail
over functionality
• Acting as a primary support owner for Flexcube Core Banking Application & Webservices, SWIG/ATM, Fraud
Monitoring, Retail Internet Banking & Reconciliation.
• Managing and coordinating ongoing upgrades and migration of platform to stay up to date with the software versions
and patches being released to mitigate bugs and issues.
• Implemented SSL configuration of certificates including complete lifecycle for different domains
• Strong troubleshooting and Analytical skills, Handling issues independently.
• Raising Service Request with Oracle support team for any critical issues.

Portal Administrator at Diyar United Company

• Kuwait - Al Kuwait
• October 2017 to July 2019

Install and patching: Installation, configuration and tuning of Oracle WebLogic, Oracle Service Bus in different
platforms like Windows, Linux & Solaris.
• Conduct Troubleshooting: Work with the App server DBA and Oracle DBA to resolve application problems.
• Maximize High Availability: High-availability design, configuration, and maintenance, including clustering and load
balancing for WebLogic, Portal, OSB and SOA
• Create Configuration: Configuration of LDAP and AD for WebLogic and WebLogic.
• Perform Tuning: Tuning of Weblogic. Develops standards and tuning metrics and alert thresholds. Create
standardized alerts for telephone/email devices for exceptional performance thresholds.
• Monitor the systems closely and fine tune memory arguments and other parameters to enhance system
performance.
• Created the Connection Pool and Data Source for Connecting the different Databases.
• Configured JDBC and JMS servers on WebLogic server.
• Deployed multiple applications on WebLogic server and maintained load balancing, high availability and fail over
functionality
• Managing and coordinating ongoing upgrades and migration of platform to stay up to date with the software versions
and patches being released to mitigate bugs and issues.
• Implemented SSL configuration of certificates including complete lifecycle for different domains
• Responsible for supporting the Mobile Applications
• Responsible for supporting multiple KIOSK Machines and Servers
• Review proposed changes and test them in a test, preprod and production environment.
• Create Documentation: Develops a complete set of Weblogic documentation describing the current configuration of
Weblogic, Apache.
• Have hands on experience on Oracle API Gateway
• Develop Best Practices: Attends conferences and gathers Weblogic best practices and standards for tested
implementation.
• Utilize Remedy Problem & Change management application for management of problem tickets and production
change requests.
• Give 24x7 supports to all internal customers to solve any kind of issue related to the system(s) and Services
Oracle Fusion Middleware-Operations Engineer
Huawei (Ooredoo)

Weblogic Administrator at Safat Enterprise Solutions

• Kuwait - Al Kuwait
• August 2015 to October 2015

Senior Software Engineer at Techsignia Solutions Pvt Ltd

• India
• March 2014 to September 2015

(1 year 7 months)
• Oracle SOA Implementation Certified with experience in Oracle Fusion Middleware administration, configuration,
and support over different platforms.
• Installation & configuration of Weblogic, SOA suite 11g and Oracle Service Bus 12c on UAT and Production
environment on Solaris platform for Ministry of Labors.
• Creation and Configuration of Weblogic clustered Domain in 11g and 12c.
• Expertise in Problem Determination, Troubleshooting, Deployment.
• Configured and Deployed applications in various work environments like Development, System Test and Production.
• Monitoring the Error Logs, fixing the problems and tuning parameters on Weblogic Environment.
• Configuration of IBM MQ in weblogic server 11c and 12c.
• Testing of web services using SOUP UI and WCF testing tools
• Configured vertical clustering with software load balancer configuration.
• Configured JDBC and JMS servers on Weblogic.
• Worked on Oracle HTTP server for redirection.
• Performing monthly Server and application health check.
• Analyzing the Log files, Thread Dumps, JVM Dumps, Exception stack traces.
• Managing and monitoring the JVM performance by adjusting Weblogic Heap size and Garbage collection parameters
• Involved in Reviews and Meetings & Teleconferences with clients
• Deploying java code on Weblogic server, general Weblogic server configuration, maintenance, and troubleshooting.
• Creating, Configuring and Maintaining Unix environments used by development team for production, testing, training
& software deployment purposes.
• Support for the existing application to resolve various issues in the functionalities and server-side support
• Raise Service Requests to the oracle support team for the issues and follow up with the team for resolving the issues.
• Involved with the developers in troubleshooting and fixing day-to-day problems of the applications in Production on
24/7 schedule.
• Involved in preparation of requirement documents, design documents and training materials.

Software Engineer at Nile Technologies Pvt. Limited

• India - Noida
• March 2011 to March 2014

(3 years 1 month)
• Participated in projects as Oracle Fusion Middleware Expert as well as for development and administration of
Himachal Pradesh State Electric Board E-government applications
• Involved in setting up the whole UAT, Testing and Production Environments along with the development of
integration of multiple applications like ENMS, SAP, EA, and CRM
• Built the Fusion Middleware environment for the Application Architecture group for analysis and evaluation of the
new Oracle Weblogic 11g Suite of products.
• Figuring out the exact requirement with the help of documents provided from the Onsite team and attending KT
session with onsite and offshore team members
• Daily Scrum meeting with the Team Leads, Project Manager/Architect to give the update of assigned task.
• Designing the multiple BPEL processes using rules for web service mapping of any system calls to target system’s
Web Service residing at the OFMW Server, OFMW will map the service calls to the CRM, MDM, GIS, ENMS, EA
web service at targeted system.
• Created composite SOA application using BPEL, OSB, and Mediator
• Performed Integration of SAP and SOA using Oracle Application Adapter and sapjco3.0 connectors
• Generating web service from SAP (RFC Module) Database
• Creating Proxy Service & Business Service in OSB
• Installation, configuration & administration of OVM environment at HPSEB data center.
• Configured Active Directory Server, LDAP, Apache 2.0/2.2 HTTP and integrated them with Weblogic Application
Servers using Plug-ins.
• Testing of web services using SOUP UI and WCF testing tools
• Configured and administered JDBC, JMS, and JNDI in WebLogic Server10.x, 11.x.
• Participate in full development lifecycle activities ranging from code install, troubleshooting performance and
resolving production issues.
• Configured and setup (SSL) for data encryption and client authentication.