Rishan Dunusinghe Email and Phone Number
Rishan Dunusinghe work email
- Valid
Rishan Dunusinghe personal email
- Valid
At the forefront of Sri Lanka Telecom's IT advancements, my role as a Systems Administrator harnesses over ten years of industry acumen, underscored by a deep-seated expertise in Oracle E-Business Suite (EBS). My tenure has been marked by leading multifaceted projects encompassing hardware migrations, database upgrades, and the crucial implementation of cybersecurity measures.The organization has benefitted from my proficiency in managing critical systems and enhancing enterprise efficiency. Within our team, we've embraced challenges such as transitioning to Exadata platforms and deploying Single Sign-On solutions, all while upholding the integrity and security of our systems in alignment with ISO 27001 standards.
Department For Infrastructure And Transport
View- Website:
- dit.sa.gov.au
- Employees:
- 1785
-
System Support OfficerDepartment For Infrastructure And TransportKensington Gardens, Sa, Au -
System AdministratorSri Lanka Telecom Jul 2015 - PresentSri Lanka1. Hardware Migration (Oracle SPARC M6 to Exadata) and DR Implementation for Oracle EBS• System Analysis & Integration: Conducted thorough analysis of existing UNIX environments and facilitated seamless migration to Exadata. Configured Linux servers and optimized network, storage, and OS-level performance for enhanced system efficiency.• Disaster Recovery Planning: Implemented disaster recovery strategies using Oracle Data Guard, ensuring high availability and automated failover for… Show more 1. Hardware Migration (Oracle SPARC M6 to Exadata) and DR Implementation for Oracle EBS• System Analysis & Integration: Conducted thorough analysis of existing UNIX environments and facilitated seamless migration to Exadata. Configured Linux servers and optimized network, storage, and OS-level performance for enhanced system efficiency.• Disaster Recovery Planning: Implemented disaster recovery strategies using Oracle Data Guard, ensuring high availability and automated failover for business-critical applications.2. Oracle Database 12c to 19c Upgrade for Oracle EBS• Upgrade Execution: Led the preparation and execution of Oracle Database upgrade from 12c to 19c on Oracle Linux platform, ensuring OS compatibility and minimal downtime.• System Optimization: Applied performance tuning techniques and managed critical patch updates to optimize system performance and security post-upgrade.3. Java Web Start Implementation for Oracle EBS• System Compatibility & Configuration: Ensured Linux server environments were fully compatible with Java Web Start, managing necessary installations and configurations for smooth operation.• Security Hardening: Enhanced system security by configuring SSL certificates and JVM security policies, ensuring a secure transition from traditional Java plug-ins.4. APEX Installation on Exadata Oracle 19c Database• APEX Installation and Configuration: Successfully installed and configured Oracle Application Express (APEX) on Exadata with Oracle 19c, ensuring high availability and optimized performance.5. Single Sign-On Implementation for EBS using MiniOrange Connector• Successfully integrated single sign-on (SSO) for Oracle EBS using MiniOrange connector streamlining authentication processes across the enterprise.6. EBS Enterprise Command Center (ECC) Implementation• System Deployment & Configuration: Configured Linux servers for the deployment of Oracle EBS ECC, ensuring optimal performance of data loads and dashboards. Show less -
Associate System AdministratorSrilankan Airlines Official Nov 2012 - Jun 2015Sri Lanka• Integrated key data feeds from Airline Passenger Service Systems, Revenue Management Systems, and Passenger Revenue Optimization Systems into an operational data warehouse.• Facilitated the generation of business-critical reports using OBIEE, ensuring data accuracy and availability for decision-making. -
Associate Network EngineerDms Electronics (Pvt) Ltd Sep 2012 - Nov 2012Sri Lanka● Multi-vendor network integration with Cisco, Nexus, Juniper, Fortinet, Arista, NetScreen devices● Routing and switching and VPN technologies OSPF, EIGRP, BGP, MPLS, VRF, IPVPN, VPLS, GRE, DMVPN, VTP and spanning tree configuration and troubleshooting -
Technical Support EngineerHuawei Technologies Jul 2012 - Sep 2012Sri Lanka● Responsible for Preventive/Corrective & Active/Passive Maintenance of Sri Lanka Bharti Airtel network in Colombo region sites
Rishan Dunusinghe Education Details
-
Computer Engineering
Frequently Asked Questions about Rishan Dunusinghe
What company does Rishan Dunusinghe work for?
Rishan Dunusinghe works for Department For Infrastructure And Transport
What is Rishan Dunusinghe's role at the current company?
Rishan Dunusinghe's current role is System Support Officer.
What is Rishan Dunusinghe's email address?
Rishan Dunusinghe's email address is ri****@****hoo.com
What schools did Rishan Dunusinghe attend?
Rishan Dunusinghe attended University Of Peradeniya.
Who are Rishan Dunusinghe's colleagues?
Rishan Dunusinghe's colleagues are Camillo Sergi, Gaurav Seth, Patrick Mccarthy, Michael Scerri, Alvin (Wenjin) Liang, Steven Craig, Robbie Miller.
Not the Rishan Dunusinghe you were looking for?
-
Rishan Dunusinghe
Sri Lanka
Free Chrome Extension
Find emails, phones & company data instantly
Aero Online
Your AI prospecting assistant
Select data to include:
0 records × $0.02 per record
Download 750 million emails and 100 million phone numbers
Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.
Start your free trial