Ridwan has been experienced as business analyst for over more than 5 years in telecommunication industry. Has been involved in requirement gathering, requirement design, build functional and technical specification, create test script, conduct integration test and unit test, create training guide and conduct training to client, create user manual document Ridwan has been experienced as project manager and has lead successfull implementation on various of telecommunication project from CRM/CLM, Charging/Billing/Policy Rating system, into PS/IP Core area