All Services Programming & Development Telecommunication Engineer, Oracle Datab $20/hr · Starting at $100 I have several years of experience in SQL Queries and database administration. Working experience in telecommunication company with more than 10 years, especially in Billing Systems. About $20/hr · Ongoing Download Resume I have several years of experience in SQL Queries and database administration. Working experience in telecommunication company with more than 10 years, especially in Billing Systems. Skills & Expertise BillingBilling SystemsDatabase AdministrationLinuxMs ExcelNetworkingOracleSAPSQLTranscriptionUnix 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts TranscriptionistsRouter ExpertsSAP ExpertsBilling ServicesData Entry ExpertsNetworking ProfessionalsUnix ProgrammersDatabase AdministratorsSQL DevelopersTypists