Rafael Barrena
Manager @Open Technology Services Gmbh
Mönchengladbach, DE
EMAILS
MOBILE NUMBERS
+91 *********19
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WORK HISTORY
Aug 2021 — Present
Manager @Open Technology Services Gmbh
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EDUCATION
1982 — 1988
Universidad Politécnica de Madrid
Ingeniero de Telecomunicacion (MSc.Eng. Telecomms), Telecommunications
2009 — 2009
IESE Business School
PDD, Business Administration and Management, General
SKILLS
Pre-SalesVoipProject DeliverySipIstqb CertifiedSolutions MarketingProgram ManagementStrategyTelecommunicationsIT Project & Program ManagementSs7Project ImplementationProduct MarketingTeam ManagementProject PlanningTechnical ManagementTechnology ManagementManaged ServicesIntegrationIpProject ManagementUnixTelcoGsmNgnTestingVasService DeliverySoftware Quality AssuranceWirelessMobile SolutionsUnified CommunicationsPmpIT Service ManagementManagementSoftware Project Management
ABOUT RAFAEL BARRENA
IT professional with more than 20 years experience creating and leading effective human…
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