John Guo
Information Communication Technology Engineer at China Unicom Europe- Claim this Profile
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Experience
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China Unicom Europe
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United Kingdom
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Telecommunications
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1 - 100 Employee
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Information Communication Technology Engineer
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Jun 2022 - Present
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THINKRITE LIMITED
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India
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Hospitals and Health Care
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Senior System Engineer
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Dec 2015 - Jun 2022
Contributed to ThinkRite as top 3 IBM contractor in customer satisfactionContributed to lead a team of System EngineersImproved project implementation process reduced time spending by 25%Achieved Unified Message Center 99.9% uptimeMaintained and operated Sametime cluster for multiple external customersSupported Sametime Unified Telephony system for external customerIdentifying potential problems and diagnosing caused and consequencesProgrammed shell scripts for system automation reduced 50% of time spendingProvided support using IBM ServiceNow change and ticket management platformMaintained and upgraded information systems securityExcellent contribution rewarded Show less
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IBM Sametime technical support
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Mar 2016 - Mar 2019
Maintained and operated muti-tenancy SameTime Cluster.Managed cluster servers over VMWare.
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ThinkRite
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United Kingdom
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Business Consulting and Services
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1 - 100 Employee
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IBM Sametime Unified Telephony technical support
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Jan 2014 - Sep 2019
Supported, maintained and operated Sametime Unified Telephony system for IBM and external customers. Supported, maintained and operated Sametime Unified Telephony system for IBM and external customers.
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System Engineer
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Sep 2008 - Sep 2015
Contributed to ThinkRite as top 3 IBM contractor in customer satisfaction Sametime Unified Telephony certified to gain EMEA support contract Achieved Unified Message Center system 99.8% uptime Operated Unified Message Center system for external customer Provided support using IBM Service Catalog resource management system Provided support using IBM SmartCloud Control Desk ticket management platform Contributed to ThinkRite as top 3 IBM contractor in customer satisfaction Sametime Unified Telephony certified to gain EMEA support contract Achieved Unified Message Center system 99.8% uptime Operated Unified Message Center system for external customer Provided support using IBM Service Catalog resource management system Provided support using IBM SmartCloud Control Desk ticket management platform
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VOICERITE LIMITED
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United Kingdom
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Telecommunications
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IBM Unified Messaging technical support
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Sep 2003 - Sep 2008
Achieved Unified Message Center system 98% uptime Resolved customer queries and retaining customer satisfaction Maintained and operated multi language voice dialler Achieved Unified Message Center system 98% uptime Resolved customer queries and retaining customer satisfaction Maintained and operated multi language voice dialler
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Education
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University of Portsmouth
undergraduate, Computer Science