Leo Zhang

Experience

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  Shanghai Yidong Network Company.Ltd

  Jun 2005 - Nov 2006

  System Engineer

  *Maintain and manage Windows system of the clients.*Maintain and manage Cisco networking environment of the clients.*Maintain and manage backup system such as Symantec Backup Exec of the clients.

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  Shanghai Dragonsoft Information Technology Company

  Nov 2006 - Aug 2008

  IT Specialist

  *Maintain and manage the WAN such as VPN and Internet Line, etc;*Maintain and manage the LAN such as VLAN, Domain network and Wireless network, etc; *Maintain and manage Mail System as Postfix+Amavisd-new+SpamAssassin;*Maintain and manage varied of servers such as Windows 2003 Server, RHEL3, FreeBSD and so on*Maintain and manage the Cisco router, switch and security equipment.

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  Avnet

  Aug 2008 - Feb 2010

  System Engineer

  *Maintain and manage Windows Active Directory， DNS, DHCP, WDS and etc in APAC*Monitor the Cisco network, Windows 2003/2008 servers and other IT equipments in APAC. *Monitor IT vulnerabilities in APAC including network, Windows services, make the related report and propose the solution every month. *Assist maintain the anti-virus system (Mcafee) in APAC, make the related report and propose the solution every month. *Make and update the IT inventory of Shanghai branch.

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  Celanese

  Mar 2010 - Apr 2011

  *Monitor and maintain VMware vSphere 3.5 environment. *Monitor the availability and connectivity of the global network devices through Ciscoworks.*Monitor and maintain Windows server and services.*Monitor day to day global backup job through Backup exec and Legato Networker.*Handle the global IT incidents including network, Windows services and backup system as level-2 technician.*Improve existed questioned process and create inexistent process to standardize IT Operations work. Show less

  • Senior Technical Analyst

    Dec 2010 - Apr 2011

  • IT Operations Support Technician

    Mar 2010 - Nov 2010
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  Emerio

  Feb 2012 - Dec 2012

  Senior system engineer

  As a contractor sent to the customer--Jabil Circuit to do the virtualization project in APAC*Baseline Systems Performance prior to virtualization/relocation *Analyze system performance after virtualization/relocation*Plan and design virtualized environment based on site system needs*Serve as an interface to the project team/site team to troubleshoot and identify any sever/performance issues*Ensure that all appropriate documentation is created or updated as needed*Build systems to client's baseline standards*Deploy fixes/patches to servers in response to newly identified stability or security threats Show less

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  InterContinental Hotels Group (IHG®)

  Apr 2013 - Jun 2020

  Lead the Technology & Infrastructure Services team which is responsible for delivering and maintaining excellent technology infrastructure & operation and technology services for the hotels, reservation centers and corporate offices. My team provides technical expertise to support the delivery, localization and pilots of networks, systems, services, security and solutions, working with our regional customers and other parts of Global Technology. Finally, my team performs the regions infrastructure management activities such as capacity and availability planning, security engineering, third line Incident response. I’m wholly responsible for the successful operation and services by providing strong leadership and ensuring that an exceptional level of service is delivered by the team across all its assigned key responsibilities and duties. Show less

  • Manager of Tech & Infra Services

    Oct 2014 - Jun 2020

  • Technical Delivery Specialist

    Apr 2013 - Oct 2014
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  Self-Employed

  Jun 2020 - now

  Investor

  Trading and investing in stocks, foreign exchange and bitcoin in partnership with others