Gayan Jayasuriya

Experience

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  Webs R Us (Pvt) Ltd

  Aug 2012 - Dec 2013

  Assistant Network Administrator.

  •Maintained internal company networks.•Coordinated with manager to set user access, permissions, and rules to prevent unauthorized access.

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  Shan Teas (pvt) Ltd.

  Jul 2014 - Jun 2016

  IT Executive

  •Reduced the company’s budget by 10% through IT contract re-negotiations.•Designed, implemented, and administrated Windows 2012R2 Active Directory Domain Services infrastructure.•Implemented and Managed servers, workstation, computers, printers, routers, Manageable switches, and existing network applications.•Managed inventory of software licenses, software application, hardware, and IT supplies.

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  Cotton Collection (pvt) Ltd.

  Jun 2016 - Jun 2017

  IT Executive System Support

  •Configured and Managed Active Directory, DNS, DHCP, WSUS, ESET Antivirus, backup servers.•Administrated accounts, rights, groups, security, and audit policy.•Administrated and supported Microsoft O365.•Administrated OpManager network monitoring system.•Troubleshooted TCP/IP network connectivity issues.•Managed Fortigate firewall 100d.•Implemented firewalls and security devices to ensure network security.

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  Cargills Bank Limited

  Jun 2017 - now

  Senior Information Technology Windows System Engineer

  •Managed and administrated Microsoft System Center Configuration Management (SCCM) and WSUS patching systems.•Patched on windows servers and 1000+ windows end user PCs, which help to increase security by 95%. •Managed and administrated Hyper-V Failover Cluster, Active Directory Domain, Domain Name Service (DNS), User account management.•Performed security audits, creating GPOs to tighten and mitigate OS security vulnerabilities.•Conducted disaster recovery and server failover testing to ensure that all critical servers met DR and compliance policies.•Coordinated the implementation of NAS & SAN environment.•Administrated and supported Email server.•Managed File systems, Disk array, RAID implementation, LUN mapping.•Monitored daily backup status, tape drive contention, restoration of missing files/directories, disaster recovery and other backup related activities (Commvault)•Coordinated the network setup for branch implementation. Show less