Ishan Maduranga

Experience

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  SYNAPSYS LTD (subsidiary of DFCC Bank)

  May 2013 - Nov 2017

  System Operator / VMware administration and support

  Working experience in vSphere systems administration and supportvSphere Network configuration ,vSwith and port group configuration Monitoring and maintaining Cisco UCS C 220 M4 -series rack-mount servers.Monitoring and maintaining HP DL380 G9 -series rack-mount servers.Experience with VMware vRealize operations managerExperience in vSphere 5.5 /6.0 /6.5 web client ,c# client ,HTML 5 host clientCloning, Templates , Snapshots , VMware Tools and Customization SpecificationsvSphere HA ,FT ,DRS , affinity and Anti Affinity rulesvSphere Datastore configuration Working experince with VMware Update ManagerManaging Users, Groups, Roles, and Permissions on vSphere 6.5Working experience with vSphere Site recovery manager (SRM 5.5 / 6.5)Experience in replication management (RM) server / Vsphere replications.Managing Users, Groups, Roles, and PermissionsESXi and vCenter Server LicensesExperience with HP hyper converged infrastructure with vSphere 6.0vSphere 5.5 /6.0 and 6.5 ESXi installation ,Configuration and maintenance Deploying , managing and modification of VM’s in vSphere 5.5 / 6.0 and 6.5VM deployment such as Windows 2008/12 , Cent OS ,Solaris , Linux ,Ubuntu 16 , RHEL 7 , OEL 7Working experience with Banking DR/BCP Operation.Running End of the day operation in all Banking system in main Data centre and DR site.Handling ORCLA backup,SQL backup, net backup and veritas backupATM switch related operation, ATM switch ,CTL and lanka pay switch monitoringSun solaris , AIX server operationsPerforming Back end process of Core banking systemDatabase server and application server bounce procedureHandling Lanka clear CITS and SLIP system Show less

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  DFCC Bank PLC

  Nov 2017 - Jan 2019

  System Administrator - Vmware

  Working experience in vSphere systems administration and supportvSphere Network configuration (Vmware vmkernel ports / Vswitch / dvswitch) Experience in vSphere 5.5 /6.0 /6.5 web client, c# client, HTML 5 host clientCloning, Templates, Snapshots, VMware Tools and Customization SpecificationsvSphere HA, DRS, affinity and Anti Affinity rulesvSphere Datastore configuration (New datastore /Increment datastore)Working experience with vSphere Site recovery manager (SRM 5.5 & 6.5)Managing Users, Groups, Roles, and PermissionsManaging ESX/ESXi and vCenter Server LicensesExperience with HP hyper converged infrastructure with vSphere 6.0vSphere 5.5 /6.0 and 6.5 ESXi Initial installation, Configuration and maintenanceDeploying, managing and modification of VM’s in vSphere 6.0 and 6.5Working Experience with P2V conversionsWorking working experience with VRealize operation managerWorking experience with vsphere ReplicationVirtual servers deployment such as Windows 2008/12/16, Linux , RHEL 7 ,Oracle LinuxExpand Windows partition and Linux LVMs.Cisco ucsc server firmware upgrade.Patch and upgrade VMware ESXI hosts, ESXI host drives and VCenter.Installing windows server patch updates (windows server 2008/12/16)Working experience with Banking DR/BCP Operation. Show less

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  Sampath Information Technology Solution Ltd. (A fully owned subsidiary of Sampath Bank PLC)

  Jan 2019 - Sept 2019

  System Engineer

  Responsibilities:• Managing Enterprise Infrastructure Solutions Business Practice.Designing, and Implementation of enterprise solutions.Projects:• Implementation of a new isolated VMware cluster at HQ and DR sitefor DMZ setup with blades and integration with vSphere Replicationin Sampath Bank PLC.• Providing VMware technical support back-to-back as the technicalsupport partner, backed by VMware. Fine-tuning the VMwarevSphere Cluster and SRM setup. Integration with the vRealizeOperations Manager in Sampath Bank PLC. Show less

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  Pearson Lanka

  Sept 2019 - Feb 2023

  System Engineer

  Responsibilities:● Ownership for management and maintenance of all on-premisevCloud and virtualization environments owned by Pearson and itshosted infrastructure consisting of 23+ vCenters, 800+ ESXi hosts and25000+ virtual Machines including one VXrail environment.● Manage and perform maintenance of 20+ Cisco UCS FabricInterconnects from Cisco UCS Manager along with 500+ Cisco Bseries blade servers.● Planning, implementation and supporting proposed infrastructuresolutions which includes updating hardware (Dell, HP) and softwareand performing user acceptance test for verification.● Troubleshooting technical incidents, perform RCA for majorincidents in order to analyze and take preventive actions.● Research current trends in virtualization and their use cases in thePearson Infrastructure and forecast technical developments inVirtualization domain.● Ownership for management and maintenance of TSM backupenvironment. 17 TSM servers running on Linux.● Ownership for management and maintenance NETAPP / VNX /VMAX / UNITY storage arrays. Show less

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  Seatrium

  Mar 2023 - now

  Senior Systems Engineer