Thusitha Kumara

Experience

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  Mercantile Shipping Agencies

  Nov 2008 - Aug 2010

  IT Assistant

  Assisting to System Administrator in Head Office and Managing the Yard Network

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  Mercantile Shipping Group

  Sept 2009 - Jan 2020

  System Administrator

  • Administrating and troubleshooting Microsoft Windows 2008 R2 and Microsoft Windows 2012 R2 server (Domain model).• Good Klowlage and experience in Active Directry service and Group policy management in Microsoft Windows 2012 R2 . • Administrating and troubleshooting Linux based server flatform – CentOS o Mail Servero Containt Filter o Spam Manager• Administrating and troubleshooting Linux based Firewall flatform – Clear OSo IP Tableso Squild Proxyo Dansguardian Grop Internet contant filter • Managing SQL Server 2005 and 2008 database server• Managing user accounts and giving share & security level permissions.• Responsible to install, set up, maintain network and also configure the peripherals, cabling and equipment accordingly as per the requirement. Show less

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  Mercs Technologies

  Nov 2017 - Jan 2020

  System Engineer

  • Managing and installing all CentOS servers in JT cloud and GCP. (150+ Linux servers).• Implementing, managing & monitoring of JT Cloud and Google.• Implementing, managing & monitoring of Rackspace-based Production.• Implementing, managing LAN, WAN,Wifi & VPNs.• Implementing, managing and monitoring cloud server infrastructure with 150+ Linux Servers.• Implementing, managing & monitoring of application servers (tomcat, apache, Nginx)• Implementing, managing HA_Proxy Load Balancing System• Implementing and maintaining IT security standards.• Preparing DR/Backup plan for company IT infrastructure. Etc.• Managing two Production systems with Cloudflare Web Performance and Security System• Bulk Mail Handling with Sendgrid Mail Management System• Handling all domains in GoDaddy Hosting , Wildcard SSL Management and cPanel Handling• Implementing, managing & monitoring of database servers (PostgreSQL)• Managing Prometheus Monitoring tool and Grafana• Managing Bitbucket Source server, Jira Servers and Confluence Servers• G Suit Account Handling Show less

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  Inbay ltd

  Jan 2020 - Nov 2023

  System Support Engineer

  • Administering, monitoring and troubleshooting computer systems (Datacenter Servers), applications and other networking related issues remotely using RMM tools (Solarwinds-Nable, AEM, ConnectWise Automate, and Auvik)• NOC (Network Operations Centre) services for WLS (White Labelled Services)• Resolving system alerts related to Microsoft technologies such as Azure, Active Directory, File Server, Exchange Servers, Hypervisor (Hyper-V, VMWare), WSUS, Group Policy, DNS server, DHCP and other administrative systems• Managing and administrating backups and restore processes of ShadowProtect, Datto, Veeam, Symantec Backup Exec, Retrospect, Windows Backup, and MSP backup.• Troubleshooting issues on virtualization environments [Windows Hyper-V and VMware]• Perform root cause analysis on recurring incidents reported.• Configuring patch and AV management for Microsoft servers and workstation using RMM Tools. • Ticketing systems (Autotask and ConnectWise) • Administering, monitoring and troubleshooting Linux based servers and services Show less

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  5G Networks Pty Ltd

  Oct 2023 - Apr 2024

  Senior Platform Support Engineer
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  Globe Internet Limited

  Apr 2024 - now

  Systems and Network Support Engineer