Accomplishment •Migrated SonicWall NAS 220 to Meraki MX100•Migrated SonicWall NAS 2600 to FortiGate 500E•Segregated UTSC and TPASC network, rerouted traffic to MS425 •Installed and configured Current Brunch 1906 (SCCM)•Updated Hyper-V 2012 R2 Cluster to Hyper-V 2016 and added 2 new nodes •Installed and configured Veeam backup software•Installed and configured SolarWinds SYSLOG servers•Installed and configured vSphere6.7 cluster for Honeywell system Responsibilities•Managing mixed servers’ infrastructure •Managing AD and office 365 user accounts •Designing, planning and implementing IT solutions based on company requirements•Ensured that all server hardware, operating systems, software, and procedures aligned withorganizational standards and strategic business plan•Maintaining and monitoring the TPASC Data Centres, ensuring 99.9% or better uptime•Supporting events team by creating new SSIDs and VLANs based on their requirements•Offering 2nd and 3rd level support to TPASC uses and UTSC students •Coordinating with vendor\service providers for hardware and software issues•Documenting network and server infrastructureTechnologies UsedMicrosoft Server 2012 – 2019, SCCM, Microsoft Windows 8.1 – 10, vSphere 6.7, Active Directory, Office 365, Cisco Switches (4500, 3850) Meraki(MS425, MS225, MS250 MX100 MR42) FortiGate (500E ,FA431U), IOS, Android, Dell & IBM Servers, SAN/NAS Storage (Lenovo DS2200, Qnap, Dell EMC Isilon) Veeam backups, SolarWinds SYSLOG, QuickBooks, Honeywell camera systems

Accomplishment•Migrated WatchGuard firewall to FortiGate 100E and configured the HA (Dec2019)•Installed and configured SCCM and SharePoint (Dec2019)•ESXi and Server fresh project, with a scope covering over 100 VMs and 10 ESXi servers•Designed and Installed vCenter 5.5, Cluster, HA, and FT•Installed WatchGuard Firewall and configured HA with Active \ Passive; configured the VPN•Installed and configured Exchange 2013 / Office 365•Performed data backups & disaster recovery operations through Veeam•Upgrade VMware 5.5 to 6.0•Upgrade storage infrastructure 1GB to 10GB•Installed and configured Datto cloud backupResponsibilities•Configured storage RAID levels to optimize performances•Maintained PCs, Laptops and Data Center Servers•Installed Microsoft 2012 R2, SAP Business One and SAP Business One Cloud based on customer requirements•Installed and configured Suse Linux servers for HANA •Deployed Windows from images•Documented network infrastructure and user manuals •Installed and maintained SQL 2012 / 2014Technologies UsedMicrosoft Server 2008 R2 – 2016, Microsoft Windows 7 – 10, VMWare 5.5/6.0, Active Directory, Exchange, Cisco/Netgear Switches, IOS, Android, Dell & HP Servers, SAN/NAS Storage, Veeam backups, WatchGuard, SAP Business One, SAP HANA, SQL 2012 – 2014, Office 365, Datto cloud backup, Veeam one Monitoring, Suse Linux

Accomplishment•Re-engineered network infrastructure to improve the performance and security•Redesigned existing Active Directory server infrastructure•Installed DHCP failover cluster and configured the load balance to eliminate the delay •Designed and installed new ARCserve and Qnap storage to fast backup processResponsibilities•Day to day administration, Managed mixed Windows servers and Exchange 2013 Servers / Office 365•Managed company VMware infrastructure •Designed, planned and implemented IT solutions based on company requirements•Ensured that all server hardware, operating systems, software, and procedures aligned with organizational standards and strategic business plan•Maintained and monitored the Precise Parklink Data Centre, ensuring 99.9% or better uptime •Maintained services such as WSUS, DFS, DHCP, and DNS •Acted as an escalation point for troubleshooting advanced network/systems issues; providing excellent service to internal and external customers•Coordinated with vendor \ service providers for hardware and software issues•Documented network and server infrastructure•Configured Cisco Switches, Routes and AP based on company requirements Technologies UsedMicrosoft Server 2003 – 2016, Microsoft Windows 7 – 10, VMWare, Active Directory, Exchange, Office 365, Cisco Router and Switches, IOS, Android, Dell & HP Servers, SAN/NAS Storage, Qnap SAN, Arcserve/Symantec backups, Fortinet, Barracuda Mail, and web filter, Cerberus SFTP, Eset

Accomplishment•ESXi and Server fresh project, with a scope covering over 100 VMs and 8 ESXi servers•Designed and installed ESXi 5.5, vCenter and Operational Manager, configured HA, DRS, and EVC•Build, configured and deployed VMs and templates, V2V (Hyper-V 2012 to VMware 5.5) and P2V•Customized layer 2 and layer 3 networking between VMware, networking components and storage for high availability and to optimize performance•Migrated Windows 2003 Active Directory to Windows 2012 R2 Active Directory•Configured ESET anti-virus server and deployed to over 400 desktops•Installed and configured Microsoft DPM•Installed SCCM and deployed windows patches (WSUS) and softwareResponsibilities•Managed Exchange 2013 Servers and +500 mailboxes / Office 365•Deployed and Managed printer and shared drives through group policies•Performed data backups & disaster recovery operations through HP DPM and Microsoft DPM•Maintained and administered computer networks and related computing environments, including computer hardware, systems software, and applications•Provided technical support for users through phone and remotely•Coordinated with vendor\service providers for hardware and software issues•Maintained HP 3PAR and created LUNs with different RAID levels according to company requirement•Managed the Supreme Council of Planning Data Centre (Over 150 physical and virtual servers)•Maintained Cisco VOIP system (350 Phones), Dell, HP servers, Cisco L2 and L3 switches•Implemented services such as WSUS, DFS, File Shares, Print Server, DHCP, DNS, SCCM and DPM•Managed Fortinet Firewalls •Installed and configured Cisco switches and APs•Documented network infrastructure and user manualsTechnologies UsedMicrosoft Server 2003 – 2012 R2, Microsoft Windows 7, VMWare 5.5, Active Directory, Exchange, Cisco Switches, IOS, Android, Dell, HP, IBM Servers, SAN/NAS Storage, NetApp, HP 3PAR, HP DPM, Microsoft DPM, FortiGate, SQL 2005 – 2008, Office 365, Barracuda load balancer

Accomplishment•Microsoft Domain migration projects •Microsoft Exchange migration projects•Microsoft Hyper-V projects•VMware installed and configuration projects•Conducted PoC (Proof of Concept) for various VMware VDI and Citrix VDI Technology based on project requirementsResponsibilities •Installed, configured and maintained HP Servers (ML, DL, and BL) and HP Storage (P2000-G3, Left Hand, EVA6000 and EVA4500), Microsoft Active Directory, Exchange, DPM, DHCP, DNS, DFS, WDS and VMware ESXi, vCenter, vSphere Replication, Operation Manager, VMware View, and Horizon•Microsoft Active Directory and Exchange troubleshooting •Configured and deployed Anti-Virus servers like Symantec, Kaspersky, ESET for Servers & Desktops•Assisted in on-site and remote technical support for customers 24x7•Supported company pre-sales team •Troubleshoot Microsoft, VMware, HP Server, and HP Storage issues•Managed outstation service agents •Upgraded HP server patches, hardware, and warranty•Coordinated with the vendor for hardware warranty issues•Helped HP server team to identify and resolve server/storage issues Technologies UsedMicrosoft Server 2003 – 2012 R2, Microsoft Windows 7, VMWare 5.1/5.5, VMware VDI, Citrix VDI, Active Directory, Exchange, HP (ML, DL, BL) Servers, HP (P2000, EVA6000, EVA4000) SAN Storage, HP DPM, Cisco Routers and Switches

E-W Information System Ltd. (EWIS) - is one of the leading corporate entities in Sri Lanka in the field of Information Technology. EWIS has proven its capabilities being a leader in the IT market for over two decades. EWIS is an ISO 9001:2008 certified company.His primarily responsible for effectively managing and maintaining the Entire Head office operation and branch operations, which consists of over 350 PCs, and 15 servers.Below are some of the responsibilities and duties.• Maintained Windows Server (2003/2008), Active Directory and mail servers, Lotus Note 8 Mail server, inventory of hardware and software products, BlackBerry server, IIS web servers and hosted websites, +350 PCs and +15 Servers (DNS, WSUS, DHCP, Postfix, Send Mail and FTP)• Installed, configured and maintained scanners, tape backups, printers, switches, and 2004 ISA server• Designed and implemented Company VPN to connect head office and branches• Monitored and maintained server backups• Assisted in on-site and remote technical support• Administrated Microsoft SQL Server 2005• Supported users on their daily issues

His primarily responsible for effectively managing and maintaining the entire Head Office Operation, which consists of over 450 PCs and 10 ServersBelow are some of the responsibilities and duties • Maintained Active Directory and Exchange server, inventory of hardware and software products as well as 450 PCs and 10 Servers (DNS, DHCP, WSUS, IIS, ISA and Printer Server) • Monitored and maintained server backups• Assisted in on-site and remote technical support• Supported users on their daily issues• Installed, configured and maintained scanners, tape backups, printers and switches