Experienced System Administrator with a demonstrated history of working in the computer software industry. Skilled in Linux, Windows, Management, etc. Strong information technology professional with a Bachelor of Science with honours upper second class Degree focused in Computing from Wrexham Glyndŵr University.
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Systems AdministratorData Centre - Department Of Motor Traffic Jan 2021 - Sep 2022Colombo, Western Province, Sri Lanka1. Administration & troubleshooting of Network and Security Infrastructure including Routers,Switches (Cisco),Firewalls (Fotigate)2. Monitoring and maintaining PR,DR and Regional locations Data network (Connected via VPN)3. Managing LAN/WAN connectivity’s, Servers (HP ML30,ProLiant DL380 Gen 9,ProLiant DL580 Gen 9, DELL R610,R 710,Lenovo ST 250, IBM H Blade Center,Dell EMC Unity 300 Storage and IBM V7000 Storage)4. Involved in IT developments and undertaking project… Show more 1. Administration & troubleshooting of Network and Security Infrastructure including Routers,Switches (Cisco),Firewalls (Fotigate)2. Monitoring and maintaining PR,DR and Regional locations Data network (Connected via VPN)3. Managing LAN/WAN connectivity’s, Servers (HP ML30,ProLiant DL380 Gen 9,ProLiant DL580 Gen 9, DELL R610,R 710,Lenovo ST 250, IBM H Blade Center,Dell EMC Unity 300 Storage and IBM V7000 Storage)4. Involved in IT developments and undertaking project worka) Project In Installations of Mobile App that allow to proof the verification of Driving License Card Details from the Driving License Database to the Sri Lanka Police and all the Examiners of Motor Vehicleb) Involving to the project that convert offline Galle Department of Motor Traffic Office complex into the Online Office Complexc) A Project In supplying a driver data details from the Sri Lanka Government Network to access the validation of Driving License Cards to the embassies, which the Driving License Cards that owned by the Sri Lankans that locate in foreign countriesd) Migrate all windows servers to VM WARE infrastructure5. Resolving inter-operability issues related to Driving License Application, Web and other Servers and other major third party application6. Installation and configuration of Windows server 2008, 2012, 2016 and Windows server 2019 configuration and management of DHCP,DFS and DNS7. Installation and configuration Windows server failover clusters8. Installation and configuration Linux web servers and database servers (Redhat, Centos and Ubuntu)9. Configuring Linux Storages (LVM)10. Installation, Configuration and Migration Virtualization Infrastructures. (ESXI, Hyper-V, XEN)11. Work with Networker, Data domain and Arc serve backup solutions12. Providing specialist skills in supporting and troubleshooting IT User related problems and escalated calls13. PC and Server Hardware maintenance and troubleshooting Show less
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Systems AdministratorNetwork Operations Centre - Sl Army Mar 2015 - Dec 2020Colombo District, Western Province, Sri Lanka1. Monitoring of all the Servers and Network Devices using Pandora Console, Fortinet Analyzer and PRTG Monitoring Console.2. Administration, Creation of Staff’s email address, Generic email address, Distribution List and Maintenance of Mail box in Microsoft Exchange 2016.3. Install And Configure Linux Servers. Such as Web Servers, Database Servers and proxy servers.4. Installation, Configuration and Administration of Windows 2003,2008 and 2012 windows based server… Show more 1. Monitoring of all the Servers and Network Devices using Pandora Console, Fortinet Analyzer and PRTG Monitoring Console.2. Administration, Creation of Staff’s email address, Generic email address, Distribution List and Maintenance of Mail box in Microsoft Exchange 2016.3. Install And Configure Linux Servers. Such as Web Servers, Database Servers and proxy servers.4. Installation, Configuration and Administration of Windows 2003,2008 and 2012 windows based server (Active Directory, DHCP and DNS) and resolving issue related to Replication of Active Directory between sites, Group Policy Deployment and DHCP Scopes.5. Data Backup Management of 26 Offices Data and Datacenter using ARC Serv R 12.5 version software.6. Provide accurate and timely support to the End Users, Responsible to Log the user incidents and resolve the same with in SL Army.7. Daily Checks on Network like Wi-Fi, WAN Link Utilization Checks and Data Network Checks.8. Daily admin checks on Applications Servers, Databases and Backups.9. Maintaining Database Documentation, Policies, Instructions and Operational procedures.10. Providing Training to non IT staff about periodic up gradations or newly implemented systems.11. Managing Wireless Access Points, Routers and VPN connections for remote support personnel.12. Troubleshooting Network/Server configuration and evaluating and optimizing the performance of Infrastructure components.13. Resolved high impact incidents and escalated incidents and got high appreciations. Show less
Nuwan Sameera Education Details
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Second Class Upper Honours Division One -
Edexcel International By Pearson UkComputing (Network Engineering)
Frequently Asked Questions about Nuwan Sameera
What is Nuwan Sameera's role at the current company?
Nuwan Sameera's current role is Senior Systems Engineer | BSc | HNDip| RHCE | RHCSA | Azure | NSE | Ansible.
What schools did Nuwan Sameera attend?
Nuwan Sameera attended Wrexham Glyndŵr University, Edexcel International By Pearson Uk.
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Nuwan Sameera
B.Sc.(Joint Major) Degree In Industrial Management And Mathematical Modelling & StatisticsHorana -
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Nuwan Sameera
Colombo -
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