Summary
Overview
Work History
Education
Skills
Websites
Certification
Personal Information
Non-related referees
Timeline
Generic
DILEEBAN  THILAKARAJA

DILEEBAN THILAKARAJA

Gampola

Summary

I’m a Senior Systems Engineer with over 6 years of hands-on experience in the IT field, focused on Microsoft 365, Azure, and Windows Server environments. I’ve built a solid track record of providing advanced technical support (L2/L3), troubleshooting complex system issues, and managing Active Directory and M365 setups for clients. My expertise covers both remote and on-site support, and I always prioritize delivering a great customer experience. I’m certified in several Microsoft technologies, including Windows Server, M365 Administration, and Azure. I’m well-versed in ITIL practices to ensure smooth service delivery. I’m also deeply passionate about Artificial Intelligence, Quantum Computing, and space technologies—fields that inspire me and fuel my drive to stay at the cutting edge of technology. I love finding the right solutions to technical challenges and helping businesses run efficiently with the right IT tools.

Overview

8
8
years of professional experience
1
1
Certification

Work History

SENIOR SYSTEMS ENGINEER

ZILLIONe Technologies
04.2023 - 09.2024
  • Provide L2 / L3 support for system within agreed service levels
  • Tickets Assignment and working on tickets
  • Working on backlog and new tickets to provide resolution within agreed SLA
  • Responsible for customer support experience with Microsoft Technologies
  • Take ownership of customer issues reported and see problems through to resolution
  • Research, diagnose, troubleshoot, and identify solutions to resolve customer issues
  • Research for Client Projects
  • Follow standard procedures for proper escalation of unresolved issues to the appropriate internal teams
  • Installing, Configuration, and Troubleshooting windows server domain architecture for Clients
  • (ADDS / DNS / DHCP / Group Policy / PowerShell / Windows 10) Installing, Configuration and Troubleshooting Microsoft 365 domain architecture for Clients
  • (Custom Domain / Exchange / Teams / SharePoint / OneDrive / Azure AD / Azure AD Connect / M365 Security) Office 365 Domain name registration and DNS Management for Clients
  • Monthly Health Check of Windows AD / Exchange Server / M365 Security for SLA Clients
  • Provide after-hours support as needed for critical systems (Ex: Maintenance & Escalations)
  • Working both independently and as part of the team
  • Remote Support for Clients
  • On-call Support for Urgent Service Issues
  • On-site Visiting
  • Hybrid Work Model
  • Built mutually beneficial and strong, interpersonal relationships with all project stakeholders including clients, external consultants, and vendor technical teams whenever applicable
  • Continuously improved knowledge and enhanced technical competencies in assigned products and solutions
  • Timely effected communications with all stakeholders
  • Strictly adhered set of standards, defined in the areas of project management, service delivery and HR.

SYSTEMS ENGINEER

ZILLIONe Technologies
04.2022 - 04.2023
  • Provide L2 / L3 support for the system within agreed service levels
  • Tickets Assignment and working on tickets
  • Working on backlog and new tickets to provide resolution within agreed SLA
  • Responsible for the customer support experience with Microsoft Technologies
  • Take ownership of customer issues reported and see problems through to resolution
  • Research, diagnose, troubleshoot, and identify solutions to resolve customer issues
  • Research for Client Projects
  • Follow standard procedures for proper escalation of unresolved issues to the appropriate internal teams
  • Installing, Configuration, and Troubleshooting windows server domain architecture for Clients
  • (ADDS / DNS / DHCP / Group Policy / PowerShell / Windows 10) Installing, Configuration and Troubleshooting Microsoft 365 domain architecture for Clients
  • (Custom Domain / Exchange / Teams / SharePoint / OneDrive / Azure AD / Azure AD Connect / M365 Security) Office 365 Domain name registration and DNS Management for Clients
  • Monthly Health Check of Windows AD / Exchange Server / M365 Security for SLA Clients
  • Provide after-hours support as needed for critical systems (Ex: Maintenance & Escalations)
  • Working both independently and as a part a team
  • Remote Support for Clients
  • On-call Support for Urgent Service Issues
  • On-site Visiting
  • Hybrid Work Model
  • Built mutually beneficial and strong, interpersonal relationships with all project stakeholders including clients, external consultants, and vendor technical teams whenever applicable
  • Continuously improved knowledge and enhanced technical competencies in assigned products and solutions
  • Timely effected communications with all stakeholders
  • Strictly adhered set of standards, defined in the areas of project management, service delivery and HR.

SENIOR ANALYST

HCL Technologies Lanka-Cinnamon Life
06.2021 - 04.2022

ALLOCATED PROJECT Account - SYNEOS HEALTH (During 08-July-2021 to 10-April-2022)


IT Service Desk L1 Remote Support


  • Act as a single point of contact for Chat, phone calls and emails from US/EMEA/APAC users regarding IT issues and queries
  • Remote Support via MS Teams/ Team Viewer / Bomgar
  • Handling end to end ticket flow on ITSM tool ServiceNow
  • Raise Tickets (Incidents/Service Requests) as per customers/user requirements
  • Respond to Customer requests via chat and calls in a timely and accurate manner
  • Resolve incidents as per the agreed SLAs and timelines
  • Escalate complex issues to appropriate teams for resolutions
  • Take ownership of user problems and follow up the status of problems on behalf of the user and communicate progress in a timely manner
  • Working with Windows ADDS / BitLocker Administration and Monitoring Portal / Citrix PC
  • Maintaining jovial relationships with clients
  • 24X7 Shift
  • Working both independently and as a part a team.

ASSOCIATE HELP DESK SUPPORT EXECUTIVE

DATA MANAGEMENT SYSTEMS (Pvt) Ltd - Division I
08.2019 - 06.2021

Outsourced Customer Site

  • DILMAH CEYLON TEA COMPANY
  • RESPLENDENT CEYLON Pvt Ltd Head Office.

HELP DESK ENGINEER

DILMAH CEYLON TEA COMPANY
09.2020 - 06.2021
  • End User IT Support
  • Providing one on one assistance to end user regarding technical flaw, either by phone, mails, or in person
  • Remote Support via VNC/Any Desk/ Team Viewer
  • Visit Remote Site If Needed
  • Identifying, diagnosing, and resolving level one issues in computer hardware and software in a such as laptops and PCs
  • Installing and configuring networks, printers, and scanners
  • Following up with customers to ensure full resolution of issues
  • Providing technical support across the company (this may be in person or over the phone)
  • Manage Help Desk tickets in a timely manner
  • Manage and Working with Production Windows Server (ADDS, DHCP, GPO, and Cisco Meraki Firewall
  • Manage and working with Microsoft 365 Service
  • Configure and Troubleshoot Office 365 Apps
  • Coordinating with third party vendors If needed
  • Working both independently and as a part a team.

INFORMATION TECHNOLOGY COORDINATOR

DILMAH CEYLON TEA COMPANY
07.2020 - 09.2020
  • To answer all the requests received through phone, emails etc., and to ensure that there is proper delivery of the services as per the rules and regulations of the organization as well as by abiding to its quality standards
  • Allocate Help Desk Calls/Mail to appropriate Engineers and Raise Incident Tickets
  • Ensuring that Service Desk Calls are monitored in-line with SLAs and updated efficiently and effectively
  • Building and maintain strong working relationships with users, colleagues, and support bodies in order to provide a professional customer service approach
  • Working positively and communicate professionally across teams in order to make an effective contribution to team tasks and team spirit
  • To keep a track record of all the relevant documentation and effective contribution to made improvize the operational procedures.

HELP DESK ENGINEER

RESPLENDENT CEYLON Pvt Ltd
08.2019 - 06.2020
  • End User IT Support
  • Remote Support for External User
  • (Ceylon Tea Trails Resort)
  • Working Under Resplendent Ceylon SLA
  • Configure and Troubleshoot Windows 10
  • Configure and Troubleshoot Office Package
  • Network Printer Install and Troubleshoot
  • Software Installation
  • Manage new Desktop and Laptop setup and other requirements for a new User
  • Network Connectivity Support
  • Attendance Server Maintaining and Monitoring.

ASSISTANT SYSTEM ENGINEER

BC COMPUTERS (PVT) LTD
04.2018 - 04.2019

Outsourced Customer Site


  • Unilever Sri Lanka
  • Microsoft Sri Lanka

BUSINESS SUPPORT CENTRE ENGINEER

Unilever Sri Lanka
04.2018 - 04.2019
  • IT Service Desk Support
  • Manage new Desktop and Laptop setup and other requirements for a new User
  • Raise Incident Tickets - BMC Remedy ITSM
  • Working under Unilever SLA
  • Working under Unilever and Unisys Domains
  • Building and Configuring Laptops and Desktops from a network image using SCCM
  • Basic Active Directory administration including resetting passwords and BitLocker recovering
  • SAP Installation and Configuration
  • Network Printer Install and Troubleshoot
  • Remote Support
  • Configure and Troubleshoot Office 365 - Outlook, Skype for Business, One Drive, SharePoint, Office Package
  • Troubleshoot Windows 10
  • VPN Configuration and Troubleshoot.

DESKSIDE SUPPORT SERVICES

MICROSOFT SRI LANKA
04.2018 - 04.2019
  • Device Hardware and Peripherals Installation and Configuration
  • Software Installation
  • Network Connectivity Support
  • Network Printer Support
  • PC/Device Move.

INTERN TRAINEE SYSTEM ENGINEER

SILICON TECHNOLOGY (PVT) LTD
01.2018 - 03.2018
  • CCTV Installation and Maintaining
  • Security Alarm Unit Installation and Maintaining
  • Centralize Management System Configurations (CCTV Surveillance System).

INTERN TRAINEE NETWORK ADMINISTRATOR-APPRETICESHIP

SK INTERNATIONAL HOLDINGS AND NETWORK SOLUTION COMPANY (PVT) LTD
08.2017 - 01.2018
  • Maintaining LOAD BALANCING devices
  • Planning and Implementing Short Distance and long-Distance WIRELESS BRIDGING solutions
  • Installing and configuring 2012, & 2012 R2 DNS Server and DHCP Server
  • Maintaining DNS Server Active Directory Management with security & policy
  • Computer Assembling, Upgrading and Servicing/ Troubleshooting and Repairing
  • Operating System Installing and Configuring (7, 8 and 10).

TRAINEE COMPUTER HARDWARE TECHNICIAN-APPRETICESHIP

VISTA COMPUTERS
12.2016 - 07.2017
  • Hardware configuration and Troubleshooting
  • Install and Update Computer system
  • Install computer software
  • Customer Handling.

Education

B.Eng. (Hons) in Computer Networking Top Up -

London-Met - UK
01.2018

Pearson BTEC Level 5 HND Diploma in Computing and System Development - undefined

ICBT
01.2016

Skills

  • Windows Server Administration
  • Leading Microsoft M365 / Azure Fundamental Administration
  • Windows Client Support
  • Computer Networking Management
  • Client-focused / Customer Support
  • Troubleshooting / problem-solving
  • Adaptability
  • Teamworking
  • Remote Work

Certification

  • Microsoft Certified Trainer, 2025
  • Microsoft 365 Certified: Teams Administrator Associate, 2024
  • Microsoft Certified: Identity and Access Administrator Associate, 2023
  • Microsoft Certified: Information Protection and Compliance Administrator Associate, 2023
  • Microsoft Certified: Azure Security Engineer Associate, 2023
  • Microsoft Certified: Azure Administrator Associate, 2023
  • (ISC)² Candidate, 2022
  • Introduction to Packet Tracer - Cisco Networking Academy, 2022
  • Microsoft Certified: Azure Fundamentals, 2022
  • Microsoft 365 Certified: Security Administrator Associate, 2022
  • Nutanix Hybrid Cloud Fundamentals - Nutanix University, 2021
  • SysTrack Certified Technician - Lakeside Software, 2021
  • Agile Concepts - Skillsoft, 2021
  • Microsoft 365 Certified: Administrator Expert, 2021
  • ITIL 4 Foundation - Skillsoft, 2021
  • Microsoft 365 Certified: Fundamentals, 2021
  • Microsoft 365 Certified: Endpoint Administrator Associate, 2021
  • MCSE: Core Infrastructure, 2021
  • MCSA: Windows Server 2016, 2020

Personal Information

  • Name in full : Dileeban Thilakaraja
  • Address (Permanent) : No: 255/1, Illangawatte Khatapitiya. Gampola. 20500
  • Address (Current ) - 123/8 SRI SUDHARMARAMA ROAD , KAWDANA ROAD , DEHIWELA.
  • Date of Birth : 05-March-1993
  • Gender : Male
  • Mobile : +94 771056260
  • School Attended : Gampola Hindu College
  • Mailto : prabupcfrd@gmail.com

Non-related referees

  • MR. DILAN JAYASINGHE, Manager - IT, +94 773575790, INIVOS GROUP, Colombo Innovation Center, Level 12, No 477, Colombo 04
  • MR. MANUKA GAMAGE, IT MANAGER, +94 77 152 2244, RESPLENDENT CEYLON, #46/38 Nawam Mawatha, Colombo 02

Timeline

SENIOR SYSTEMS ENGINEER

ZILLIONe Technologies
04.2023 - 09.2024

SYSTEMS ENGINEER

ZILLIONe Technologies
04.2022 - 04.2023

SENIOR ANALYST

HCL Technologies Lanka-Cinnamon Life
06.2021 - 04.2022

HELP DESK ENGINEER

DILMAH CEYLON TEA COMPANY
09.2020 - 06.2021

INFORMATION TECHNOLOGY COORDINATOR

DILMAH CEYLON TEA COMPANY
07.2020 - 09.2020

ASSOCIATE HELP DESK SUPPORT EXECUTIVE

DATA MANAGEMENT SYSTEMS (Pvt) Ltd - Division I
08.2019 - 06.2021

HELP DESK ENGINEER

RESPLENDENT CEYLON Pvt Ltd
08.2019 - 06.2020

ASSISTANT SYSTEM ENGINEER

BC COMPUTERS (PVT) LTD
04.2018 - 04.2019

BUSINESS SUPPORT CENTRE ENGINEER

Unilever Sri Lanka
04.2018 - 04.2019

DESKSIDE SUPPORT SERVICES

MICROSOFT SRI LANKA
04.2018 - 04.2019

INTERN TRAINEE SYSTEM ENGINEER

SILICON TECHNOLOGY (PVT) LTD
01.2018 - 03.2018

INTERN TRAINEE NETWORK ADMINISTRATOR-APPRETICESHIP

SK INTERNATIONAL HOLDINGS AND NETWORK SOLUTION COMPANY (PVT) LTD
08.2017 - 01.2018

TRAINEE COMPUTER HARDWARE TECHNICIAN-APPRETICESHIP

VISTA COMPUTERS
12.2016 - 07.2017

B.Eng. (Hons) in Computer Networking Top Up -

London-Met - UK

Pearson BTEC Level 5 HND Diploma in Computing and System Development - undefined

ICBT
  • Microsoft Certified Trainer, 2025
  • Microsoft 365 Certified: Teams Administrator Associate, 2024
  • Microsoft Certified: Identity and Access Administrator Associate, 2023
  • Microsoft Certified: Information Protection and Compliance Administrator Associate, 2023
  • Microsoft Certified: Azure Security Engineer Associate, 2023
  • Microsoft Certified: Azure Administrator Associate, 2023
  • (ISC)² Candidate, 2022
  • Introduction to Packet Tracer - Cisco Networking Academy, 2022
  • Microsoft Certified: Azure Fundamentals, 2022
  • Microsoft 365 Certified: Security Administrator Associate, 2022
  • Nutanix Hybrid Cloud Fundamentals - Nutanix University, 2021
  • SysTrack Certified Technician - Lakeside Software, 2021
  • Agile Concepts - Skillsoft, 2021
  • Microsoft 365 Certified: Administrator Expert, 2021
  • ITIL 4 Foundation - Skillsoft, 2021
  • Microsoft 365 Certified: Fundamentals, 2021
  • Microsoft 365 Certified: Endpoint Administrator Associate, 2021
  • MCSE: Core Infrastructure, 2021
  • MCSA: Windows Server 2016, 2020
DILEEBAN THILAKARAJA