Dimuthu Samarawickrama

Associate System Engineer – Microsoft Modern Workplace

Associate System Engineer specializing in Microsoft Modern Workplace solutions with hands-on experience in system administration, cloud services, and cybersecurity. Skilled in managing Microsoft 365 environments, Azure Active Directory, Intune, and hybrid identity infrastructures. Certified in Microsoft 365 Fundamentals, Azure Fundamentals, Azure Administrator Associate, and Fortinet cybersecurity. Proven ability to deploy and secure Windows devices with Autopilot and Endpoint Manager, implement compliance and security policies with Microsoft Defender, and support collaboration platforms including Teams, SharePoint, and Exchange Online. Experienced in virtualization (Proxmox, ESXi), backup solutions (Veeam), and scripting automation with PowerShell. Strong track record of optimizing IT operations, enhancing security, and delivering reliable technical support across diverse environments.

Technical Skills

• Cloud Services: Microsoft 365, Azure AD, Intune, Exchange Online, SharePoint Online, Teams

• Identity & Security: MFA, Conditional Access, Defender for 365, SSPR, Azure AD Connect

• Endpoint Management: Intune, Windows Autopilot, Compliance & Configuration Policies

• Collaboration Tools: Teams, OneDrive, Outlook, SharePoint

• Scripting: PowerShell for M365 and Azure automation

• Operating Systems: Windows Server, Windows 10/11, Linux knowledge

Certifications

• Microsoft Certified: Microsoft 365 Fundamentals (MS-900) – Microsoft.

• Microsoft Certified: Azure Fundamentals (AZ-900) – Microsoft.

• Docker Training Course for the Absolute Beginner.

• Fortinet Certified Associate in Cybersecurity – Fortinet.

• Fortinet Certified Fundamental in Cybersecurity – Fortinet.

• Introduction to Cybersecurity – Cisco.

• Microsoft Certified: Azure Administrator Associate Certificate Course - NextGen Campus.

• 20-Day Intensive Training in Windows Server and Network Engineering Job Target Programme - NextGen Campus.

Associate System Engineer – Microsoft Modern Workplace (2025 September 01 to Present)

• Administer and support Microsoft 365 environments including Exchange Online, Teams, SharePoint Online, and OneDrive for Business.

• Manage and monitor Microsoft Intune for device management, compliance policies, and app deployment across Windows, Android, and iOS platforms.

• Implement and maintain Azure Active Directory (user lifecycle, SSPR, conditional access, MFA, and role-based access control).

• Configure and support hybrid identity environments (Azure AD Connect / Entra Connect) for on premises and cloud identity synchronization.

• Deploy and manage Windows 10/11 devices using Autopilot and Endpoint Manager.

• Ensure security and compliance by applying Microsoft Defender for Endpoint, Security Baselines, and Compliance Center policies.

• Collaborate with senior engineers on Exchange migrations, Teams Voice setup, and SharePoint data governance.

• Provide technical support and training to end-users on Microsoft 365 applications and best practices.

• Perform Exchange Online mailbox, OneDrive, and SharePoint backups through ConnectWise to ensure data protection and business continuity.

NETWORK ADMINISTRATOR AT LANKACOM PVT LTD (2024 January 17 to 2025 August 31)

• Windows Active Directory User Management.

• Implement Passbolt password server.

• Implement IPAM system for IP management.

• Remote Desktop Server Management.

• Implement Proxmox Virtual Environment for Testing Servers.

• Implement ESXi Virtual Environment for Testing Servers.

• Daily and Weekly Backup Processes with Veeam Backup, File-Level Backups.

• Windows Servers OS, Windows OS, Linux OS Install and Troubleshoot.

• Datacenter Access Management.

• Endpoint Virus Guard Management.

• PC Hardware and Software Issue Troubleshooting.

• Outlook Troubleshooting.

• LAN Department Inventory Management.

TRAINEE AT SK INTERNATIONAL HOLDINGS(NLS 3208) (2023 Oct. 09 to 2024 January 16)

Implementing and Planning Single Domain Environment Installing and Configuring 2000, 2003, 2008, 2012, & 2012 R2, 2016, 2019, 2022 DNS Server Maintaining DNS Server Active Directory Management with Security & policy Implementing and Maintaining Child Server Environment or Department Wise Network Solutions.
Real-Time Backup Server Solutions Planning and Maintaining Disaster Management Solutions.
Implementing Mail Server Solution for Company (POP3 or IMAP). Planning and Implementing Short Distance and Long- Distance Wireless Bridging Solutions.
Network Monitoring Solutions, Maintaining Load Balancing Devices and Network Traffic Balancing Devices. Implementing and Planning Internet Distribution and Proxy Server.