Hi, I'm
Buddika A. Silva

Microsoft-certified IT professional focused on endpoint security, cloud administration and technical training. Building resilient, scalable systems using Microsoft Intune, Defender, Sentinel and Entra ID.

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About

Who Am I?

Buddika A. Silva — Trainee Systems Engineer (Microsoft Cloud Solutions) @ ZILLIONe Technologies; Founder of Arctic Technologies; Director of IT & Development @ LEO District 306 D1; Volunteer @ Microsoft IT Pro Community.

I'm an IT professional passionate about secure infrastructure, Microsoft cloud solutions, and empowering others through technology and education. I bring hands-on expertise in endpoint security, SIEM implementation, and identity management with Microsoft Intune, Defender, Sentinel, and Entra ID. My focus is on building resilient, scalable systems that strengthen organizational security.

As founder of Arctic Technologies, I lead a team delivering device repair, network setup, and SLA-driven IT support. I also champion youth leadership and community service through LEO District 306 D1, and actively contribute to the Microsoft IT Pro Community. I hold multiple Microsoft certifications (AZ-900, AZ-104, AI-900, MD-102) and am committed to knowledge-sharing and continuous growth.

Skills

Top Skills & Languages

Technical Skills

  • Microsoft Intune
  • Microsoft Defender
  • Microsoft Entra ID
  • Microsoft Sentinel (SIEM)
  • Azure Administration
  • Endpoint Security
  • Network Administration
  • Device Management

Languages

  • English (Professional)
  • Sinhalese (Native / Bilingual)
Education

Education & Certifications

Wrexham University — BSc (Hons) Computer Networks & Security Jan 2026 - Present

Microsoft Certifications 2023 - 2024

AZ-900, AZ-104, AI-900, MD-102

Vocational Training Centre - Dehiwala 2023 - 2024

  • Certificate in Network Administration with Security (2024)
  • Diploma in Computer Hardware with Network (2023)
  • Certificate in Professional English (2023)

Cisco Networking Academy 2024

Introduction to Cybersecurity

LinkedIn Learning Certifications 2023 - 2024

  • Artificial Intelligence Fundamentals
  • Project Management
  • Career Essentials in Generative AI by Microsoft and LinkedIn
Experience

Work Experience

ZILLIONe — Trainee Systems Engineer Dec 2025 - Present

Microsoft Cloud Solutions
Managed IT infrastructure, user support, and security implementations across diverse customer environments..

Key Contributions:

  • Performed monthly health checks across Active Directory, SCCM, and Microsoft 365 environments
  • Delivered troubleshooting and pre-sales support, tailoring Microsoft solutions to client requirements
  • Strengthened endpoint security using Intune and Defender across multiple customer environments
  • Shared new skills and knowledge with team members to enhance overall capability

ZILLIONe — Internal IT Professional Dec 2024 - Dec 2025

Managed internal IT infrastructure, user support, and security implementations across the organization.

Focused on endpoint security and user support, working extensively with Microsoft Intune, Defender, and security portals. Implemented Microsoft Sentinel SIEM, configured alerting systems, and led phishing awareness campaigns.

Key Contributions:

  • Deployed Microsoft Sentinel SIEM with custom alerting and incident response workflows
  • Managed endpoint security using Intune and Defender across 150+ devices
  • Led phishing awareness campaigns, reducing risk exposure by 40%
  • Streamlined identity management with Entra ID and conditional access policies

Arctic Technologies — Founder Oct 2024 - Present

Owner and founder delivering device repair, network setup, and SLA-driven IT support. Driving innovation and customer-focused solutions with deep commitment to excellence and technological advancements.

National Youth Services Council — Demonstrator Jul 2023 - Aug 2025

Taught Computer Hardware & Network diploma classes; created hands-on labs and supported curriculum delivery. Passionate about empowering youth through engaging and innovative educational experiences with cutting-edge technologies.

Volunteering

Volunteer & Leadership Roles

Leo District 306 D1 — Director - IT & Development Jan 2026 - Present

Leading IT and development initiatives across the Leo District. Driving technology adoption, digital transformation projects, and fostering innovation within the organization and across Leo clubs in the region.

Leo Club of Colombo (Host) — Assistant Secretary Dec 2024 - Present

Supporting leadership and administrative functions of the longest-standing Leo Club in Sri Lanka. Actively involved in impactful community projects including sewing schools for underprivileged girls, health camps, rural water distribution, and supporting sight-impaired individuals.

Microsoft IT Pro Community - Sri Lanka — Active Member May 2024 - Present

Dedicated to staying at the forefront of technological advancements and industry trends, I actively participate in monthly meetings that provide a platform for IT professionals to share knowledge and explore the latest in Microsoft technologies, including Azure, Office 365, Windows Server, and best practices in IT management and cybersecurity. Starting as a member, I have now taken on the role of volunteer for event organizing, contributing my time and commitment to building a stronger community and shaping a better IT future

Contact

Get In Touch

📍 Location: Colombo, Western Province, Sri Lanka

📱 Mobile: +94 78 886 1811

✉️ Email: BuddikaAshanSilva@Hotmail.com