Founder, INFOWEB — Cybersecurity Engineer for Hire

SAHAN
SANKALPA

Microsoft Sentinel · Defender XDR · SIEM · Cloud Security

Cybersecurity engineer with 7+ years of hands-on expertise in Microsoft Sentinel, Defender XDR, and multi-cloud security — available for freelance projects, security deployments, and consulting engagements globally.

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7+
Years of Experience
INFOWEB
Founder — Est. 2026
8
Certifications
SEAsia
Largest Sentinel Deployment
01

ABOUT ME

I'm a Cybersecurity Engineer turned Founder — currently building INFOWEB, a full-service IT company delivering solutions across cybersecurity, web & software development, mobile apps, SEO, social media marketing, and IT managed services.

My engineering track record includes one of Southeast Asia's largest Microsoft Sentinel implementations and Defender XDR rollouts across major Sri Lankan banks, developed during my tenure at H-One (PVT) Ltd.

Currently pursuing an MSc in Cyber Security at the University of West London, I'm committed to staying at the forefront of an ever-evolving threat landscape.

📞 +94 77 224 0835 ✉ [email protected] in linkedin.com/in/sahan-sankalpa
// Core Competencies
Microsoft Sentinel Defender XDR CrowdStrike EDR Cortex XDR SIEM Engineering Threat Detection Incident Response KQL Playbook Automation Azure Sentinel
// Infrastructure & Cloud
Azure Cloud Multi-Cloud Security Microsoft Intune PowerShell Networking Vulnerability Management
// Endpoint & Data
Endpoint Security Carbon Black Sophos Central Titus DLP Boldon James Fortinet
02

EXPERIENCE

2026 – Present
INFOWEB
Founder CURRENT
  • Founded INFOWEB — a full-service IT company delivering cybersecurity, web & software development, and managed IT services.
  • Leading end-to-end cybersecurity projects including SIEM deployments, threat detection, and security consulting for enterprise clients across multiple countries.
  • Overseeing website design, web system development, mobile app development, and SEO services for regional and global clients.
  • Providing IT managed services and IT consultancy, helping organisations digitise operations and strengthen their security posture.
  • Driving business development, client acquisition, and technical delivery across Sri Lanka and internationally.
2023 – Apr 2026
H-One (PVT) Ltd
Information Security Engineer
  • Contributed to one of Southeast Asia's largest Microsoft Sentinel deployments.
  • Deployed and maintained log collectors for reliable data ingestion across diverse environments.
  • Designed and fine-tuned detection rules to reduce false positives and improve threat visibility.
  • Built automation rules and playbooks to accelerate incident response processes.
  • Optimised Sentinel costs through data lake configuration, filtering, and dedicated cluster strategies.
  • Deployed Microsoft Defender XDR for major banks across Sri Lanka.
  • Hands-on management of the Microsoft Intune platform.
2022 – 2023
Cryptogen (PVT) Ltd
Information Security Engineer
  • Deployed and supported firewalls, proxies, SIEM, and XDR systems for clients.
  • Developed automation scripts to streamline SOC operations and daily tasks.
  • Analysed critical security incidents escalated by the SOC team.
  • Deployed data classification solutions including Titus and Boldon James.
  • Leveraged CrowdStrike EDR, Cortex XDR, Carbon Black, and Sophos Central for endpoint security.
2020 – 2022
Vertical Tech Solutions (PVT) Ltd
System Administrator
  • Oversaw daily operation and optimisation of the company's IT infrastructure.
  • Resolved hardware, software, and network issues for users.
  • Planned and executed system upgrades and scalability improvements.
  • Developed backup and disaster recovery plans to ensure business continuity.
2019 – 2020
Sysdek (PVT) Ltd
System Administrator
  • Managed IT support services and client relations.
  • Administered pfSense, 3CX, Zimbra, and Zentyal Active Directory.
  • Implemented and managed the iTop ticket management portal.
  • Conducted Windows server health checks and performance monitoring.
2017 – 2019
Datacon Solutions (PVT) Ltd
GPS & Server Technician
  • Installed GPS devices, deployed servers, and set up electrical systems.
  • Developed customised electronic and software solutions for diverse industries.
  • Facilitated remote monitoring and control functionalities across various systems.
03

CERTIFICATIONS

2026
Information Security Administrator Associate
Microsoft Certified
2025
Security Operations Analyst Associate
Microsoft Certified
2025
Identity and Access Administrator Associate
Microsoft Certified
2025
Information Protection & Compliance Administrator Associate
Microsoft Certified
2022
Certified Falcon Administrator
CrowdStrike
2022
Certified Ethical Hacker (CEH)
EC-Council
2022
Network Security Associate — NSE 1, 2, 3
Fortinet
2022
Certified Support Engineer
HelpSystems
04

EDUCATION

2026 – PRESENT
MSc in Cyber Security
University of West London
2018 – 2019
Advanced Diploma in Cyber Security
CICRA Campus
2016 – 2017
Diploma in Information Technology
National Institute of Business Management
05

SERVICES

// Cybersecurity

01 / SIEM
Microsoft Sentinel Deployment
End-to-end Sentinel setup, log connector configuration, workspace architecture, and cost optimisation for enterprises.
02 / XDR
Defender XDR Implementation
Deploying and configuring Microsoft Defender XDR across endpoints, email, identity, and cloud apps.
03 / DETECTION
Threat Detection Engineering
KQL rule authoring, MITRE ATT&CK-aligned analytics, false-positive reduction, and detection coverage assessments.
04 / AUTOMATION
SOC Playbook & Automation
Logic Apps, automation rules, and SOAR playbooks to accelerate incident response and reduce analyst workload.
05 / CLOUD
Cloud Security Architecture
Azure & multi-cloud security posture management, identity hardening, and security best-practice implementation.
06 / ENDPOINT
Endpoint Security & EDR
CrowdStrike, Cortex XDR, Carbon Black, and Sophos deployment, tuning, and ongoing management.

// Web & Software Development

07 / WEB
Website Design & Development
Custom, modern websites built for performance, aesthetics, and conversion — from landing pages to full corporate sites.
08 / SOFTWARE
Web System & Software Development
Scalable web applications, business management systems, and custom software solutions tailored to your workflows.
09 / MOBILE
Mobile App Development
Cross-platform mobile applications for iOS and Android, built with the latest technologies for seamless user experiences.

// Digital Marketing & IT Services

10 / SEO
Search Engine Optimisation
Technical SEO, on-page optimisation, structured data, and content strategy to rank higher and attract the right traffic.
11 / SOCIAL
Social Media Marketing
Strategic social media campaigns, content creation, and brand growth across LinkedIn, Instagram, Facebook, and more.
12 / MANAGED IT
IT Managed Services
Proactive monitoring, IT helpdesk support, infrastructure management, and end-user support to keep your business running smoothly.
13 / CONSULTANCY
IT Consultancy
Strategic IT advisory to help organisations align technology with business goals, optimise infrastructure, and plan digital transformation.
07

GLOBAL REACH

// Countries where Sahan & INFOWEB have delivered projects

🇱🇰 Sri Lanka 🇸🇬 Singapore 🇨🇦 Canada 🇰🇼 Kuwait 🇦🇪 Dubai, UAE 🇫🇷 France 🇦🇺 Australia 🇺🇸 United States

Available for Freelance & Contract Projects

HIRE ME
TODAY.

Looking for a Microsoft Sentinel expert, XDR consultant, or SIEM engineer? Available for short-term engagements, long-term contracts, and remote projects worldwide.

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