Chathura Bhaggya

Chathura Bhaggya Profile Photo

IT Infrastructure Administrator

Managing, Designing, and Securing Cloud and On-Premise Environments.

Over 3 years of experience [cite: 6] managing, designing, and securing cloud and on-premise environments[cite: 6]. Currently handling end-to-end infrastructure and security operations for a FinTech company[cite: 7]. Experienced in implementing and maintaining **ISO 27001** and **PCI DSS** compliant infrastructure[cite: 9].

Certified: RHCSA [cite: 11] Certified: CCNA [cite: 11]
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Work Experience

IT Infrastructure Administrator

PayMedia Private Limited

Sep 2025 - Present

  • Designed and implemented cloud deployment architectures (monolithic and microservices) for scalability, security, and high availability[cite: 15].
  • Expertise in AWS services including VPC, EC2, IAM, RDS, EKS, CodePipeline, Route 53, and CloudWatch[cite: 16].
  • Leveraged Infrastructure as Code (IaC) tools like **Terraform** and **AWS CloudFormation** to manage infrastructure consistently[cite: 29].
  • Managed security groups, firewall rules, and performed server hardening activities for compliance[cite: 19, 22].
  • Developed automation scripts using **Python** to improve operational efficiency[cite: 28].

System Administrtaor (Assistant Manager)

RIL Property PLC

Jan 2023 - Aug 2025

  • Managed and configured Linux (Red Hat, Ubuntu, CentOS, Debian, Fedora) and Windows server operating systems[cite: 36].
  • Proficiently managed virtualization using **VMware vCenter Platform**[cite: 38].
  • Administered the **Microsoft 365 portal** (Exchange, OneDrive, Teams, SharePoint) and security configurations[cite: 43].
  • Configured and managed firewalls (**Fortinet 200D, Sophos XG136**), VPNs, and network devices from Cisco, Huawei, UniFi, etc.[cite: 39, 40, 41].
  • Implemented backup strategies and tested disaster recovery plans to ensure business continuity[cite: 47, 48].
  • Automated tasks and improved efficiency using **PowerShell** and **Bash** scripting[cite: 57].

Technical Skills

Cloud Computing [cite: 86]

AWS (Primary), Azure, Huawei Cloud, Orel Cloud [cite: 86]

Containerization & Virtualization [cite: 90]

VMware, Hyper-V, Docker, Kubernetes, EKS [cite: 90]

Networking & Load Balancing [cite: 88]

LAN, WAN, VPN, Switching & Routing, ALB, NLB, API Gateway [cite: 88, 16]

Security & Compliance [cite: 89]

Firewall, Security Groups, WAF, ISO 27001, PCI DSS [cite: 89, 9]

Operating Systems & Server [cite: 87]

Redhat, Ubunutu, Amazon Linux, Windows Server 2019 [cite: 87]

IaC & Automation

Terraform [cite: 29], AWS CloudFormation [cite: 29], Python [cite: 28], PowerShell [cite: 57], Bash [cite: 57]

Education & Certifications

BSc (Hons) in Information Technology [cite: 66]

Sri Lanka Institute of Information Technology [cite: 67]

Feb 2019 - Feb 2023 [cite: 69]

Specialization in Computer Systems and Network Engineering[cite: 68].

Professional Certifications [cite: 78]

  • Red Hat Certified System Administrator (**RHCSA**) [cite: 79]
  • Cisco Certified Network Associate (**CCNA**) [cite: 79]
  • Fortinet Certified Fundamentals Cybersecurity [cite: 80]
  • Multiple CCNA & Fortinet course completion certificates [cite: 80, 81, 82, 83]