Architecting High-Availability
Enterprise Networks & Zero-Trust Defense.
Senior Network & Security Engineer with 8+ years of production experience orchestrating Fortinet perimeter security, Cisco CCNP enterprise routing, Huawei Datacenter modular pods, nationwide SD-WAN failovers, and Marriott International hospitality conversions.
Professional Work Experience
8+ years spanning international luxury hospitality, financial institutions, insurance, and academic laboratories.
IT Support Coordinator & Network Engineer
Marriott Executive Apartments Doha, Le Mirage City Walk
Directing technical upgrades and infrastructure conversions to Marriott International brand standards. Managing core technology infrastructure: Aruba controllers and access points, Fortinet 900D firewalls, Cisco switches, Huawei Datacenter ECC800 pods, Oracle Opera PMS servers, VICAS IPTV, Alcatel IP PBX, Micros POS, and VingCard/Saflok BLE Mobile Key entry systems.
Network Engineer
Central Finance Company PLC
Engineered enterprise SD-WAN connectivity linking branch offices with Colombo headquarters via Fortinet security appliances and Sri Lanka Telecom redundant fiber circuits. Administered BGP/OSPF dynamic routing, automated sub-second failovers, enterprise perimeter policies, and disaster recovery replication drills.
System Engineer
Continental Insurance Lanka Limited
Administered multi-site VMware ESXi and Hyper-V virtualization clusters, Nakivo and Veeam automated backups, and Palo Alto / WatchGuard perimeter firewalls protecting corporate financial records and insurance underwriting infrastructure.
Network Administrator & Lab Instructor
Azitas Code (Introps) & ESOFT Metro Campus
Administered development networks, secured dev subnets, and deployed CI/CD conduits at Azitas Code. Guided undergraduate engineering students in live Cisco rack configurations, subnetting mathematics, and Packet Tracer network demonstrations.
Featured Enterprise Projects
High-stakes infrastructure deployments delivered with zero downtime and strict compliance.
Marriott Property Conversion at Le Mirage City Walk
Complete infrastructure uplift converting property network, security perimeter, and guest technology to Marriott Global Standards. Enforced zero-trust network segmentation between guest VLANs, administrative financial systems, and IoT locks.
Huawei ECC800 Datacenter Pods Consolidation
Spearheaded end-to-end datacenter consolidation and migration into modular Huawei ECC800 pods. Maintained zero downtime across active guest reservations and billing systems with high-density optical patch reorganizations.
Central Finance SD-WAN Nationwide Rollout
Implemented Fortinet Secure SD-WAN across distributed branch offices linking to Colombo headquarters. Integrated primary and secondary Sri Lanka Telecom fiber connections with automated sub-second failover and dynamic BGP route policy steering.
Alcatel PBX and VoIP Infrastructure Deployment
Complete setup and configuration of Alcatel PBX servers, SIP trunking, and IP phones across guest apartments and back-office administrative departments for crystal clear high-density communication and automated QoS priority.
Technical Infrastructure Stack
Enterprise vendor hardware, next-generation security, cloud fabrics, and hospitality IT.
Perimeter & Firewalls
- Fortinet FortiGate (900D)
- Palo Alto Networks
- WatchGuard & Sophos
- SonicWall Firewalls
- DPI SSL & Threat Feeds
Routing & Switching
- Cisco CCNP / CCNA
- Huawei R&S & ECC800
- Aruba Switches & AirWave
- BGP, OSPF, VLANs, LACP
- SD-WAN Sub-Second Failover
Cloud & Virtualization
- Microsoft Azure (AZ-104)
- Oracle Cloud (OCI AI)
- Amazon Web Services (AWS)
- VMware ESXi & Hyper-V
- Aviatrix Multi-Cloud Transit
Hospitality IT Systems
- Oracle Opera PMS Core
- Micros POS & Sun Backoffice
- VingCard / Saflok BLE
- Veeam Backup Replication
- CrowdStrike Falcon EDR
Licenses, Certifications & Badges (18+)
Interactive credentials directory with verified license IDs and certifying bodies.
Cisco Certified Network Professional (CCNP): Advanced Routing
Enterprise IP routing, BGP multi-homing architectures, and policy routing.
CCNP Enterprise: Core Networking
Dual-stack architecture, network virtualization, and infrastructure security.
Cisco Certified CyberOps Associate
SOC incident detection, forensics, and rapid threat containment.
Cisco CCNA Routing and Switching
Core LAN/WAN routing protocols, spanning tree, and IPv4/IPv6 architectures.
Cisco CCNA Security
Network perimeter hardening, AAA authentication, ACLs, and VPN encryption.
Fortinet NSE 3 Network Security Associate
FortiGate, FortiManager, FortiAnalyzer, and cyber perimeter hardening.
The Ethical IT Professional
Chartered Institute for IT code of ethics, security governance, and compliance.
OCI 2023 AI Certified Foundations Associate
Oracle Cloud AI services, machine learning models, and semantic processing.
Aviatrix Multi-Cloud Network Associate
Transit networking connecting AWS, Azure, and OCI at wire speed.
Security Certified Network Specialist (SCNS)
International CyberSecurity Institute UK defensive operations.
Google System Administration & IT Infrastructure
Enterprise directory services, recovery policies, and server deployment.
IBM Cybersecurity Roles & OS Security
Operating system hardening, privilege containment, and forensic log triage.
Education & Prestigious Honors
International degree credentials, consecutive Best Performance awards, and Gold Medal honors.
Bachelor of Engineering (Hons) in Computer Networking
London Metropolitan University UK
Graduated with First Class Honours. Awarded the prestigious Gold Medal for Best Performance at the Awarding Ceremony 2021.
Higher National Diploma in Computer Networking
Pearson Education (Edexcel) UK
Graduated with Distinction. Conferred the Silver Medal for Best Performance at the Diploma Awarding Ceremony 2017.
NVQ Level 4 (Computer Hardware Technician)
Vocational Training Authority Sri Lanka
Specialized in motherboard circuit diagnosis, system buses, peripheral architectures, and hardware failure isolation.
Available for Strategic Network & Infrastructure Roles
Whether you need technical leadership for an enterprise SD-WAN rollout, perimeter firewall hardening, hospitality brand conversions, or infrastructure consultations, feel free to reach out.