Shanuka Jayakodi
@shanukajayakodi
I am an infrastructure engineer specializing in network security and automation.
Sri LankaWhat I'm looking for
I am a network and systems engineer focused on enterprise data center operations, firewall management, and automation. I hold a First Class Honours degree in Ethical Hacking and Network Security and multiple industry certifications (CCNA, AZ-104, OCI Foundations) that underpin my technical approach.
With nearly three years of hands-on experience, I have managed Data Center networks, implemented ELK for log management, automated firewall configuration backups and bulk policy changes, and supported major clients to improve uptime and security. I deliver practical, documented solutions and seek to apply automation, cloud integration, and rigorous security practices to drive measurable infrastructure improvements.
Experience
Work history, roles, and key accomplishments
Systems Engineer
MillenniumIT ESP
Apr 2025 - Present (4 months)
Manage data center networks and build automation tools to streamline operations, including automated configuration backups and daily checklist automation; manage and support 20+ perimeter firewalls and optimize IP blocking procedures.
Systems Support Engineer
MillenniumIT ESP
Aug 2023 - Mar 2025 (1 year 7 months)
Maintained data center networks and security for customer sites, managing Palo Alto and Cisco ASA firewalls, Cisco Nexus/Catalyst switches and F5 BIG-IP load balancers; implemented ELK for log management and consistently met SLA targets.
Network Engineering Intern
MillenniumIT ESP
Oct 2022 - Jul 2023 (9 months)
Supported LAN/WAN networks and server administration at a customer site, managed firewalls, implemented Zabbix NMS with alerts, produced network diagrams, and assisted with Windows AD and Linux system management.
Education
Degrees, certifications, and relevant coursework
CUCoventry University
Bachelor of Science (Honours), Ethical Hacking and Network Security
2019 - 2024
Grade: First Class Honours
Completed BSc (Hons) in Ethical Hacking and Network Security with First Class Honours, focusing on network security, ethical hacking, and system hardening.
NMNational Institute of Business Management
Higher National Diploma, Network Engineering
Grade: Merit Pass
Activities and societies: HND Final Project: Advanced Virtualized Network Infrastructure (Grade: A-)
Awarded Higher National Diploma in Network Engineering with Merit Pass, covering network design, virtualization, and infrastructure management.
NMNational Institute of Business Management
Diploma, Network Engineering
Grade: Pass
Activities and societies: Network Project: Network Design & Implementation for a hotel environment (Grade: A)
Completed Diploma in Network Engineering with Pass, including design and implementation of a hotel network using Cisco switches and ESXi servers.
NMNational Institute of Business Management
Advanced Certificate, English Language
Grade: Merit Pass
Awarded Advanced Certificate in English Language with Merit Pass.
Availability
Location
Sri LankaAuthorized to work in
Website
the-debugging-diaries.comJob categories
Skills
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