Professional Resume

BSc in IT (1st Class) | AWS SAA | CCNA

Professional Summary

Currently employed Senior DevOps Engineer at LSEG, with strong professional experience in Observability and DevOps-SRE.

Education

  • BSc (Hons.) in Information Technology specialized in Computer Systems and Network Engineering, 3.75 GPA, 1st Class Honors, Merit Award, Dean's List, Sri Lanka Institute of Information Technology (SLIIT), Malabe, 2024
  • AWS Solutions Architect Associate (SAA) - Expires 28 Apr 2027
  • Cisco Certified Network Associate (CCNA) - Expires 20 Oct 2027
  • G.C.E Advanced Level (Other Stream 2018) - ICT (A Pass), Physics (C Pass), Com. Math. (S Pass), (Bio-Stream 2019) – Biology, Chemistry, Physics (3S Passes), D. S. Senanayake College, Colombo 7
  • G.C.E Ordinary Level (2015) (7As 2Bs) - A Passes [Math, ICT, English, Buddhism, Sinhala, History, Business & Accounting Studies], B Passes [Science, English Literature], (2016 - Second Language Tamil - S Pass), York International School, Sapugaskanda

Professional Experience

Engineer – DevOps-SRE, Cross-Functional DevOps Team, LCH, LSEG (2024 Q4-Present)

  • Automated observability operations by developing Bash/Python scripts to replicate Datadog monitors and dashboards across PROD, UAT and DEV saving hundreds of hours of manual effort.
  • Aided in Calypso Cloud Migration, delivering rapid monitoring fixes and post-Go-Live cross-environment monitoring stabilization.
  • Designed RDS log forwarding via Datadog Custom Agent Checks Enhancement, as an alternative to unreliable Lambda Log Forwarder.
  • Contributed to ongoing efforts on LCH SwapClear Cloud Migration by implementing cloud native file storage and vault management solutions, and other DevOps deliverables using Terraform, Ansible, and GitLab CI/CD; documented all changes on review calls and wiki pages.
  • Led Team PreDDict in the LSEG Hackathon 2025 — innovated a Predictive Incident Analysis Solution using Datadog Webhooks, Snowflake ML, and AWS Lambda; ranked Top 18 of 87 teams globally.
  • Delivered beyond-work initiatives - contributing to develop a mock EKS System/Template with Terraform and Datadog OaC (Observability as Code), presented to SLASSCOM-affiliated university lecturers.
  • Served as Observability SME, mentoring peers on advanced monitoring issues, managing Datadog task allocations, and building team visibility JIRA dashboards.

Associate Engineer – Application Management, FLR (Front Line Risk) Team, LCH, LSEG (2023 Q3–2024 Q3)

  • Onboarded to FLR, a critical LCH domain, that involves equity and bond markets, internal/external market data sources and standardized communication mechanisms/APIs and is open during stock-market hours.
  • Joined to reinforce a low-headcount team and rapidly mastered the domain and its SRE tools: Datadog, ServiceNow, BigPanda, Control-M, AWS, and BeyondTrust.
  • Built a ServiceNow Dashboard (incidents, changes, CMDB details) and a shared Cancelled Incident Categorization Excel Workbook, automating manual ITSM tasks and increasing efficiency.
  • Ensured smooth ServiceNow Greenfield Migration, migrating team dashboards and custom forms without data loss.
  • Supported AIOps migration from Moogsoft to BigPanda, validating thousands of incidents across both platforms using ServiceNow dashboards and Excel.
  • Implemented Datadog monitors and dashboards (on-prem + cloud) and PowerShell scripts for Azure AD account audits.
  • Led and contributed to beyond-work initiatives – organized an AWS Architecture Diagram Competition; hosted sessions on Datadog automation with Terraform and RDS deployment on AWS; and presented to guest university students on LSEG engineering careers.

Associate Engineer / Promoted Intern – Application Management, Portal Team, LCH, LSEG (2022/5/23–2023 Q3)

  • LCH Portal – the frontend gateway for all global market services such as equities, bonds, collateral and others, offered by LCH PostTrade, part of LSEG, supporting high-volume financial reporting via secure APIs and data exchange channels running 24/7 across external PROD and UAT environments.
  • Performed L2 Client Support and SRE activities — incident triage, issue analysis and resolution, workflow monitoring, and PROD/UAT change support.
  • Gained hands-on experience in Datadog Observability, ServiceNow (SNOW) ITSM / ITIL 4.0 incident and change processes, RHEL/Linux, and AWS Cloud ecosystem, CI/CD Tools such as Bitbucket, Nexus and Jenkins; completed Datadog 101 – SRE Certificate and other mandated internal IT/Financial courses.
  • Composed presentations, documentation, and Confluence wiki pages, praised for their clarity and quality.
  • Trained to independently handle SF1 (05:30–14:30), SF3 (21:30–06:30), and General (13:30–22:30) shifts with minimal supervision.
  • Independently built a ServiceNow Dashboard covering ITSM items such as Incidents, Changes, and User Requests - greatly improving visibility and eliminating manual queries for the team.
  • Designed workflow and tracking improvements using Excel/VBA, reducing BAU effort.
  • Trained and mentored three new joiners, facilitating fast onboarding to the team and BAU tasks.

Skills

Linux Administration

  • Environments: Red Hat, Fedora, CentOS, Rocky Linux, Ubuntu, Windows (Pro & Server 2012 R2), WSL, VMWare
  • Scripting & Automation: Bash Scripting, Cronjobs
  • Networking: Network Configurations, DHCP, BIND DNS
  • Web Servers: Apache, nginx, TomCat, SSL Certification
  • Proxy: Squid
  • Mail: Zimbra, Postfix, POP3, IMAP
  • Security: ACL, SELinux
  • Containers & Virtualization: KVM, OpenShift, OpenStack, Docker, Kubernetes
  • Monitoring: Red Hat Cockpit, OpenNMS
  • Version Control: Git

Network Administration

  • General: Cisco CLI Configurations, Full Network Deployment with Cost Analysis, LAN, WAN, Wireless Networks
  • Protocols: VPN, PPPoE, GRE, BGP (eBGP), LDAP, DHCP, NAT, Port Forwarding, Port Mapping
  • Redundancy & Load Balancing: VRRP, GLBP, HSRP, Load Balancing
  • Routing: RIP, EIGRP, OSPF
  • Switching: VLAN, VTP, DTP, STP, PVST, Switchport Security
  • Link Aggregation: Etherchannel, PAgP, LACP
  • QoS: QoS Configurations
  • Monitoring: SNMP, OpenNMS, Zabbix, Cisco Business Dashboard, MS Systems Center
  • Troubleshooting: SPAN
  • Security: ACL

Cloud & Other Technologies

  • AWS: EC2, S3 Buckets, DynamoDB
  • Storage: RAID, NAS, SAN, DAS, FTP, FileZilla, NFS
  • Databases: MySQL, PostgreSQL, MS Access, MS SQL Server, MongoDB, DerbyDB, Oracle DB Server (12c, DBCA, NonDBCA), WAMP Server
  • Observability & ITSM: Datadog (Completed Datadog 101: SRE), MoogSoft, BigPanda, ServiceNow
  • Other: Salesforce, ITIL4 Concepts, Control-M Process Scheduler, Project Management (PMBOK) Concepts

Electronics

  • Fundamentals: Simple Circuits, Embedded Systems, Robotics, Line Robots
  • Platforms: Arduino, Raspberry Pi, NodeMCU
  • Languages: Assembly, Assembly C
  • IDEs & Tools: Arduino IDE, Microchip Studio, TinkerCAD (Circuit Design)
  • Applications: IoT, IoE, Home/Greenhouse Automation, Environment Monitoring, CCTV Configurations/Deployment

Software Development

  • IDEs: VSCode, Eclipse, Visual Studio, NetBeans
  • Languages: C, C++, C#, Java, Python
  • Automation: Python Automation & Bots, AutoIT Windows GUI Automation, Selenium Browser Automation
  • Desktop Development: Java
  • Web Development: HTML5, CSS3, JavaScript, PHP
  • Web Frameworks: Django, JSP, Servlets, SpringBoot, ReactJS
  • Stacks: MERN, LAMP
  • Version Control: Git, GitHub

Other Skills

  • Typesetting: Sinhala (Helakuru), Tamil (Keymen)
  • Graphic Design: Inkscape (Vector), GIMP, Scribus
  • Video Editing: Da Vinci Resolve
  • Office & Productivity: Advanced MS Office Suite (Word, Excel, PowerPoint, VBA), Google Sheets, Google Forms, Google G Suite
  • Compering
  • Presentation Design

Interests

  • Chess
  • Stamp / Coin Collection
  • Swimming
  • Anime/Donghua
  • League of Legends

Contact