Technical Lead - DevOps & Platform Engineering @ Sysco Labs
Hello! I’m Dinuka Wanniarachchi, a Technical Lead - DevOps & Platform Engineering with 6+ years of experience building and scaling cloud-native platforms on AWS and GCP. I specialize in Kubernetes, IAC, CI/CD and GitOps, and I enjoy designing reliable, automated infrastructure that helps teams ship faster with confidence.
I thrive in fast-paced, collaborative environments where I can take ownership, improve systems through automation, and mentor engineers. I’m passionate about secure, observable, and scalable platforms, and I focus on creating great developer experiences by removing friction and building tools that just work.
AWS
GCP
ArgoCD
Terraform
Helm
Linux
Bash Scripting
Python Scripting
Datadog
ELK
Grafana
Prometheus
Git
GitHub
Docker
Kubernetes
Harbor
Jenkins
Concourse CI
Nginx
Sept 2026 - Present
Lead a 5-member team owning the reliability, roadmap, and delivery of Sysco's internal developer platform. Drive high-availability, secure infrastructure architecture across CI/CD, Kubernetes, and multi-cloud while staying hands-on with Helm, secret-management automation, and cluster/OS upgrades, and mentor engineers to raise the team's platform capability.
May 2024 - Sept 2026
Supported and enhanced internal developer platforms by improving CI/CD performance, automating Kubernetes and OS upgrades, and implementing scalable, secure infrastructure solutions. Built Helm charts and automated secret management for efficient deployments, and authored operational documentation to support reliable day-to-day platform operations.
Nov 2022 - May 2024
Managed and optimized Kubernetes-based production environments across AWS and GCP for high availability, scalability, and cost efficiency. Implemented monitoring with Prometheus, Grafana, and Kibana, and applied Nginx rate limiting for traffic control. Enhanced CI/CD pipelines with security and quality checks using SonarQube and WhiteSource, resolved deployment issues, and automated vulnerability fixes and operational tasks with Bash.
Jan 2022 - Nov 2022
Led AWS infrastructure management with automation, security, and scalability best practices. Built and maintained CI/CD pipelines using ArgoCD, Jenkins, and GitLab to streamline deployments. Implemented monitoring with Prometheus, Grafana, and Site24x7 to enhance reliability. Automated routine tasks with Bash/Python, managed GitHub/GitLab workflows for efficient collaboration, and mentored team members to strengthen DevOps capabilities.
Feb 2021 - Jan 2022
Configured and maintained Prognosis tool for monitoring AV devices in the assigned project. Efficiently managed incoming cases within SLA targets.
July 2020 - Dec 2020
Installed, configured, and maintained operating systems and applications to ensure secure, stable environments. Managed multi-cloud infrastructure across AWS and GCP for optimal performance and cost efficiency. Ensured high availability and reliability through proactive monitoring, redundancy planning, and effective incident response.
2025 - Present
University of Moratuwa, Sri Lanka
2016 - 2020
Sri Lanka Institute of Information Technology (SLIIT)
CNCF [Cloud Native Computing Foundation]
Successfully Completed - View Certification
Open to conversations about DevOps & platform engineering.