Hi, I am Lucas Wang

Senior Systems Engineer at Viator

Apr 2025 - Nov 2025 | Adelaide, Australia

Autonomous engineer working on cross-domain projects to improve developer experience

• Visualized project-based metrics in Backstage to provide data insights for improving and measuring developer experience.
• Reduced first-response time for internal support by 50% by implementing an AI Slack bot to handle common issues using the internal knowledge base.
• Reclaimed 10% of team velocity by architecting and delivering a GitLab token automation workflow.
• Improved coverage for 40 services to use standard metrics and dashboards in Grafana via inhouse script and Terraform.

Senior DevOps Engineer / Site Reliability Engineer at Domain

Sep 2022 - Apr 2025 | Adelaide, Australia

Built fault-tolerant, self-healing platforms that are easy to use, learn, deploy, contribute to, and operate.

• Improved platform reliability and scalability by migrating from AWS ECS to a Kubernetes environment supporting 100+ microservices.
• Achieved a 40% SLO adoption rate in 3 months by designing and implementing SLO Helm charts for general applications.
• Enabled 20+ product teams to deploy independently by building a Kubernetes-based platform via Terraform and Atlantis.
• Shifted security, quality, and observability left by integrating Orca, CrowdStrike, SonarQube, and ELK into the platform pipelines.
• Migrated 15+ teams to GitOps workflows by upgrading CI/CD tooling across Jenkins, GitHub Actions, and Argo CD.

Site Reliability Engineer at Envato

May 2021 - Sep 2022 | Adelaide, Australia

Optimized, improved, and maintained hybrid Heroku/AWS application environments.

• Achieved painless upgrading and auto rollback in AWS ECS, EKS and other 3rd party tools via Terraform.
• Improved deployment reliability by 50% by containerizing CI/CD pipelines for the Ruby and Node.js application suites.
• Reduced observability costs by 45% by migrating from New Relic to Datadog and enforcing actionable alerts.
• Improved incident resolution time by 40% by integrating PagerDuty workflows with Datadog and enabling data-driven decision-making.
• Enhanced application troubleshooting by adding custom OpenTelemetry instrumentation to critical code paths for observability.

DevOps Engineer at illion

Oct 2020 - May 2021 | Adelaide, Australia

Focused on architecting and migrating the existing EC2 environment to a new AWS ECS environment.

• Improved scalability and security posture by architecting and migrating from EC2 to AWS ECS, successfully containerizing the entire ASP.NET environment.
• Reduced change lead time by 92% (from 2 hours to 10 minutes) by designing and implementing an automated CI/CD pipeline.
• Achieved SOC 2 Type 2 and ISO 27001 compliance by leading audit preparation and providing comprehensive evidence, culminating in successful audits.

DevOps Engineer at Avinet

May 2019 - Oct 2020 | Adelaide, Australia

Focused on modernizing infrastructure and processes. Established incident management and disaster recovery processes.

• Reduced mean time to recovery by 70% by establishing incident management processes and implementing disaster recovery procedures.
• Achieved audit compliance by migrating the entire AWS environment to infrastructure as code (IaC) using Terraform.
• Improved Windows Server/ASP.NET update efficiency by reducing the update window by 50% and human dependencies by 90% through comprehensive AWS automation.

Technical Support Engineer at TP IT Solutions Pty Ltd

Apr 2016 - May 2019 | Adelaide, Australia

Focused on client-facing technical support. Designed and delivered an automated standard operating environment for over 70 clients.

Linux Engineer at Sichuan S.Y.S. Software System Co., Ltd.

Nov 2013 - Feb 2016 | China

Served as the Linux subject-matter expert. Designed and delivered bare-metal Linux server management with Ansible, and managed over 1,200 VMs on a 250-host VMware vSphere environment.

IT Engineer at Talend

Apr 2012 - Nov 2013 | China

Focused on IT support and server management. Managed IT infrastructure and supported over 100 developers at the Talend branch office.