Sean Iap

I’m a DevOps Engineer with 4+ years of experience operating distributed systems on AWS and Kubernetes, with a strong focus on reliability engineering, incident response, and root-cause analysis. I’m motivated by improving availability, reducing operational cost, and strengthening observability in high-traffic enterprise environments.

At Amazon Web Services as a Cloud Support Engineer, I lead production troubleshooting and deep root-cause analysis for enterprise-scale AWS workloads across EC2, EKS, DNS, networking, and load balancing. I restore reliability using CloudWatch metrics, Grafana dashboards, VPC Flow Logs, and Python-based diagnostics, and I’ve presented findings at a site-wide engineering forum after resolving intermittent FIX protocol disconnections.

Previously at KKCompany, I operated production systems supporting 140k DAU / 900k MAU and participated in 24/7 on-call via PagerDuty. I delivered measurable impact: improved availability and reduced operational cost by 30%, executed zero-downtime CDN migration with 11 TB/day traffic, and rebuilt alarm architecture using CloudWatch composite alarms to reduce alert triggers by 30%.

I also build and document systems beyond day-to-day ops—migrating infrastructure from CloudFormation to Terraform, modernizing CI/CD pipelines, and supporting ISO 27001 initiatives through automation (GuardDuty/EventBridge) and monitoring for abnormal logins. I’m an AWS Certified Solutions Architect – Professional (SAP), and I write about high-traffic handling, autoscaling, monitoring, and troubleshooting, including an IT Ironman DevOps Top Honour award for community contributions.