08.2022 - PresentXenditSingapore
Head of Infrastructure and Science
Spearheaded comprehensive overhaul of infrastructure and engineering culture. Orchestrated 7-figure cost savings. Managing 7000+ services across dozens of clusters and thousands of nodes. Pure IaaC state with zero-downtime EKS lifecycle management.
15 direct reportsSREDataSecurity
Key wins
99.999% uptime
Pure IaaC self-service
7-figures cost efficiency
Technologies
EKSArgoCDGitOpsTerraformCloudflareSplit DNSMulti-CDN
Responsibilities & achievements
- 01Spearheaded a comprehensive overhaul of infrastructure and engineering culture, delivering unprecedented efficiency and innovation:
- 02Managing 7000+ services deployed across dozens of Kubernetes clusters and thousands of nodes
- 03Pure Infrastructure as Code (IaaC) state — every resource codified, versioned, and automated
- 04Orchestrated nearly 7-figure cost savings through strategic infrastructure optimization
- 05Completely reimagined and rebuilt the Kubernetes fleet, eliminating technical debt and legacy constraints
- 06Implemented a true Active/Active Multi-Cluster Kubernetes Fleet, setting new standards for resilience and scalability
- 07Achieved zero-downtime, zero-error-rate EKS lifecycle management for hyper-distributed workloads
- 08Engineered a custom ArgoCD Macro-Scale Framework with infinite-scale design
- 09Designed fault-tolerant transparent DR via Split DNS Horizon on multi-region & multi-AZ
- 10Executed flawless migration from Imperva to Cloudflare with Multi-CDN zero-downtime topology
- 11Evolved infrastructure team from toil-focused squad into high-performing SRE engineering unit
- 12Dramatically improved SLAs and reduced incident frequency within a single quarter
- 13Elevated RCA and Post-Mortems to mission-critical status