Experience
Senior Cold Storage Engineer
Coinbase
- Own reliability and security operations for institutional-grade cold storage and staking infrastructure under Coinbase Prime/Custody
- Automated cold-to-hot wallet restoration workflows using internal tooling and Datadog, reducing operational error risk
- Provide white-glove support to institutional clients troubleshooting staking, cryptographic, and transaction issues
Site Reliability Engineer
Valigator
- Built Solana staking infrastructure with Ansible automation for validator fleet provisioning and operations
- Developed a custom Solana Node Exporter (FastAPI + Prometheus) exposing 26+ validator metrics with Grafana dashboards
Senior Infrastructure Support Engineer
Thoughtworks
- Led enterprise cloud infrastructure build for SNTC.org.sg on AWS with Terraform IaC and CI/CD pipelines
- Managed production deployments, monitoring, and security hardening for client-facing applications
Senior Blockchain Security DevOps Engineer
Crypto.com
- Built secure, scalable infrastructure to monitor and defend blockchain systems across multiple protocols
- Owned validator/RPC node operations across TON, Conflux, Oasis, Fetch.ai, NEO3, Neutron, ZetaChain, and Vara
- Standardized Cosmos-family deployments by consolidating multiple Ansible playbooks into one modular template
DevOps Engineer
Tencent
- Primary point-of-contact for PUBG Mobile production infrastructure supporting 6,000+ VMs and 4M–10M daily concurrent users
- Reduced alert noise from 600+ to 140 actionable alerts by reclassifying monitoring rules
- Built a FastAPI-based alert automation system; adopted as best-practice reference by Tencent Overseas Games
DevOps Engineer
UP DevLabs
- Managed full lifecycle environments across AWS, Aliyun, and Tencent Cloud
- Implemented ELK Stack for developer self-service log search, reducing ops support dependency
System Analyst
Kenrich Partners
- Responded to a phishing incident on Day 1, coordinating with legal counsel and performing root cause analysis
- Led MAS TRM compliance initiatives and migrated on-prem infrastructure to Azure Cloud
SNOC Engineer
GovTech
- Monitored and maintained uptime for critical government systems using AWS CloudWatch, Grafana, Splunk, and SolarWinds
- Supported real-time incident triage, root cause analysis, and cyber threat detection
NOC Engineer
Netpluz Asia
- Provisioned and troubleshot circuits (Baccess, GPON, MetroE) and configured Cisco/Sophos devices
- Built Python automation tools: service report generator (reduced manual reporting by 80%) and Cisco router config generator
Projects
solana-ansible-kit
Production-grade Ansible automation provisioning Solana validator fleets from bare Linux to production with security hardening, performance tuning, and zero-downtime upgrades.
Ansible · Solana · Linux · Security
SourceAutomated CI/CD pipeline publishing reproducible Solana validator binaries with hermetic Docker builds and checksum verification.
Docker · CI/CD · Solana · GitHub Actions
Prometheus exporter (FastAPI) for Solana validator observability, exposing 26+ metrics with a 21-panel Grafana dashboard.
FastAPI · Prometheus · Grafana · Python
This site — deployed on AWS S3 with Terraform IaC and Jenkins CI/CD. Source · Write-up
Skills
Blockchain Ops — Solana, TON, Conflux, Oasis, Fetch.ai, NEO3, Neutron, ZetaChain, Vara, Celestia
Cloud — AWS, GCP, Azure, Tencent Cloud
Infrastructure — Terraform, Ansible, Docker, Kubernetes, Helm
CI/CD — Jenkins, GitHub Actions
Monitoring — Grafana, Prometheus, Datadog, ELK, Splunk
Languages — Python, Bash, FastAPI, Flask, Grafana k6, Selenium
Certifications
Amazon Web Services
Solutions Architect – Associate Cloud PractitionerKubernetes & IaC
CKA: Certified Kubernetes Administrator HashiCorp Terraform AssociateMicrosoft
Azure FundamentalsTencent Cloud
Solutions Architect Associate SysOps Associate Cloud PractitionerSecurity
Sophos Certified Engineer