2020 NOC Engineer Netpluz
2020 SNOC Engineer GovTech
2021 System Analyst Kenrich
2021 DevOps UP DevLabs
2022 DevOps Tencent
2023 Sr DevOps Crypto.com
2024 Sr Infra Thoughtworks
2025 SRE Valigator
2025 Sr Engineer Coinbase
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About

Penghian Ang
Role Sr Cold Storage Engineer
Company Coinbase
Location Singapore
Focus Blockchain & DevOps
Resume GitHub

Senior Cold Storage Engineer at Coinbase owning reliability and security operations for institutional-grade cold storage and staking infrastructure. 7+ years building secure, scalable systems across DevOps, blockchain, and cloud platforms.

Previously built infrastructure at Crypto.com, managed production systems supporting 10M+ daily users at Tencent (PUBG Mobile), and monitored critical government systems at GovTech Singapore.

7+ Years Experience
8 Certifications
4 Open Source

Blockchain Ops

Solana TON Conflux Oasis Fetch.ai NEO3 Neutron ZetaChain Vara Celestia

Cloud & Infrastructure

AWS GCP Azure Terraform Ansible Docker Kubernetes Helm

CI/CD & Monitoring

Jenkins GitHub Actions Grafana Prometheus Datadog ELK Splunk

Languages & Tools

Python Bash FastAPI Flask Grafana k6 Selenium

Experience

Senior Cold Storage Engineer

@ Coinbase
Jan 2025 — Present
  • 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
Jun 2025 — Oct 2025
  • 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
Jun 2024 — Sep 2025
  • 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
Dec 2023 — Dec 2024
  • 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
May 2022 — Dec 2023
  • 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
Oct 2021 — May 2022
  • 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
Jul 2021 — Oct 2021
  • 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
Nov 2020 — Jul 2021
  • 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
Feb 2020 — Nov 2020
  • 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
Source

solana-repro-builds

Automated CI/CD pipeline publishing reproducible Solana validator binaries with hermetic Docker builds, automated release detection, and checksum verification.

Docker CI/CD Solana GitHub Actions
Source

solana-exporter

Production-grade Prometheus exporter (FastAPI) for Solana validator observability, exposing 26+ metrics with a 21-panel Grafana dashboard.

FastAPI Prometheus Grafana Python
Source

Resume Website

This site — DevOps resume website deployed on AWS S3 with Terraform IaC, Jenkins CI/CD pipeline, and three infrastructure variations (S3, EC2, EKS).

AWS Terraform Jenkins K8s
Source Write-up

Certifications

Amazon Web Services

Solutions Architect – Associate Cloud Practitioner

Kubernetes & IaC

CKA: Certified Kubernetes Administrator HashiCorp Terraform Associate

Microsoft

Azure Fundamentals

Tencent Cloud

Solutions Architect Associate SysOps Associate Cloud Practitioner

Security

Sophos Certified Engineer

Contact

penghian@gmail.com +65 9739 3952 linkedin.com/in/angpenghian