Daan van Gorkum

Senior Site Reliability Engineer · Singapore

I am a Senior Site Reliability Engineer based in Singapore with a focus on Linux platforms, bare-metal automation, and global networking (BGP, DNS, CDNs).

Over the past decade at Cloudflare, Adyen, and Thales Cybersecurity, I have engineered systems spanning the entire stack—from UEFI provisioning and bare-metal lifecycle management to distributed storage with CEPH, traffic engineering, and container orchestration with Kubernetes.

Outside of work, I operate my own autonomous system (AS209792), build open-source utilities in Python and Go, and volunteer with Repair Kopitiam diagnosing and fixing consumer electronics.

Experience

Senior Site Reliability Engineer · Imperva / Thales Cybersecurity
Jun 2024 – Present

Developing an upcoming cybersecurity product. Implemented network anomaly detection using VictoriaMetrics Anomaly. Automated Blue/Green deployments for imperva.com using Argo Rollouts, latency monitoring, and infrastructure reliability.

Traffic Management Lead / Platform Reliability Engineer · Adyen
Apr 2023 – Jul 2024

Managed external DNS architecture, CDNs, edge load balancing, and Linux automation at scale.

System Engineer / Edge Systems Reliability Engineer · Cloudflare
Aug 2018 – Mar 2023

Bare-metal server provisioning, UEFI automation, hardware validation standards, data center tooling in Django, and edge network operations.

Linux Systems Engineer · Highwinds / Omicron Media
Feb 2014 – Sep 2017

Operated high-volume NNTP storage platforms with petabytes of storage and terabits of network traffic.

System Analyst · Panq
May 2015 – Mar 2016

Engineered scalable data platform infrastructure for rapid startup growth.

Recent Writing

All posts →
· 4 min read

Easy and free Dynamic DNS

A lightweight, stateless Dynamic DNS service built with FastAPI.

Projects

Free stateless Dynamic DNS service. No account required, privacy-first, simple API.

Go DNS Anycast

Free and fast image hosting platform with direct uploads, operating continuously since 2007.

PHP Storage Linux

Cloud-native Go tracking service monitoring reverse vending machine availability, status, and bin capacity across Singapore's Beverage Container Return Scheme.

Go ClickHouse Kubernetes Prometheus

Tracking platform for the Kovan Wellspring BTO development with real-time visual updates and timelapses.

Python FastAPI Timelapse

Repair tracking tool for Repair Kopitiam, a volunteering organization dedicated to reducing e-waste.

Python Django PostgreSQL

Netbox Plugin exporting custom Prometheus metrics from NetBox data using Python.

Python NetBox Prometheus

Go CLI to backup HashiCorp Vault raft snapshots directly to AWS S3 or compatible endpoints.

Go Vault AWS S3

Plugin to limit user/group access to change specific object field values in NetBox.

Python NetBox Django

Skills & Technologies

Interests & Homelab

Homelab & Network: Operating AS209792, WireGuard meshes, BGP peering, and Home Assistant.
Alternative Architectures: Experimenting with ARM64 and RISC-V single-board computers.
Electronics Repair: Diagnosing and refurbishing faulty hardware with Repair Kopitiam to keep electronics out of landfills.