Shirasaka Ren白坂れん
DevOps · Security · Cloud · Servers
I keep the lights on: clusters, pipelines, and the boring-on-purpose infrastructure underneath. I never let anything down, especially servers
so, who is keeping the lights on
The best compliment my work ever gets is silence — no incidents, no surprises, no 3AM pages. HR will always complain when I do nothing cus no accident, and will also complain when there’s an accident.
Platform · DevSecOps · Infrastructure · Cloud · SRE · Security
me fighting downtime
by the numbers
The CV, compressed into six stats.
Years on call
Career started October 2022, and I haven't missed a single on-call rotation since.
0+
Companies
Startups, research labs, data centres — remote, on-site, hybrid.
0
Roles held
Platform, DevOps, SRE, Infrastructure, Architecture. Different titles, same mission.
0
Cloud providers
AWS, GCP, Azure, Cloudflare, Huawei, Alibaba, Oracle, IBM, DigitalOcean, OpenStack.
0
Tools mastered
From kernel to browser — everything on the /stack page has seen production.
0
Projects shipped
Products people use, infrastructure that stays up. Every one has a story and a diagram.
0
Things I can help
Six clouds, no snowflakes
Cloud foundations
Landing zones, identity, network topology and guardrails.
GitOps all the way down
Platform & delivery
Kubernetes people actually enjoy shipping to.
I attack my own infra first
Security engineering
Signed supply chains, runtime detection that pages a human and a playbook at once.
Alerts that arrive with the answer
Reliability & observability
Native histograms, honest load tests, correlated traces and logs.
selected builds
Three I am proudest of.
productMGM Atlas
Four SaaS tools, one self-hosted app
The lab's project HQ: portfolio, chat, PMO and voice in one place, so nobody pays for Jira and Slack anymore.
infrastructureA Thousand Rallies
A game platform on three continents
Multi-region delivery for a Unity title — on-prem Kubernetes first, AWS EKS as the fallback, three exit nodes across ID, DE and US.
- under sealinfrastructure
Kaizin Platform
GKE, but it defends itself
A GKE platform wired end to end: observability, runtime security with automatic response, FinOps governance and an AI on-call that phones a human.
✿ and off the clock
Someone is behind this.
She is a picky eater with a cat, an archery habit and extremely strong feelings about which Marvel character is correct.
Okonomiyaki
the dish
Sora
the cat
Scuba diving
the escape