Senior Infrastructure Engineer at Cosine.sh
Cosine.sh – Fast‑paced, venture‑backed Silicon Valley startup.
Join Cosine.sh as a Senior Infrastructure Engineer to own and evolve our core Kubernetes‑based platform, deployment pipelines, and observability. You’ll design the “paved road” for engineers, researchers, and customers, ensuring reliability and security for demanding enterprise deployments. This high‑ownership role directly shapes how we build and ship products.
Location: London, UK
Why this role is remarkable:
* Take high ownership, shaping how Cosine.sh builds and ships products alongside founding engineers and leadership.
* Work at a fast‑paced, venture‑backed Silicon Valley startup, contributing to a rapidly evolving platform.
* Design and run the “paved road” for engineers, researchers, and customers, impacting core infrastructure from Kubernetes to deployment.
What you will do:
* Own the design, operation, and evolution of our Kubernetes‑based platform, including cluster topology and autoscaling.
* Build and maintain robust CI/CD pipelines, implementing safe rollout strategies and fast rollback paths.
* Define and track SLOs, improve observability, and lead incident response to ensure system reliability.
The ideal candidate:
* 5+ years building and operating production infrastructure on a major cloud (AWS, GCP, or Azure).
* Significant hands‑on experience running Kubernetes in production, including cluster upgrades and multi‑environment setups.
* Deep experience with Infrastructure‑as‑Code tools like Pulumi, Terraform, or CDK.
How to apply:
Visit our website and click “Speak with Jack.” Log in with your LinkedIn profile to speak with Jack for a brief conversation. If the hiring manager would like to meet you, Jack will make the introduction.
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