Sr DevOps Engineer

Job Summary

You are joining to take that platform over: fully owned, fully described in code, and cheap to run at scale. In your first months you will own Proxmox and Ceph end to end, drive resource rightsizing, and lead the split of our development workloads into a separate cluster.

Responsibilities

• Own our Proxmox and Ceph platform end to end - capacity, upgrades, performance and incident response

• Run infrastructure across OVH, Hetzner and bare metal, alongside workloads in AWS and GCP

• Drive resource rightsizing: find where we overpay, size it correctly, and prove the saving in the bills

• Lead the separation of development workloads into a dedicated cluster, without downtime for production

• Keep everything as code - Terraform, Ansible, ArgoCD and GitLab CI, with no manual changes in production

• Own reliability: on-call, incident response, root cause analysis and the runbooks that follow

• Support the data layer our product runs on - PostgreSQL, ClickHouse, Aerospike

  About you

• 10+ years working with infrastructure and physical hardware, not only managed cloud

• 5+ years running Kubernetes and cloud platforms in production

• Hands-on with bare metal and providers like OVH and Hetzner, plus AWS and/or GCP

• Strong with Terraform, Ansible, ArgoCD and GitLab CI - you describe infrastructure in code by default

• Real FinOps experience: you can name what infrastructure cost before and after you touched it

• You take problems all the way to the root cause and to the fix, including outside your formal scope

• You say things directly - risks and bad news arrive early, not after the incident

  Nice to have

• Production experience with Proxmox and Ceph specifically

• PostgreSQL, ClickHouse or Aerospike at scale

• Experience splitting shared environments into isolated clusters

• Building observability and on-call practice from scratch

• High-load B2B SaaS background

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