DevOps Engineer Kafka & PostgreSQL

**About Mirantis** Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment—on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

**Job Description** Mirantis, an IREN company, is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open-source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment — on-premises, in the cloud, at the edge, or in sovereign data centers.

As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.

**Job Description** We are looking for an experienced DevOps Engineer to own the deployment, release, and reliability backbone of the k0rdent-ai platform — our multi-tenant control plane for enterprise GPU infrastructure. The platform’s core services — identity (Keycloak), API gateway (Kong), workflow engine (Temporal), a suite of Go APIs, and the PostgreSQL databases behind them — run on every control-plane and regional cluster we operate, and must be upgraded safely, observed continuously, and recovered quickly.

You will run this platform across both cloud Kubernetes (AWS) and bare-metal clusters in our data centers, delivering it through Helm charts and k0rdent ServiceTemplates and MultiClusterServices. Beyond day-to-day operations, a substantial focus of this role is engineering the foundations that stateful services depend on: snapshot-capable storage (CSI drivers, StorageClasses, volume snapshots), CloudNativePG backups and point-in-time recovery, and the CI/CD and bare-metal end-to-end pipelines that validate every change before it reaches customers.

Because this platform holds the record of every tenant, user, and cluster action, this role also owns its operational readiness — runbooks, restore drills, and the upgrade and rollback paths that keep a failed release from turning into data loss.

**Main Responsibilities**

• Multi-Environment Kubernetes Operations: Deploy, upgrade, and operate k0s / k0rdent-managed Kubernetes clusters on AWS and on bare-metal hardware, across a global control plane and multiple regions — cluster lifecycle, node maintenance, capacity planning, and version upgrades.
• Helm & Service Delivery: Author and maintain Helm charts and k0rdent ServiceTemplates and MultiClusterServices for core services (Keycloak, Kong, Temporal, CloudNativePG, and in-house Go APIs), including dependency ordering, health gating, versioning, and zero-downtime upgrade paths.
• Storage & Snapshot Engineering: Design and run Kubernetes storage for each environment — AWS EBS CSI in the cloud; OpenEBS LocalPV, Longhorn, or Ceph on bare metal — including StorageClasses, reclaim policies, the CSI snapshot controller, and VolumeSnapshotClasses, so stateful services can be snapshotted and restored reliably.
• Database Backup & Recovery: Operate CloudNativePG backup and recovery end to end — scheduled volume snapshots, continuous WAL archiving to object storage, point-in-time recovery, and replica clusters — with defined RPO/RTO targets and regular restore drills.
• CI/CD & End-to-End Testing: Build and maintain GitHub Actions pipelines for linting, chart unit tests, artifact packaging and publishing to OCI registries, and on-demand bar…