Kubernetes Engineer

Radiant Digital
Dallas, TX
Description::

In this role, you will design, implement, and optimise GPU-accelerated container platforms at scale, enabling high-performance workloads (AI/ML, HPC, LLM training) across hybrid or on-prem environments.
You will have deep expertise with both NVIDIA and Kubernetes ecosystems, including GPU scheduling, device plugins and custom operators.

Key responsibilities of the role include:

· Architecting and operating Kubernetes clusters optimised for GPU workloads, leveraging NVIDIA GPU Operator, Network Operator and DCGM

· Developing, deploying and maintaining custom Kubernetes operators and controllers to automate infrastructure services

· Integrating NVIDIA device plugins, Multi-Instance GPU (MIG) and GPU sharing features into the scheduling layer

· Optimising GPU utilisation and job placement through scheduler extensions, such as kube-scheduler plugins, Slurm and Volcano

· Collaborating with HPC, ML and DevOps teams to ensure multi-tenant, high-throughput cluster performance

· Driving observability and telemetry integrations using Prometheus, Grafana, DCGM Exporter and OpenTelemetry

· Implementing secure multi-user and multi-namespace GPU isolation, with RBAC and policy enforcement, such as OPA or Gatekeeper

· Maintaining CI/CD pipelines for Kubernetes infrastructure using GitOps, ArgoCD and FluxCD

· Contributing to infrastructure-as-code, using Terraform, Helm, and Kustomize

· Participating in performance tuning, incident response and production readiness reviews

Posted 2025-08-19

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