Requisition ID -Posted09/28/2026
Job Title: Senior Engineer – Kubernetes Administration, EDGE AI CoE – T&I Cluster Job Purpose Design, build, secure, and operate on‑premises Kubernetes platforms hosting AI/ML workloads across the group. Own end‑to‑end cluster lifecycle (provisioning through decommission), GPU enablement, performance, reliability, and cost efficiency to support training, inference, data pipelines, and MLOps at scale, assuming on-prem deployments without managed cloud services. Key Responsibilities Cluster Architecture & Build (On‑Prem) Design and provision production‑grade clusters on bare‑metal and/or virtualized environments (e.g., kubeadm‑based; OpenShift, Rancher or upstream distributions), including HA control planes, etcd health, and node pools. Implement secure bootstrapping in connected and air‑gapped environments (private registries, image mirrors, OS hardening, CIS benchmarks). Configure networking: CNI (e.g., Cilium/Calico), ingress (NGINX/HAProxy), internal/external load‑balancing (MetalLB/BGP/ECMP), DNS/CoreDNS, IPv4/IPv6, and, where needed, Multus for secondary interfaces. Lifecycle Operations Plan and execute upgrades, patching, and capacity management; manage taints/affinities, quotas, and multi‑tenancy isolation. Implement autoscaling/right‑sizing (HPA/VPA; cluster autoscaling via on‑prem integrations) and node lifecycle automation. Maintain DR strategy, backups, and restores (e.g., Velero/restic), with documented runbooks and regular tests. AI/ML Workload Enablement Enable and manage specific workloads within each Kubernetes deployment that needs access to GPUs. Operate model serving (e.g., KServe/Seldon), batch/streaming pipelines, and ML orchestration (Kubeflow/Argo Workflows); optimize for throughput/latency and GPU utilization. Storage & Data Services Manage CSI drivers and dynamic provisioning; integrate with Ceph/Longhorn/Rook/NetApp/NFS as applicable; support stateful workloads with proper SLAs. Security & Compliance Enforce RBAC, Pod Security, NetworkPolicies, image signing/scanning (e.g., cosign/Trivy), admission controls/policy (OPA Gatekeeper/Kyverno), secrets management (Vault/Sealed Secrets/KMS). Integrate enterprise identity (LDAP/AD/Keycloak OIDC), certificate management /PKI, and audit logging; maintain evidence for audits. Platform Engineering & GitOps Standardize delivery with Helm/Kustomize; implement GitOps (Argo CD/Flux) and IaC (Terraform/Ansible) for repeatable environments. Operate on‑prem CI/CD runners (e.g., GitLab Runners/K8s executors) and artifact registries (Harbor) including air‑gapped workflows. Observability & SRE Implement metrics, logs, tracing (Prometheus/Grafana, EFK/ELK/Loki, OpenTelemetry); define SLIs/SLOs and capacity/health dashboards. Lead incident response, root cause analysis, and continuous improvement; participate in an on‑call rotation. Education & Experience Bachelor’s in Computer Science, Engineering, or related field (or equivalent experience). 7–10 years in platform/SRE/DevOps/systems roles, including 4+ years administering production Kubernetes. Proven experience designing, building, and operating on‑prem Kubernetes clusters (kubeadm/upstream; Rancher, OpenShift acceptable) in data‑center environments—no reliance on managed services. Hands‑on with GPUs for AI workloads, air‑gapped operations, private registries, and enterprise identity/security integrations. Certifications: CKA required (or obtained within 6 months); CKS/CKAD preferred; relevant Linux/networking certifications a plus. Key Skills Kubernetes core: control plane ops, etcd care, scheduling, admission controllers, multi‑tenancy (namespaces, quotas), PDBs, affinities, taints/tolerations. Linux/Containers: containerd/CRI‑O, systemd, kernel/GPU drivers, filesystems, OS hardening. Networking: Cilium/Calico, NetworkPolicies, ingress/egress; optional service mesh (Istio/Linkerd). Storage: CSI, PV/PVC, snapshots, performance tuning, backup/restore, DR patterns; Ceph/Rook/NetApp/NFS familiarity.
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