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2026 Tool Matrix

This is not a buzzword list. Use it to recognize interview prompts and place tools in the architecture.

AreaTools/ConceptsWhat to say
Cluster APICluster API, managed K8s APIsDeclarative lifecycle for clusters where applicable.
Node autoscalingKarpenter, Cluster AutoscalerMatch unschedulable pods to capacity; include warmup and GPU readiness.
Workload queueingKueue, Volcano, YuniKornQuota, fair sharing, gang/batch workloads, preemption.
TrafficGateway API, Envoy Gateway, Istio, LinkerdRoute ownership, traffic splitting, mTLS, retries, p99 impact.
NetworkingCilium, Calico, kube-proxy/IPVS/eBPFPolicy, datapath, observability, MTU, DNS, service routing.
StorageCSI, object stores, artifact cacheModel artifacts must be immutable, cached, and checksummed.
GPUNVIDIA GPU Operator, device plugin, DCGM, MIGManage full GPU stack, telemetry, and partitioning.
AreaTools/ConceptsWhat to say
IaCTerraform, OpenTofu, Pulumi, CrossplaneDeclarative provisioning, state, drift, policy, promotion.
ConfigHelm, Kustomize, Jsonnet, CUERendered diff and validation matter more than template preference.
GitOpsArgo CD, FluxDesired state in Git, controller reconciliation, drift management.
Progressive deliveryArgo Rollouts, FlaggerCanary, blue/green, metric gates, traffic shifting.
CIGitHub Actions, GitLab CI, Buildkite, JenkinsBuild/test/sign/render/promote.
Supply chainSigstore, cosign, SBOM, SLSA, Trivy/GrypeTrusted artifacts and provenance.
AreaTools/ConceptsWhat to say
MetricsPrometheus, Mimir, Thanos, VictoriaMetricsCardinality, retention, SLOs, alert quality.
DashboardsGrafanaDashboards should support decisions.
LogsLoki, OpenSearch, ElasticCorrelate with deploys and incidents.
TracesOpenTelemetry, Jaeger, TempoUseful for request path and dependency latency.
GPU telemetryDCGM exporterGPU health, utilization, memory, ECC, Xid.
IncidentPagerDuty/Opsgenie, incident docsOn-call hygiene, escalation, postmortems.
LanguageStrong use
PythonOperational tools, APIs, data processing, fast automation.
GoKubernetes controllers, CLIs, high-concurrency platform services.
BashGlue and debugging, but keep production automation bounded.
YAML/HCLKubernetes/IaC declarations; validate aggressively.

Be ready for hybrid:

  • NVIDIA likely spans cloud and data center patterns.
  • Cloud gives managed control planes and autoscaling APIs.
  • On-prem/HPC gives hardware locality, storage/network topology, and stronger fleet lifecycle concerns.
  • The transferable skill is reasoning across scheduler, node, GPU, network, storage, and deployment contracts.
JD skill familyPrep pages
KubernetesKubernetes Deep Dive, Kubernetes and GPUs, Scheduling and Autoscaling.
DevOps/CI/CDGitOps and Delivery, Automation and IaC.
Infrastructure automationAutomation and IaC, Python and Reliability Code, Break-Fix Automation.
Linux systemsLinux, Networking, Storage.
NetworkingNetworking and Traffic, Linux, Networking, Storage.
ObservabilityObservability and Incidents, Modern Tool Matrix.
GPU/AI inferenceInference Operations, GPU Operator Runbook, GPU Inference Platform.
SecuritySecurity and Policy.
Senior leadershipStaff-Level Narratives, 30-60-90 Plan.