Senior Platform Engineer (Core Infrastructure)

• Engineering at Lambda is responsible for building and scaling our cloud offering. Our scope includes the Lambda website, cloud APIs and systems as well as internal tooling for system deployment, management and maintenance
• Architect, deploy, and operate Kubernetes clusters across AWS and Lambda’s bare-metal datacenters
• Build and maintain automation for cluster lifecycle management — provisioning, upgrades, and scaling
• Own the reliability, performance, and security of Kubernetes workloads in production
• Implement observability, logging, and alerting for clusters and critical workloads
• Partner with product teams to design scalable, cloud-native services and CI/CD pipelines
• Set the standards for resource management, networking, and RBAC across the platform
• Lead incident response, root-cause analysis, and post-mortems for platform issues
• Mentor engineers and raise the bar for platform engineering across the org

Benefits

• Health, dental vision
• 401k match
• 5 sick days and 12 paid holidays
• Flexible PTO
• Paid parental, medical, and caregiver leave

Hands-on with observability stacks (Prometheus, Grafana, OpenTelemetry)Solid grounding in networking, service meshes, and container runtimesProficient with infrastructure-as-code (Terraform, Pulumi, or equivalent)Deep knowledge of Kubernetes internals and day-2 operations (upgrades, scaling, troubleshooting)5+ years in Platform, Infrastructure, or SRE roles, including running Kubernetes in production at scaleStrong with Helm, Kustomize, or similar, and GitOps-based deliveryPractical security experience: network policies, secrets management, and image scanningStrong coding skills in Go or Python for automation and toolingKnowledge of GPU scheduling, HPC workloads, or ML/AI infrastructureExperience with multi-cluster, multi-cloud, or hybrid environmentsExperience with workflow orchestration / durable execution frameworks (Temporal, Cadence, or Argo Workflows)Exposure to cost optimization and capacity planning for large clustersContributions to CNCF or Kubernetes open-source projectsCKA/CKS certification

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