Senior Site Reliability Engineer – Managed Kubernetes

Lambda

full-time

Posted on: 9/16/2025

Origin: • 🇺🇸 United States • California

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💰 $267,000 - $401,000 per year

Senior

CloudGoGrafanaKubernetesLinuxPrometheusPython

About the role

Operate and maintain bare-metal Kubernetes clusters, scaling up to thousands of nodes
Handle cluster degradation, recovery, resizing, and incident response using fleet management tools
Participate in a well-managed on-call rotation for critical incidents
Assist customers with Kubernetes questions, workload integration, storage, and authentication
Work closely with HPC Ops and Datacenter Ops teams for low-level or cross-functional issues
Use Python and Golang to create tooling and automate the validation of platform quality
Design, build, and maintain scalable control plane services, operators, and custom controllers for Kubernetes
Develop automation for cluster lifecycle management: provisioning, upgrades, patching, and deletion
Define and implement SLOs and SLIs for Kubernetes services, workloads, and platform reliability

6+ years of experience in a SRE, operations engineer, or similar role, with a deep knowledge of running Linux clusters and systems
Strong programming skills in Go and Python; experience with GitOps (e.g., ArgoCD), Helm, and Kubernetes operators
Proven experience operating Kubernetes clusters in production environments (on-prem, EKS, GKE, or similar)
Can work either independently with limited direction or as part of a team
Can work with customers during incidents either via tickets, live messaging, or as part of a larger call
Familiarity with observability tools like Prometheus, Grafana, FluentBit, and CI/CD pipelines
Proven experience provisioning Kubernetes using tools such as kubeadm, Cluster API, or similar
Deep Kubernetes expertise: CRDs, CSI, CNI, Kubernetes Operator Coding experience (nice-to-have)
Exposure to HPC clusters, AI/ML workloads, or large-scale GPU clusters (nice-to-have)
Hybrid or multi-cloud Kubernetes environment experience (nice-to-have)
Contributions to CNCF projects or Kubernetes SIGs (nice-to-have)