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Senior Site Reliability Engineer - Managed Kubernetes

LambdaSan Francisco Office (Fremont St)Data Center Business
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Salary
$240K - $356K USD
Job type
Full-time
Work mode
Remote
Posted
14 Aug 2026
Status
Open · checked 7d ago

About this role

Lambda is seeking a Senior Site Reliability Engineer to operate and scale managed Kubernetes infrastructure supporting AI workloads. This full-time role is based out of the San Francisco office, requiring presence four days a week with a designated remote day on Tuesday, and is ideal for professionals with extensive systems background.

Role Overview

The Senior Site Reliability Engineer takes charge of managing bare-metal Kubernetes clusters that scale to thousands of nodes. This position suits experienced infrastructure specialists who enjoy building control plane services, automating cluster lifecycles, and collaborating with cross-functional technical teams.

Key Responsibilities

Run and maintain bare-metal Kubernetes environments containing thousands of nodes.
Manage incident responses, cluster degradation, resizing, and recovery utilizing fleet management utilities.
Take part in a structured on-call rotation to address critical production incidents.
Provide direct assistance to clients regarding workload integration, storage, authentication, and platform inquiries.
Coordinate alongside HPC Operations and Datacenter Operations groups to resolve low-level and cross-functional technical challenges.
Write custom controllers, operators, and scalable control plane services for Kubernetes using Golang and Python.
Automate the validation of platform quality and create lifecycle management workflows for provisioning, upgrades, and patching.
Set and monitor Service Level Indicators and Service Level Objectives for platform reliability and workloads.

Requirements

Six or more years of professional background working as an operations engineer, SRE, or in a related capacity with deep Linux cluster understanding.
Proficiency writing software in Python and Go, alongside familiarity with Helm, ArgoCD and GitOps, and Kubernetes operators.
Demonstrated production experience running Kubernetes clusters across on-premises or cloud environments like EKS and GKE.
Capability to operate autonomously with minimal supervision or collaborate effectively within a group.
Ability to assist users during critical incidents through tickets, live chat, or group calls.
Working knowledge of continuous integration pipelines and monitoring applications such as Grafana, Prometheus, and FluentBit.
Prior background setting up Kubernetes infrastructure via tools like Cluster API or kubeadm.

Nice to Have

Advanced knowledge of Kubernetes internals including CNI, CSI, custom resource definitions, and operator development.
Background interacting with large-scale GPU architectures, high-performance computing clusters, or machine learning pipelines.
Experience managing hybrid or multi-cloud Kubernetes deployments.
Previous contributions to CNCF initiatives or Kubernetes Special Interest Groups.

Skills and Tools

Python
Golang
Kubernetes
Linux
GitOps and ArgoCD
Helm
Prometheus and Grafana
Fleet Management Tools

Salary and Benefits

Annual salary range between $240,000 and $356,000 USD.
Competitive cash and equity compensation packages.
Medical, dental, and vision insurance plans covering employees and dependents.
Commuter and wellness stipends for eligible positions.
401(k) retirement plan featuring a 2% employer match for US staff members.
Flexible paid time off policy.

About the Company

Established in 2012 and employing over 500 personnel, Lambda operates as an AI cloud infrastructure provider servicing hyperscalers, enterprises, and researchers. Backed by notable investors and technological partners, the organization publishes research at prominent machine learning and graphics conferences.

How to Apply

Interested candidates should visit the official Lambda careers website to submit an application for this opportunity.

Skills and tech stack

PythonKubernetesGolang

Questions candidates ask

What is the salary range for the Senior Site Reliability Engineer position?

The annual salary falls between $240,000 and $356,000 USD, depending on market data and qualifications.

Where is this job located?

The role is based in the San Francisco office on Fremont Street, with a requirement to work on-site four days a week and a designated remote day on Tuesdays.

How much experience is required to apply?

Applicants must have six or more years of background in an SRE, operations engineer, or similar role.

What programming languages are required?

Strong programming skills in both Golang and Python are required for this position.

What benefits are provided with this role?

Benefits include cash and equity compensation, medical, dental, and vision coverage, wellness and commuter stipends, a 401(k) plan with a 2% company match, and flexible paid time off.

Ready to apply?

The application is on the official Lambda careers page.

Apply on company site