Chainlink Labs

Senior Site Reliability Engineer, DevEx

Chainlink Labs$130K — $160K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6-9+ years in SRE / Platform / Infrastructure Engineering
  • Proven experience scaling Kubernetes in high-throughput production environments
  • Deep Kubernetes expertise including internals and cluster-scale failure diagnosis
  • Experience building platform infrastructure and Kubernetes Operators
  • Strong distributed systems and production reliability experience
  • Terraform/GitOps ownership and automation design
  • Hands-on experience with high-scale CI/CD platforms: GitHub Actions, GitHub Apps, and build systems
  • AWS/cloud infrastructure production experience
  • Proficiency in Go or another systems programming language

Responsibilities

  • Design and build infrastructure for CI/CD platform and developer environments
  • Build and operate Kubernetes-based control plane for CI/CD
  • Develop core infrastructure components like Kubernetes Operators
  • Ensure systems shape reliability and scalability of developer experience
  • Implement GitOps-driven deployment of platform services

Benefits

  • Global and remote work opportunities
  • Work closely with cutting-edge technology in a fast-paced environment
  • Impactful role defining engineering infrastructure
  • Autonomy in building systems that enhance team productivity
  • Collaborative team culture emphasizing innovation
Full Job Description
About The Role
The Engineering Team

As Chainlink Labs' engineering org scales, the DevEx team owns the infrastructure primitives that every product team builds, tests, and ships on top of. This role builds the Kubernetes-based control-plane components and automation that power our CI/CD platform, developer environments, and build systems - not the manual operation of them. By codifying platform logic into reusable Kubernetes Operators, GitOps workflows, and automation, you will ensure engineering velocity scales safely, predictably, and efficiently as the org grows. The impact is foundational: the infrastructure you build is not constrained by any single product's roadmap, operational toil is reduced org-wide, and it directly determines how fast every other engineering team at Chainlink Labs can ship.
Your Impact
  • You will design and build the infrastructure primitives that define how our CI/CD platform, build systems, and developer environments scale across the entire engineering org.
  • You will help build and operate the Kubernetes-based control plane behind our CI/CD platform, including:
    • GitHub Actions self-hosted runner infrastructure (autoscaling, isolation, cost/perf tuning)
    • GitHub Apps and GitHub-as-code (permissions, webhooks, org-wide automation)
    • Secure network access for CI/CD and remote dev environments (Tailscale)
    • GitOps-driven deployment of platform services (Flux)
    • Ephemeral/on-demand developer environments and build systems
  • You will develop the core infrastructure components - including Kubernetes Operators and scaling automation - that product teams adopt directly, reducing bespoke per-team CI/CD and environment tooling.
  • This is not an operational support role. You will be building the systems that define how engineering teams build, test, and deploy, shaping the reliability and scalability of the developer experience org-wide.
Requirements
  • 6-9+ years in SRE / Platform / Infrastructure Engineering
  • Proven experience scaling Kubernetes in high-throughput production environments
  • Deep Kubernetes expertise beyond operating clusters - internals, scheduler behavior, custom resources, and cluster-scale failure diagnosis
  • Experience building platform infrastructure, control planes, or Kubernetes Operators (not just consuming them)
  • Strong distributed systems and production reliability experience
  • Terraform/GitOps ownership - designing and owning automation, not just running playbooks
  • GitOps workflows (Flux / ArgoCD) experience
  • Hands-on experience with CI/CD platforms at scale: GitHub Actions (self-hosted runners, workflows-as-code), GitHub Apps, and build systems
  • AWS/cloud infrastructure production experience
  • Proficiency in Go (strongly preferred) or another systems language
  • Track record of building infrastructure primitives rather than primarily performing support/operations - automation-first mindset
Preferred Requirements
  • Experience with Tailscale or similar zero-trust/overlay networking for CI/CD or remote dev environments
  • Experience designing SLO strategies and error-budget usage
  • Experience improving diagnosability and observability frameworks (OpenTelemetry or similar)
  • Experience building internal developer platforms (IDP) or ephemeral/on-demand dev environments
  • Experience building multi-tenant platform infrastructure
  • Experience contributing to Kubernetes ecosystem projects
  • Experience working in high-ambiguity environments
  • Experience with web3 concepts is a plus but not required for this role

All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST).

We carefully review all applications and aim to provide a response to every candidate within two weeks after the job posting closes. The closing date is listed on the job advert, so we encourage you to take the time to thoughtfully prepare your application. We want to fully consider your experience and skills, and you will hear from us regarding the status of your application shortly after the closing date.

About Chainlink Labs

Chainlink is a decentralized oracle network that enables smart contracts to securely access off-chain data feeds, web APIs, and traditional bank payments. Chainlink is consistently selected as one of the top blockchain technologies by leading independent research firms such as Gartner. Chainlink's decentralized oracle network provides reliable tamper-proof inputs and outputs for complex smart contracts on any blockchain. Chainlink is trusted by hundreds of organizations, from global enterprises to projects at the forefront of the blockchain economy, to deliver definitive truth via secure, reliable data feeds.
Learn more about Chainlink Labs
Size
200 employees
Industry

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