Senior Infrastructure Engineer

Responsibilities

• Own the day-to-day reliability of the production platform including EKS, ArgoCD, and AWS
• Build progressive delivery systems using Argo Rollouts and clean rollback paths
• Develop internal developer tools and CLI tooling to improve the inner loop experience
• Automate operational toil using AI and maintain the current technology stack
• Improve platform economics through observability and cloud spend optimization

Requirements

• Extensive experience as an Infrastructure Engineer, SRE, or DevOps engineer
• Hands-on experience operating production Kubernetes at scale (EKS, GKE, or AKS)
• Deep proficiency with AWS services and Terraform for Infrastructure as Code
• Experience with CI/CD via GitHub Actions and GitOps via ArgoCD
• Ability to read and modify TypeScript, Node.js, or Python services

Preferred Qualifications

• Experience building internal developer products (CLIs, dev environments)
• Proficiency with observability stacks like Datadog or Sentry
• Familiarity with Cloudflare (Workers, Zero Trust, DNS)

About the Company

Buffer creates social media and brand-building software for small businesses, creators, and individuals. We are a fully distributed, remote-first team that defaults to transparency and values a diverse, inclusive work environment.