Site Reliability Engineer (US - Pacific time)

PostHog· Engineering

Hybrid (San Francisco, CA)$200k - $300kFull-timePosted 2mo ago

About the role

SRE role focused on turning a fast-growing, stateful system into a predictable, well-automated platform operating on multi-region AWS with Kubernetes; involves provisioning, scaling, recovery, on-call, and building tooling to reduce operational load while enabling growth.

Responsibilities

Operating EKS clusters across several environments with Karpenter autoscaling, Cilium networking, and ArgoCD-driven GitOps deployments
Managing and evolving a multi AWS account organization, provisioning, networking, access control, and cross-account connectivity
Maintaining the Terraform/Terragrunt IaC platform - modules, automated plan-on-PR / apply-on-merge pipelines, and safe patterns for shared infrastructure
Improving operational tooling around deploys, schema changes, backups, restores, and incident response
Reducing operational load by identifying repeat pain points and eliminating them through code and self-healing automation
Optimizing cloud spend as you go
Participating in on-call and incident response, with a strong focus on making incidents rarer over time

Qualifications

Deep hands-on experience with Kubernetes in production (EKS preferred). You've debugged node pressure, networking issues, and deployment failures at scale (thousands of nodes)
Strong experience operating production infrastructure on AWS. Not just one account, but understanding organizational boundaries, IAM, and networking between many
Experience automating infrastructure using Terraform or Terragrunt at scale, including module design and state management
Solid understanding of Linux systems (disk, memory, networking, failure modes)
Experience supporting stateful systems (databases, queues, storage systems, etc.)
Ability to debug and reason about performance and reliability issues in production
You're comfortable owning systems end-to-end, including on-call responsibilities

Skills

Required:Kubernetes (EKS)AWSTerraform/TerragruntLinuxOn-call / Incident response

Last updated Oct 21, 2026. Interested? Apply on the company site.

About PostHog

The single platform to analyze, test, observe, and deploy new features

PostHog helps engineers build better products. We provide everything they need to make sure they are building something that people want. This means - product analytics, session replays, feedback tools, feature flags, experimentation, LLM observability, and a data warehouse (with SQL) with one click data imports from the places you use. We've been averaging ~10% monthly revenue growth, we are [default alive](http://www.paulgraham.com/aord.html), and we didn't raised a huge / now-overpriced round in 2021. While others are focused on layoffs and struggling to grow into huge valuations, we're focusing on an awesome product for end users, hiring (a handful of) exceptional team members and seeing fantastic increases in revenue as a result. Check out posthog.com/careers if you want to be part of this journey.

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