Posthog

SRE - Infra

Posthog3 days ago
Location

Remote

Workplace

Remote

Type

Full Time

Salary

USD 150,000 – 220,000

Level

Senior

Role

Site Reliability Engineer

Posted

Mar 26, 2026

Full TimeRemoteSenior

The role

Summary

PostHog is seeking a highly skilled Site Reliability Engineer (SRE) to join their Infrastructure team, focusing on building and maintaining a scalable, automated, and reliable multi-region AWS and Kubernetes platform. The ideal candidate will be a proactive problem solver who loves deep ownership of complex production systems and can transform operational challenges into elegant, automated solutions.

What you'll do

Kubernetes Infrastructure Management: Operate and optimize EKS clusters across multiple environments using Karpenter autoscaling, Cilium networking, and ArgoCD-driven GitOps deployments
AWS Multi-Account Management: Manage and evolve multi-AWS account organization, focusing on provisioning, networking, access control, and cross-account connectivity
Infrastructure as Code: Maintain and improve Terraform/Terragrunt infrastructure platform, including module design, automated pipelines, and safe shared infrastructure patterns
Operational Tooling: Develop and enhance tooling for deployments, schema changes, backups, restores, and incident response
Operational Optimization: Identify and eliminate operational pain points through code and self-healing automation, with a focus on reducing manual intervention
Cloud Cost Management: Continuously optimize cloud spending and resource utilization
Incident Management: Participate in on-call rotations and incident response, with a strategic goal of reducing incident frequency and impact

What we look for

Technical

Kubernetes ExpertiseProven experience with Kubernetes in production, specifically EKS, with ability to debug complex issues at large scale
AWS InfrastructureAdvanced knowledge of multi-account AWS infrastructure, IAM, networking, and organizational boundaries
Infrastructure as CodeExpertise in Terraform or Terragrunt, including module design and state management at scale
Linux SystemsDeep understanding of Linux system internals, including disk, memory, networking, and failure modes

Education

Computer Science/EngineeringBachelor's degree in Computer Science, Software Engineering, or equivalent practical experience

Experience

Production InfrastructureMinimum 3-5 years of hands-on experience managing large-scale, stateful production systems
Incident ManagementDemonstrated experience in comprehensive system ownership, including on-call responsibilities and proactive problem resolution

Skills

Required skills

KubernetesAdvanced configuration and management of Kubernetes clusters
AWSComprehensive AWS infrastructure management and optimization
TerraformInfrastructure as Code implementation and management
LinuxSystem administration and troubleshooting

Nice to have

GitOpsExperience with ArgoCD and GitOps workflows
Multi-Region InfrastructureUnderstanding of multi-region deployment strategies and consistency challenges
AI InfrastructureExperience building infrastructure for AI-enabled services

Compensation & benefits

Salary

USD 150,000 – 220,000 (annual)

Benefits

Remote Work

Fully remote work arrangement with flexible working hours

Professional Development

Continuous learning opportunities and support for technical growth

Transparent Culture

Access to company strategy, roadmap, and internal communications

Autonomy

High degree of personal ownership and decision-making power


Interview process

  1. 1
    Initial Screening Resume review and initial phone/video call with recruitment team
  2. 2
    Technical Assessment Comprehensive technical evaluation of infrastructure and system design skills
  3. 3
    System Design Interview In-depth discussion of complex infrastructure challenges and solution approaches
  4. 4
    Team Fit Interview Meeting with potential team members to assess cultural alignment and collaboration potential
  5. 5
    Final Interview Discussion with hiring manager about role expectations and long-term career growth

Apply for this position

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