Horizon3AI
Senior/Staff Site Reliability Engineer
$200K–$270K
US, Remote · Remote · Staff · Full-time · Posted Sep 25, 2026
About the job
Own and evolve organization-wide reliability strategy, standards, and practices for production services, leading cross-functional initiatives that improve service reliability and operational readiness.
What you'll do
- Establish service ownership, SLIs, SLOs, error budgets, observability standards, dashboards, alerts, and runbooks.
- Lead reliability initiatives and set practices for incident management, on-call operations, post-incident learning, and recovery readiness.
- Shape the SRE function’s technical direction and operating model; participate in a 24/7 on-call rotation.
What they ask for
- Experience designing, operating, and troubleshooting large-scale distributed systems in production.
- Deep knowledge of reliability engineering, observability, incident management, and production operations, with experience establishing practices adopted by others.
- Experience leading high-severity incidents and improving incident response programs.
- Experience operating production services in AWS and Kubernetes; Python and Terraform or equivalent tools; observability tools and CI/CD experience.
Pay
$199,750 - $270,000 annually (base salary)
Tools
Python, Terraform, Datadog, New Relic, Grafana, AWS, Kubernetes, Gitlab CI
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