Staff Site Reliability Engineer
Horizon3 AI4 days ago
Remote, United StatesStaff+
Base Salary
$200k - $270k/yr
Responsibilities
- Own and evolve the engineering-wide SRE strategy, operating model, and reliability standards.
- Lead cross-functional reliability initiatives spanning Infrastructure, product, service, security, and business stakeholders.
- Establish organization-wide approaches to service ownership, SLIs, SLOs, and error budgets.
- Define observability standards, dashboards, actionable alerting, runbooks, and escalation paths.
- Improve incident management, incident command, on-call health, post-incident learning, and recovery readiness.
- Shape the technical direction and growth path of the SRE function.
- Participate in a 24/7 on-call rotation and help design a sustainable on-call model.
Requirements
- Experience designing, operating, and troubleshooting large-scale distributed systems in production.
- Deep knowledge of reliability engineering, observability, incident management, and production operations, with experience turning that knowledge into adopted standards and practices.
- Experience establishing SLIs, SLOs, actionable alerts, observability, and service ownership.
- Backend experience building systems and automation that reduce toil, strengthen safeguards, and improve operational efficiency.
- Experience leading high-severity incidents and improving incident response programs.
- Excellent written and verbal communication skills, including technical designs, runbooks, postmortems, and operational documentation.
- Experience with Python and Terraform, or equivalent automation and infrastructure-as-code tools.
- Experience with observability tools such as Datadog, New Relic, Grafana, or equivalent platforms.
- Experience operating production services in AWS and Kubernetes.
- Experience with deployment pipelines such as Gitlab CI, ArgoCD, or GitOps workflows.
Benefits
- Fully remote work arrangement with up to 10% travel for team off-sites and in-person project kick-offs.
- Health, vision, and dental insurance for employees and families.
- Flexible vacation policy and generous parental leave.
- Equity package in the form of stock options for all full-time roles.
- Growth opportunities, an inclusive culture, and collaborative work environment.
Tech Stack
Categories
Site Reliability
About Horizon3 AI
Horizon3 AI builds NodeZero, a proactive security platform that autonomously performs penetration testing and validates attack paths across on‑prem, cloud, and hybrid environments. The company sells its software by subscription to security and IT teams at enterprises and government agencies, helping prioritize and verify fixes. Founded in 2019 and headquartered in San Francisco, it is privately held and serves customers across regulated industries and the public sector.