Staff SRE: Reliability Strategy & Observability (Remote)

horizon3ai; United States; Remote; USD 200,000 - 270,000; Full time

Benefits offered by this job

Stock options

Fully remote

Medical and dental insurance

Generous vacation & parental leave

Travel up to 10%

Job summary

horizon3ai is seeking a staff-level Site Reliability Engineer (SRE) to set reliability strategy and standards across a remote cybersecurity platform. The role owns the SRE operating model and drives cross-functional reliability initiatives for infrastructure, product, service, and security teams supporting a production-safe autonomous pentest platform.

You will define observability standards, SLIs/SLOs, and incident programs, participate in a 24/7 on-call rotation, and shape the growth path of

Qualifications

• Experience designing, operating, and troubleshooting large-scale distributed systems in production.
• Deep knowledge of reliability engineering, observability, incident management, and production operations.
• Proven ability to define SLIs, SLOs, alerts, and service ownership models.
• Backend automation work that reduces toil and improves operations.

Responsibilities

• Own and evolve the engineering-wide SRE strategy, operating model, and reliability standards.
• Lead cross-functional alignment to improve reliability, observability, and on-call readiness.
• Establish organization-wide approaches to service ownership, SLIs, SLOs, and error budgets.
• Define observability standards, dashboards, alerts, runbooks, and escalation paths.
• Drive end-to-end reliability initiatives across multiple teams.
• Improve incident management, on-call health, and post-incident learning.
• Shape the SRE function's direction and growth trajectory.
• Participate in a 24/7 on-call rotation with a sustainable staffing model.

Skills

Distributed systems

Reliability engineering

Observability

Incident management

SRE leadership

Tools

Datadog

New Relic

Grafana

Python

Terraform

AWS

Kubernetes

GitLab CI

ArgoCD

Job description

horizon3ai is seeking a staff-level Site Reliability Engineer (SRE) to set reliability strategy and standards across a remote cybersecurity platform. The role owns the SRE operating model and drives cross-functional reliability initiatives for infrastructure, product, service, and security teams supporting a production-safe autonomous pentest platform.

You will define observability standards, SLIs/SLOs, and incident programs, participate in a 24/7 on-call rotation, and shape the growth path of