Staff Software Engineer (L4)
Core
Architect systems with reliability designed in from the outset, define SLIs and SLOs, and build automation to keep infrastructure ahead of capacity and performance demand.
Role type
Staff Site Reliability Engineer (Platform Engineering)
Builds
Production services reliability, automation, and observability for Twilio's platform
Domain
Cloud infrastructure, distributed systems, platform engineering
Required skills
Production system accountability, SLI/SLO definition, error budget management, incident command, capacity planning, observability, distributed systems architecture, cross-team collaboration, code review, mentorship
Preferred skills
Infrastructure-as-code, container orchestration, GitOps, multi-region architecture, failure-domain design, chaos engineering
Technologies
Cloud environments, container orchestration, GitOps, observability tools
Responsibilities
Own reliability posture of production services (availability, latency, capacity), define and operate against SLIs/SLOs, lead incident response and post-mortems, orchestrate complex system changes, drive projects from conception to completion, mentor engineers through code review and design feedback
Seniority
Staff, hands-on IC with strategic impact
