2 months ago
Remote, IrelandStaff+
Responsibilities
- Own the availability, latency, capacity, efficiency, performance, monitoring, and alerting of production services.
- Define and operate against SLIs and SLOs, using error budgets to guide engineering priorities.
- Identify and mitigate reliability risks, reduce recurring incident classes, and lower operational toil.
- Improve detection, incident response, recovery, failure-domain design, and rollback safety.
- Participate in on-call and lead responses when production services are degraded.
- Write post-mortems, identify root causes, and drive follow-up work to completion.
- Write, review, test, configure, and deploy production code that improves service reliability.
- Orchestrate complex changes across systems, including design changes, technical decisions, migrations, and upgrades.
- Lead debugging and troubleshooting of service architecture and design.
- Improve engineering quality through code review, design feedback, mentorship, and collaboration.
- Drive cross-team projects from conception through completion, including milestones, estimates, timelines, and stakeholder updates.
- Identify and communicate changes that could affect system stability.
Requirements
- 8+ years of related engineering experience, with substantial experience in reliability, infrastructure, or platform engineering.
- Demonstrated accountability for production systems and experience carrying a pager for critical services.
- Strong software engineering fundamentals and experience building and shipping production code.
- Experience defining and operating against SLIs and SLOs and using error budgets to set priorities.
- Depth in incident command, post-mortem analysis, capacity planning, and observability.
- A record of preventing recurring incidents and reducing operational toil.
- Experience driving changes across multiple teams and building alignment without formal authority.
- Experience improving engineers through code review, design feedback, and mentorship.
- Experience with large-scale distributed systems in a cloud environment.
- Familiarity with infrastructure-as-code, container orchestration, and GitOps-style delivery is desired.
- Experience with multi-region architecture, failure-domain design, or regional expansion is desired.
- Background in chaos engineering, game days, or proactive resilience validation is desired.
Benefits
- Remote-first role based in Ireland.
- Occasional travel may be required for project or team in-person meetings.
- Competitive pay, generous time off, parental and wellness leave, healthcare, and a retirement savings program.
- Additional benefits vary by location.
- Twilio supports employee volunteering and donation efforts.
Categories
Site Reliability
About Twilio
Twilio builds a cloud customer-engagement platform centered on programmable communications APIs for SMS, voice, WhatsApp, email, and verification, plus Segment CDP and the Flex contact center. It sells usage-based and subscription SaaS to developers and enterprises to embed messaging, calling, authentication, and data-driven marketing into apps. Founded in 2008 and headquartered in San Francisco, Twilio is a public company listed on the NYSE.