Senior Site Reliability Engineer
Remote · New South Wales, Australia
Job Summary
Senior Site Reliability Engineer responsible for proactively and reactively improving Block's platform reliability and critical infrastructure. You will build and extend platforms, standardize reliability tooling, triage and lead stabilization of high-severity incidents, and drive AI-enabled observability and automation to reduce toil. You will serve in primary oncall rotations, coordinate incident response, and implement safe deployment patterns (progressive delivery, automated rollback, guardrails). The role requires experience with production oncall, strong incident management skills, and fluency with modern tech stack including Kubernetes, CI/CD, AWS, DataDog, and related tooling. Block emphasizes distributed systems reliability, blameless postmortems, and evidence-based maturity assessments using trailing data. Remote work is supported; the role spans multiple time zones. Block is an equal opportunity employer with a commitment to inclusivity and accommodations during recruitment.
Required Qualifications
- 5+ years of software development experience
- on-call production experience
- CI/CD and deployment automation experience
- experience with observability and monitoring tooling
- Kubernetes, AWS, Terraform
- DataDog
- Istio/Envoy
- MySQL/Vitess/DynamoDB
- HTTP, JSON, gRPC, Protocol Buffers
- strong incident management and root cause analysis skills
Desired Qualifications
- 5+ years of software development experience
- experience running production oncall
- familiarity with AI-driven tooling for observability, incident analysis, or automation
- CI/CD pipelines, progressive rollout strategies, and rollback automation
- on-call leadership and incident management skills
- monitoring and observability expertise (alerts for uptime, error rates, latency, resource exhaustion)
- experience with Kubernetes, Terraform, Istio/Envoy, AWS
- DataDog
- LaunchDarkly
- MySQL/Vitess/DynamoDB
- HTTP, JSON, gRPC, Protocol Buffers
- strong fault-tolerance and deployment-safety patterns
- ability to create evidence-based maturity assessments from data
- vendor/dependency management skills
- autonomy and accountability
- strong communication and teamwork under high-pressure incidents
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