DevOps Engineer (Observability)
RemoteIreland
Job Summary
Lead end-to-end architecture and delivery of key observability platform components, driving consistency across logs, metrics, traces, and profiling signals. Serve as a technical advisor to guide design decisions and align cross-team efforts with long-term architectural goals while mentoring engineers. Design and build developer-friendly tooling and APIs to support incident response and platform debugging at scale, leveraging OpenTelemetry standards. Collaborate with product teams and SREs to integrate observability into core engineering workflows, balancing performance, cost, and user value. Drive the shift to a unified, OpenTelemetry-first stack including centralized S3-based data lakes and ClickHouse-backed query engines.
Required Qualifications
- Proven expertise in building and scaling observability systems (e.g., logging platforms, metrics pipelines, tracing infrastructure, or profiling tools)
- Lead technical execution for major components of Twilio's observability overhaul, including our shift to centralized S3-based data lakes, OpenTelemetry instrumentation, and ClickHouse-backed query engines
- Proficiency in at least one modern programming language (e.g., Go, Python, Java)
- Familiarity with high-cardinality data challenges and telemetry correlation techniques
- Experience designing high-scale telemetry systems (e.g., Prometheus, ClickHouse, OpenTelemetry, Kafka, or equivalent)
- Solid understanding of distributed systems and the challenges of observability in complex, microservice-based environments
- Experience with AWS, Kubernetes, and infrastructure-as-code tools
- Ability to make forward-looking technical decisions and lead others through ambiguity and change
Desired Qualifications
- Familiarity with ClickHouse, Grafana Mimir, Athena, or equivalent systems for log and metrics querying
- Contributions to open-source observability tools or communities
- Experience building cost visibility or FinOps tooling for cloud compute and telemetry pipelines
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