Senior QA Engineer - Observability

At Graphcore, we build the future of AI compute with expertise in semiconductor, software, and AI. The company is part of the SoftBank Group and focuses on the complete AI compute stack, from silicon and software to datacenter-scale infrastructure. Graphcore is expanding globally to tackle AI technology challenges and solutions.

• BSc or MSc degree in Computer Science, Computer Engineering, or equivalent practical experience.
• 5–8 years of experience in Software QA, Test Automation, or Software Engineering.
• Experience designing automated test frameworks for distributed systems.
• Experience testing cloud-native or infrastructure software on Linux.
• Experience with Python programming.
• Experience building automated integration and system tests.
• Familiarity with CI/CD platforms and automated testing pipelines.
• Experience with Kubernetes, Docker, and containerized environments.
• Understanding of distributed systems, networking, and API testing.
• Experience validating REST and gRPC APIs.
• Strong debugging and root-cause analysis skills.
• Excellent written and verbal communication skills.

Nice to have:

• Experience testing observability platforms based on Prometheus, Grafana, OpenTelemetry, ClickHouse, Kafka, or Elastic Stack.
• Experience validating telemetry pipelines and large-scale time-series data.
• Experience with performance, scalability, and resiliency testing.
• Familiarity with Infrastructure as Code technologies such as Terraform or Ansible.
• Experience testing AI infrastructure, HPC platforms, or cloud infrastructure.
• Experience with additional programming languages such as Go or C++.
• Knowledge of modern observability practices including metrics, logs, and distributed tracing.

• Define and implement the end-to-end quality strategy for Graphcore's telemetry and observability platform.
• Design, develop, and maintain automated functional, integration, system, and regression tests covering the complete telemetry lifecycle.
• Develop automated validation frameworks for telemetry pipelines, data quality, metrics, logs, traces, and time-series data.
• Design realistic test environments for large-scale distributed deployments and production-like workloads.
• Collaborate with software engineers to ensure testability, reliability, and quality.
• Validate performance, scalability, resilience, and fault recovery under realistic conditions.
• Integrate automated testing into CI/CD pipelines and improve test coverage and release quality.
• Investigate defects with root-cause analysis and work with engineering teams to resolve system-level issues.
• Develop quality metrics, test reports, and release readiness criteria.
• Contribute to continuous improvement of testing methodologies, automation frameworks, and best practices.

Applicants must hold the right to work in Poland. Visa sponsorship or visa application support is not available.