Job Description
Our client is seeking a Chaos Testing Lead with deep expertise in resilience testing for large-scale, business-critical payment systems. The ideal candidate will play a key role in identifying system vulnerabilities by designing and executing chaos engineering experiments aligned with ISO 20022 standards.Key Responsibilities:Define and implement a chaos testing strategy for high-availability payment systems
Lead fault injection tests using tools like Gremlin, Chaos Monkey, or Chaos Toolkit
Simulate outages and disruptions to assess system behavior under stress
Collaborate with platform, infrastructure, and application teams to build robust, fault-tolerant systems
Analyze outcomes, document findings, and drive improvements in system resilience
Ensure alignment with disaster recovery, business continuity, and ISO 20022 compliance
Promote a culture of proactive resilience and continuous improvement
8+ years in QA, Site Reliability, or Infrastructure Engineering roles
Hands-on experience with chaos engineering tools (e.g., Gremlin, Chaos Toolkit, Chaos Monkey)
Strong knowledge of ISO 20022 messaging and payments architecture
Familiar with fault injection, monitoring/observability, and CI/CD practices
Experience working in highly regulated or mission-critical environments
Chaos Testing Lead • Toronto, ON
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