Senior Principal Site Reliability Engineer

Job summary

Questrade Financial Group is seeking a Senior Principal Site Reliability Engineer responsible for the stability, resiliency, and scalability of critical brokerage back-end applications. The role involves driving reliability engineering practices, making hands-on code contributions, and influencing cross-team operations to enhance system reliability and performance.

Qualifications

• 8+ years of software engineering and/or site reliability engineering experience
• Demonstrated ability to read, debug, and make minor-to-moderate code changes across multiple languages/stacks
• Deep experience with cloud scalability strategies
• Experience operating and supporting hybrid architectures
• Strong background in observability tooling
• Practical experience defining and operating against SLOs/SLIs/error budgets

Responsibilities

• Own the end-to-end reliability posture of critical brokerage back-end applications
• Define and track Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets
• Lead root cause analysis and blameless post-incident reviews for high-severity production incidents
• Establish and mature observability practices
• Build capacity planning, load testing, and chaos/failure-injection practices
• Champion a culture of operational excellence

Skills

Degrees

Relocation