Site Reliability Engineer III (Multiple Openings)
Posted Aug 18, 2026 · We last checked this listing on Oct 4, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about an incident you handled on call. What did you do in the first fifteen minutes?
What they are checking: Whether they respond to incidents in a calm, structured way, focusing on impact and communication first.
Tell me about a time you disagreed with a developer about a reliability tradeoff.
What they are checking: Collaboration and the ability to settle technical disagreements constructively.
What would you do
A development team wants to ship a service that doesn't meet availability requirements. What do you do?
What they are checking: Ability to enforce non-functional requirements while helping the team get there.
About the work
Walk me through how you'd migrate an application from on-premises to Google Cloud with minimal downtime.
What they are checking: Practical migration planning, which is the first duty listed for the role.
What do you monitor to know a service is healthy, and how do you avoid alert fatigue?
What they are checking: Whether they choose meaningful signals and keep alerts actionable.
How do you run a blameless post-incident review that leads to real fixes?
What they are checking: Whether they turn incidents into lasting improvements instead of blame.
How would you plan capacity for a service with big spikes on high-volume trading days?
What they are checking: Capacity planning for burst traffic, which matters at an exchange.
What is toil, and tell me about some you automated away.
What they are checking: Whether they measure and reduce repetitive manual work with engineering.
How do you design for fault tolerance in a distributed service?
What they are checking: Knowledge of redundancy, retries, timeouts and graceful degradation.
What observability tools have you used, and how do metrics, logs and traces work together?
What they are checking: Hands-on observability depth needed to maintain services in Google Cloud.
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Practice this out loudThe full job description
As published by CME Group.