Senior Database Reliability Engineer
Posted Sep 1, 2026 · We last checked this listing on Oct 6, 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 a time you pushed back on a request from an application team because it would hurt reliability.
What they are checking: Whether they protect the platform while still helping the team find a workable path.
What would you do
You are paged at 2 a.m. because a database is out of disk space. What do you do first, and what do you do the next day?
What they are checking: Whether they stabilize fast and then fix the root cause so it does not repeat.
How would you plan for moving some database workloads to the cloud?
What they are checking: Whether they weigh cost, performance, licensing and migration risk instead of moving everything at once.
About the work
Which database platforms have you supported at scale, and what was the hardest reliability problem you solved?
What they are checking: Whether they have real depth in enterprise databases and how they reason through hard outages.
Walk me through how you would design high availability and disaster recovery for a critical claims database.
What they are checking: Whether they understand replication, failover, RPO and RTO and match the design to business needs.
A query that ran in two seconds now takes two minutes. How do you troubleshoot it?
What they are checking: Whether they check execution plans, statistics, indexes and blocking in a logical order.
How have you used automation to give application teams self-service database tasks?
What they are checking: Whether they can reduce tickets and toil with safe, automated workflows.
How do you approach patching databases without unplanned downtime?
What they are checking: Whether they plan rolling patches, testing and rollback steps.
How do you decide what to monitor and alert on for a database platform?
What they are checking: Whether they focus on signals that show user impact and avoid alert fatigue.
How do you handle security for databases holding sensitive financial and personal data?
What they are checking: Whether they think about encryption, access control, auditing and least privilege.
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As published by COUNTRY Financial.