Top 11
Prep plan
Updated weekly · Last refresh Oct 17

Barclays Site Reliability Engineer Interview Questions

The questions to prepare for a Barclays Site Reliability Engineer interview. Questions from real interview reports rank first. Updated daily.

11questions
~1htotal time
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1
Security & InfrastructureStart here. 6 questions · ~48 min
Understanding kdb ArchitectureHard

Tests your deep understanding of kdb architecture and your ability to build targeted diagnostic scripts.

scriptingBarclays
High Availability and ConsistencyMedium

Evaluates your design tradeoffs for HA and consistency in distributed services.

distributed systemshigh availabilitydata consistencyBarclays
Step-by-Step Root Cause AnalysisMedium

Assesses your structured RCA process for production outages.

root cause analysisTroubleshootingBarclays
Linux Utilities for CPU DiagnosisMedium

Evaluates your practical knowledge of Linux tooling for performance and incident diagnosis.

linuxBarclays
Troubleshooting kdb+ BottlenecksMedium

Assesses your diagnostic approach for performance issues in Barclays data systems.

Performance TuningTroubleshootingBarclays
Optimizing SQL at ScaleMedium

Tests your ability to improve database performance and reliability for large workloads.

query optimizationsqlBarclays
2
Behavioral & Leadership4 questions · ~32 min
Resolving Deployment Strategy ConflictMedium

Tests conflict resolution in deployment decisions, including influence, risk trade-offs, and ownership of the final outcome.

Conflict ResolutionStakeholder ManagementcollaborationBarclays
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3
More topics1 question · ~8 min
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