Top 19
Prep plan
Updated weekly · Last refresh Oct 17

The One 23 Group Systems Engineer Interview Questions

The questions to prepare for a The One 23 Group Systems Engineer interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
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1
Technical FundamentalsStart here. 6 questions · ~48 min
Troubleshooting Network Mount FailuresMedium

Tests boot-time dependency troubleshooting and network storage troubleshooting skills.

technical knowledgeThe One 23 Group
Soft vs Hard LinksEasy

Tests core Linux filesystem semantics and link behavior.

technical knowledgeThe One 23 Group
Online LVM and Filesystem ResizeMedium

Tests advanced Linux storage management and safe online resizing procedures.

technical knowledgeThe One 23 Group
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2
Security & Infrastructure3 questions · ~24 min
BSOD Troubleshooting on Windows ServerMedium

Tests structured incident troubleshooting and prioritization for critical Windows Server environments.

production failuretechnical knowledgeThe One 23 Group
SSH Key and Credential RotationMedium

Tests identity hygiene, secrets management practices, and operational controls at scale.

SecurityThe One 23 Group
Least Privilege in Active DirectoryMedium

Tests access control design, delegation practices, and governance for privileged operations.

least privilegeaccess controlactive directoryThe One 23 Group
3
Behavioral & Leadership9 questions · ~72 min
Owning a Critical Production OutageHard

Tests ownership during a high-severity outage, including root-cause isolation, incident communication, and preventive follow-through.

root causeincident responseTroubleshootingThe One 23 Group
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4
More topics1 question · ~8 min
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