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System Administrator interview questionsProblem-solving Test round
A 60 min interview plan with a time-boxed script, what each question is for, and the signals to score against. Key skills: Problem Solving, Analytical Thinking, Diagnostic Skills, Incident Response, Performance Optimization.
Opening
· 5 minWho is interviewing, how the round will run, and a question to settle the candidate in. The standard openingProblem-Solving Challenge
What this part is for
Purpose
Evaluate technical knowledge and problem-solving skills in real-world scenarios.
Scenario: A critical server is experiencing high CPU usage, causing slow performance across the network. Describe your approach to diagnose and resolve the issue. Follow-Up Questions: - What tools would you use to monitor CPU usage? - How would you prioritize tasks in this situation? - How would you communicate the issue to stakeholders?
What this question is for, and what to listen for
Purpose
Assess problem-solving, analytical thinking, diagnostic skills, and incident response.
Signals to score
- Identifies potential causes of high CPU usage
- Uses appropriate monitoring tools
- Prioritizes tasks effectively
- Communicates clearly with stakeholders
- Provides a structured approach to problem-solving
- Considers impact on network performance
- Suggests preventive measures for future
Follow-up questions
- What are the first steps you would take to identify the cause?
- How do you ensure minimal disruption during diagnosis?
- Can you explain how you would use monitoring tools in this scenario?
If you had more time, what would you change in your approach to this problem?
What this question is for, and what to listen for
Purpose
Assess the candidate's ability to reflect on their work, identify areas for improvement, and demonstrate critical thinking and problem-solving skills.
Signals to score
- Recognizes limits in their original answer.
- Points out clear areas to improve.
- Suggests specific changes.
- Talks about how changes could help performance.
- Shares ideas clearly and logically.
- Shows a desire to learn and improve.
Follow-up questions
- What additional tools or resources could assist in this situation?
- How might you improve communication with stakeholders?
- Are there any long-term strategies you would implement?
Great job on the problem-solving exercise!
What this line is for
Purpose
Provides positive reinforcement to the candidate, helping to build confidence and create a supportive atmosphere before moving into the final part of the interview.
Closing
· 5 minTheir questions for you, and what happens next. The standard closingSystem Administrator interviews — common questions
- Who is this System Administrator interview plan for?
- It is written for the interviewer, not the candidate: the hiring manager, engineer or panel member running the Problem-solving Test round for a System Administrator role. It gives you a 60 min script to follow in the conversation — 2 questions with what each one is for and the signals to score against — so you are not writing the round from scratch the night before.
- What does the Problem-solving Test round assess?
- This round is focused on: Problem Solving, Analytical Thinking, Diagnostic Skills, Incident Response, Performance Optimization. It works through Problem-Solving Challenge, scoring against 13 observable signals, with follow-up prompts on both questions for going deeper where an answer is thin.
- How is the 60 min split up?
- 5 min opening, 50 min on 2 questions and 5 min closing. The questions take in Problem-Solving Challenge (50 min). The timings are there so the round stays on schedule and every candidate gets the same shape of interview — which is what makes two candidates comparable afterwards.
- What other rounds should I run for a System Administrator?
A single round does not cover a whole role. The other rounds in this library for a System Administrator:
Hiring for this role?
Open this plan in Hirezen and make it a position in one click.
- Every interviewer runs the same script and marks the same signals.
- AI drafts the write-ups, and the debrief puts every read side by side.
- No ATS to set up first, and no bot in the call.
Free for your first open role.