Opens this plan in Hirezen, where one click makes it a position.
Infrastructure Engineer 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, Troubleshooting, Performance Optimization, Incident Response.
Problem-Solving Challenge
What this section is for
Purpose
Evaluate technical knowledge and problem-solving skills in real-world scenarios.
Scenario: You are responsible for maintaining the infrastructure of a web application. Suddenly, the application becomes very slow. How would you approach diagnosing and resolving this issue?
What this question is for, and what to listen for
Purpose
Assess problem-solving, analytical thinking, troubleshooting, and incident response skills.
Signals to score
- Identifies potential bottlenecks
- Considers server load and resource usage
- Checks network issues
- Reviews application logs
- Prioritizes user impact
- Communicates effectively
- Proposes a structured plan
Follow-up questions
- What tools would you use to monitor the application?
- How would you determine if the issue is network-related?
- What steps would you take to isolate the problem?
- How would you communicate with the team during this incident?
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 would you consider?
- How could you improve communication during the incident?
Great job on the problem-solving exercise!
What this section 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
What this section is for
Purpose
Thanks the candidate for their time, provides next steps, and leaves a positive final impression.
Do you have any questions for me about the team or the company?
What this question is for, and what to listen for
Purpose
Gauge the candidate’s curiosity and interest in the role.
Signals to score
- Thoughtful questions asked
- Interest in company culture
- Curiosity about growth expressed
- Questions about role raised
- Inquiries about team challenges
- Engagement with responses shown
- Desire to learn next steps
- Focus on company values expressed
Follow-up questions
- What interests you most about this team?
- Are there any areas of the role you’d like to explore further?
Infrastructure Engineer interviews — common questions
- Who is this Infrastructure Engineer 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 Infrastructure Engineer role. It gives you a 60 min script to follow in the conversation — 3 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, Troubleshooting, Performance Optimization, Incident Response. It works through Problem-Solving Challenge and Closing, scoring against 21 observable signals, with follow-up prompts on all 3 questions for going deeper where an answer is thin.
- How is the 60 min split up?
- Problem-Solving Challenge (50 min), Closing (5 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 Infrastructure Engineer?
A single round does not cover a whole role. The other rounds in this library for a Infrastructure Engineer: