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Network Administrator interview questionsNetworking Skills 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: Networking Skills, Configuration, Network Troubleshooting, Command Line Tools, Subnetting.
Networking Challenge
What this section is for
Purpose
Evaluate technical knowledge and problem-solving skills in real-world scenarios.
Scenario: You are tasked with configuring a small office network. The network consists of 10 computers, a printer, and a router. All devices need to be on the same subnet. How would you configure the network, including IP addressing and subnetting? Follow-Up Questions: - What command line tools would you use to verify the network configuration? - How would you troubleshoot if one of the computers cannot connect to the network?
What this question is for, and what to listen for
Purpose
Assess networking skills, configuration abilities, and troubleshooting techniques.
Signals to score
- Clear understanding of subnetting
- Correct IP addressing plan
- Knowledge of command line tools
- Logical troubleshooting approach
- Considers potential issues
- Explains thought process clearly
- Demonstrates practical knowledge
Follow-up questions
- Can you explain how you would assign IP addresses?
- What subnet mask would you use for this network?
- How would you verify connectivity?
- What steps would you take if a device cannot connect?
If you had more time, what additional features or configurations would you implement in this network setup?
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 security measures would you add?
- How would you improve network performance?
- Are there any additional tools you would use?
Great job on the networking challenge!
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?
Network Administrator interviews — common questions
- Who is this Network Administrator interview plan for?
- It is written for the interviewer, not the candidate: the hiring manager, engineer or panel member running the Networking Skills Test round for a Network Administrator 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 Networking Skills Test round assess?
- This round is focused on: Networking Skills, Configuration, Network Troubleshooting, Command Line Tools, Subnetting. It works through Networking 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?
- Networking 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 Network Administrator?
A single round does not cover a whole role. The other rounds in this library for a Network Administrator: