Information Technology Infrastructure Interview Questions

424 information technology infrastructure interview questions shared by candidates

Let’s say that the IT Security engineering department wants to push a software update to a region of Linux server instances. How would you go about coordinating with the security engineers and executing the patch installation on the production infrastructure? Also, what tools and utilities would you use to carry out the task?
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IT Systems Engineer Infrastructure

Interviewed at Houzz

3.4
Jul 29, 2019

Let’s say that the IT Security engineering department wants to push a software update to a region of Linux server instances. How would you go about coordinating with the security engineers and executing the patch installation on the production infrastructure? Also, what tools and utilities would you use to carry out the task?

Networking/VLAN question Example: Give me an idea how you designed on prem network. Context: They suggested subnetting sufficient VLANs were unnecessary, which conflicts with best practices in on-prem environments. SAML backend question Example: How does SAML work at the backend? How is it architected internally? Context: You expected questions about integrating apps with an IdP using SAML, but they asked about deep protocol architecture.
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Senior IT Infrastructure Engineer

Interviewed at Octane

3.5
Dec 20, 2025

Networking/VLAN question Example: Give me an idea how you designed on prem network. Context: They suggested subnetting sufficient VLANs were unnecessary, which conflicts with best practices in on-prem environments. SAML backend question Example: How does SAML work at the backend? How is it architected internally? Context: You expected questions about integrating apps with an IdP using SAML, but they asked about deep protocol architecture.

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