20 job interview questions for a system administrator

1. What is your experience with systems administration and how does it relate to this position?

2. What motivates you to work in this role as a systems administrator?

3. Describe your experience with network security and data backup solutions.

4. What was the most complex IT issue you have resolved?

5. Describe a time when you successfully installed/upgraded a server infrastructure.

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6. What is your experience with virtualization technologies such as VMware and Hyper-V?

7. What is your experience with cloud platforms such as AWS or Azure?

8. Have you ever implemented disaster recovery or business continuity plans? If so, please describe your experience.

9. Describe your understanding of TCP/IP and OSI models.

10. What is your experience with managing Active Directory and Group Policy?

11. What is your process for troubleshooting server and system issues?

12. Have you ever managed a hybrid on-premises and cloud infrastructure environment? Explain what you did to ensure seamless operations.

13. Have you ever worked with VoIP or phone systems?

14. What is your experience with domain name management and DNS?

15. What is your experience with network and server monitoring tools?

16. Explain your experience with PowerShell Scripting and automation.

17. Have you ever dealt with end-user support when it comes to systems administration?

18. What educational or certification credentials do you bring to the job?

19. Explain your experience with patch management for servers, workstations and network devices.

20. What is your approach to testing and deployment of new hardware and software within an infrastructure environment?

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