How can I prepare for a junior sysadmin role in two weeks?

If you have access to the company’s technology list, use it to guide your preparation. A short review of networking, PowerShell, troubleshooting methodology, identity management, virtualization, and common Windows administration concepts is more practical than trying to complete several certifications in two weeks. You’ll learn most of the environment after you start, so concentrate on being curious, dependable, and able to reason through unfamiliar problems.

Your habits will matter as much as your technical knowledge. Take thorough notes, keep track of procedures, and review them so you don’t repeatedly ask the same question. At the same time, don’t stay stuck just to avoid asking for help. Try to troubleshoot independently, document what you checked, and then ask a focused question when necessary. Admit mistakes quickly, avoid making changes you don’t understand, and use the company’s documentation and knowledge base.

Communication is a major part of the job. Be patient and professional with users, especially when the issue seems obvious to you. Ask questions to find the real problem behind the request, explain technical issues in plain language, and don’t promise a solution or deadline you can’t guarantee. Prioritize one task at a time, protect confidential information in screenshots or notes, and learn the organization’s escalation and change procedures.

Congratulations! Your employer knows you’re new and should not expect you to know everything on day one. Instead of trying to absorb every possible technology, ask what systems and services you’ll actually support, then review the basics relevant to that environment. Networking fundamentals, DNS, DHCP, Active Directory or cloud identity, email platforms, virtualization, operating systems, PowerShell, ticketing, and documentation are all useful areas. Focus on understanding what each technology does and how the pieces interact, rather than memorizing commands.