An experienced system administrator will manage a company’s networks and the software and hardware used within them. Some of your tasks will include troubleshooting, installing hardware or software, designing networks and their infrastructure, assisting staff with network needs, etc.
You will be expected to have expertise in IT, software, hardware, network design, and more. Being able to show a degree in IT, computer science, or a related field is a sure way to prove your knowledge in these areas. Beyond that, your resume should show a history of handling networks for companies and the achievements you have had in that area. Look at this successful resume sample.