No, system administrators do not need a background in coding, even though some basic knowledge about it wouldn't hurt. They are responsible for deploying, managing, and operating systems on the AWS platform.

Does AWS Solution Architect certification require coding?

AWS Certified Solutions Architect doesn't require coding skills to enter or prosper in your career. But again, it depends on the job you are working on and the company you are associated with.

Does Solution Architect require coding?

They do not need to code, but they should be former coder in order to have a clear idea of technical challenges that their architectures must address. Their primary skill is not coding though, but listening to technical colleagues in order to choose the right solution.