There are plenty of sysadmin knobs to check w.r.t. security, and you can learn those without knowing how to code. Many folks attack Active Directory and haven't

There are plenty of sysadmin knobs to check w.r.t. security, and you can learn those without knowing how to code. Many folks attack Active Directory and haven't seen its source code, for example. You'll eventually learn to code to advance, but it just isn't a hard prerequisite.