Ten years into my self-taught software engineer career I ran across a statement "if you aren't seeing problems in your work that can be solved by graphs (or any advanced algorithms really), then you are likely avoiding those problems." I thought he may be right, picked up an algorithm book and started a "coding club" at the company I was working at where we'd meet and go over the details of a specific algorithm. I be…
I'd also suggest going through Network+ and Security+ study guides too. IDK if the certs are worth it because I haven't actually taken the tests, but the books alone taught me a ton of the important concepts at a high level.