I need to become a savage SEO writer.

Hey everyone, I'm in line for my dream writing role, but the application process got messed up and I ended up being shortlisted for the company's SEO blog writer role. I inquired and was told that applications for the role I wanted were closed, but that my experience and background still qualified me for the SEO role and that in-house transfers aren't uncommon if I wanted to play the long game.

So! I've been looking up the tricks of the trade and the more I read the more BADASS it becomes, and the less I know where to start.

So, do you have any advice for becoming a ninja SEO writer? I'm going for Miranda Priestly. Also my sample is due next Friday.