So I've actually had these done for a bit but just haven't photographed them. I've been away from the hobby for the past two years finishing up a Masters and then getting Married. It surprised me when I picked up a brush again how much I had forgotten (or thought I knew).
I followed a youtube channel, Sorastor's Painting Guide, to help ease me into the process. Its a really helpful guide for the minis from Imperial Assault and I painted the first three pretty much exactly like he did but found it taking a ton of time. I modified the process when I realized I shouldn't just glop the black wash all over the mini, and applied it more selectively. Even better I recalled having a lighter coloured black from Seperate Weapon Minis, soft-body black. I found things improved and it was taking me a more reasonable amount of time right around when I was done the two scout troopers at the end.