You... might have included a link to the video.

At first I thought it might be Valery Markus, as he's done a number of these, but from the stills, these guys are using green on their BDUs - and his are using blue. Also they seem to call the Russians 'kitsaps' (л*дap) not orcs.

BTW, Marcus has helmet-cam of clearing trenches here: https://www.youtube.com/watch?v=bk5OG6JYmfI&t=1523s