That mask is a no go, it's so ridiculously bright, and not within the colour scheme of the Engineers. There's a mask pinned in the pac channel on the discord you can use.
Name: Freddy
Character Name: Alexander M. Gunn
Character Rank (EG: Private): Leftenant
Character Division (EG: Engineer): Infantry
Steam ID: STEAM_0:1:47625313
Total size of imported assets (if any): 3.25 MB
Images/Videos of the PAC or Imgur link to load: