Studio One Pop Mix Enhancement -- 2

I have a multi-track pop song sitting in Studio One 5: a lead-vocal track plus a handful of instrument tracks I recorded myself. After giving it an initial pass I’m still unhappy with the overall sound—most of all, the way the vocal refuses to sit comfortably inside the mix... (Budget: $30 - $250 AUD, Jobs: Audio Editing, Audio Engineering, Audio Mastering, Audio Production, Audio Services, Music, Music Production, Sound Design)