Here is the full list of all 11 Automachef achievements.
Publish a custom scenario to the Steam Workshop
Reach 100% reputation in Contracts Mode
Complete 5 contracts on hard difficulty
Complete all campaign levels
Eradicate an insect infestation
Successfully complete a campaign level using at least one Order Reader, one Counting Machine and one Repeater
Deliver a dish with salmonella
Complete all 5 tutorial levels
Have a machine on fire
Create a Test Site kitchen
Achieve 90% efficiency when successfully completing a campaign level