Here is the full list of all 11 Job Simulator achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Hit Job Bot with any item in the Museum
Finish the Store Clerk job
Finish the Gourmet Chef job
Finish the Office Worker job
Scratch off a winning lottery ticket in the Store Clerk job
Finish the Auto Mechanic job
Play any job with a Job Genie cartridge
Make soup with soup in it
Shred the JobBot toy in the Office Worker job
Grab the hidden glove in the Auto Mechanic job
Read through the creds