Here is the full list of all 32 Hardware Engineers achievements.
Finish 25 upgrade mission
Inspect 150 items
Install 25 WinDOOR
install 50 software
Destroy 50 virus
Use express delivery 25 times
Throw 25 components
Finish 25 repair mission
Inspect 25 items
Use normal delivery 25 times
Finish 25 buy/order mission
Obtain a profit over 2000$ for 3 days in a row
Get a Physics and Graphics score over 60
Benchmark a masterpiece
Obtain a profit over 1000$ for 3 days in a row
Unlock all componants
Achieve 200 missions
Accumulate 10.000$
Achieve 100 missions
Achieve 50 missions
Complete the tutorial
Fail 25 missions
Fail 50 missions
Fail 100 missions
Steal 50 items
Steal 100 items
Obtain a profit over 4000$ for 3 days in a row
Share something on workshop
Finish 25 build mission
Overclock something above 5.5Ghz
Copy 1TB of files
Copy 100TB of files