Add the olive oil, vinegar, lemon, garlic, seasonings, and parsley to a bowl.
Using a whisk, stir well to combine the ingredients.
Add the seasonings and mix again. Set the dressing aside.
To prep the shrimp, remove the tails, roughly chop them.
Add the shrimp to the dressing.
Stir well with a spatula to coat the shrimp with the dressing.
Taste and adjust the salt.
Serve immediately or allow it to chill for an hour.