Preheat skillet over medium heat for 3-5 minutes. Add enough oil to coat the bottom of the pan, you want the oil to be shimmering.
Carefully place the fillets, skin side down in the pan.
Cook undisturbed for 3-5 minutes, depending on the thickness of the fillet.
Using a spatula, carefully turn the salmon fillets over and sear the other side for another 2 minutes.