Place seasoning rub ingredients into a food processor and pulse about 10 times, until ingredients are finely chopped and well combined. Taste for salt content. Adjust seasoning as needed.
Apply seasoning mixture to both sides of steaks. Cover with plastic wrap and marinate in refrigerator for 1-2 hours.
Preheat grill for medium heat.
While grill is heating up, remove steaks from refrigerator and let stand at room temperature.
Place steaks onto a hot grill and cook for 10-12 minutes per side, depending on thickness and desired doneness.
Increase heat to high. Reverse sear the steaks by grilling them over intense heat for about 1-2 minutes per side, or until a nice golden brown crust forms. Watch for burning.
Remove steaks from grill and place onto a plate. Rest them for 5-10 minutes, then serve.