Grassfed Aussie Beef barbacoa tacos

Name: Grassfed Aussie Beef barbacoa tacos
Ingredients: 1 cup paprika; 2 teaspoons cayenne; 2 teaspoons chilli powder; 1/2 cup black pepper; 2 teaspoons smoked paprika; 1/2 cup brown sugar; 1/4 cup dried oregano; 1/2 cup sea salt; 1/2 cup garlic powder; 1/4 cup granulated sugar; 1 orange, zested and juiced; 2 limes, zested and juiced; 2 teaspoons all purpose bbq rub or other meat rub; 1/2 tablespoon pureed canned chipotle in adobo; 1 teaspoon minced garlic; 1 teaspoon chopped fresh cilantro; 1.5 pounds trimmed Australian Grassfed skirt steak; 8 corn tortillas; 1 15oz can black beans, drained; 1 cup pico de Gallo; 1/2 cup cotija cheese