In a large bowl, combine the raw shrimp, olive oil, lemon zest, lemon juice, cumin, garlic powder, oregano, smoked paprika, cayenne, Morton kosher salt, and fresh cracked black pepper. Toss well so the shrimp are well coated. Marinate for about 10 minutes.
1 1/2 pounds fresh shrimp, tails on & deveined, 1 Tablespoons olive oil, zest of 1 lemon, juice of 1/2 lemon, 2 teaspoons EACH cumin & garlic, 1 teaspoon EACH dried oregano & smoked paprika, 1/4 - 1/2 teaspoon cayenne*, 1 teaspoon Morton kosher salt*, fresh cracked black pepper