01 - In a large bowl, whisk together olive oil, Cajun seasoning, smoked paprika, garlic powder, onion powder, cayenne pepper, salt, black pepper, and lemon juice until fully combined.
02 - Add shrimp to the bowl and toss until evenly coated. Let marinate at room temperature for 10-15 minutes.
03 - Preheat grill or grill pan to medium-high heat.
04 - Thread shrimp onto skewers. If using wooden skewers, soak in water for 20 minutes before use.
05 - Grill shrimp for 2-3 minutes per side until pink and opaque with light char marks.
06 - Remove from grill and transfer to serving platter. Garnish with chopped parsley and serve with lemon wedges.