Thaw shrimp, if frozen. Shell and devein shrimp. Set aside.
In a blender container or food processor bowl combine olive or cooking oil, lemon juice, parsley, cilantro, garlic, paprika, cumin, red pepper, salt, and black pepper. Cover and blend or process until finely pureed.
In a bowl stir together shrimp and oil mixture. Cover and chill for 20 to 30 minutes. Drain shrimp, reserving marinade. Thread shrimp on skewers.
Grill shrimp on an uncovered grill directly over medium-hot coals about 15 minutes or just until they turn opaque, turning often and brushing with marinade. Makes 12 to 16 servings.