Preheat oven to 350 degrees F.
Season salmon with Seafood Cajun Seasoning. In a medium saute pan, saute salmon in butter on medium-high heat, fat side down, until golden brown. Using a metal spatula turn salmon over and cook until golden brown. Transfer salmon onto a sizzle plate or small sheet tray and place in oven for 4 to 6 minutes. Remove from oven and let rest.
Slice ciabatta roll lengthwise and place under broiler until lightly golden. Spread Goat Cheese and Lemon Mayonnaise on roll. Arrange salmon, lettuce, tomatoes and onions on roll.
In a medium bowl, combine cayenne pepper, kosher salt, paprika, black pepper, garlic, onion powder, gumbo file and crab boil seasoning.
In a medium bowl, mix goat cheese, mayonnaise, lemon juice, parsley, salt and freshly ground black pepper, to taste.
Recipe courtesy of Aaron McCargo, Jr.