01 - Cook pasta according to package instructions until al dente. Drain and rinse under cold water to cool completely.
02 - If using fresh corn, grill or char kernels in a skillet over medium-high heat until lightly browned, about 5 minutes. Allow to cool.
03 - In a large bowl, combine cooled pasta, corn, red onion, red bell pepper, jalapeño, and cilantro.
04 - Whisk together mayonnaise, sour cream, lime juice, lime zest, chili powder, smoked paprika, cumin, hot sauce, salt, and black pepper until smooth.
05 - Pour dressing over salad ingredients and toss until evenly coated.
06 - Gently fold in most of the cotija or feta cheese, reserving a portion for garnish.
07 - Transfer to serving platter. Garnish with remaining cheese and extra cilantro if desired. Chill at least 20 minutes before serving.