Heat olive oil in a large skillet over medium-high heat.
Add drained corn and season with salt and pepper.
Cook corn, stirring often, until tender and toasted, about 10 minutes.
Cook rotini pasta according to package directions, then drain and rinse.
In a bowl, mix sour cream, mayonnaise, cotija cheese, cilantro, lime juice, chili powder, smoked paprika, garlic powder, and salt and pepper.
Combine pasta, corn, jalapeños, and red onion in a large bowl.
Pour dressing over the mixture and toss until well combined.
Serve chilled or at room temperature.