Cook the pasta according to the package directions.
Meanwhile, heat the oil in a large skillet over medium-high heat.
Season the shrimp with ½ teaspoon salt and ¼ teaspoon pepper and cook, turning once, for 2 minutes.
Add the jalapeño and cook for 1 minute.
Add the sauce and parsley and cook until heated through, 2 to 3 minutes. Serve over the pasta.