Boil salted water and cook the rotini pasta until al dente; drain and rinse with cold water.
In a large bowl, combine cooked pasta with cherry tomatoes, cucumber, bell pepper, red onion, and corn.
In a separate bowl, whisk together olive oil, red wine vinegar, salt, and pepper.
Pour the dressing over the pasta and vegetable mixture.
Toss everything together until well combined.
Add chopped parsley and toss again.
Adjust seasoning to taste.
Chill the salad in the refrigerator for at least 30 minutes.
Serve cold and enjoy!