Cook the rotini pasta according to package instructions; drain and set aside.
In a skillet, brown the ground beef or turkey over medium heat.
Drain excess fat and return the meat to the skillet.
Add taco seasoning and water; stir and simmer for 5 minutes.
In a large bowl, combine cooked pasta, meat mixture, cherry tomatoes, and bell peppers.
Add corn and black beans to the bowl and mix well.
Stir in shredded cheese and chopped cilantro.
Drizzle ranch dressing over the salad and toss to combine.
Adjust seasoning with salt and pepper as needed.
Serve immediately, garnished with tortilla strips.