1. Bring a large pot of salted water to a boil.
2. Cook the pasta according to the package directions until al dente.
3. Drain the pasta and rinse it under cold water to stop the cooking process and cool it down.
4. In a small bowl or jar, whisk together the olive oil, pepperoncini brine, red wine vinegar, Dijon mustard, lemon juice, garlic, oregano, salt, and black pepper to make the dressing. Set aside.
5. In a large mixing bowl, combine the chickpeas, sliced pepperoncini, grape tomatoes, cucumber, red onion, and parsley.
6. Add the cooled pasta to the bowl and toss gently to combine with the vegetables.
7. Pour the dressing over the salad and toss until everything is evenly coated.
8. Garnish with extra parsley or red pepper flakes, if desired.
9. Serve chilled or at room temperature.