Combine the red onion and salt in a small bowl. Let sit for 10 minutes to soften.
In a large bowl, combine the lemon zest, drained beans, shredded chicken, chopped olives, Parmesan cheese, and parsley.
Add the softened red onion (discarding any liquid).
In a small bowl, whisk together the lemon juice, olive oil, and za’atar seasoning.
Pour the dressing over the salad and toss to combine.
Season with fresh black pepper to taste.
