Cook the orzo in a pot of salted boiling water until al dente, about 8-10 minutes. Add peas 2 minutes before the orzo is done. Drain and rinse with cold water.
In a Mason jar, combine all the ingredients for the dressing. Shake well to mix.
In a large salad bowl, combine all salad ingredients except goat cheese.
Pour the dressing over the salad and toss until everything is coated.
Crumble the goat cheese over the salad, toss gently, and serve.