Green Chile Pasta

Name: Green Chile Pasta
Ingredients: 2 Tbsp. (or more) vegetable oil; 2 lb. pork shoulder (Boston butt), cut into 1 cubes; Kosher salt; 1 bunch scallions, trimmed; 2 large jalapeños, stems removed, halved lengthwise, plus more thinly sliced for serving; 1 lb. poblano chiles (about 5 medium), stems removed, halved lengthwise; 1 lb. tomatillos (about 10 medium), husks removed, rinsed; 4 garlic cloves; 2 tsp. sugar; 1 tsp. dried oregano; 1 tsp. ground cumin; 12 oz. rigatoni; Crumbled Cotija cheese and cilantro leaves (for serving)