1. Preheat the oven to 350°F–425°F depending on desired crispiness.
2. Line a 12×17 inch baking sheet with foil or parchment paper.
3. In a skillet over medium heat, cook the ground beef with diced onion until browned and onions are translucent.
4. Season the beef with cumin powder, kosher salt, and freshly cracked black pepper. Drain excess fat.
5. Add water and taco seasoning to the beef, simmer for about 10 minutes until thickened.
6. Arrange tortilla chips in an even, single layer on the prepared baking sheet.
7. Layer half of the shredded cheese over the chips.
8. Spoon the beef mixture evenly over the cheese-layered chips.
9. Add beans, corn, jalapeños, and olives on top.
10. Sprinkle the remaining cheese over everything.
11. Bake for 10 to 15 minutes, checking for melted and bubbly cheese.
12. Add fresh toppings like pico de gallo, guacamole, or sour cream if desired. Serve immediately.