Prepare the top rack of your oven so it's 8" from the bottom of the broiler, and turn broiler to high.
In a large bowl, whisk together the soy sauce, 2 tablespoons of avocado oil, sriracha, brown sugar, ginger, garlic, and red pepper flakes. Set aside 2 tablespoons of sauce. Add the salmon to the bowl and toss to coat in sauce.
Spread salmon on half the baking sheet, making sure to drizzle extra sauce on top. Place broccoli on the other half of the baking sheet. Drizzle broccoli with remaining 2 tablespoons of oil, 1/2 teaspoon of salt, and pepper, and toss to coat. Place in oven and broil for 4 minutes. Remove from oven, toss the broccoli, and return to the oven until the salmon is cooked through and begins to caramelize on top.
Assemble your bowl, starting with the rice, the broccoli, then salmon on top. Drizzle with set aside sauce, then sprinkle with green onions, sesame seeds, and cilantro. Enjoy!