Cook pasta according to package directions; drain and set aside.
Add ground beef and diced onion to a large skillet over medium-high heat and cook, breaking up, until browned and onion is tender. Season beef with salt, pepper, cumin, garlic powder and paprika.
Add water to the skillet and cook, stirring occasionally, until water is gone.
Add cooked pasta, salsa and cheese to the skillet. Stir to combine and heat through to melt cheese before serving.