The spark module (for the top burners) is at the rear of the range on a metal bracket with the screws facing front. I don’t see any way to access those screws from the rear. I can only see one of them.
I found this, but it is NOT the correct spark module (different module & bracket design);
https://www.repairclinic.com/PartDetail/Spark-Module/12001596/400570#relatedMedia