The OP is making a logical mistake, equating atheism and skepticism.
I am a skeptic, therefore I'm an atheist. Not vice versa.
In addition:
I am a realist, therefore I'm a secularist.
I am a skeptic, therefore I'm an atheist. Not vice versa.
In addition:
I am a realist, therefore I'm a secularist.
Skepticism is not a position; it is an approach to claims.
Science is not a subject, but a method.
Science is not a subject, but a method.