I also work in science, and you don’t need to believe in objectivity to do science. I think you’re using it as a crutch for convenience.

xkcd.com/123/

The scientific method works no matter what your reference frame or subjective reality is. It may tell you that you hold incompatible beliefs or axioms, but there ARE multiple valid axiomatic systems to start with. Though as Donald Hoffman demonstrated, none of them is that human perception is veridical.