Structural Engineer

Hello all
So my pool deck seems to be sliding a bit away from my home. The pool is noticeably unlevel. Before I invest any money on masking the issue I want to ne sure that the deck won't continue to slide and it has settled to its final resting place, or would like a recommendation on what to do to fix the issue.
I believe for this I would probably need a structural engineer. Can anyone recommend me to someone that can assist with my issue?