Following is a relevant case law in this regard. However, the criminal case was still pending against the applicant when his appointment was to be given. You may go through the details of the case with the help of following link:
Court ordered that the appointment shall be subject to the outcome of the case, which means, if the applicant is convicted, he shall lose the job.
In your case, you were acquitted. Therefore, there shall not be any problem. Better to reveal all the details upfront.