@amarillo71 -- You'll have to talk to your employer's payroll or HR department. I don't know if MD employers are required to withhold PA taxes for their employees who reside in PA.
If your employer does not withhold PA taxes, you'll have to make quarterly estimated tax payments to PA. See this reference for details about that: https://www.revenue.pa.gov/FormsandPublications/FormsforIndividuals/PIT/Documents/rev-577.pdf
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
