Location. Maris Grove by Erickson Senior Living. Maris Grove - Located in Glen Mills PA. Delaware County. Hiring for Part Time, Full Time, and FLEX positions. All Shifts - 7am-3pm, 3pm-11pm, and 11pm-7am. Will Train for EMR Certification. Shift Differentials. Sign On Bonus - $1,000 for Full Time positions. EMT Compensation: starting at $18.00 per hour. EMR Compensation: starting at $16.00 per hour. We are hiring a Security and Emergency Services ...