Jobs at Mercy in O'Fallon, MO

489 job openings within 25 miles

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Earn your MA certification with Mercy! (Chesterfield Valley)

Mercy - Chesterfield, MO

Primary Care Medical Assistant 40 hours per week, Days Chesterfield Valley Benefits: Tuition Reimbursement up to $2,000 for continuing education Health/Dental/Vision available after day one Annual contribution of $100 per month to eligible co-workers enrolled in the Dependent Care FSA Paid parental leave for new par...

Food Service Tech

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Environmental Services Coordinator (Evenings) Full Time

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Supply Chain Technician

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Coding & Charging Specialist (Non-Exempt)

Mercy - Chesterfield, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Equipment Technician (Days) Full Time

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Facility Float Pool RN-Weekend3 (Non-Exempt)

Mercy - Washington, MO

Up to $10,000 Sign On Bonus for RNs! Mercy Hospital Washington Department/Position: RN Float Pool Status: Full Time (36 hrs/wk) Shift : Weekend -Nights #BeAMercyNurse Incentives:

Nutrition Assistant - Part Time

Mercy - St. Louis, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Registered Nurse RN - Medical Surgical (Full-time, Nights)

Mercy - St. Louis, MO

Registered Nurse - RN Medical/Surgical Full-time, Nights | Three 12-hour shifts per week ➤ NO CONTRACT Sign-on Bonus Available! ➤ Health, dental & vision benefits starting day one ➤ 401(k) with employer match starting day one ➤ Shift Differential Pay: Days, Nights, Weekends ➤ Stay Pay Program - $2/hr on your productive t...

RN - ED- Full Time (6:30pm-7:00am)

Mercy - Washington, MO

Join Mercy Hospital Washington! Department/Position: RN – Emergency Department Status: Full-Time (36 hours/week) Shift: Nights | 6:30 PM – 7:00 AM #BeAMercyNurse Incentives & Benefits: Experienced Nurse Sign-On Bonus:

Administrative Leader Fellowship 2026

Mercy - St. Louis, MO

Administrative Leader Associate Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of uniqu...

Rotational Leadership Academy (RLA) Associate 2026

Mercy - St. Louis, MO

Rotational Leadership Associate Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and...

Patient Service Representative, Full Time

Mercy - Washington, MO

We're a Little Different Our mission is clear. We bring to life a healing ministry through our compassionate care and exceptional service. At Mercy, we believe in careers that match the unique gifts of unique individuals – careers that not only make the most of your skills and talents, but also your heart. Join us and discover why...

Specialty-LPN Full Time Washington Clinic

Mercy - Washington, MO

Mercy Washington Clinic 40 hours per week, Days Washington, MO Benefits: Tuition Reimbursement up to $2,000 for continuing education Health/Dental/Vision available after day one Annual contribution of $100 per month to eligible co-workers enrolled in the Dependent Care FSA Paid parental leave for new parents

RN - Cardiac Telemetry - Full Time - Nights

Mercy - Washington, MO

$13,000 Sign On Bonus for RNs! $10,000 Sign on Bonus for GNs! Mercy Hospital Washington Department/Position: RN -Cardiac Telemetry Status: Full Time (36 hrs/wk) Shift : Nights (Weekend & Holiday Rotation) #BeAMercyNurse