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Flex Rn Jobs in St Louis, MO (NOW HIRING)

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$11

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$74

How much do flex rn jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for flex rn in St. Louis, MO is $40.37, according to ZipRecruiter salary data. Most workers in this role earn between $35.51 and $41.73 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Flex RN?

To thrive as a Flex RN, you need a solid nursing background, current RN licensure, and the ability to work across various units or specialties. Familiarity with multiple electronic health record (EHR) systems and hospital protocols is important, as well as certifications like BLS and ACLS. Strong adaptability, effective communication, and resilience are crucial soft skills for managing changing assignments and patient populations. These skills ensure that Flex RNs can provide high-quality, consistent care while seamlessly integrating into different teams and settings.

What are some unique challenges Flex RNs face compared to staff RNs?

Flex RNs, also known as per diem or float nurses, often work in multiple units or facilities depending on staffing needs. This can present challenges such as adapting quickly to different team dynamics, electronic health record systems, and patient populations. Flex RNs must be highly adaptable, confident in their clinical skills, and proactive in seeking out information in unfamiliar settings. However, this role also provides opportunities to gain diverse experience and build a broad professional network.

What is the difference between Flex Rn vs Travel Nurse?

AspectFlex RnTravel Nurse
CredentialsRegistered Nurse license, possibly additional certificationsRegistered Nurse license, often with specialized certifications
Work EnvironmentFlexible shifts, often per diem or short-term assignmentsTemporary assignments in various locations, often 13 weeks
Employer & IndustryHospitals, clinics, healthcare facilities seeking flexible staffingHospitals, healthcare agencies, traveling staffing companies

Flex Rn roles focus on providing flexible, short-term nursing coverage within healthcare facilities, often on a per diem basis. Travel Nurses, on the other hand, take on temporary assignments in different locations, typically for 13 weeks, and often require more extensive travel and accommodation arrangements. Both roles require RN licensure and similar certifications, but their work settings and commitment levels differ.

Do flex registered nurses get paid more?

Flex registered nurses often earn higher pay rates compared to standard RNs due to their ability to work flexible shifts, handle diverse assignments, and meet staffing needs during peak times. Their compensation can also increase with certifications, experience, and working in high-demand specialties or settings. However, pay varies by location, employer, and shift differentials.

What is a flex registered nurse?

A flex registered nurse (RN) is a registered nurse who works on a flexible schedule, often filling in staffing gaps or working in various departments as needed. They typically hold active RN licensure, have strong clinical skills, and may work in hospitals, clinics, or other healthcare settings with adaptable shifts. Flex RNs provide patient care across different units, offering staffing flexibility to healthcare facilities.

What are the most commonly searched types of Rn jobs in St. Louis, MO?

The most popular types of Rn jobs in St. Louis, MO are:

What are popular job titles related to Flex Rn jobs in St. Louis, MO?

For Flex Rn jobs in St. Louis, MO, the most frequently searched job titles are:

What job categories do people searching Flex Rn jobs in St. Louis, MO look for?

The top searched job categories for Flex Rn jobs in St. Louis, MO are:

What cities near St. Louis, MO are hiring for Flex Rn jobs?

Cities near St. Louis, MO with the most Flex Rn job openings:

Flex Rn jobs near you
Infographic showing various Flex Rn job openings in St. Louis, MO as of August 2026, with employment types broken down into 3% As Needed, 53% Full Time, 15% Part Time, and 29% Contract. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $83,979 per year, or $40.4 per hour.

RN GIG - Flex - Per Diem - PRN - Mercy Lincoln and Surrounding Communities

Mercy

Saint Louis, MO • On-site

Per diem, Other

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Mercy rating

6.5

Company rating: 6.5 out of 10

Based on 209 frontline employees who took The Breakroom Quiz

607th of 893 rated healthcare providers

Job description

Find your calling at Mercy!Overview:
Utilizes the nursing process to provide patient care. Maintains professional accountability for provision of patient care for the assigned patients. Evaluates the overall effectiveness of care provided by other direct caregivers. Coordinates the patient care in conjunction with other departments. Maintains patient rights and confidentiality of patient information. Performs duties and responsibilities in a manner consistent with our mission, values, and Mercy Service Standards.Position Details:

MERCY HOSPITAL Mercy Perry

Department: GIG

Status: PRN/Per Diem/Flex/Float

Shift: Various Shifts Available

  • W-2 Employee

  • Minimum 12 hours every 90 days

  • Maximum 30 hours a week (Sun-Sat)

  • 4, 8, or 12 hour shifts available

  • Variable Shift Incentives

  • Work Where and When You Want!

    • Overview:

    Are you seeking a flexible incentivized Registered Nurse position? Ability to pick up day shift OR night shift- whatever works best for you!  No weekend, holiday, or shift requirement. Participation in the Gig Nursing Program requires being responsible for scheduling a minimum number of hours, being available on short notice, being flexible and subject to last minute shift cancellation. The Gig Nursing Program does not offer guaranteed shift hours and will be the first for cancellation.

    Departments Utilizing GIG RNs:

    • Behavioral Health (BH)
    • Emergency Department (ED)
    • Intensive Care Unit (ICU)
    • Medical-Surgical (MS)
    • Women's Health (L&D, M&B)

    Facilities/Locations:

    • Mercy St. Louis - St.Louis, MO
    • Mercy Jefferson - Festus, MO
    • Mercy South - South St. Louis County, MO
    • Mercy Washington - Washington, MO
    • Mercy Lincoln - Troy, MO
    • Mercy Perry - Perryville, MO
    • Mercy Southeast - Cape Girardeau, MO
    • Mercy Stoddard - Dexter, MO

    Qualifications:

    Required Education:

    Graduate of an accredited registered professional nursing program 

    Preferred Education: BSN

    Licensure:  

    Is personally responsible for obtaining, and maintaining, a current RN license within the hiring state and/or compact licensure in which nursing duties are performed and must meet all state board of nursing requirements.

    Experience:

    One year of recent bed-side RN experience to work Med Surg. 

    For all other specialties (ED, ICU, etc.) a minimum of two years of recent specialty specific bed-side RN experience.

    Preferred Experience: Epic experience

    Certifications:

    For Med Surg, Behavioral Healthand Women's Health (L&D, NICU, M&B) - BLS

    For Critical Care (CC) - BLS, ACLS

    For Emergency Department (ED) - BLS, ACLS, & PALS

    Additional Certifications may be required after start

    Physical requirements/demands:

    Position requires individuals to push, pull, and/or lift 50 pounds on a regular basis

    Position requires prolonged standing and walking each shift

    Position requires the ability to grip, reach, bend, kneel, twist, and squat to perform duties

    Why Mercy?

    From day one, Mercy offers outstanding benefits - including medical, dental, and vision coverage, paid time off, tuition support, and matched retirement plans for team members working 32+ hours per pay period.

    Join a caring, collaborative team where your voice matters. At Mercy, you'll help shape the future of healthcare through innovation, technology, and compassion. As we grow, you'll grow with us.

    Powered by SonicJobs (an advertiser on Veritone). By applying, you consent to share your data with SonicJobs and the employer. Veritone or SonicJobs does not store or use your application data beyond facilitating the application.
    See Mercy Terms & Conditions at and Privacy Policy at and SonicJobs Privacy Policy at and Terms of Use at Category:Healthcare, Keywords:Registered Nurse (RN), Location:Saint Louis, MO-63110

    What Mercy employees say

    Pay

    Benefits

    Hours and flexibility

    Workplace

    Get the full story on Breakroom

    Mercy logo

    About Mercy

    Sourced by ZipRecruiter

    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.

    Industry

    Health care and social assistance

    Company size

    10,000+ Employees

    Headquarters location

    Chesterfield, MO, US

    Year founded

    1827

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