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Emergency Room Technician- PRN

Mercyhealth · Crystal Lake, IL · $18.65–$27.04 an hour · Per diem

Posted Sep 30, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

This role includes precepting new ED techs and EMT or paramedic students. How do you decide when a new hire is ready for more?

What they are checking: Whether they build up a new person's workload based on their real progress, as the posting describes.

Tell me about a time you had to correct a coworker's unsafe practice.

What they are checking: Whether they can address safety issues with peers directly and respectfully.

Tell me about a time you noticed a patient getting worse before others did.

What they are checking: Whether they observe closely and escalate early in a busy emergency setting.

What would you do

A manual blood pressure you just took is 80 over 50. What do you do?

What they are checking: Whether they recheck and report the abnormal value to the supervising RN right away.

As a PRN tech, you might come in on a day the ED is overwhelmed. How do you jump in?

What they are checking: Whether they can get oriented fast and pick up the most useful work.

A new tech is moving too slowly during a trauma. How do you coach them in the moment?

What they are checking: Whether they can give quick, calm direction without embarrassing the person.

About the work

How do you set up end-tidal CO2 monitoring, and what would you report to the nurse?

What they are checking: Whether they can apply the monitor correctly and recognize readings that matter.

Walk me through how you remove a Foley catheter or peripheral IV under a nurse's direction.

What they are checking: Whether they follow safe technique and know which observations to report after removal.

How do you measure and record output from an NG tube to suction?

What they are checking: Whether they document output accurately and notice changes in color or amount.

How do you complete an orientation competency checklist fairly?

What they are checking: Whether they sign off only on skills they have seen done correctly.

Practice this interview out loud.

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The full job description

As published by Mercyhealth.

Overview: Cares for patients in the Emergency Department under direction of nursing staff. Schedule: PRN Shift: PRN ESSENTIAL DUTIES AND RESPONSIBILITIES The ED Technician Advanced role is required to meet unit competency and orientation requirements as defined for the ED Technician role, additionally demonstrating competency in: • Training/precepting new ED Technicians and/or EMT/Paramedic students in collaboration with the unit educator • Attaching patient to end-tidal CO2 monitoring (when applicable) • Managing and reporting collection devices: • Colostomy, ileostomy or other fecal management systems: care and output measures • Indwelling catheters: care and output measures • Nasogastric tubes to suction • Competent in completing manual process for blood pressure and required reporting of abnormal values to supervising RN • Discontinue invasive devices under the direction of the supervising RN: • Indwelling (Foley) catheters • Nasogastric tubes • Peripherally inserted intravenous catheters • Serves as a mentor to new hires and as a resource to all ED Technicians. • Supports newly hired ED Technicians for a minimum of three shifts, increasing the new hires workload as his/her progress and experience allows. • Oversees ED Technician orientation under the direction of the department educator, completing an orientation and competency check on new hire ED Technicians upon the completion of the orientation period. • Educates all newly hired ED Technicians regarding departmental procedures, safety and health issues, and other information. Coaches for improvement and educates staff for results. • Brings concerns and/or new ideas forward to the unit manager to improve care on the unit, reporting staff behavioral concerns to management immediately. • Completes documentation as appropriate for any care provided (food consumption, bowel movements, movement, and other documentation as assigned) • Serves as liaison to nursing management and the new ED Technicians. • Assist nursing and support service leadership in identifying process improvement opportunities as directed by leadership. • Processes patient charges and orders supplies as needed. Processes order requests in an accurate and timely manner. • Assists in acquisition of supplies for EMS • Restocks EMS supply room • Checks for outdated equipment and supplies • Participates in department or unit performance improvement activities. • Serves as a role model in Critical Moments of Service standards. • Special projects and other duties as assigned. EDUCATION AND/OR EXPERIENCE Completion of a CNA program or Graduate of a medical assistant program accredited by the Accrediting Bureau of Health Education Schools (ABHES) or the Commission on Accreditation of Allied Health Education Programs (CAAHEP), or graduate of a medical assistant program in a postsecondary school or college that has institutional accreditation by a regional accrediting commission or by a national accrediting organization approved by the U.S. Department of Education 12 months experience as an ED Technician for Mercyhealth or in another emergency department or 12 months experience as a pre hospital EMT CERTIFICATION/LICENSURE Certified as a Nursing Assistant in applicable state or Certified as a Medical Assistant through the AAMA (American Association of Medical Assistants) or RMA certification through the AMT (American Medical Technologists) or CCMA (Certified Clinical Medical Assistant) through NHA (National Healthcareer Association) or RMA through AAH (American Allied Health) or NCMA Certification through the NCCT that have also completed the education requirements. or Licensed as an EMT-B or EMT-A in applicable state Approved CPR or BLS certification required within 90 days SUPERVISES Responsibilities include interviewing, and training CNAs; planning, assigning, and directing work PAY RANGE: $18.65 - $27.04 Mercyhealth is an Equal Opportunity Employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify, national origin, disability, or protected veteran status. Mercyhealth offers competitive pay and benefits, including retirement, time off, on-demand pay, access to the Employee Assistance Program (EAP), and more. Click here for more details. At Mercyhealth, we don’t simply hire people, we empower employee-partners who are passionate about making lives better. As an integrated health system, we deliver exceptional, coordinated across seven hospitals, 85 primary and specialty clinics, and a team of over 7,500 professionals serving northern Illinois and southern Wisconsin. Mercyhealth has been nationally recognized for our commitment to our people and culture, including: • #1 in the nation on AARP's Best Employers for Workers Over 50 • One of Working Mother magazine's 100 Best Companies for Working Mothers • A Top 50 Company and Top 10 Nonprofit for Executive Women

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