Jobs › Mercyhealth

Registered Nurse, Emergency Department - Nights

Mercyhealth · Janesville, WI · $34.45–$51.68 an hour · Full time

Posted Sep 1, 2026 · We last checked this listing on Oct 6, 2026

Apply at Mercyhealth

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

Tell me about a time you caught a medication error before it reached the patient.

What they are checking: Whether they follow medication safety checks and speak up.

How do you keep documentation accurate when the ED is slammed?

What they are checking: Whether they protect charting standards under pressure.

Tell me about a time you disagreed with a provider's order.

What they are checking: Whether they question orders safely and use the chain of command when needed.

How do you take care of yourself working nights in a busy emergency department?

What they are checking: Whether they have healthy habits to stay safe and sharp on night shift.

What would you do

A patient you're caring for suddenly becomes hard to wake and their blood pressure drops. What do you do?

What they are checking: Whether they act fast, call for help and escalate appropriately.

How do you handle a family member who is angry about wait times at 3 a.m.?

What they are checking: Whether they stay calm and caring while keeping the department running.

A patient with a mental health crisis is becoming aggressive. How do you respond?

What they are checking: Whether they use de-escalation and keep themselves, the patient and others safe.

About the work

Tell me how you triage several patients arriving at the same time.

What they are checking: Whether they can quickly sort patients by acuity using a triage system like ESI.

What are the early signs of sepsis you watch for, and what do you do when you see them?

What they are checking: Whether they recognize sepsis early and know the steps that save lives.

How do you teach a patient about their discharge instructions so they understand them?

What they are checking: Whether they use teach-back and plain language with patients and families.

Practice this interview out loud.

Offer builds a real interview for this exact role at Mercyhealth from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by Mercyhealth.

OVERVIEW This role supports doctors and nurses by collecting patient information, providing treatments and approved medications, and documenting patient care. It also involves monitoring patients, maintaining supplies, helping different units when needed, and participating in activities that improve patient care. SCHEDULE: 36-hours per night SHIFT: Nights ESSENTIAL DUTIES AND RESPONSIBILITIES Under direct supervision of RN: • Collects patient data and documents in the medical record within scope. • Assists physician/RN with procedures as needed. • Reviews physician's orders, lab requests, or follow-up needs with patient. • Provides patient treatments as ordered within scope. • Documents care provided in the medical record. • Observes patients and reports adverse reactions to medication or treatment to the RN. • *Administers specified medications as allowed by policy and procedure and State Practice Act. • Maintains supplies, including scanning, stocking and ordering new supplies and disposing of expired or damaged supplies. • *Floats to various units based on identified need. • Participates in department and unit performance improvement activities. *Wisconsin only EDUCATION AND/OR EXPERIENCE Graduate of an accredited school of nursing (unlicensed and temporaries not granted) and/or failed licensing examination after employment in the Mercyhealth organization. CERTIFICATION/LICENSURE • Approved CPR or BLS certification required within 90 days (other certifications per unit requirements: ACLS, PALS, PEARS, NRP). • Licensed as RN in state of practice within 90 days. Extensions must be approved by HR and leader. OTHER S KILLS AND ABILITIES Computer Skills To perform this job successfully, basic computer skills are beneficial. LEVEL OF SUPERVISION N/A SUPERVISES This job has no supervisory responsibilities. Notes: Would give new grad 30 days from starting as a Nurse Tech 2 to be primary sourced on IDFPR. PAY RANGE: $34.45 - $51.68 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 a comprehensive benefits package including: • Medical, Dental, Vision • Life & Disability Insurance • FSA/HSA Options • Generous, accruing paid time off • Paid Parental and caregiver leave • Career advancement and educational opportunities • Tuition and certification reimbursement • Certification Reimbursement • Well-being Programs • Employee Discounts • On-Demand Pay • Financial Education • Annual recognition/awards events • Partner appreciation days • Family entertainment/attractions discount • Community service/improvement opportunities Click here for more details regarding Mercyhealth Careers Benefit Information. 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

Apply at Mercyhealth

More registered nurse emergency department roles