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Job description · Critical Care Nurses

ICU Nurse job description: duties, skills and qualifications.

The 16 core duties O*NET lists for ICU nurses, the skills, knowledge and education the work calls for, BLS pay and outlook, and an illustrative job description you can adapt.

Updated Nov 9, 2026 · Data: O*NET 31.0 · BLS Employment Projections 2025–35 · BLS OEWS May 2025
Quick answer

ICU Nurses provide specialized nursing care for patients in critical or coronary care units. The duties occupation experts rate most important: evaluate patients' vital signs or laboratory data to determine emergency intervention needs; monitor patients for changes in status and indications of conditions such as sepsis or shock and institute appropriate interventions; and administer medications intravenously, by injection, orally, through gastric tubes, or by other methods. BLS lists a bachelor's degree as the typical entry-level education for the broader occupation. BLS publishes pay for the broader occupation Registered Nurses: $97,550 a year ($46.90 an hour) median (May 2025).

Core duties
16
O*NET task statements
Preparation
Job Zone 4 of 5
considerable preparation
Typical entry education
Bachelor's degree
BLS 2025–35 · broader occupation
Median pay
$97,550
BLS May 2025 · broader occupation

Data Government data groups this job as Critical Care Nurses (O*NET-SOC 29-1141.03; BLS series “Registered Nurses”). O*NET figures on this page are for that occupation; BLS pay and projections are for the broader BLS occupation, labelled where shown.

Responsibilities

The 16 core duties of an ICU Nurse

Data O*NET classifies these tasks as core to the occupation, ranked here by the importance occupation experts gave them (1 to 5).

  1. Evaluate patients' vital signs or laboratory data to determine emergency intervention needs. importance 5.0 of 5
  2. Monitor patients for changes in status and indications of conditions such as sepsis or shock and institute appropriate interventions. importance 4.8 of 5
  3. Administer medications intravenously, by injection, orally, through gastric tubes, or by other methods. importance 4.8 of 5
  4. Monitor patients' fluid intake and output to detect emerging problems, such as fluid and electrolyte imbalances. importance 4.8 of 5
  5. Prioritize nursing care for assigned critically ill patients, based on assessment data or identified needs. importance 4.7 of 5
  6. Compile and analyze data obtained from monitoring or diagnostic tests. importance 4.7 of 5
  7. Conduct pulmonary assessments to identify abnormal respiratory patterns or breathing sounds that indicate problems. importance 4.7 of 5
  8. Assess patients' pain levels or sedation requirements. importance 4.6 of 5
  9. Collaborate with other health care professionals to develop and revise treatment plans, based on identified needs and assessment data. importance 4.6 of 5
  10. Document patients' medical histories and assessment findings. importance 4.5 of 5
  11. Collect specimens for laboratory tests. importance 4.5 of 5
  12. Set up and monitor medical equipment and devices such as cardiac monitors, mechanical ventilators and alarms, oxygen delivery devices, transducers, or pressure lines. importance 4.4 of 5
  13. Administer blood and blood products, monitoring patients for signs and symptoms related to transfusion reactions. importance 4.4 of 5
  14. Advocate for patients' and families' needs, or provide emotional support for patients and their families. importance 4.4 of 5
  15. Assess family adaptation levels and coping skills to determine whether intervention is needed. importance 4.2 of 5
  16. Perform approved therapeutic or diagnostic procedures, based upon patients' clinical status. importance 4.2 of 5

Work activities O*NET rates most important here: Assisting and Caring for Others, Getting Information, Making Decisions and Solving Problems, Identifying Objects, Actions, and Events and Updating and Using Relevant Knowledge.

Skills and knowledge

What an ICU nurse job asks you to be good at

Data O*NET importance ratings for this occupation, highest first.

MonitoringSocial PerceptivenessService OrientationReading ComprehensionActive ListeningSpeakingCritical ThinkingCoordination

Knowledge areas: Medicine and Dentistry, Customer and Personal Service, Psychology, English Language and Biology.

Software O*NET lists for this occupation: Epic Systems, MEDITECH software, eClinicalWorks EHR software, Microsoft Office software, Microsoft SharePoint, Allscripts Professional EHR. These are examples O*NET records for the job, not a list of tools every employer uses or a checklist of what you must know.

Qualifications

Education and experience for ICU nurses

Data BLS Employment Projections 2025–35 and O*NET 31.0.

  • Education: BLS lists a bachelor's degree as the typical entry-level education for the broader occupation.
  • Experience: BLS lists no work experience in a related occupation as typical to enter.
  • Training on the job: BLS lists no typical on-the-job training once hired.
  • Preparation: O*NET places the job in Job Zone 4 of 5 (considerable preparation). A considerable amount of work-related skill, knowledge, or experience is needed for these occupations.
  • Licenses and certifications: not listed here. A license is a legal requirement set by a state; a certification is a credential from a private or professional body. Rules vary by state and employer, and a missing entry on this page does not mean none is required: check with your state's licensing board and see how to become an ICU nurse.

The most common answer among O*NET's occupation experts for this occupation is a bachelor's degree (50%).

Sample job description

ICU Nurse job description template

Advice Assembled from the O*NET and BLS data on this page. Copy it, then replace every bracket.

Template · illustrative
Job title: ICU Nurse
[Company] · [City, State] · [Full-time or part-time] · [Pay range, where your state requires one]

About the role
[Company] is hiring an ICU Nurse to provide specialized nursing care for patients in critical or coronary care units.
[One sentence on your team and why this role matters.]

What you will do
- Evaluate patients' vital signs or laboratory data to determine emergency intervention needs.
- Monitor patients for changes in status and indications of conditions such as sepsis or shock and institute appropriate interventions.
- Administer medications intravenously, by injection, orally, through gastric tubes, or by other methods.
- Monitor patients' fluid intake and output to detect emerging problems, such as fluid and electrolyte imbalances.
- Prioritize nursing care for assigned critically ill patients, based on assessment data or identified needs.
- Compile and analyze data obtained from monitoring or diagnostic tests.
- Conduct pulmonary assessments to identify abnormal respiratory patterns or breathing sounds that indicate problems.
- Assess patients' pain levels or sedation requirements.

What we are looking for
- [Education: BLS lists a bachelor's degree as typical for this occupation; set the level this role truly needs]
- [Experience: BLS lists no related work experience as typical to enter; set what this role needs]
- Strength in monitoring, social perceptiveness and service orientation
- Working knowledge of Medicine and Dentistry and Customer and Personal Service
- [Software your team uses, e.g. Epic Systems or MEDITECH software]
- [Any license or certification your state or company requires]

[Schedule, benefits and how to apply]

Illustrative: every name, employer, school, date and number in these samples is fictional or a bracketed placeholder. Replace each bracket with your own true details; never copy a result you did not achieve.

Not a real job posting. This template is TryHired's illustration built from government occupational data. It is not an opening at any employer, and no employer wrote it.

Pay and outlook

What ICU nurses earn and where the job is headed

Data BLS OEWS May 2025 and BLS Employment Projections 2025–35.

For the broader BLS occupation Registered Nurses, the median annual wage was $97,550 in May 2025. The broader occupation's median hourly wage was $46.90.

BLS counts the O*NET occupation Critical Care Nurses within Registered Nurses and publishes no separate wage for it, so the figure is for that broader occupation.

BLS projects employment in the broader occupation Registered nurses to grow 5.6% from 2025 to 2035, with about 180,800 openings a year over that period, including openings to replace workers who leave.

See the full ICU nurse salary breakdown by percentile, state and metro.

Using it in your search

How to read an ICU nurse job description

Advice

  • Read a real ICU nurse posting next to the core duties above. Duties it repeats, such as “Evaluate patients' vital signs or laboratory data to determine…”, tell you what that employer weighs most; anything it adds is specific to that team.
  • Tailor your resume to the posting, not to this page: describe only ICU nurse work you have actually done, with your own results.
  • Prepare a story for each of the top-rated skills (monitoring and social perceptiveness); ICU nurse interview questions turns them into practice questions.
Explore the role

More on ICU nurses

FAQ

Questions people ask

What does an ICU nurse do?
ICU Nurses provide specialized nursing care for patients in critical or coronary care units.
What are the main duties of an ICU nurse?
The core duties O*NET lists include: evaluate patients' vital signs or laboratory data to determine emergency intervention needs; monitor patients for changes in status and indications of conditions such as sepsis or shock and institute appropriate interventions; administer medications intravenously, by injection, orally, through gastric tubes, or by other methods; monitor patients' fluid intake and output to detect emerging problems, such as fluid and electrolyte imbalances; prioritize nursing care for assigned critically ill patients, based on assessment data or identified needs.
What qualifications does an ICU nurse need?
Education: BLS lists a bachelor's degree as the typical entry-level education for the broader occupation. Experience: BLS lists no work experience in a related occupation as typical to enter. Training on the job: BLS lists no typical on-the-job training once hired.
What skills does an ICU nurse need?
O*NET rates these skills most important: monitoring, social perceptiveness, service orientation, reading comprehension and active listening. Key knowledge areas: medicine and dentistry, customer and personal service and psychology.
How much does an ICU nurse make?
BLS publishes pay for the broader occupation Registered Nurses: a median of $97,550 a year in May 2025.
Is the sample job description a real posting?
No. It is an illustrative template TryHired assembled from O*NET and BLS data for this occupation. Every bracket is a placeholder for the employer to fill in.
Method

How this page is built

Duties, work activities, skills, knowledge, software and the Job Zone come from O*NET 31.0 for O*NET-SOC 29-1141.03 (Critical Care Nurses), the occupation TryHired's ICU nurse page maps this job to. Task importance is rated 1 to 5 by occupation experts. Typical entry-level education, experience, training and projections come from BLS Employment Projections 2025–35; pay from BLS OEWS May 2025 for the broader BLS occupation. The sample job description is an illustrative template assembled from those data, not a real posting.

This page includes information from the O*NET® 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. TryHired has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications.

What this page can't tell you
  • How a specific employer defines the job: real postings differ by team and location.
  • Junior, mid-level and senior versions of the job: O*NET and BLS describe the occupation as a whole, so this page does not invent levels.
  • Licensing or certification rules where you live.
Sources
  1. O*NET 31.0 Database, U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license. TryHired selected, ranked and combined the data; O*NET is not responsible for these pages.
  2. U.S. Bureau of Labor Statistics, Employment Projections program, occupational projections 2025–35 (typical entry-level education, work experience, on-the-job training, projected employment and openings; public domain).
  3. U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025 estimates (public domain).