The kidneys perform several functions, one of which is filtering excess wastes and minerals out of the blood. When the kidneys do not work properly due to kidney failure or damage, they are not able to perform this function. Some people receive hemodialysis, which is when a machine filters the blood and returns it to the body. Dialysis nurses have special training to help them work with patients undergoing this treatment.Job DutiesDialysis nurses care for patients who have kidney disease and other kidney problems. Depending on the setting, a dialysis nurse may educate patients about dialysis, maintain dialysis equipment, take patient vital signs, oversee the entire dialysis process and answer patient questions. Some dialysis nurses work in hospitals or clinics, but others make home visits to care for their patients.Knowledge, Skills and AbilitiesThis career requires a strong knowledge of the urinary system and how the kidneys function. Dialysis nurses should be able to set up dialysis equipment and use the machines properly. Basic nursing skills, such as the ability to take accurate vital signs, document patient care and educate patients about the process, are essential. Dialysis nurses must work well with others, as they have to communicate with patients, physicians, social workers and other medical professionals.SalarySalary.com reports that the median annual salary for a dialysis nurse is $69,891. The salary for this position varies based on geographic location, work setting and experience level. For dialysis nurses with less than one year of experience, the annual salary range is $63,043 to $68,494. Dialysis nurses need acute nursing experience, which is why the starting salary for this position is higher than other types of nursing positions.CertificationWhile not all employers require dialysis nurse certification, it is available for nurses who want to enhance their careers. Nurses must complete a minimum of 2,000 hours of hands-on nephrology nursing before they are eligible to apply for the certification. This professional designation also requires a minimum of 15 hours of continuing education in dialysis nursing or nephrology nursing before a nurse is eligible to apply.