Objectives: This study aimed to asses' nurses' job satisfaction levels at hemodialysis units and to find out the relationship between nurses' job satisfaction and quality of nursing care. Methods: A descriptive cross-sectional design study was carried out among nursing working in hemodialysis units at Baquba Teaching Hospital and Baladrooz general Hospital, study starting from 14th December 2022 to 10th March 2023. A non-probability (purposive) sample of (80) nurses working in hemodialysis units in Baquba and Baladrooz Hospital. The study instruments consist of three parts; Part one is involved the demographic information of nurses (8) items; the second part is involved Job Satisfaction Scale for Clinical Nurses (JSS-CN), it is comprised of (38) items and observational checklist for nurses practices of hemodialysis procedures consist from (29) items. Content validity of the questionnaire was determine through a panel of (12) experts. Reliability of the instrument scales is determined by using Pearson Correlations (0.87, 084) for of job satisfaction scale and observational checklist for nurses practices respectively. The collected data will be categorized, scored, tabulated, and analyzed by computer using statistical package for social science (SPSS) version 25. Descriptive statistics will be used in the form of frequency distribution and percentages. Pearson correlation coefficient statistical tests were applied for data analysis. Results: Findings of the current study showed that (75%, 65%), of the studied nurses offered moderate job satisfaction level and good quality of nursing care respectively. There was highly statistically significant relation between job satisfaction and quality of nursing care offered to patient undergoing haemodialysis. Conclusion: This study concluded that, nearly three quarter of the nurses were coping with their jobs and they are satisfied to certain extent. However, nearly two third of them offered good quality of nursing care to patient undergoing hemodialysis. [ABSTRACT FROM AUTHOR]