Job evaluation is an essential procedure for improving organisational performance. The research aims to determine the effect of job assessment methods on employee motivation, performance, and responsibility. A standardised questionnaire was used to collect data from a convenience sample of 1000 respondents, and methods such as percentage analyses, ANOVAs, and independent t-tests were used. According to the study’s results, job assessment techniques significantly impacted employee motivation and performance. Furthermore, it has been shown that job assessment methods are significantly related to employee motivation and performance. The study’s findings indicate significant variations in job evaluation techniques, employee motivation and performance, and staff responsibilities between the public and private sectors.