High turnover in the manufacturing sector remains a major challenge for companies, including CV. Sido
Hidup Makmur operating in a competitive industrial landscape. This study investigates the influence of
career development on employee retention, with job satisfaction as a mediator and work-life balance as
a moderator. A quantitative approach using SEM-PLS was applied to data collected from 68 employees.
The findings reveal that career development significantly and positively impacts both job satisfaction
and employee retention. Moreover, job satisfaction mediates the relationship between career
development and retention, while work-life balance strengthens the effect of career development on job
satisfaction. The R-square value of 0.683 indicates that the combination of these variables substantially
explains employee retention. The study’s implications highlight the importance of providing clear career
paths, supportive work environments, and policies that enable work-life balance, thereby increasing
employee loyalty and reducing turnover in the long term.
Keywords: Career Development, Job Satisfaction, Employee Retention, Work-Life Balance.