The study was carried out to investigate flexible work weeks and performance of civil service commission of South-South-Nigeria. The objective was to examine the influence of job sharing on quality-of-service delivery in South-South Nigeria. A cross-sectional Survey research design was adopted for the study. The population of the study was 9798 employees with a sample size of 370 which was determined using Krejcie and Morgan Table formula for sample size determination of 1970. Data were collected through the use of questionnaire and interview and were administered to 370 respondents out of which 363 copies of questionnaire were filled and returned. Data were analysed using simple linear regression analysis. Findings indicated that job sharing and compressed work weeks statistically have significant influence on quality-of-service delivery of civil service commission in South-South Nigeria. It was concluded that there was a significant and positive influence of job sharing and compressed work weeks on quality-of-service delivery of civil service commission in South-South Nigeria. Therefore, it was recommended that The Civil Service Commission should formally institutionalize job sharing and compressed work week policies through clear guidelines, monitoring frameworks, and performance benchmarks to ensure consistency, accountability, and measurable improvements in service delivery.