Government Job Vacancies in Sri Lanka / Ministry of Water Supply Vacancies / National Water Supply and Drainage Board Job VacanciesDeputy General Manager (Internal Audit), Assistant General Manager (Human Resources) – National Water Supply and Drainage Board October 14, 2020October 14, 2020 Closing Date – 2020-October-26 English AdvertisementDownloadModel ApplicationDownloadSource – Sunday Observer (2020.10.11)