Serengeti Breweries Limited (SBL) Jobs at Mwanza Nafasi za Kazi On 9.12.16 Receive New Jobs everyday to your inbox. New Jobs Tanzania. Related Post:Assistant Marketing Officer – 5 PostsAssistant Marketing Officers Vacancies Lumbika & Co. LimitedRegional Health Services Quality Assurance Coordinator - 2 PostsContent Manager Vacancy East African Community (EAC) Application Deadline: 24 January 2017Assistant Marketing Officer – 5 Posts