Government Job Vacancies Coconut Research Institute Lunuwila, Ministry of Plantation Industries. Applications are invited from the citizens of Sri lanka for the following posts in the coconut research institute. Coconut Research Institute Job vacancies Post of Estate superintendent, Post of experimental officer, Post of assistant seed and seedling production and certification officer, Post of field officer and Job Vacancies for Post of lab and field assistant. Willing to serve in any part of the country. Applications should have physical and mental fitness.