The Columbia River Inter-Tribal Fish Commission assists four tribes in the co-management of their treaty rights within the Columbia River Basin. The position offered is associated with the Commission’s Fishery Science Department. This research group is engaged in several investigations of stock composition, identification, and structure, as well as development and evaluation of restoration strategies for Pacific salmonids. Specific areas of research covered under this announcement include the investigation of the length, age and stock composition of salmon and steelhead passing Bonneville dam. The Fishery Technician III will be responsible for collecting a variety of biological data and samples from several fish species under field conditions.