JOB SUMMARY: This position is in Region 4, Laboratory Services and Applied Science Division, Field Services Branch, Water Quality Section. About Region 4. This is an office-centered position--you must physically report to the duty station stated in this announcement on a regular basis. EPA offers work-from-home and work schedule flexibilities as described in the Benefits section. MAJOR DUTIES: You will: Serve as a technical authority on complex biological processes associated with aquatic systems with emphasis on biological conditions and indicators of impairment. Serve as project leader in planning, developing, organizing, and executing broad-based environmental and biological studies. Provide technical assistance and training to local, State, Tribal, EPA and other Federal agencies, and non-governmental organizations involved in biological assessment, especially those related to water programs. Participate as a senior scientist and/or project leader on bioassessment and/or water quality project teams to assure accomplishment of project objectives related to a wide range of scientific study and program support. You will spend less than 25% of your work time on contracts, grants/cooperative agreements, and/or interagency agreements. One or more positions may be filled (in the organization advertised and/or in other organizations), if appropriate to the position. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.