Applicants must meet all qualifications and eligibility requirements by the closing date of the announcement, including specialized experience and/or education, as defined below. BASIC REQUIREMENT: Degree: biological sciences, agriculture, natural resource management, chemistry, or related disciplines appropriate to the position. OR Combination of education and experience: post high school education with courses equivalent to a major, which is defined as 24 semester/36 quarter hours, in the biological sciences, agriculture, natural resources management, chemistry or related disciplines appropriate to the position, PLUS appropriate experience or additional course work. FOR THE GS-12 LEVEL: Applicants must have one year of specialized experience (equivalent to the GS-11 level) that may have been obtained in the private or public (local, county, state, Federal) sectors which demonstrates: Demonstrated experience of agricultural and biological sciences, or mathematical statistics, or related disciplines (e.g., plant science, entomology, plant pathology) to integrate scientific knowledge into regulatory and compliance programs. Demonstrated experience interpreting and applying federal regulations, guidelines, and scientific literature to regulatory decisions, risk assessments, and program development. Demonstrated experience with qualitative and quantitative methods, including statistical analysis, risk assessment methodologies, or geographic information systems (GIS). Originate new methodologies and solve novel scientific problems. Demonstrated written and oral communication skills, including preparing scientific reports, delivering technical presentations, and explaining regulatory decisions to general audiences. Demonstrated professional knowledge of mathematical statistics including application of advanced statistical modeling, quantitative risk assessment, and development of new analytical methods. Note: There is no education substitution for this grade level. TRANSCRIPTS are required: This position requires specific coursework or a degree in a specific field to be basically qualified. This education must have been successfully completed and obtained from an accredited school, college, or university. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.