For more information on eligibility requirements see: DEA Employment Eligibility Applicants must meet all of the required qualification requirements described below by the closing of this announcement. If you are qualifying based on education or if there are mandatory education requirements listed below, you MUST submit a copy of your college transcript with your application. Specialized 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, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. Applicants must meet the Basic Qualification - Individual Occupational Requirements (IOR) AND Specialized Experience requirements as noted below. Qualification claims will be subject to verification. Applicants applying for the GS-13 must meet one of the following requirements: A. Degree: that includes 24 semester hours of mathematics and statistics, of which at least 12 semester hours were in mathematics and 6 semester hours were in statistics. OR B. Combination of education and experience -- at least 24 semester hours of mathematics and statistics, including at least 12 hours in mathematics and 6 hours in statistics, as shown in A above, plus appropriate experience or additional education. Qualifying experience must demonstrate the following:A. Have at least one full year of qualifying specialized experience that is at least equivalent in difficulty and complexity to work performed at the GS-12 grade level. AND Specialized Experience Required GS-13: One year of specialized experience equivalent to at least the GS-12 level or pay band in the Federal service that includes performing at least four (4) of the six (6) the following duties: 1) Design, develop, and adapt mathematical methods and techniques to statistical processes; 2) Ensure the validity of statistical data for policy decisions and resource allocation; 3) Prepare complex technical reports, presentations and statistical materials based on data collected and analyzed; conduct research, collect data, reduce findings to facts, and interpret and document findings; 4) Use mathematical and statistical measures/models to resolve problems and make recommendations; 5) Defend/explain conclusions resulting from evaluation of data; or 6) Evaluate the precision and validity of estimates and investigate sources and magnitude of error in data. Additional information on the position qualification requirements are located in the Office of Personnel Management's (OPM) Qualifications Standards Handbook. Time-In-Grade Requirement: Applicants must meet time-in-grade and time after competitive appointment requirements by the closing date of this announcement.