Applicants must meet all qualifications and eligibility requirements by the closing date of the announcement including specialized experience and/or education, as defined below. Applicants must have one year of specialized experience equivalent to the GS-07 grade level in the Federal service or equivalent responsibility in the private sector/pay systems. This specialized experience must include all the following: Writing computer programs and algorithms using software/programming languages such as, but not limited to Python, R, SAS, and SQL. Cleaning/transforming data to address issues such as missing values, outliers, duplicates, functional dependencies, etc. Training or experience extracting and transforming data from relational databases using Python, R, SAS, or SQL. To substitute education for experience, you must meet at least one of the individual occupational requirements identified in the education section of the announcement. AND You must possess a master's or equivalent graduate degree or 2 years of progressively higher-level graduate education leading to a master's degree. This education demonstrates the knowledge, skills, and abilities necessary to do the work of this position. OR Combination of Experience and Education: You must have an appropriate combination of successfully completed graduate level education and experience. The quality of the combination of education and experience must be sufficient to demonstrate that you possesses the knowledge, skills, and abilities required to perform work in the occupation. To determine your combination, first compute your experience as a percentage of the experience listed in the job announcement (1 year of specialized experience); then determine your education as a percentage of the education listed above; then add the two percentages. The total percentages must equal at least 100 percent. Only graduate education in excess of 1 year (18 semester hours) may be used to qualify. 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.