Qualification requirements in the vacancy announcements are based on the U.S. Office of Personnel Management (OPM) Qualification Standards Handbook, which contains federal qualification standards. This handbook is available on the Office of Personnel Management's website located at: https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/ EDUCATION: There is no positive education requirement for this position. SPECIALIZED EXPERIENCE: Applicants must possess one year of specialized experience equivalent in difficulty and responsibility to the next lower grade level in the Federal Service. Specialized experience is experience that has equipped the applicant with the particular competencies/knowledge, skills and abilities to successfully perform the duties of the position. This experience need not have been in the federal government. 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. To qualify at the ZA-4 or GS-13 level: SPECIALIZED EXPERIENCE: Applicants must possess one full year (52 weeks) of specialized experience equivalent to the ZA-3 or GS-12 in the Federal service. Specialized experience MUST include all of the following: Performing acquisition tasks involved in the procurement of supplies, services, construction, or research and development; Providing acquisition policy guidance and recommendations to management; and Leading projects or teams (e.g. assigning work, setting priorities, reviewing or evaluating work).