In order to qualify for a Public Health Analyst, GS-0685 position at the GS-13 level, you must have: 1 year of specialized experience equivalent to at least the GS-12 level in the federal service obtained in either the private or public sector, performing the following types of tasks: leading studies to assess the planning, organization, evaluation, and implementation of public health programs; overseeing the allocation and management of funding to ensure alignment with public health program goals; developing data collection strategies, tools, and guidelines to support program evaluation and reporting; and researching and preparing responses to ad-hoc or recurring inquiries received. Schedule A (Disability Appointment): Documentation of eligibility for employment under Schedule A can be obtained from a licensed medical professional (e.g., a physician or other medical professional certified by a state, the District of Columbia, or a U.S. territory to practice medicine); a licensed vocational rehabilitation specialist (i.e., state or private); or any Federal agency, state agency, or agency of the District of Columbia or a U.S. territory that issues or provides disability benefits.