Specialized Experience: You qualify for the GS-12 grade level if you possess one year of specialized experience, equivalent to the GS-11 grade level in the Federal government, performing duties such as: 1) Conducting reviews of the full range of contracts, contracting plans, and contract changes for propriety of acquisitions methods, contract types, and documentation; 2) Analyzing procurement regulations to explain contract requirements to contracting personnel, contractors, and reviewing officials; 3) Applying contractual performance requirements, technical data, regulations, and guidelines to remedy performance problems; and 4) Ensuring customer needs are appropriately and efficiently met through contract services. Provide evidence of your intellectual disability, severe physical disability, or psychiatric disability 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 benefit.