OR Education: Applicants may substitute education for the required experience. To qualify based on education for this grade level you must have successfully completed 1 full year of graduate level education or superior academic achievement that demonstrates the knowledge, skills, and abilities necessary to do the work of this position, OR Combination: Applicants may also combine education and experience to qualify at this level. You must have an combination of specialized experience and education beyond a bachelors degree that may be used to qualify applicants for the GS-7 grade level.Inventory Management Specialist, GS-9Specialized Experience: You must have one year of specialized experience equivalent to at least the next lower grade GS-7 in the normal line of progression for the occupation in the organization. Examples of specialized experience would typically include, but are not limited to: