Your resume must demonstrate at least one year of specialized experience equivalent to the next lower grade level (GS-11) or pay band in the federal service or equivalent experience in the private or public sector. Specialized experience includes duties related to the following: Providing authoritative security program guidance involving Physical, Personnel, Information, Operations, and Industrial Security based on regulations, policy, or guidance from higher headquarters over subordinate security specialists within area of responsibility (AOR); Independently resolving issues involving conflicting security requirements; Administering portions of the Command Personnel Security Program; Assisting in the development of security education program and delivering training. Additional qualification information can be found from the following Office of Personnel Management web site: https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/#url=List-by-Occupational-Series Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (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.