GS-11: Your resume must demonstrate at least one year of specialized experience at or equivalent to the GS-09 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: developing, monitoring, and implementing comprehensive environmental programs, including managing Hazwaste/Hazmat tracking systems, conducting compliance inspections, and managing environmental documentation; ability to research emerging regulatory requirements, identify and correct operational deficiencies, provide technical guidance on environmental contracts. GS-09: Your resume must demonstrate at least one year of specialized experience at or equivalent to the GS-07 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: ability to develop, monitor, and implement comprehensive environmental programs, including managing Hazwaste/Hazmat tracking systems, conducting compliance inspections under supervision; research emerging regulatory requirements, identify and correct operational deficiencies. 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.