Your resume must demonstrate at least one year of specialized experience at or equivalent to the NH-03 (GS-13 equivalency) pay band in the Federal service or equivalent experience in the private or public sector as a professional Engineer monitoring system performance to provide technical guidance for the maintenance, overhaul, or sustainment practices for surface ships or submarine systems. Additional qualification information can be found from the following Office of Personnel Management website: https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/#url=List-by-Occupational-Series AND https://www.opm.gov/policy-data-oversight/classification-qualifications/general-schedule-qualification-standards/0800/files/all-professional-engineering-positions-0800.pdf 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.