Your resume must demonstrate at least one year of specialized experience at or equivalent to the ND-04 (GS-12/13 equivalent) pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: as a professional engineer, performing project management leadership in support of the development and deployment of electronic warfare, ordnance or energetics technologies, and providing technical guidance to internal and external stakeholders. 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.