To qualify for the GS-12: Your resume must demonstrate at least one year of specialized experience at or equivalent to the GS-11 grade level or pay band in the Federal service or equivalent experience in the private or public sector. Specialized experience must demonstrate the following: Experience applying various nuclear engineering methods, principles, and phases to solve complex issues of nuclear propulsion plants. Experience utilizing equipment specifications to determine requirements applicable to nuclear systems. Experience procuring materials needed to avoid delays and shortages. Experience performing assigned duties through written or oral communication. 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/engineering-technical-series-0802/. 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.