Upon satisfactory completion of the 12-month training at the Trainee 1, you will automatically advance to Trainee 2. Administrative Assistant Trainee 2: One year of experience in administrative support, which includes use of office software (e.g., email, word processing), provision of customer service, business writing, and/or office administration. Substitutions for Administrative Assistant 1: Certification (e.g., IAAP Certified Administrative Professional) or associate's degree in office administration, secretarial science, administrative assistance, paralegal, business technology, or office technology substitutes for two years of experience.