Transit Electro Mechanical Maintainer ((HVAC)), Exam No. 7616 Transit Electro Mechanical Maintainer (Ventilation and Drainage), Exam No. 7613 Transit Electro Mechanical Maintainer (Elevator and Escalator), Exam No. 7607 ATTENTION: Please click on an exam’s title below during the application period to view the Notice of Examination (NOE), which contains key details, including the requirements to compete in the exam, application instructions, any expected test dates, and other exam-specific test information. 1. Three years of full-time experience as a stock assistant, stock clerk, or stock worker in an industrial, manufacturing or wholesaling business or similar large-scale environment. which stocks railroad, bus, automotive, machine, aircraft or marine maintenance tools and production parts, plumbing, hardware, or sheet metal supplies and tools