First Student is now hiring a Diesel Technician III for our shop serving Yonkers Public Schools, Mount Vernon City School District, City School District of New Rochelle, and New York City Public Schools in Yonkers, New York! As a Diesel Technician III with First Student, you will serve as an advanced member of the maintenance team, performing complex diagnostics, repairs, preventative maintenance, and inspections on school buses, vans, and other fleet vehicles.