N.Y. Elec. Law § 3-300
Every board of elections shall appoint, and at its pleasure remove, clerks, voting machine technicians, custodians and other employees, fix their number, prescribe their duties, fix their titles and rank and establish their salaries within the amounts appropriated therefor by the local legislative body and shall secure in the appointment of employees of the board of elections equal representation of the major political parties. Every commissioner in each board of elections except for commissioners of the board of elections of the city of New York, may approve and at pleasure remove a deputy, establish his title and prescribe his duties. In the city of New York, the board of elections shall appoint an executive director and a deputy executive director whose duties it shall be to supervise the operations of the board of elections under the supervision of such board.
N.Y. Elec. Law § 3-300