Mozaic formerly Arc of Seneca Cayuga and Arc of Yates is hiring for a. Custodial Supervisor. This position will be responsible for crew leaders in Cayuga, Seneca and Yates county. This position will maintain quality control along with providing training to crew leaders. Mozaic formerly Arc of Seneca Cayuga and Arc of Yates is hiring for a. Custodial Supervisor. This position will be responsible for crew leaders in Cayuga, Seneca and Yates county. This position will maintain quality control along with providing training to crew leaders. Custodial Supervisor Required Experience:. - One (1) year... view job details