A collection officer's job is to collect debts on behalf of a company or organization. Their responsibilities include: Identifying debtors: Identifying customers with outstanding debts Contacting debtors: Contacting debtors by phone, mail, or registered mail to notify them of overdue payments A collection officer's job is to collect debts on behalf of a company or organization. Their responsibilities include: Identifying debtors: Identifying customers with outstanding debts Contacting debtors: Contacting debtors by phone, mail, or registered mail to notify them of overdue payments