All offices and positions of the city are divided into classified service and exempt service as provided thereinbelow:
A. Exempt Service:
1. All elected officials and persons appointed to fill vacancies in elective offices.
2. The City Manager.
3. Members of appointed boards, commissions, or committees.
4. Persons engaged under contract to supply expert professional, technical or other services.
5. Volunteer personnel appointed to serve without compensation.
6. City Attorney, City Judge.
7. Emergency employees who are hired to meet immediate requirements of an emergency condition, such as extraordinary fire, flood or earthquake which threatens life or property.
8. Seasonal employees who work less than six months in the year, or who are expected to and do work part-time for less than 1,000 hours in a year.
9. Persons jointly employed by the municipality and some other governmental agency.
B. The classified service shall include all other full-time positions in the City service which are not specifically placed in the exempt service by this ordinance.