All employees of the City and County shall be appointed through competitive examination unless exempted by this Charter. The following positions shall be exempt from competitive civil service selection, appointment and removal procedures, and the person serving in the position shall serve at the pleasure of the appointing authority:
1. All supervisory and policy-level positions within the office of the Mayor and the office of the City Administrator;
2. All elected officers of the City and County and their chief deputies or chief assistants;
3. All members of commissions, boards and advisory committees;
4. Not more than one commission secretary for each commission or board;
5. All heads of agencies and departments, unless otherwise provided for herein;
6. All non-uniformed deputy heads of departments;
7. All uniformed deputy heads of departments, police commanders and Fire Chiefs aides;
8. Not more than one confidential secretary and executive assistant in each department and agency;
9. The Clerk of the Board of Supervisors, legislative analyst and assistants to the members of the Board of Supervisors.
10. All paraprofessional aides of the Unified School District and teaching instructional aides of the Community College District;
11. Persons employed in positions outside the City and County upon construction work being performed by the City and County when such positions are exempted from the classified civil service by an order of the civil service commission;
12. Persons employed in positions in any department for expert professional temporary services, when such positions are exempted from said classified civil service for a specified period of said temporary service by order of the civil service commission.
The proportion of full-time employees in the above exempt categories to the total number of civil service employees of the City and County shall not be greater than such proportion as existed on July 1, 1994, unless modified by Civil Service Commission rule, approved by the Board of Supervisors.
13. All attorneys, including an attorney to the Sheriff and an attorney for the Tax Collector, City Attorney's and District Attorney's investigators, hospital chief administrators, physicians and dentists serving in their professional capacity (except those physicians and dentists whose duties are significantly administrative or supervisory);
14. The law librarian, assistant law librarians, bookbinder of the Law Library, purchaser, curators, Assistant Sheriff, Deputy Port Director, Chief of the Bureau of Maritime Affairs, Director of Administration and Finance of the Port, Port Sales Manager, Port Traffic Manager, Chief Wharfinger, Port Commercial Property Manager, Actuary of the Employee's Retirement System, Director of the Zoo, Chief Veterinarian of the Zoo, Director of the Arboretum and Botanical Garden, Director of Employee Relations, Health Service Administrator, Executive Assistant to the Human Services Director, and any other positions designated as exempt under the 1932 Charter, as amended;
15. Positions determined by the Controller and approved annually by the Board of Supervisors to be positions where the work or services can be practically performed under private contract at a lesser cost than similar work performed by employees of the City and County, except where such work or services are required to be performed by officers or employees of the City and County under the provisions of this Charter or other applicable law.
In addition, with the approval of the Civil Service Commission, exempt employees shall include:
16. Temporary and seasonal appointments not to exceed the equivalent of half-time during any fiscal year, except that such positions may be filled through regular civil service procedures;
17. Appointments, which shall not exceed two years and shall not be renewable, as substitutes for civil service employees on leave, except that such positions may be filled through regular Civil Service procedures;
18. Appointments, which shall not exceed three years and shall not be renewable, for special projects and professional services with limited term funding, except that such positions may be filled through regular civil service procedures; and
19. Entry level positions designated by an appointing officer with approval of the Civil Service Commission for persons who met minimum qualifications and are certified as blind or severely disabled; persons so appointed whose job performance is rated satisfactory by their appointing officer shall after one year of continuous service acquire Civil Service status.