To obtain employment with the city, an applicant must:
(1) be at least 16 years of age, unless otherwise approved under a federally-sponsored program, or be at least 15 years of age for employment in a seasonal position as a summer lifeguard in the Park and Recreation Department, in accordance with state and federal laws governing employment of persons age 15 years;
(2) be eligible to work in the United States in accordance with the federal Immigration Reform and Control Act, as amended;
(3) have a social security number;
(4) agree to be fingerprinted, if requested;
(5) take a polygraph examination related specifically to job performance, for positions designated by the director of human resources; and