It shall be the policy of the city to recruit and select the most qualified persons for positions in city service. It shall be the responsibility of the City Manager to insure that this policy is carried out by the following means:
(A) Conduct recruitment and selection in an affirmative manner to insure open competition;
(B) Provide equal employment opportunity;
(C) Prohibit discrimination because of race, age, politics, religion, sex, national origin, mental or physical handicap, or any other non-merit factors.