Whenever any retired member of the Rhode Island state police shall be an employee of the state or any of its agencies, commissions, or bureaus in any capacity, other than as a member of the state police, as defined in chapter 8 of this title, that employee shall be eligible to participate and receive benefits as provided in chapters 8 — 10 of this title; provided, however, that in no event shall any retired member collect a state police pension while in the employ of the state as provided herein, nor shall any years of service for which the member is eligible for a state police pension be included in or added to the members’ credits for eligibility or for benefits under chapters 8 to 10 of this title.