The selected firm will serve for an initial two-year term.
The incumbent outsourced cio was first hired in 2017.
The search will target multiple managers to each handle a maximum of $600 million.
The plan, whose incumbent was first hired in 2016, is seeking managers to handle between $30 million and $40 million.
The plan will launch a credit manager RFP next month to fill a maiden allocation to the asset class.
The county rehired Public Trust Advisors for the services in 2019.
City is seeking an investment manager to maximize earnings safely while meeting daily cash flow needs.
The plan will first issue RFPs for global infrastructure and tactical asset allocation managers.
The plan will begin a search for core fixed-income managers next month.
The fund has issued an RFP seeking investment managers to serve as a fiduciary for the funds, develop a balanced investment portfolio of growth and income and advise on asset allocation.