The plan also replaced its discretionary private equity and private credit consultant.
The retirement association began a search over the summer after increasing its long duration credit target.
The city is seeking one or more firms to manage its eight investment portfolios.
The retirement system is looking to invest up to $77 million between the two strategies.
The plan will interview three firms for a $35 million mandate.
The fund is seeking firms to manage two investment grade private placement mandates.
The retirement systems are looking for non-core real estate managers to handle a total of $43 million.
The retirement system also committed more than $1.5 billion to private markets.
The plan also promoted two analysts to associates this month.
The hires follow an RFI issued last month for managers to handle more than $1 billion.