The retirement system also made two private equity commitments last month.
The office has issued an RFP seeking an investment advisor for its roughly $40 billion in assets, including its 529 programs.
The plans currently work with Innovest Portfolio Solutions.
The plan will commit $16 million to new private equity managers this year.
The county is seeking the services on behalf of its roughly $131.6 million investment portfolio.
The retirement plan is relaunching an RFP after the recent conclusion of its last search did not yield a hire.
The retirement fund added one new commitment and increased another pair last month.
The plan retained its general consultant and hired a new private markets consultant.
The retirement system made a follow-on private credit commitment earlier this week.
The firm raised approximately $1.1 billion in total capital commitments for two of its latest funds.