The current consultant will see its contract expire next June.
The retirement system is searching for two open-end core managers to handle $40 million.
The plan also terminated three equity mandates as part of a domestic equity portfolio restructuring.
The retirement system also recently made private markets commitments totaling $16.5 million.
The plan launched a search over the summer due to performance concerns with two incumbents.
The pension funds added a $300 million investment to an existing manager relationship.
The pension plan also hired three core real estate managers this week.
The plan doubled its value-add real estate target allocation over the summer.
The board also disclosed a fixed-income manager termination last week.
The transaction is expected to close in the fourth quarter.