The plan will invest 2.5% each into value and growth strategies.
The retirement system also eliminated its target allocation to multi-asset class solutions last month.
The search is to potentially augment or replace existing portfolio allocations.
The retirement fund terminated two equity managers and disclosed commitments totaling $1.7 billion in August.
The deferred compensation plan replaced its domestic small-cap growth and international large-cap value equity managers last month.
The hires followed closed session deliberations.
The plan’s incumbent large-cap value manager is planning to shut its doors next month.
The plan is seeking index managers to handle a total of $45 million.
The retirement system also replaced two underperforming equity managers in the second quarter.
The retirement system is seeking a replacement for a recently terminated domestic equity manager.