Incumbent RVK will see its contract expire on Dec. 31.
The executive director has been with the retirement system since 2008.
The fund has closed at its $5.6 billion hard cap.
The pension plan made three commitments totaling $187.5 million last week.
The transaction is slated to close in the third quarter.
The pension plan is seeking its next executive director following the dismissal of William Neville last year.
The retirement system made private equity commitments totaling $35 million in January.
The pension plan will conduct domestic large-cap and small-cap equity manager searches this year.
The pension plan was notified of two commitments totaling $175 million last week.
The pension plan also expects to launch its executive director search next week.