The plan will also search for private debt and infrastructure managers later this year.
The plan will issue a private credit RFP in July that will be open to diversified, direct lending and senior secured strategies.
The town is searching for administrative, investment advisory and actuarial services for its plans.
The terminations include three underperforming managers.
Four outsourced cio providers were interviewed for the mandate.
The plan terminated two managers as part of a non-U.S. equity structure study.
The cio is retiring after nearly 25 years with the plan.
The managing director will be responsible for emerging managers, durable capital and government excellence.
The commitments target energy and digital infrastructure.
The retirement system also made two private equity commitments last month.