Faculty and staff who have been rehired after retiring from The Ohio State University are eligible for the following programs.

Faculty (75% FTE or greater) As a faculty returning retiree, you are automatically enrolled in STRS and pay into the STRS Money Purchase Plan (Link). You may also have access to the ARP if you were never previously offered enrollment in the ARP prior to your retirement. If you were in the ARP and were rehired less than 365 days from retirement, you will automatically be re-enrolled in the ARP. Returning retirees also have access to supplemental retirement plans.

Faculty (less than 75% FTE) As a faculty returning retiree, you are automatically enrolled in STRS and pay into the STRS Money Purchase Plan. Returning retirees also have access to supplemental retirement plans.

Staff (75% FTE or greater) As a staff returning retiree, you are automatically enrolled in OPERS. You may also have access to the ARP if you were never offered enrollment in the ARP prior to your retirement. Returning retirees also have access to supplemental retirement plans.

Staff (less than 75% FTE) As a staff returning retiree, you are automatically enrolled in OPERS and pay into the OPERS Money Purchase Plan(Link). Returning retirees also have access to supplemental retirement plans.

See the original post here:
Retirement Overview - Human Resources at Ohio State