Take a look at our Retirement Planning page. OPERS provides age and service retirement, disability benefit and survivor benefit programs for public employees throughout the state.Use the My Interactive Retirement Planner SM to find out how your financial decisions, assets and plan might affect your retirement. New members, you have 180 days from your start date to select one of the OPERS' retirement plans. Everyone's career path and retirement goals are different. Additionally, the Department provides a fillin worksheet to assist in the calculation of the credit. An annual return is required whether you have tax due or not. Retirement with SERS is a matter of eligibility. You must meet one of the age and service credit combinations to be eligible for a monthly, lifetime pension. Complete your retirement application.