A retirement administrator or pension administrator is in charge of managing the day-to-day processes associated with a retirement plan for a business or multiple businesses. In this role, your responsibilities revolve around running the plan, with specific duties like ensuring funds are administered within the guidelines of IRS regulations, making the correct investment with plan assets, overseeing the financial efficiency of the 401k or pension plan, and ensuring benefits are being delivered correctly and promptly to employees or their beneficiaries. Although a retirement administrator may perform additional duties, your main focus is on ensuring the money within is properly allocated.