Maintain frequent communications with outside counsel on administrative and legal matters; communicates with supervisor, employees, retirees, other department, board members, county officials, investment managers, bank personnel, trustees, third party administrators, attorney, auditors, vendors, government agencies, the public, outside organizations, and other individuals as needed to coordinate work activities, review status of work, exchange information, or resolve problems. Prepares benefit certifications for plan participants; conduct pre-retirement planning for plan participants, to include optimization of estimated benefits for multiple dates of termination and optimal use of sick leave; supervises execution of plan retirement documents for participant retirements.