This senior Mainframe System Administrator role supports critical Department of Transportation applications within a hybrid team in Springfield, Illinois. The position focuses on maintaining and enhancing legacy NOMAD systems, including Human Resources and Time Keeping platforms, while preparing them for migration to a statewide ERP. Key responsibilities involve performing system enhancements, troubleshooting defects, managing data extracts, and documenting architecture for knowledge transfer. The role offers the appeal of working on significant modernization initiatives that bridge legacy technology with future state goals. The work arrangement is hybrid, requiring two days onsite and three days remote, with a long-term contract duration of three years.