Specifications include, but are not limited to: Prince William County (the County) issues this RFP to acquire a Human Capital Management (HCM) ERP Software as a Service (SaaS) solution (the "SaaS System Solution") for the major functional areas of the County's operations that include human resources, payroll, learning management, performance management, risk management and succession management. The SaaS System Solution consists of both the software solution (e.g. the software product and all associated modules required to meet the requirements of this RFP) and the SaaS environment (e.g. those services that allow the County to access the software solution and conduct daily business activities). The SaaS System Solution must provide the County with the capability to use the SaaS Solution Provider's software applications running in the SaaS Solution Provider's environment. The applications must be accessible from various County client devices (desktop and mobile devices) through a thin client interface such as a web browser and mobile application. Additionally, the SaaS Solution Provider must manage and control the underlying technical infrastructure, including network, servers, operating systems, storage, and, as applicable, individual application capabilities, with the possible exception of limited user-specific application configuration settings and as otherwise provided in this RFP. The SaaS System Solution shall be provided to the County in a multi-tenant or single tenant environment.