The Contractor shall provide comprehensive cloud hosting, infrastructure, platform, database, operational, transition, and disaster recovery services to support the Centers for Disease Control and Prevention (CDC) Office of the Chief Information Officer (OCIO). Services shall include the management, operation, maintenance, modernization, security, and continuous improvement of CDC's on-premises, private cloud, public cloud, and hybrid cloud environments. The Contractor shall deliver secure, scalable, resilient, and highly available services that comply with all applicable Federal and CDC requirements, including FISMA, FedRAMP, NIST, and CDC cybersecurity and governance policies.