What Does IT Management Service Mean? IT management service refers to an ongoing service that manages and oversees the IT infrastructure of an organization responsible for network and data communication operations. It is a broad term that encompasses all the IT-central technological, management, and operational guidelines, policies, and procedures performed by a service provider. Techopedia Explains IT Management Service IT management services are primarily used for managing the network environment of an organization and are typically delivered by a third party or external IT service provider under a formal contract or service agreement. These services can include enterprise network management, monitoring, security, capacity planning, performance monitoring, continuous technical support, etc.