What Are the Functions of Jobs in an IT Department? Jobs in an IT department fall into six main areas. Management directs the planning, research, development, evaluation, and integration of technology. System development and programming analyzes, designs, develops, and implements new information technology and maintains and improves existing systems. Technical services evaluates and integrates new technologies, administers the organization's data resources, and supports the centralized computer operating system and servers. Operations operates the centralized computer equipment and administers the network, including both data and voice communications. Training teaches employees how to use components of the information system or answers specific questions. Security develops and enforces policies designed to safeguard data and information from unauthorized users.