The IT Department develops and maintains a company’s information systems. the IT structure varies among companies.  The following  information shows a typical IT Roles  in a company that has networked PCs.

Application Development: Group of system Analyst and Programmer who handle information system design, development and implementation.

Systems Support and Security: implements and monitors physical and electronic security hardware, software and procedures. They provide vital protection and maintenance’s services for system hardware and software including enterprise computing systems, networks, transaction processing systems and corporate IT infrastructure.

User Support:  is also called help desk or information center, they provide users with technical information, training and productivity support.

Database Administrator:  involves Database design, management, security, backup and user access.

Network Administration: includes hardware and software maintenance, support, and security. in addition to controlling user access, network, administrators install, configure manage,monitor and maintain network applications.

Web Support: Is a vital technical support function, often calls WEBMASTERS, support company’s Internet and Intranet operations, involves web page design and construction, monitoring traffic, managing hardware and software and linking Web Base applications to the company’s existing information systems.

The System Analyst Position:The system Analyst investigate, analyses design, develops, installs, evaluates, and maintains a company’s information sytems. they constantly interacts with users and managers within and outside the company to perform these roles. The system Analyst’s job overlaps business and technical issues. Analysts help translate business requirement into IT projects. A system analyst plans projects,develops schedules and estimates cost. To keep managers and users informed.