Following are the three main types of employees which are working in hi tech field.
Hardware:
Employees working in hardware-oriented companies are responsible for developing and maintaining electronic communications infrastructures along computers for both businesses as well as home users. They also manufacture big computers known as servers which are needed in businesses. When businesses purchase computers and servers from a particular company, this company's hardware employees arrange the computers, linking them to each other and the server. In this way, they ensure that all computers have common set of resources available with them and they communicate with each other through networking. Hardware employees are responsible for deciding the computer clusters architecture and the resources available to them.
Software:
Software employees are responsible for designing and developing programs which are used to operate computer hardware or infrastructures. Software programmers develop programs by typing code and commands on the computers. Basically software program is an interface between people and hardware. Such interfaces are also used to develop software for some specific purposes for the businesses. This software is called application software
These days, they also develop programs for networks as well as the Internet. While designing software for this, they ensure that data stream efficiently between computers within a business, or to and from a web site. Also they are responsible for keeping data safe and secure. That means only authorized people can access sensitive data.
Support:
Since the hardware as well as software departments in the majority companies are big and intricate, there is a need of a separate department in order plan and support these departments. Job opportunities in support are in customer care, testing, managerial and leadership departments. Analysts and managers are responsible for taking decision regarding the future of IT infrastructures. They always study new technology and ensure business runs more effectively. They evaluate the costs and benefits of purchasing new hardware or updating existing systems.
It is a responsibility of quality assurance testers to ensure that the systems are performing as per the plan. It is important to conduct performing tests in order to find out that system are working as per plan and the investments are worth in terms of cost and effect in the long turn. Employees working in customer, sales and user support people are responsible for guiding employees on how to operate the systems and maintaining the systems are in fine working condition. They also assist customers regarding how to use the software, information or hardware that the company offers.