Careers in IT

Webmaster

The technician in charge of maintaining a web.They :
write the HTML for Web pages
replies emails received by the website
make sure the site is always updated

Computer support Specialist

These people find solutions to problems in computer function. They :

listen to customer complaints

walk customers through possible solutions

write technical reports based on their work

Technical writer

This person helps non-technical persons to understand technical jargon or issues. They: 

writes up FAQs, technical definitions, and product descriptions on websites

write software and hardware documentation

Software engineer

This person works to design or modify software to make it of better quality, maintainable, and more cost efficient (cheaper and faster to build). They:

do research and write up new programs
test new software
analyze and assess the requirements of users
and many more..

Network administrator

The administrator manages an existing network in a company/organization. They:
Modify the system to tailor to the individual company's needs
Tackle viruses and other problems in the network

Data administrator

The individual who designs, maintains, and repairs databases. Also known as a "Database Analyst", they:
Maintain the database
Control the information shown to users of different clearance level
Monitor database performance
Update the security of the database and back up

System analyst

One in charge of selecting the system suitable for a business or client and then configuring it. They:

Create a plan for system flow from scratch.

Communicate with clients to find out the overall purpose of the computers and also each individual workers' needs.

Choose the software and hardware optimum for that certain client, knowing fully the pros and cons of each system.

Test the selected system.

Implement the final system.

Programmer

Programmers develop the source code which are languages or instructions for configuration of computer systems.

Design programs. 

Write and maintain the source code.

Test and troubleshoot program.