Introvert means a shy and reticent person.
Much against popular belief, not all introvert persons are shy, soft-spoken, and socially awkward. In fact, some introverted personality types boast excellent social skills and form rich relationships — they just prefer not to put as much energy into social interaction, or simply desire more alone time to rest and recharge.
As a matter of reality
Introverts thrive in professions that offer them plenty of space and independence and deep thinking/planning etc
Most introverts perform very well in workplaces with fewer external distractions.
Good jobs for introverts i feel are in accounting, engineering, and technical writing.
Working does not mean you have to be talking and interacting all the time.Mostly a reasonably silent person will do better, because by being to extroverted, one can run the risk of over talking or over activeness.
Nothing wrong with being an introvert in a company.in many cases it proves to be a good thing.