A jobs board is an online website where employers post vacancies and candidates search for jobs.
Examples in Brighton and Hove are:
Most companies will advertise jobs on their own website. So if there is a particular company that interests you then log onto their website and search for vacancies.
There are several local newspapers and magazines in Brighton and Hove. Some are free and most of them will have an online presence. Check out any vacancies they may advertise.