A direct way of getting noticed at work is by making yourself visible. This demands effective communication with others, proactiveness, and sustained efforts. Some ways of becoming more visible might be more or less comfortable for you, so play to your strengths.

to bring someone to the attention of the public, usually because of an unusual skill, etc.: She was first noticed by the critics at the age of twelve, and went on to become a world-famous violinist. More examples.