Watches for the break-in, and builds the systems that make one harder.

Every organisation with a network is a target, and cybersecurity analysts are the people who monitor for intrusion, investigate when something looks wrong, and close the gaps before someone else finds them first. It is one of the fastest-growing technology occupations the Bureau of Labor Statistics tracks, for a plain reason: the number of things worth attacking keeps growing faster than the number of people defending them.
The standard route into a first analyst role at a mid-size or large employer.
A common lateral path: start in general IT, add Security+ or equivalent, move into security specifically.
Information security analysts · US Bureau of Labor Statistics, Occupational Outlook Handbook, May 2024 wages and 2024–34 projections.
You are measured by absence, a good year looks like nothing happened, which is a hard thing to point to in a review. The job also runs on-call: a real incident does not wait for business hours, and the first response is usually yours.