Oh hell yes. And sooner than you think. By my count you have 5 years and 4 months left, and the countdown only goes one way.
How long until AI replaces dredge operators?
5 years and 4 months. I'd start updating that CV, but I can also do that for you.
Which dredge operators tasks will AI take first?
The ones that already happen on a screen, starting with: move levers to position dredges for excavation, to engage hydraulic pumps, to raise and lower suction booms, and to control rotation of cutterheads. The rest follows.