I'm interested in getting work fishing or processing in Alaska. Are there people to talk to about that on the locks?

No, just a place for boats to pass through

You can find the offices to several companies around that area though and if you walk the docks at fisherman's terminal just east of the locks you might find immediate work if the fleets are in town.

I like Joshoah Dahl's answer. Also check at Fisherman's Terminal, believe there are some offices there?