Yes, if you have the Team Manager permission you can share any JobCast you receive, with any of your teammates, that is in the “New” or “Working On” indexes of you or any else on your team.
All you need to do is click on the JobCast action menu and select “Share with Teammates”
Then, simply select the teammate you want to invite to work on the JobCast, click “Invite” and the JobCast will appear on your Teammate’s “New” JobCast index in no time!