This meaning refers to roles in which people perform work in exchange for payment.
The company created fifty new jobs.
Many students look for summer jobs.
This meaning refers to individual duties or pieces of work that must be completed.
I have several jobs to finish today.
Cleaning the windows is one of his jobs.
In technology, jobs are units of work submitted to a computer, machine, or automated system.
The server is processing several jobs.
Print jobs are waiting in the queue.