Before adding jobs, you need to create a job type. Instructions for doing this can be found HERE.
Jobs can then be added by going to "Gear wheel" - "Types of job" and opening the desired job type from the "Edit" button, under which you want to start entering work. A work type tab opens, where you can enter jobs using the "Add work" button:
Then enter the name of the new work and save this change:
When adding jobs, all jobs in our software are automatically linked to all employees who are associated with the corresponding work type. If you don't want all employees to see all jobs, you can unlink them from the given work type: