How to use jobs to write in order to NativeList

How would one write in order to a NativeList?

Scenario:
A mathematically intensive task that doesn't have a dependency on the state of methodically identical parallel tasks will add (unknown prior) 0 - 5 items to a

[WriteOnly] NativeList

. While the order the work is done in doesn't matter, the order the items are added do.

So far:
I've written the job up just fine, but I'm not knowledgeable enough about this to know how to store the results correctly. I...

How to use jobs to write in order to NativeList