Ask HN: How do you monitor your automated jobs?

I'm researching how startups/solo operators are keeping track of automated/cron/batch jobs on an hourly/daily/weekly basis.

I'd love to know if you use a "email me on success" approach or more of a Dead Man's Switch approach, and how you've implemented it in your company or stack.

We've all got those data munging jobs that are more critical and less reliable than we like to admit!