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A job can be given the constraint that it only starts after another job has finished.
In the following example, we have two Jobs, A and B. We want Job B to start after Job A has successfully completed.
First we start Job A by submitting it
$ sbatch <jobA.sh>
Making note of the assigned job ID for Job A, we then submit Job B with the added condition that it only starts after Job A has successfully completed:
$ sbatch --dependency=afterok:<jobID_A> jobB.sh
If we want Job B to start after several other Jobs have completed, we can specify additional jobs, using a ':' as a delimiter:
$ sbatch --dependency=afterok:<jobID_A:jobID_C:jobID_D> jobB.sh
We can also tell slurm to run Job B, even if Job A fails, like so:
sbatch --dependency=afterany:<jobID_A> jobB.sh
For more information, consult the man page for sbatch.