To check which server is taking care of running timer jobs
in ShaerPoint Farm, we need to run this query on content database in SQL and we can manage this settings
at manage content database in central admin.
select a.lockedby,
b.name
from WSS_Content_JCES_Manfacturing.dbo.TimerLock a inner join SharePoint2013_ConfigDB_Aug30.dbo.Objects b
on a.lockedby =
b.Id