Using the package DBMS_SCHEDULER one can enable/disable jobs.

To disable job: This disables the job from running
SQL> exec dbms_scheduler.disable(‘GATHER_STATS_JOB’);

PL/SQL procedure successfully completed.

— check job status
SQL> select job_name, enabled from DBA_SCHEDULER_JOBS WHERE job_name = ‘GATHER_STATS_JOB’;

JOB_NAME ENABL
————————- —–
GATHER_STATS_JOB FALSE

To enable job:
SQL> exec dbms_scheduler.enable(‘GATHER_STATS_JOB’);

PL/SQL procedure successfully completed.

— check job status
SQL> select job_name, enabled from DBA_SCHEDULER_JOBS WHERE job_name = ‘GATHER_STATS_JOB’;

JOB_NAME ENABL
————————- —–
GATHER_STATS_JOB TRUE