use msdb
SELECT
[sJOB].[job_id] AS [JobID]
, [sJOB].[name] AS [JobName]
,step.step_name
,step.command
FROM
[msdb].[dbo].[sysjobs] AS [sJOB]
LEFT JOIN [msdb].dbo.sysjobsteps step ON sJOB.job_id = step.job_id
WHERE step.command LIKE '%MYTABLENAME%'
ORDER BY [JobName]