'how to Increase open files limit in Jenkins

I would like to increase the max of opening file in Jenkins job, where I use a username called jenkins.

So from the server where jenkins is installed the limit has been changed as I wanted, please see the picture :

However, from the jenkins job shell I get the following :

/etc/security/limits.conf contains:

jenkins hard nofile 65536 jenkins soft nofile 65536

But that is ignored by jenkins. Executing ulimit -n in the jenkins build "Execute shell command" section outputs 4096 instead of expected 65536.

as you see in the photo

nofile : 4096

any thoughts or idea ?

linux jenkins

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