Additionally you may check the script logic to locate where "job terminated" is defined in the .sh file. Identify if any specific command is failing or causing the script to generate this message in the log.
Review the std_err_file and std_out_file defined in the job configuration to catch any other messages and verify if explicit exit codes are defined in the script. Coordinate with the Application Team / Script Owner to investigate the script's failure logic and logs for those specific runs.