The term 'Suffix with Journal' can be broken down into three crossword solutions: IST (3 letters), ISM (3 letters), and ESE (3 letters). IST stands for Information Systems Technician, a job that involves the installation, maintenance, and repair of computer systems. ISM stands for Information Systems Manager, a job that involves overseeing the development, implementation, and maintenance of computer systems. Lastly, ESE stands for Enterprise Systems Engineer, a job that involves designing, developing, and maintaining enterprise-level computer systems.