Job Description Help for Job Description. Opens a new window. Oversee the daily performance of computer systems. Set up equipment for employee use, performing or ensuring proper installation of cables, operating systems, or appropriate software. Read technical manuals, confer with users, or conduct computer diagnostics to investigate and resolve problems or to provide technical assistance and support. Answer user inquiries regarding computer software or hardware operation to resolve problems. Install and perform minor repairs to hardware, software, or peripheral equipment, following design or installation specifications.