A Java security engineer’s role is to design, build, and deploy frameworks and technology solutions that are in compliance with an organization’s security initiatives and technical specifications. Your responsibilities in this career include identifying and troubleshooting performance issues. You may also develop software applications that enhance performance or security. Your duties may involve training non-IT staff and on-call support as well. You maintain the current architecture of the system, developing solutions as necessary to enhance its secure operation. You may also assume a management role in some positions and oversee a team of computer support staff.