工程四级证书指定了担任高级工程技术员或特级工程技术员（机械）所需的能力– II级，特级工程技术员（制造）– II级，特级工程技术员（电气） /电子）–机械，电气/电子或制造贸易学科的II级。工作角色可能包括设备和机械的设计，组装，制造，安装，修改，测试，故障查找，调试，维护和服务，结构和组件的制造，钣金制品的制造以及相关机械的使用，设备和连接技术。与此资格相关的就业成果可在与制造和工程相关的众多部门中找到。
This qualification defines the skills and knowledge required for a higher engineering tradesperson within metal, engineering, manufacturing, and associated industries. The skills associated with this qualification are intended to apply to a wide range of engineering work undertaken in the fields of refrigeration and air conditioning, casting and moulding, computer numerically controlled (CNC) programming, fluid power, heavy fabrication, instrumentation, maintenance, plant mechanics, marine electronics, mechatronics, patternmaking, robotics, toolmaking, welding and watch and clock services and repair, including post-trade work.<br><br>It provides the skills and knowledge for a person to understand and implement quality control techniques, exercise good interpersonal and communications skills, work from complex instructions and procedures, exercise discretion within the scope of responsibility, perform work under limited supervision either individually or in a team environment, be responsible for assuring the quality of their own work, provide trade guidance and assistance as part of a work team, perform non-trade tasks which are incidental or peripheral to the primary tasks and facilitate the completion of the whole task, inspect products and/or materials for conformity with established operational standards, operate lifting equipment incidental to their work and assists in the provision of training in conjunction with supervisors and trainers.