Professional development requirements will vary depending on the discipline of engineering. In some high-liability disciplines, like Civil Engineering, licensure is required for many positions. In positions which require a high level of technical knowledge, such as Finite Element Analysis engineering, a Master's degree or even PhD may be to your advantage. When answering this question, tell the interviewer what you have recently done to meet the requirements of the job you are applying for and what you are planning to do to advance your career. The example answer is for a Biomedical Engineer interested in pursuing a position which requires 3-5 years of previous experience.