From the College of Arms website:
The College of Arms is seeking to recruit a research assistant (trainee) for a period of six to twelve months. The successful candidate will learn how to deal with heraldic and genealogical enquiries arising from members of the public and various organisations, how to process applications for new grants of arms and about other work undertaken by the College. Upon completion of this training period, the candidate will be assessed with a view to appointment as an officer of arms. If appointed, he or she will be able to run an independent heraldic and genealogical practice within the College generating his or her own income.