Voice Engineers design systems for use in telecommunications field to manage VoIP (voice over Internet protocol) and telephony systems. They are responsible for tasks, such as designing, installing, operating, maintaining, and troubleshooting voice communication systems.
Besides, they must have been trained specially in the cutting-edge telecommunications’ technology. They should also frequently communicate with the people in charge of voice technology to devise plans based on the needs of an organization.
Source : Find a Freelance Voice Engineer