“The engineer” isn’t always one person. Depending on the size of the studio and the scope of the project, a record can pass through the hands of a head engineer, an assistant, an editor, a producer, and an audio tech before it’s done — each doing a genuinely different job, not just splitting the same task.

Here’s who’s who, and what each role actually covers.

Head Engineer

The head engineer is usually the most senior person on the production team – senior by experience and time in the industry, not necessarily by age. They typically get first pick of projects and lead the larger sessions and clients. Depending on their level of experience and reputation, they may also have their own assistant, or even a manager helping with booking.

Assistant Engineer

An assistant engineer may have their own projects too, but the role is mostly about supporting a lead or head engineer. Assistants handle a lot of the unglamorous setup — mic placement, prepping files and routing in the DAW, getting a session ready before the lead engineer even walks in. They typically work closely with one specific engineer over time, learning that engineer’s setup and style. In larger facilities, an assistant is often the person on-site making sure a room is ready for whoever’s booked it that day.

Editing Engineer

Editors are the clean-up crew. Cutting out noise, fading between takes, matching levels — all the detail work that turns a raw recording session into something uniform enough for a mixing engineer to actually work with. It’s a vital step, and one that’s easy to overlook entirely if you’ve never seen it happen.

Producer

“Producer” is a broad title. At its core, a producer handles the money, the booking, and the overall vision — pulling together the studio, the recording engineer, the mixing engineer, and the mastering house, and pushing the artist toward their best performance. Producers often specialize further:

• Beat Producer — focused on building catchy rhythms and hooks, most common in hip-hop, rap, and pop, working with the artist to create something they can be creative over.
• Vocal Producer — works specifically with the vocalist, capturing and comping takes into a finished vocal, and often helping write melodies, harmonies, and vocal stacks along the way.

Audio Tech

The audio tech is the heart of a lot of larger facilities, even if clients rarely interact with them directly. Usually with real electrical engineering knowledge, they’re the one keeping every piece of gear in the building actually working — repairing, modifying, and maintaining equipment so nothing goes down mid-session.

In smaller studios, an engineer or owner has to take on every one of these roles at any given time.

That’s worth sitting with. Every role above provides something genuinely necessary to a finished record — it’s just that in a smaller studio, one or two people are covering all of it at once rather than handing work off between specialists.

Next time you put on a favorite record, look up the credits. You might be surprised how many people it took – or how few.