Mastering Engineer

Mastering Engineer completes 20 clear tasks that show routine responsibilities and the evidence of good work. The entries emphasize observable steps, brief notes and team interactions. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

20evidenced tasks
20ready prompts
4tools of the trade
27-4014.00O*NET-SOC code
13,080hold this job (US, BLS 2025)
$73,130median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Sound Engineering Technicians in the U.S. earn more than $73,130 a year — the middle 80% land between $37,570 and $137,370. About 13,080 people in the U.S. do this work. Figures are for the U.S. occupation group “Sound Engineering Technicians”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Professionals earn about ₹38,298 a month on average — around ₹4.6 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$73,130typical pay / year
13,080people in this work
$137,370+top 10% earn
₹4.6 lakha year in India (family avg)
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The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Keeping the record2

Record speech, music, and other sounds

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Record the vocal takes, guitar, and ambient room sounds for the session, set consistent mic placement and…
Record the vocal takes, guitar, and ambient room sounds for the session, set consistent mic placement and levels, log each good take with timecodes, and deliver the raw multitrack files to the producer before midnight Friday.
The tools that do the workApple macOSjob descriptionsO*NET

Keep logs of recordings.

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Update the studio session log with artist, songs tracked, take numbers, mic choices and positions, levels,…
Update the studio session log with artist, songs tracked, take numbers, mic choices and positions, levels, and timestamps after each session, then export and email the PDF summary to the producer and label by 18:00.
The tools that do the workMicrosoft Exceljob descriptionsO*NET
Fixing2

Assemble and operate sound equipment

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Assemble the monitoring rig and stage boxes, patch the console and outboard to the session signal flow, check…
Assemble the monitoring rig and stage boxes, patch the console and outboard to the session signal flow, check phase and headphone mixes, and hand the artist a safety briefing before the two‑hour tracking window starts at 10:00.
The tools that do the workApple macOSESCOjob descriptions

Make routine repairs on equipment

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Inspect the mic stands, cable runs, and power supplies, replace the faulty DI and one broken XLR tonight,…
Inspect the mic stands, cable runs, and power supplies, replace the faulty DI and one broken XLR tonight, test each repaired channel at line and instrument levels, and note parts used in the equipment log.
The tools that do the workApple macOSjob descriptionsO*NET
The daily work16

Use personal protection equipment

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Put on the lab-certified ear protection, NIOSH-rated respirator, and anti-static wrist strap before touching…
Put on the lab-certified ear protection, NIOSH-rated respirator, and anti-static wrist strap before touching any master tapes or digital converters, verify seals and fit with the safety checklist, then proceed to cue the session reels.
The tools that do the workApple macOSESCOsee the evidence ↗

Follow safety procedures when working at heights

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Before climbing the studio mezzanine to adjust the overhead monitors, inspect and lock the scaffold, attach…
Before climbing the studio mezzanine to adjust the overhead monitors, inspect and lock the scaffold, attach my harness to the anchor point, radio stagehand Tom about a five-minute window, and run the heights safety checklist aloud.
The tools that do the workApple macOSESCOsee the evidence ↗

Operate an audio mixing console

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Set up the mixing console for the mastering session: label and patch inputs for left and right stems, trim…
Set up the mixing console for the mastering session: label and patch inputs for left and right stems, trim gains so meters peak at minus six, engage the mono check and reference chain, then save the scene as Master Session 01.
The tools that do the workApple macOSESCOsee the evidence ↗

Keep up with trends

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Scan the last quarter's release notes, bandcamp playlists, and streaming loudness reports, flag three…
Scan the last quarter's release notes, bandcamp playlists, and streaming loudness reports, flag three emerging mastering techniques and two trending reference tracks, then draft a one-page update for the studio newsletter.
The tools that do the workMicrosoft ExcelESCOsee the evidence ↗

Fit up sound on stage

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Before the overnight session, arrange the workspace to keep pathways clear, set the limiter thresholds…
Before the overnight session, arrange the workspace to keep pathways clear, set the limiter thresholds conservatively, ensure the emergency exits are unobstructed, and tell engineer Sara I'll stop work at midnight if fatigue sets in.
The tools that do the workApple macOSESCOsee the evidence ↗

Work with respect for own safety

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When pulling a double to finish masters, check my physical condition, refuse or reschedule if I'm beyond safe…
When pulling a double to finish masters, check my physical condition, refuse or reschedule if I'm beyond safe alertness, log the decision in the studio duty sheet, and ask Nate to cover any loud work I cannot safely perform.
The tools that do the workMicrosoft OfficeESCOsee the evidence ↗

Regulate volume level and sound quality during recording sessions, using control consoles.

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Set the console gain and reference level for today’s session, keep peaks under -6 dBFS, apply the vintage EQ…
Set the console gain and reference level for today’s session, keep peaks under -6 dBFS, apply the vintage EQ preset to the vocal feed, watch the meters and tell the drummer to tame the hat if the LUFS hits target loudness.
The tools that do the workApple macOSO*NET

Tear down equipment after event completion.

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Power down and label each snake, mic and outboard unit, bag up cables by stage position, return racks to the…
Power down and label each snake, mic and outboard unit, bag up cables by stage position, return racks to the flight case, photograph serial numbers, and send a short handover note to production before I leave.
The tools that do the workApple macOSO*NET

Create musical instrument digital interface programs for music projects, commercials, or film postproduction.

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Program the synth patches for the commercial: build the bass, pad and lead tones, map velocity to filter…
Program the synth patches for the commercial: build the bass, pad and lead tones, map velocity to filter cutoff, save each patch with the project name, and export the patch bank for the editor.
The tools that do the workApple macOSO*NET

Convert video and audio records to digital formats

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Digitize the tape reels and camera cards, convert the files to 24-bit 48 kHz WAV and ProRes LT, verify…
Digitize the tape reels and camera cards, convert the files to 24-bit 48 kHz WAV and ProRes LT, verify checksums, then copy the master files to the studio archive and tell Alex the files are ready.
The tools that do the workApple macOSjob descriptions

Synchronize sounds and dialogue with action

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Line up the ADR and production audio, nudge dialogue to lip sync within single-frame tolerance, apply room…
Line up the ADR and production audio, nudge dialogue to lip sync within single-frame tolerance, apply room ambience to fills, and deliver the synced stems to picture with timecode intact.
The tools that do the workApple macOSjob descriptions

Musical instruments

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Tune the Fender and upright for the session, check string action and intonation, set pickup levels and DI…
Tune the Fender and upright for the session, check string action and intonation, set pickup levels and DI output so both amps and feeds are clean, then note any repairs needed in the session log.
The tools that do the workApple macOSESCOsee the evidence ↗

Maintain sound equipment

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Inspect the main monitor speakers, power conditioner, and patchbay today, replace any brittle XLRs or fuses,…
Inspect the main monitor speakers, power conditioner, and patchbay today, replace any brittle XLRs or fuses, tighten loose rack screws, run a pink-noise sweep to verify flat response, and log all repairs in the gear book before leaving.
The tools that do the workApple macOSESCOsee the evidence ↗

Technically design a sound system

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Sketch the loudspeaker layout and processor locations for a 60-seat control room, calculate SPL targets and…
Sketch the loudspeaker layout and processor locations for a 60-seat control room, calculate SPL targets and delay settings for the nearfield and main pairs, annotate cable runs and mounting heights, then produce a parts list for procurement.
The tools that do the workAutodesk AutoCADESCOsee the evidence ↗

Manage personal professional development

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Create a two-year skills plan listing mastering courses, practice goals for analogue workflow, annual budget…
Create a two-year skills plan listing mastering courses, practice goals for analogue workflow, annual budget for reference vinyl and monitors, and three conferences to attend; schedule reminders and update after each completed item.
The tools that do the workMicrosoft OfficeESCOsee the evidence ↗

Work ergonomically

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Adjust the mastering room workstation today: set monitor height to ear level, angle chairs and console for…
Adjust the mastering room workstation today: set monitor height to ear level, angle chairs and console for neutral posture, map keyboard shortcuts to reduce mouse reach, and document the ergonomic setup and daily microbreak routine.
The tools that do the workMicrosoft OfficeESCOsee the evidence ↗

Says who?

These are the pages we read to build this. Open any of them and check us.

The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

The rest of the map

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Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses