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Mastering Engineer Jobs in California (NOW HIRING)

Vertex Sigma Software

CMF Designer

Foster City, CA · On-site

$150K/yr

Mastering Coordination: Organize, track, and distribute CMF mastering samples, setting up an ... Work closely with designers, engineers, and leadership to ensure smooth project coordination and ...

Vertex Sigma Software

CMF Designer

Foster City, CA · On-site

$150K/yr

Mastering Coordination: Organize, track, and distribute CMF mastering samples, setting up an ... Work closely with designers, engineers, and leadership to ensure smooth project coordination and ...

Vertex Sigma Software

CMF Designer

Foster City, CA · On-site

$150K/yr

Mastering Coordination: Organize, track, and distribute CMF mastering samples, setting up an ... Work closely with designers, engineers, and leadership to ensure smooth project coordination and ...

Umusic

Coordinator, A&R

Santa Monica, CA

Track recording activity and facilitate the delivery of audio files between artists, producers, engineers, mixers, mastering engineers, and internal teams. * Coordinate recording sessions, including ...

PsiQuantum

Optical Packaging Engineer

Milpitas, CA

$150K - $194K/yr

It represents a fundamental shift-and a path to mastering challenges that cannot be solved any ... The Associate Engineer will build fiber-coupled optical packages with photonic chips and work ...

Syska Hennessy Group

Engineer I (ICT)

Los Angeles, CA · On-site

Learning and mastering drawing organization and company standards. * Support the design and engineering efforts of systems for new installations, system retrofits, system replacement and system ...

PsiQuantum

Optical Packaging Engineer

Milpitas, CA · On-site

$150K - $194K/yr

It represents a fundamental shift-and a path to mastering challenges that cannot be solved any ... The Associate Engineer will build fiber-coupled optical packages with photonic chips and work ...

IXL Learning

Software Engineer, Dictionary.com

San Mateo, CA · On-site

$116K - $150K/yr

From mastering vocabulary to unraveling the origins of words, more than 40 million people rely on ... We are seeking Software Engineers who have a passion for technology and education to help us attain ...

IXL Learning

Software Engineer, Dictionary.com

San Mateo, CA · On-site

$116K - $150K/yr

From mastering vocabulary to unraveling the origins of words, more than 40 million people rely on ... We are seeking Software Engineers who have a passion for technology and education to help us attain ...

PsiQuantum

Associate Process Engineer

Milpitas, CA · On-site

It represents a fundamental shift-and a path to mastering challenges that cannot be solved any ... Job Summary: The Associate Process Engineer will be responsible for assisting in the module ...

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All JobsMastering Engineer JobsMastering Engineer Jobs in California

Mastering Engineer information

See California salary details

$38.5K

$100.4K

$135.7K

How much do mastering engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for mastering engineer in California is $100,420.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,900.00 and $115,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a mastering engineer, and why are they important?

To thrive as a Mastering Engineer, you need a deep understanding of audio engineering, acoustics, signal processing, and typically a degree or certificate in audio production or a related field. Familiarity with digital audio workstations (DAWs) like Pro Tools, specialized mastering software, and high-end audio equipment is essential. Attention to detail, critical listening, and strong communication skills set outstanding mastering engineers apart. These skills ensure the delivery of high-quality, commercially viable audio that meets industry standards and client expectations.

What is a mastering engineer?

Mastering engineers are audio professionals who prepare and finalize music or audio recordings for distribution. They use specialized equipment and software to balance frequencies, adjust dynamics, and ensure consistency across tracks, making sure the final product sounds polished on all playback systems. Mastering engineers also sequence tracks, embed metadata, and create various formats required for streaming, CDs, or vinyl. Their expertise is crucial in giving recordings a professional, cohesive sound that meets industry standards.

How much does a mastering engineer make?

Mastering engineers typically earn between $30,000 and $100,000 annually, with experienced professionals and those working in high-demand markets earning higher salaries. Compensation varies based on experience, reputation, location, and the complexity of projects handled.

What are some common challenges mastering engineers face when working with a variety of musical genres?

Mastering Engineers often encounter the challenge of adapting their technical approach and artistic judgement to suit diverse musical genres, each with its own sonic characteristics and listener expectations. For example, mastering a jazz record requires preserving dynamic range and subtlety, while electronic dance music may prioritize loudness and punch. Navigating these differences demands a deep understanding of genre conventions, critical listening skills, and effective communication with clients to achieve the desired sound. Staying current with industry standards and collaborating closely with mixing engineers and artists are key to overcoming these challenges.

What is the difference between Mastering Engineer vs Mixing Engineer?

AspectMastering EngineerMixing Engineer
CredentialsAudio engineering certifications, specialized mastering coursesAudio engineering certifications, mixing courses
Work EnvironmentPost-production, mastering studios, often independentRecording studios, post-production, often collaborative
Industry UsageFinalizing tracks for distribution, ensuring consistencyCreating the initial stereo mix, balancing elements

Mastering Engineers focus on preparing a final stereo track for distribution, ensuring consistency and optimal sound quality across formats. Mixing Engineers create the initial mix, balancing individual tracks. While both roles require audio engineering skills and certifications, their responsibilities and work environments differ significantly, with mastering being the final step before release.

What cities in California are hiring for Mastering Engineer jobs?

Cities in California with the most Mastering Engineer job openings:

Mastering Engineer jobs near you
Infographic showing various Mastering Engineer job openings in California as of August 2026, with employment types broken down into 88% Full Time, 5% Part Time, 2% Temporary, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $100,420 per year, or $48.3 per hour.

Applied AI Engineer

General Matter, Inc.

Los Angeles, CA • On-site

Other

Medical, Dental, Vision, Retirement

Re-posted 3 days ago

Job description

About the company
General Matter enriches uranium.
We are designing, building, and operating the world's lowest-cost enrichment services, here in the US.
In the process, we are restoring America's ability to produce nuclear fuel to power AI, advanced manufacturing and critical industries our country relies on to remain competitive.
Fuel drives the cost of advanced reactor electricity production, and enrichment drives the cost of the fuel that advanced reactors consume. Reliable, low-cost enrichment is the catalyst for the nuclear Renaissance now under way.
Our mission is to make nuclear not only the cleanest and safest source of baseload power, but also the most affordable. We believe abundant nuclear energy will lead to a post-scarcity society.
We were incubated inside Founders Fund, like Anduril and Palantir before us, and are backed by over a dozen of the world's top venture capital firms.
Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production.
We are a mission-driven company with a culture of urgency, accountability, and transparency.
Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable.
About This Role
General Matter has a massive body of critical-path engineering work ahead - nuclear licensing, integrated safety analysis, design criteria, technoeconomic modeling. Conventional timelines for this work are too slow. We believe there is an opportunity to reinvent every single engineering workflow using modern AI.
The Applied AI team embeds with engineering teams across the company with a single focus: make existing engineering workflows significantly faster. You identify the bottleneck, build the tool, and move to the next problem.
This is an opportunity to define what AI-first engineering looks like at a nuclear company. The nuclear industry has done things the same way for decades. Assumptions that everyone takes for granted - "this analysis requires a PhD specialist," "this document takes three months to draft," "this review has to be fully manual" - are all open questions now. You get to challenge every one of them, across every team.
We are open to multiple levels for this role.
Responsibilities
The core mission of this team is to accelerate engineering. Some of the projects we've worked on include:
  • Building AI tooling so that every engineer can run complex safety and physics analyses before design reviews, without waiting on a specialist.
  • Automating legacy simulation workflows so engineers can run neutronics with a config file instead of learning decades-old codes from scratch.
  • Integrating with internal tools- tickets, design-tree, file management- and building agents that handle triage, routing, and prioritization automatically.

Basic Qualifications
  • BS or higher in engineering, physics, chemistry, applied math, or related technical field.
  • Proficiency in Python and software engineering fundamentals.
  • Experience building tools or workflows using LLMs, AI agents, or modern AI techniques

Preferred Skills and Experience
  • Engineer who codes. You studied a hard STEM field: physics, chemistry, mechanical, electrical, nuclear, math. You can follow a technical conversation with a domain expert and know which parts of their workflow are automatable before they do. You write clean, production-grade Python.
  • Versatile engineering fundamentals. This role requires mastering many different fields quickly: neutronics, integrated safety, data, manufacturing. You don't need to be the expert. You need to get fluent enough, fast enough, to build something useful.
  • AI fluency. You genuinely enjoy using AI to solve problems - RAG, tool-use architectures. You're constantly thinking about how to apply AI to reinvent or restructure existing workflows.
  • Ships proactively. You don't wait for a spec, a roadmap, or permission. You see the bottleneck, propose the approach, and show off prototypes before you're asked.

Additional Requirements
  • Ability to work extended hours and weekends as necessary.

Equal Opportunity Employer
General Matter is an Equal Opportunity Employer; employment with General Matter is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Compensation and Benefits
The base salary range for this role is $100,000-$200,00 annually.
Compensation bands are determined by role, level, location, and alignment with market data. Individual level and base pay is determined on a case-by-case basis and may vary based on job-related skills, education, experience, technical capabilities and internal equity. In addition to base salary, for full-time hires, you may also be eligible for long-term incentives, in the form of stock options, and access to medical, vision & dental coverage as well as access to a 401(k) retirement plan.
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