General Matter

Nuclear Safeguards and Materials Control & Accountability (MC&A) Analyst/Engineer

We are seeking a detail-oriented Nuclear Safeguards and Materials Control & Accountability (MC&A) Analyst to join our team.

Nuclear Licensing Engineer

We are seeking a detail-oriented Nuclear Licensing Engineer to support regulatory compliance and licensing activities for a nuclear fuel cycle facility.

Nuclear Engineer (New Grad)

We're looking for a Nuclear Engineer (New Graduate) with a strong interest in regulatory compliance and licensing to join our growing engineering team.

$90K–105K/year

Nuclear Design Basis Engineer

As a Nuclear Design Basis Engineer at General Matter, you'll define the engineering ground rules that every part of the facility is built to.

$150K–210K/year

Nuclear Criticality Safety Engineer

We are seeking a skilled Nuclear Criticality Safety Engineer to join our team and play a critical role in ensuring the safe and effective handling of nuclear materials.

$100K–230K/year

Nuclear Consequence Analysis Engineer

As a Nuclear Consequence Analysis Engineer at General Matter, you'll own the question at the heart of the facility's safety case: if something goes wrong, what actually happens?

$150K–210K/year

JobPosted 12 Nov 2026

Mechanical Test, Optomechanical Systems

As a General Matter Mechanical Test Engineer, you will build the test infrastructure and execute the test campaigns that qualify the mechanical hardware behind our next-generation enrichment technology - including…

$110K–180K/year

General MatterPaducah, KY

Mechanical Engineer (PE) - Paducah

As a Mechanical Engineer, you will play a pivotal role in executing a state-of-the-art enrichment facility from concept through commissioning.

$90K–175K/year

Mechanical Engineer (PE) - Los Angeles

As a Mechanical Engineer, you will play a pivotal role in executing a state-of-the-art enrichment facility from concept through commissioning.

$90K–175K/year

JobPosted 12 Nov 2026

Mechanical Engineer, Optomechanical Systems

As a General Matter Mechanical Engineer, you will design, build, test, and own the mechanisms and mechanical structures enabling our next-generation enrichment technology - including precision optical and photonic…

$140K–220K/year

Mechanical Engineer (New Grad)

We're looking for an early-career Mechanical Engineer who is excited to design, build, test, and take ownership of the mechanisms and mechanical structures that enable advanced enrichment technology.

$96K–106K/year

Mechanical Engineer

As a General Matter Mechanical Engineer, you will design, build, test, and own the mechanisms and mechanical structures enabling enrichment technology.

JobPosted 10 Nov 2026

Mechanical Designer, Plant & Piping

We are seeking a Mechanical Designer to develop and maintain the 3D CAD model for piping and mechanical systems in a complex nuclear enrichment facility.

JobPosted 10 Nov 2026

Mechanical Design Engineer, Plant Piping Systems

As a Mechanical Design Engineer for Plant Piping Systems, you'll turn process architecture into real, buildable hardware for one of the first new large-scale enrichment facilities built in the United States in a…

$90K–185K/year

Materials & Process Engineer

As our Materials & Process Engineer, you'll be the materials generalist those teams rely on: the person who owns how metals are selected, characterized, and qualified across our hardware, and who bridges our chemistry…

$140K–190K/year

JobPosted 5 Nov 2026

Material Control & Accountability Program Manager

As Material Control & Accountability (MC&A) Program Manager at General Matter, you'll build and lead the program that controls and accounts for every quantity of special nuclear material (SNM) we receive, process…

$150K–250K/year

Manufacturing Engineer – Tooling & Fixtures

We're standing up a new manufacturing facility and need a Manufacturing/Tooling Engineer to design the fixtures and workholding that make it run.

$130K–195K/year

Manufacturing Engineer

As a Manufacturing Engineer, you will design, develop, and build manufacturing processes, tools and systems to take us from development phases to production.

$90K–175K/year

Management Associate

We are seeking a Management Associate to work directly with department heads and senior leaders to help drive execution across the organization.

$80K–140K/year

Machine Shop Manager

We're standing up a new manufacturing facility and need a Machine Shop Manager to own the floor.

$110K–140K/year