Job Description

Overview

General Matter is a company focused on enriching uranium to restore America's ability to produce nuclear fuel. They aim to make nuclear energy the cleanest, safest, and most affordable source of baseload power, driving a nuclear Renaissance.

Responsibilities

  • Perform system-level sizing and performance analysis for fluid systems to establish requirements and operating margins.
  • Translate requirements into hardware concepts, evaluating architectures and design trades for performance, safety, and manufacturability.
  • Design pressurized and unpressurized components and assemblies, producing original CAD models, drawings, and specifications.
  • Conduct structural and mechanical analysis to ensure survivability under pressure, thermal, and operational loads.
  • Drive design-for-manufacturability improvements to enable efficient, repeatable production.
  • Lead first-article builds and work directly with manufacturing teams to establish robust production processes.
  • Plan and execute development, qualification, and acceptance testing for critical hardware.
  • Define concepts of operations for systems, from commissioning and acceptance testing through steady-state operation.
  • Participate in internal and external design reviews with cross-functional partners, suppliers, and stakeholders.

Requirements

  • Bachelor’s degree (or higher) in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, Engineering Physics, or a related field.
  • +2 years of experience designing, analyzing, or testing fluid systems.
  • Experience with gas dynamics, thermal analysis, and finite element analysis (FEA).
  • Hands-on experience with pressurized systems.
  • Experience owning operation-critical hardware from concept through production.
  • Proficiency with FEA tools and CAD software.
  • Strong communication, organization, and technical leadership skills.

Benefits

  • 401k
  • Health Insurance
  • Dental
  • Vision

Additional Information

  • Ability to work extended hours and weekends as necessary.

Benefits

401k
Health Insurance
Dental
Vision

How this job compares in Los Angeles, CA

Pay in context

At roughly $66/hr, this posting sits about 54% above the $43/hr median for welding jobs in Los Angeles, CA — toward the top of a $36–$60/hr middle band drawn from 60 postings with published pay. Put another way, it pays more than about 85% of the comparable postings we have wage data for. Pay that far above local median usually comes attached to something: a harder cert requirement, travel, night shift, or overtime that isn't really optional. Worth establishing which before you accept.

The local market in Los Angeles, CA

We're tracking 84 other active welding openings in Los Angeles, CA right now, from 57 different employers. 34 of them were added in the last week. Across California as a whole we're tracking 586 other active welding openings from 267 employers. A metro this active generally means you have real leverage — employers here are competing for the same welders. Browse every welding job in Los Angeles, or widen the search to California.

General Matter currently has 2 other openings live in California, which is usually a sign of either steady growth or steady turnover — worth asking which in the interview.

The most active employers in California at the moment, by number of open welding reqs, are SpaceX (37), Relativity Space (22), and Welding Shop in Los Angeles, CA (18). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Within California, the best-paying metros we track by median hourly rate are Redondo Beach at $65/hr, Pasadena at $61/hr, and Santa Ana at $48/hr. If you can relocate or commute, that spread is worth factoring in.

Similar openings near Los Angeles, CA

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Fluid Systems Engineer figures were last recalculated when this page was built.