General Matter

Mechanical Engineer, Optomechanical Systems

General Matter · Los Angeles, CA

Posted 2 days ago · $140k-$220k

or apply directly on General Matter's site. We never take the application ourselves.

Is this posting real?

This role has been open
2 days
General Matter's roles stay open a median of 53 days
Reposted
No
Salary listed
Yes
99% of General Matter's roles list one
Ghost-job risk at General Matter
high
84 stale, 1 reposted of 138 open
Hiring momentum
156 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-27

Measured from postings appearing on and disappearing from General Matter's own greenhouse board since 2026-08-03. Full hiring picture for General Matter.

About this role

As a Mechanical Engineer at General Matter, you will design, build, and test mechanisms and mechanical structures for advanced uranium enrichment technology. Your role involves collaborating with various engineering disciplines to ensure the integration of optical and photonic subsystems, while managing the entire product lifecycle from requirements definition to production. You will also conduct functional testing and root-cause analysis to optimize designs for performance and manufacturability.

Our read on this posting4.0out of 5
benefits
2/5
freshness
5/5
career value
4/5
role clarity
4/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of General Matter as an employer.

What you need

  • Experience in mechanical design and development
  • Ability to perform functional testing including thermal and durability tests
  • Experience with materials selection based on performance requirements
  • Collaboration skills to work with cross-functional engineering teams
  • Ability to manage the product lifecycle from design to production

Nice to have

  • Background in materials science or metallurgy
  • Experience designing precision mechanical structures for optical systems
  • Strong understanding of engineering fundamentals
  • Experience in a fast-paced engineering environment

What you get

  • Base salary range of $140k-$220k annually
  • Eligibility for long-term incentives in the form of stock options
  • Access to medical, vision & dental coverage
  • Access to a 401(k) retirement plan

Worth weighing

  • Fast-paced, intense work environment may require extended hours and weekends
  • Role involves working on cutting-edge technology in a niche industry

Summarised from General Matter's posting. Read the full original.

Listed by General Matter on their greenhouse job board, last confirmed open on 2026-09-27. PitchMeAI is not the employer.

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