Mechanical Engineer, Optomechanical Systems
General MatterLos Angeles, CA
Full Time
Posted September 17, 2026
$140k - $220k
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Application opens on company website
Listing evidence and provenance
- Source
- Greenhouse View original listing
- Freshness
- Open in the current public read path; this is not an employer guarantee.Last observed October 5, 2026
- Classification
- Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
- Pay provenance
- Employer-provided pay
Job Description
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 subsystems, beam delivery hardware, and components that must survive demanding thermal, chemical, and mate
Key Responsibilities
- Develop mechanisms and mechanical structures for enrichment — including precision mounts, alignment stages, beam delivery paths, or enclosures for optical and photonic subsystems — and own them through the entire product lifecycle including requirements definition, design, development, qualification, and release to production.
- Select and specify materials and coatings for enrichment hardware based on mechanical, thermal, optical, and corrosion/wear performance requirements.
- Support optimization of designs for cost, performance, and manufacturability.
- Functionally test your hardware through thermal, vibe, shock, durability, etc., including precision alignment and beam pointing/stability testing for optical assemblies.
- Perform root-cause analysis on test failures and develop hardware mitigations.
- Collaborate with materials scientists and metallurgists to characterize material behavior under process-relevant conditions — including exposure to high-energy optical sources — and translate findings into design decisions.
- Participate in design review and provide feedback to ensure design objectives are met.
- Work closely with electrical, optical, software, manufacturing, and nuclear engineers to ensure designs are effectively integrated with overall system requirements.
Requirements
- Background or working knowledge in materials science or metallurgy, particularly failure analysis, material selection, or performance of metals/alloys under extreme thermal, mechanical, or corrosive conditions.
- Experience designing precision mechanical structures for optical or photonic-based (e.g., alignment stages, athermal mounts, beam delivery paths, thermal management for high-energy optical components).
- Strong understanding of engineering fundamentals.
- Ability to perform trade studies and make clear recommendations using first principles and engineering fundamentals even with partial information.
- Experience in a fast-paced engineering environment or a highly technical role requiring a resourceful, entrepreneurial approach to complete tasks within tight timeframes or budget constraints.
- Ability to work extended hours and weekends as necessary.
Ready to Apply?
Apply directly on General Matter's site
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