Full-Time

Mechanical Test Engineer

Atomic Semi

Atomic Semi

51-200 employees

Compact semiconductor fab producing chips

No salary listed

H1B Sponsorship Available

San Francisco, CA, USA + 1 more

More locations: Austin, TX, USA

In Person

Category
QA & Testing
Required Skills
Software Testing
Requirements
  • Two years of experience as a test engineer or applications engineer with a demonstrated command of best practices in finding and diagnosing errors
  • Ability to write code and create automated testing programs from scratch
  • Hands-on capability to build and run electrical tests
  • Strong mechanical intuition combined with a highly detail-oriented, scientific mindset
  • Clear, fast verbal and written communication skills to effectively interface across multiple engineering disciplines
  • A portfolio showing things you have built is generally required to apply
Responsibilities
  • Own the end-to-end characterization of tools, defining criteria to measure, running software tests, pushing the limits of our hardware, and logging failure to inform engineering decisions
  • Build software testing programs from scratch
  • Diagnose complex system errors by sitting down with electrical, mechanical, and software teams to map out problem matrices and track down root causes
  • Lead with rigorous and concise written and verbal communication
  • Set clear timelines and hold yourself and cross-functional teams accountable for rigorous documentation and testing standards
Desired Qualifications
  • Prior experience with mechanical design
  • PCB design experience

Atomic Semi builds and operates a compact semiconductor fabrication facility to manufacture chips for electronics, automotive, telecom, and more. It uses its own tools and processes to create chips with smaller, more efficient geometries and can offer custom fabrication services to clients. The company distinguishes itself from large fabs by being small, fast, and agile, developing its own manufacturing tools to quickly adapt to new technologies and market needs. Its goal is to provide nimble, efficient chip manufacturing that helps a wide range of tech companies get high-quality chips faster and with flexibility for evolving technology trends.

Company Size

51-200

Company Stage

Seed

Total Funding

$15M

Headquarters

San Francisco, California

Founded

2023

Simplify Jobs

Simplify's Take

What believers are saying

  • 60 engineers across disciplines drive rapid low-cost fab development.
  • Small-scale tools support high-speed prototyping for tech firms.
  • SF-based fab pushes quickly to advanced chip geometries.

What critics are saying

  • ASML's 80% lithography dominance blocks Atomic Semi's tool performance.
  • Zeloof's garage tech fails at scale; zero chips shipped since 2023.
  • TSMC and Samsung billions crush small-fab high-volume viability.

What makes Atomic Semi unique

  • Atomic Semi builds compact fabs for smaller wafers unlike traditional 300mm giants.
  • Founders Sam Zeloof and Jim Keller bring garage fab and 40-year expertise.
  • In-house 3D printers and e-beam writers enable agile tool invention.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Unlimited Paid Time Off

401(k) Retirement Plan

Paid Parental Leave

Commuter Benefits

Wellness Program

Growth & Insights

Headcount

6 month growth

2%

1 year growth

5%

2 year growth

4%