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Infrastructure Engineer

Fab2

Company websitefab2.com (Fab2, opens in new tab)

Base salary $140K  to $200K

Employer-published annual base salary, USD. Advertised base range in San Francisco, CA +1 more

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  • LocationSan Francisco, CA +1 more
  • WorkplaceOn-site
  • Status at last checkSource accepting applications when checked
  • Last checked (3 h ago) · observed since
All places named
  • San Francisco, CA
  • Austin, TX

About this job

About fab2

The fab2 team can build anything. We design all the hardware and software needed to make chips and we make the fabs, tools, and components ourselves.

We're looking for exceptional, hands-on people who can iterate to the limits of what's possible.

fab2 was founded by Sam Zeloof and Jim Keller. Sam is best known for making chips in his garage, and Jim has been a leader in the semiconductor industry for the past 40 years.

About the Team

fab2 prints chips. fab2 prints fabs. The Software team builds the software that runs it all.

About the Role

We’re looking for a Software Engineer to own the infrastructure behind fab2. You’ll work across Linux systems, on-prem compute, networking, deployment, observability, and developer tooling.

This is a greenfield role for someone who likes understanding how systems actually work, keeping the stack simple, and building infrastructure that engineers can rely on.

Responsibilities

  • Design and operate the infrastructure that runs software across the fab.

  • Manage our fleet of on-prem servers, virtual machines, and computers connected directly to fab equipment.

  • Own core networking and services across storage, service discovery, authentication, secrets, and deployment.

  • Build observability for both traditional system metrics and high-frequency telemetry from fab equipment.

  • Automate OS imaging, software builds, deployments, and infrastructure provisioning.

  • Create internal infrastructure and developer tools that make it easy for engineers to ship and operate software.

  • Design networking, replication, and backups that can scale as we build more fabs.

Requirements

  • Strong software engineering fundamentals and experience shipping production systems.

  • Experience with backend, infrastructure, distributed systems, or systems engineering.

  • Strong Linux fundamentals and comfort working below cloud abstractions.

  • Ability to reason across compute, networking, storage, deployment, and data systems.

  • Highly effective using AI coding tools while able to independently read, write, and debug code.

  • Strong technical communication and a high degree of ownership.

Nice-to-have

  • Founding engineer, CTO, or early-stage startup background.

  • Experience with bare-metal or on-prem infrastructure.

  • Familiarity with developer platforms, deployment systems, or observability tooling.

  • Hands-on work with high-throughput telemetry or data systems.

  • Exposure to robotics, industrial automation, semiconductor equipment, or AI infrastructure.

  • Experience building software for regulated environments.

Working at fab2

We’re an early-stage hardware startup with solid funding, world-class advisors, and labs/offices in Austin, TX, Lockhart, TX, and San Francisco, CA.

Compensation: fab2 is committed to fair and equitable compensation practices. The annual salary range for this role is $140,000 – $200,000. Compensation is determined based on your qualifications and experience. Our total compensation package also includes generous equity in fab2

Benefits: fab2 offers the following benefits, subject to applicable eligibility requirements: 

  • Medical, Dental, and Vision insurance

  • Generous Paid Time Off inclusive of Holidays and Sick Time

  • Visa Sponsorship

  • Life and Disability Insurance

  • Paid Parental Leave

  • 401(k) retirement plan

  • Weekly Learning & Development opportunities

  • Commuter Benefits including Parking and Late Night Uber rides from the office

  • Lunches daily, Dinners 3x per week, Stocked Office Kitchen with Snacks and Spindrifts

We are an equal-opportunity employer and do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, veteran status, disability or other legally protected statuses.

Export Control Analysis: This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

fab2, formerly known as Atomic Semi

Source: Fab2 on Ashby · View original posting (opens in new tab)

This range next to 6 other live Fab2 roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Fab2 roles with the nearest advertised base floor
RolePublished base
Infrastructure Engineer (this listing)$140K - $200K
Software Engineer, AI Platform$140K - $200K
Optical Systems Engineer$130K - $200K
Staff R&D Device Engineer$150K - $210K
Staff Process Development Engineer$165K - $220K
R&D Device Engineer$110K - $180K
Software Engineer, Rust$105K - $170K

Same $100K to $400K scale as every card. All Fab2 roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-02-13
Where this pay comes from

Location as the employer wrote it: San Francisco Office • Austin

USD 140,000 – 200,000 · 1 YEAR · Salary

Method
Structured pay field published by the employer
Checked
Rule set
us-base-v2

The employer's job board publishes this pay as a dedicated data field. We read the field directly; no interpretation was needed.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.