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GrayMatter Robotics

Robot type
Industrial Automation
Location
CarsonCaliforniaUSA
Job type
Business Operations
Posted
Sep 23, 2026
Salary
$120,000–$180,000 a year
Full-time

HR Generalist

Job description

Hi there! My name is Braelena (she/her), and I lead the People team at GrayMatter Robotics. I love reading as much as I love investing in people, and I couldn't be more excited to welcome the newest addition to our (small but mighty) team!

When I started in 2023, we had 25 full-time employees. Today, we've more than quadrupled so, as you can imagine, I'm eager to find a teammate who's excited to build from scratch, finds joy in the details, and — above all — shares my obsession with creating a space where people are excited to show up every day .

We know startups aren't for everyone, especially this one where it is an absolute grind and a high standard of excellence.

Job requirements

  • 6+ years of industry experience in HR, people operations, or similar roles.
  • 2+ years building company-wide processes from scratch within the same company.
  • 2+ years working at a technology startup or technology company.
  • Proven knowledge of multi-state employment compliance (especially California) and risk mitigation, including the distinct rules governing hourly, contractor, and salaried employees.
  • Power-user level proficiency in UKG or a comparable HRIS (e.g., ADP, Paylocity, Workday), including system configuration, reporting, and email/workflow template management.
  • Demonstrated fluency using AI tools (e.g., Claude) to accelerate day-to-day HR work, from reporting to communications.
  • Demonstrated ownership of payroll administration and benefits reconciliation.
  • Proven track record guiding managers through terminations, layoffs, and other difficult personnel decisions.

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