HR & Payroll Generalist

The role

This person will own and shape the entire employee experience from onboarding to off-boarding. They will manage payroll, benefits, compliance, and HR operations using HRIS tools and AI automation.

What you will do

• Lead employee engagement efforts including surveys, recognition, and internal communications
• Plan company events, offsites, and culture-building initiatives
• Oversee employee onboarding, off-boarding and exit processes
• Partner with cross-functional partners for tools, software access and devices
• Run payroll end to end each cycle for hourly, salaried, and contractor populations
• Reconcile benefits enrollment and billing against carrier invoices
• Administer and track all types of employee leave
• Ensure compliance with employment laws across multiple states
• Maintain employee handbook and update HR policies
• Lead investigations and handle employee relations issues

Required qualifications

• 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
• Knowledge of multi-state employment compliance (especially California)
• Power-user level proficiency in UKG or a comparable HRIS
• Fluency using AI tools to accelerate day-to-day HR work
• Ownership of payroll administration and benefits reconciliation
• Track record guiding managers through terminations, layoffs, and other difficult personnel decisions
• Excellent communication, project management, and interpersonal skills
• Ability to build relationships and collaborate with stakeholders at all levels
• Ability to think strategically and develop innovative solutions to HR challenges
• Authorization to work in the United States

Nice to have

• Bachelor's or Master's degree in Psychology, Business Administration, Industrial-Organizational Psychology, Organizational Development, Human Resources, or a related field
• Experience in both startup and enterprise environments
• HR certification (e.g., PHR, SHRM-CP)
• Experience using WEX, Ashby, Ethena, ClickUp, and other HR/project management tools
• Strong expertise in leveraging efficiency and automation tools

Benefits

• Medical
• Dental
• Vision
• Unlimited PTO
• 401(k) plan + employer match
• Regular offsite events
• A discretionary fund for enhancing productivity

Before you apply

• Must have authorization to work in the United States and maintain ongoing work authorization

About the company

GrayMatter Robotics is a Physical AI company headquartered in Los Angeles. They build Factory SuperIntelligence (FSI) through systems that learn, adapt, and develop genuine process intelligence.