HR/Payroll Administrative Assistant

If you enjoy helping people, keeping details organized, and making sure employees receive accurate and timely support, we’d love to hear from you. Occasional travel is required, including approximately quarterly trips to San Antonio, TX, to support employee check-ins, HR processes, and Open Enrollment.

HR & Payroll Administrative Assistant

Location: Valencia, CA | Fully Onsite
Pay: Competitive hourly rate depending on experience
Job Type: Full-time, direct hire

Build Your HR Career with Hands-On Experience and Support

Peyton Resource Group is seeking an HR & Payroll Administrative Assistant for an established company in Valencia, California. This opportunity combines payroll processing, onboarding, employee support, and engagement activities—with training, mentorship, and room to grow.

If you enjoy helping people, keeping details organized, and making sure employees receive accurate and timely support, we’d love to hear from you.

What You’ll Do

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  Process biweekly payroll through ADP Workforce Now, review timekeeping, enter PTO requests, and resolve processing errors.
  
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  Maintain accurate employee records, personnel files, and HR system information.
  
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  Support onboarding, orientation, employee changes, and offboarding.
  
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  Complete and maintain I-9 documentation.
  
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  Coordinate background checks, drug screens, and interview scheduling.
  
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  Answer routine employee questions about payroll, benefits, PTO, and company policies.
  
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  Assist with benefits enrollment, employee recognition, company meetings, and special events.
  
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  Work with HR and Operations teams across locations while protecting confidential information.
  

What You Bring

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  1–2 years of Human Resources experience.
  
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  Hands-on payroll processing experience;ADP Workforce Now strongly preferred.
  
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  Associate degree and/or certification in a related field.
  
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  Basic understanding of HR practices and working knowledge of California employment laws and HR compliance requirements.
  
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  Familiarity with I-9 documentation and employment eligibility verification.
  
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  Proficiency in Microsoft Excel, Word, and Outlook.
  
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  Strong organization, attention to detail, and follow-through.
  
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  A friendly, professional communication style and willingness to learn.
  

Why Consider This Opportunity?

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  Competitive hourly compensation based on experience.
  
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  Comprehensive benefits: Health coverage, paid time off, and more.
  
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  Professional development: Budget for certifications, training, and conferences.
  
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  Training and mentorship: Support as you expand your HR and payroll skills.
  
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  Growth opportunities: Build your responsibilities as you demonstrate results.
  
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  Varied work: Gain experience across payroll, employee support, onboarding, and engagement.
  

Schedule & Travel

This position is fully onsite in Valencia, CA. Occasional travel is required, including approximately quarterly trips to San Antonio, TX, to support employee check-ins, HR processes, and Open Enrollment.

The role includes office work, standing and walking, and occasional lifting of up to 10–15 pounds.

Apply Today

Ready to grow your HR career? Submit your résuméfor consideration.