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Closed on September 19, 2026.

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Job Description

GMH Builders Inc is hiring a full-time on-site Payroll Manager / Human Resource Administrator for the Sonoma, CA office.

Responsibilities

  • Run weekly payroll for 40 to 50 employees, including both office and field payroll checks
  • Upload payroll payments via ACH to the bank
  • Monitor wage and hour law compliance and meet payroll reporting requirements
  • Submit and track weekly payroll tax payments
  • Administer the 401(k) plan, including weekly contributions, loan payments, and annual census reporting; assist employees as needed
  • Process monthly auto allowance payments
  • Handle employee reimbursements and garnishments
  • Track PTO and maintain a PTO calendar
  • Maintain accurate employee records and personnel files with data integrity and confidentiality
  • Maintain the employee handbook and company policies and procedures
  • Support new hire onboarding and manage outgoing employee processing
  • Investigate employee complaints, policy violations, and workplace issues; recommend appropriate resolutions

Requirements

  • 3+ years of Payroll and HR experience
  • Associates or Bachelors degree preferred
  • Knowledge of current employment laws and regulations
  • Strong communication and interpersonal skills
  • Solid judgment and problem-solving skills
  • Strong computer skills, including Excel
  • Experience with Spectrum construction accounting software is a plus

Technology

  • ACH
  • Excel
  • Spectrum construction accounting software

Benefits

  • Medical and dental coverage, including family (dependent) coverage, and a reimbursement plan
  • Paid time-off
  • 401(k) deferral and 3% employer contribution
  • Annual performance-based bonus plan
  • Flexible spending account
  • Health insurance
  • Retirement plan
  • 401(k)

Compensation

  • Salary: USD 90,000 - 120,000 per year, depending on experience and skill set
  • Pay: USD 90,000.00 - 120,000.00 per year

How to Apply

Please email your resume and a brief cover letter sharing why you are excited about this role.

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