Senior Payroll Processor (Hybrid/Remote)

$95,000–$125,000/year | Full-Time | Petaluma, CA Hybrid (3 Days In-Office) Remote Possible | Exempt | Reports to Controller

About the Role: Oversee and process all payroll operations for Muir Wood, a residential treatment provider for teens. You'll process and manage semi-monthly payroll processing, ensure compliance with federal, state, and local regulations, and partner closely with HR and Finance teams. This role owns the hands-on full payroll lifecycle—from onboarding and timekeeping to year-end filings and 401(k) administration.

Why Join Us:

• Hybrid schedule with 3 days in-office preferred / Remote possible
• Lead payroll processing and operations for a mission-driven healthcare organization
• Full benefits: Medical, Dental, Vision, 401(k) + match, PTO
• Collaborative partnership with HR, Finance, and Accounting teams
• Opportunity to drive process improvements and system optimization

What You'll Do:

• Hands-on processing of semi-monthly, multi-site payroll with high accuracy.
• Process and manage complex pay scenarios, including bonuses, shift differentials, and retro pay.
• Ensure compliance with California payroll laws, including wage and hour requirements.
• Support regular rate of pay calculations and overtime adjustments.
• Assist with FLSA overtime compliance and payroll audits.
• Process terminations and ensure final paycheck compliance.
• Process and manage garnishments, tax deductions, and employment verifications.
• Support year-end processes (W-2s, audits, reconciliations).
• Maintain payroll data integrity within systems such as Paylocity.
• Manage 401(k) contributions, deductions, reconciliation, and compliance reporting
• Oversee workers' compensation reporting and annual audit
• Train supervisors on Paylocity for timecard approvals and PTO management
• Monitor regulatory updates and implement compliant policies and processes
• Generate labor cost reporting to support management decision-making
• Partner with HR on benefits integration, HRIS systems, and file feeds

What We're Looking For:

Must Have:

•  4+ years of hands-on payroll processing experience in California.
•  Strong knowledge of:  California payroll compliance, regular rate of pay calculations, overtime and wage/hour regulations. 
•  Experience with HRIS/payroll systems (Paylocity preferred).
•  Strong Excel skills and attention to detail.
•  Ability to troubleshoot and resolve payroll discrepancies.

Preferred:

• Associate's or Bachelor's degree in Accounting, Finance, or related field
• Basic knowledge of GAAP
• Experience in healthcare or multi-entity payroll environments
• Background in payroll system implementation or optimization

About Muir Wood: We provide trauma-informed, relationship-centered residential treatment for teens ages 12–17 struggling with mental health and substance use challenges. Join a team committed to clinical excellence, compassion, and collaboration.

Muir Wood Teen Treatment is an Equal Opportunity Employer.