Senior HR Generalist

Senior HR Generalist

Location: Mill Valley, CA | 100% Onsite Compensation: $75,000–$110,000 annually, DOE Employment Type: Full-Time, Direct Hire

About the Opportunity

ProSearch Recruiting Group is partnering with an established, multi-location organization in South Marin County to identify an experienced Senior HR Generalist to join its team.

This is a dynamic, hands-on opportunity for a well-rounded HR professional who enjoys being involved in all aspects of human resources. Supporting employees across multiple locations, this individual will play a key role in day-to-day HR operations, employee relations, payroll, benefits administration, and regulatory compliance.

The ideal candidate is highly organized, detail-oriented, and comfortable balancing competing priorities in a fast-paced, collaborative environment. We're looking for someone who brings both strong technical HR knowledge and a personable, approachable style when working with employees and leadership.

Key Responsibilities

• Manage day-to-day HR functions across multiple office locations, including recruitment, onboarding, employee changes, and offboarding.
• Administer employee benefits, payroll processing, leave management, and employee records.
• Ensure compliance with federal, state, and local employment laws in multiple states.
• Partner with leadership on employee relations matters, performance concerns, disciplinary actions, and workplace investigations.
• Maintain accurate HR documentation, personnel files, I-9 verifications, and E-Verify compliance.
• Coordinate employee benefit programs, retirement plans, and open enrollment activities.
• Prepare and maintain HR reporting, including ACA, EEO, workers' compensation, and other regulatory requirements.
• Utilize Excel extensively to track employee information, benefits, leave, compliance training, and other HR-related data.
• Support payroll and compliance administration for remote employees through PEO and Employer of Record arrangements.
• Coordinate immigration-related processes, including work visas and employment authorization, in partnership with outside legal counsel.
• Assist with recruiting, interviewing, and onboarding new employees across various departments.
• Review and update HR policies, procedures, and practices to ensure continued compliance and operational efficiency.
• Serve as a trusted resource for employees and managers, responding to HR inquiries and providing guidance as needed.
• Collaborate with HR team members and external vendors to support efficient and accurate HR operations.

What We're Looking For

• 8–10+ years of progressive HR Generalist experience, ideally supporting multiple locations or jurisdictions.
• Strong working knowledge of California employment laws; familiarity with New York and Texas regulations highly desirable.
• Hands-on experience with payroll, benefits administration, employee relations, leave management, and compliance.
• Advanced Microsoft Excel skills, including the ability to manage detailed tracking spreadsheets, reporting, and data analysis.
• Experience with HRIS, payroll, and employee management systems.
• Strong organizational skills with exceptional attention to detail and the ability to manage multiple deadlines.
• Excellent communication and interpersonal skills, with the ability to work effectively with employees at all levels.
• Sound judgment and discretion when handling confidential or sensitive employee matters.
• A proactive, solutions-oriented approach and willingness to take ownership of daily HR responsibilities.

Additional Qualifications (Preferred)

• Bachelor's degree in Human Resources, Business Administration, or a related field.
• SHRM or PHR certification.
• Familiarity with 401(k), Roth, profit-sharing, and other retirement programs.
• Experience supporting PEO/EOR arrangements and immigration-related employment processes.

Why Consider This Opportunity?

• Competitive annual salary of $75,000–$110,000, depending on experience.
• Opportunity to support a multi-location organization with a diverse employee population.
• Broad exposure to all aspects of human resources, from daily operations to compliance and employee relations.
• Collaborative environment with the opportunity to make a meaningful impact on HR processes and employee experience.
• Established organization offering a varied, engaging position with significant responsibility.

If you're an experienced HR professional who enjoys a hands-on role, thrives on variety, and takes pride in supporting employees and organizational success, we'd love to connect! Apply today or reach out to ProSearch Recruiting Group to learn more about this opportunity.