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We are seeking a hands-on Human Resources Manager to oversee all HR functions for a small to medium size organization, located in Irvine, CA. This is a true one-person HR department with full ownership of the function. Public company experience is required. The ideal candidate understands the compliance, reporting, governance, and audit standards of a publicly traded company and can operate confidently within that environment. The company is actively involved in M&A activity, and this role will play a key part in due diligence and integration efforts. The position requires to work 100% onsite.
Job Responsibility:
Serve as the sole HR point of contact for all employees and leadership
Sign off on approvals for new hires and terminations
Oversee onboarding and offboarding processes
Develop, update, and maintain HR policies and employee handbook
Manage employee relations matters, investigations, and conflict resolution
Ensure compliance with employment laws and public company governance standards
Support internal and external audits
Participate in M&A due diligence and lead HR integration efforts post-acquisition
Evaluate and align compensation, benefits, and policies across acquired entities
Administer employee benefits across three existing plans (currently working with Insperity)
Manage open enrollment and vendor relationships
Lead upcoming benefits renewal (April timeframe) and evaluate opportunities to consolidate plans
Oversee payroll processing through ADP Run
Ensure payroll accuracy, reporting, and compliance
Maintain accurate employee records and HR documentation
Provide limited support for hourly recruiting (primarily sourced via Craigslist) as needed
Utilize advanced Excel skills for reporting, workforce analysis, and executive-level metrics
Requirements:
Public company HR experience required
Experience operating as a standalone HR detail oriented or in a small HR team
Experience supporting organizations through mergers and acquisitions
Strong working knowledge of compliance, audits, and employment law
Proficiency in ADP Run
Advanced Excel skills (pivot tables, reporting, data analysis)
Ability to operate independently while partnering closely with executive leadership