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. 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

Qualifications: 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

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Irvine, CA
onsite
Contract / Temporary to Hire
60.00 - 75.00 USD / Hourly
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. 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
2026-02-18T19:33:49Z