HR/Office Assistant Manager

Pasona N A, Inc.; Mission Viejo (CA); On-site; USD 70,000 - 80,000; Full time

Job summary

Pasona N A, Inc. is seeking an experienced HR / Office Assistant Manager to support a wide range of Human Resources and office administration functions.

This role will oversee employee relations, payroll and benefits administration, recruiting, HR compliance, and office operations in a professional environment. The ideal candidate is organized, detail-oriented, and capable of handling multiple responsibilities, supervising 1–2 administrative staff, coordinating safety training, and ensuring

Qualifications

• Bachelor’s degree or equivalent with 3–5 years HR/office experience.
• Experience with payroll, benefits, employee relations, and HR compliance.
• Proficiency in Microsoft Office 365 and payroll systems.
• Strong communication, organization, and problem-solving skills.
• SHRM certification is a plus.

Responsibilities

• Manage daily HR operations, including employee records, policies, compliance, and employee inquiries.
• Support recruiting, interviewing, onboarding, performance reviews, disciplinary actions, and leave administration.
• Process biweekly payroll, PTO, timekeeping, and employee changes.
• Administer employee benefits, including health insurance, 401(k), open enrollment, and leave requests.
• Coordinate required employee training, including workplace safety and harassment prevention.
• Handle workers’ compensation reporting and related documentation.
• Support office and facility operations, including vendors, building maintenance, IT/phone coordination, and supplies.
• Coordinate company events, safety programs, and other administrative activities.
• Supervise and support 1–2 administrative employees.

Skills

Communication

Organizational skills

Problem-solving

Confidentiality

Education

Bachelor’s degree

Tools

Microsoft Office 365

Payroll systems

Job description

HR / Office Assistant Manager

Salary: $70,000–$80,000/year

Job Type: Full-Time, Exempt

Job Summary

We are seeking an experienced HR / Office Assistant Manager to support a wide range of Human Resources and office administration functions.

This position will be responsible for employee relations, payroll and benefits administration, recruiting, HR compliance, office operations, and supervision of administrative staff. The ideal candidate is organized, detail-oriented, and comfortable handling multiple responsibilities in a professional office environment.

Key Responsibilities

• Manage daily HR operations, including employee records, policies, compliance, and employee inquiries.
• Support recruiting, interviewing, onboarding, performance reviews, disciplinary actions, and leave administration.
• Process biweekly payroll, PTO, timekeeping, and employee changes.
• Administer employee benefits, including health insurance, 401(k), open enrollment, and leave requests.
• Coordinate required employee training, including workplace safety and harassment prevention.
• Handle workers’ compensation reporting and related documentation.
• Support office and facility operations, including vendors, building maintenance, office equipment, IT/phone coordination, and supplies.
• Coordinate company events, safety programs, and other administrative activities.
• Supervise and support 1–2 administrative employees.

Qualifications

• Bachelor’s degree or equivalent combination of education and relevant work experience.
• Approximately 3–5 years of related HR and/or office administration experience preferred.
• Experience with payroll, benefits administration, employee relations, and HR compliance.
• Proficiency in Microsoft Office 365 and payroll systems.
• Strong communication, organizational, and problem-solving skills.
• Ability to handle confidential information with professionalism.
• Supervisory or team leadership experience preferred.
• SHRM certification is a plus.