HR Manager; Temporary

Overview

Ultimate Staffing is hiring an HR Manager (Temporary). This position is located in Irvine, CA and is a hybrid role, Monday-Thursday in office, Friday WFH.

Pay Rate Range: $52.88-$57.69, $110k-$120k annually

We are seeking an experienced HR Manager to provide hands-on support during a transition period. This role will partner closely with leadership and employees to ensure continuity across HR operations, benefits, payroll support, recruiting, and employee relations.

• HR Operations & Employee Relations
  • Serve as a trusted point of contact for employees and managers
  • Support employee relations matters, ensuring confidentiality and proper documentation
  • Assist with policy guidance, compliance, and issue resolution
  • Manage employee offboarding, including documentation and separation processes
• Benefits Administration
  • Oversee medical, dental, vision, life insurance, and related benefit programs
  • Manage new hire enrollments, qualifying life events, and terminations
  • Audit monthly benefit invoices and resolve discrepancies with vendors and brokers
  • Support open enrollment and employee benefit inquiries
  • Maintain benefit systems and reporting accuracy
• Payroll & HR Data Support
  • Partner with payroll to support reporting, PTO accruals, wage changes, and compliance notices
  • Maintain accurate HRIS data and employee records (digital and physical)
  • Prepare regular HR and payroll-related reports for leadership
• Recruiting & Onboarding
  • Support full-cycle recruiting for corporate and field roles as needed
  • Assist with offer preparation, background checks, and reference checks
  • Partner with managers to ensure roles align with budget and business needs
  • Support onboarding processes and system access
• Training & Process Improvement
  • Provide training and ongoing support for HR systems and tools
  • Update SOPs, documentation, and internal HR processes as needed
  • Support company culture initiatives and internal events

• 5+ years of hands-on HR experience in a generalist or manager-level role
• Strong experience with benefits administration and employee relations
• Working knowledge of HRIS and payroll systems (Paychex, Bamboo
  
  HR, Ease Central or similar)
• Ability to operate independently in a fast-paced environment
• Excellent communication, organization, and problem-solving skills

• Highly organized, calm under pressure, and adaptable
• Comfortable balancing day-to-day execution with process improvement
• Trusted advisor with a collaborative, employee-focus

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.