Human Resources Supervisor

Human Resources Supervisor
Schedule: Monday – Friday | 8:00 AM – 5:00 PM (flexibility for 2nd & 3rd shift support as needed)
Location: Los Angeles, California

Position Overview

We are seeking an experienced and hands-on Human Resources Supervisor to support a well-established manufacturing organization. This role is ideal for an HR professional who thrives in a structured, team-oriented environment and is looking to grow into an HR Manager position as the business expands.

In this role, you will oversee all day-to-day HR functions supporting approximately 80 hourly and 9–10 salaried employees across a 3-shift operation. You will partner closely with leadership to maintain a positive workplace culture, ensure compliance, and support operational goals.

Key Responsibilities

• Manage full-cycle recruiting for hourly and salaried positions
• Oversee staffing agencies, including performance, cost control, and workforce planning
• Serve as the primary point of contact for employee relations, addressing concerns and resolving conflicts
• Support and administer disciplinary actions, attendance programs, and terminations in compliance with company policies and California labor laws
• Maintain accurate HR records, employee files, and documentation
• Process and review payroll using ADP and administer employee benefits (health, dental, 401(k))
• Partner with Safety and Operations to manage workers’ compensation claims and reduce workplace injuries
• Participate in ISO 9001 audits and maintain required HR documentation and training records
• Support onboarding, training programs, and supervisor development
• Track HR metrics including turnover, absenteeism, and staffing levels, and provide updates to leadership
• Collaborate with leadership to support business growth and operational stability

Qualifications

• Minimum 5 years of HR experience in manufacturing or similar environment
• Strong knowledge of California labor laws and HR best practices
• Experience with employee relations, recruiting, payroll, and workers’ compensation
• Ability to build strong relationships with employees across multiple shifts
• Experience working in ISO 9001 or similar quality systems
• Proficiency in HR systems and Microsoft Office

Preferred:

• Bachelor’s degree in Human Resources, Business Administration, or related field
• HR certification (PHR, SHRM-CP)
• Bilingual English/Spanish
• Experience with ADP payroll systems

Why Join Us?

• Temp-to-hire opportunity with long-term career potential
• Opportunity to grow into an HR Manager role
• Competitive salary aligned with Southern California manufacturing market
• Collaborative and team-oriented work environment
• Exposure to all areas of HR within a dynamic manufacturing setting