Human Resources Manager

MP Materials • Mountain Pass, CA

1d • Onsite

About The Position

The Human Resources Manager shapes and executes human capital strategy in support of MP Materials’ business objectives at its Mountain Pass, California location. The role oversees HR functions including talent acquisition, employee relations, performance management, and compliance with labor laws across all sites. Working closely with senior leadership, the Manager aligns HR initiatives with organizational goals and improves workforce effectiveness, while helping the company attract, develop, and retain talent and maintain a compliant, supportive workplace culture.

Requirements

• Bachelor’s degree in Human Resources, Business Administration, or a related field.
• At least 5 years of progressive experience in human resources management or a similar role.
• Strong knowledge of U.S. labor laws and HR best practices.
• Strong communication and interpersonal skills, with the ability to build relationships at all organizational levels.
• Experience managing employee relations, recruitment, and performance management processes.
• Experience with HRIS systems and data analytics tools, such as ADP.

Nice To Haves

• Experience with California employment law.
• Professional HR certification such as SHRM-CP or PHR/SPHR.
• Experience working in a multi-state environment with diverse workforce populations.
• Demonstrated success leading diversity, equity, and inclusion initiatives.

Responsibilities

• Lead and manage recruitment, onboarding, training, performance evaluation, and employee development.
• Coach and develop leaders and facilitate leadership development sessions.
• Develop, implement, and update HR policies and procedures to comply with federal, state, and local employment laws and regulations.
• Advise management and employees on HR matters, including conflict resolution, disciplinary actions, and workforce planning.
• Drive employee engagement initiatives and diversity, equity, and inclusion programs.
• Analyze HR metrics and prepare reports to inform leadership decisions and identify opportunities for organizational improvement.
• Oversee employee relations and ensure timely, effective resolution of workplace issues and grievances.
• Coordinate with external vendors and legal counsel as needed to support HR operations and compliance.

What This Job Offers

• Job Type: Full-time
• Career Level: Manager