Human Resources (HR) Generalist

Description We are looking for an experienced Human Resources Generalist to join a manufacturing organization in Gardena, California on a Contract basis. This role is designed to provide leave coverage and requires someone who can quickly take ownership of daily HR activities with minimal supervision. The position supports both union and non-union employees and plays an important part in maintaining smooth people operations within a fast-paced plant environment.

Responsibilities:

• Oversee day-to-day human resources activities for plant-based employees, ensuring responsive and thorough support across routine HR matters.

• Administer payroll through ADP Workforce Now, including reviewing time records regularly and helping ensure accurate payroll processing.

• Track attendance patterns, apply company attendance guidelines, and support appropriate follow-up actions when issues arise.

• Provide HR support to a workforce that includes union team members as well as non-union hourly and salaried employees.

• Apply collective bargaining agreement terms when handling employee questions, concerns, and workplace situations.

• Respond to employee inquiries related to pay, benefits, policies, and other employment matters with discretion and clarity.

• Work closely with plant leadership to address employee relations matters and help resolve personnel concerns effectively.

• Prepare recurring HR reports and workforce data summaries to support operational and compliance needs.

• Maintain employee files and HR documentation while helping ensure compliance with applicable policies and regulations. Requirements • At least 3 years of HR Generalist experience, preferably within a manufacturing, industrial, or plant setting.

• Practical experience processing payroll in ADP Workforce Now.

• Background supporting unionized employees, with the ability to interpret collective bargaining agreements strongly preferred.

• Working knowledge of California labor regulations and core human resources practices.

• Demonstrated strength in employee relations, conflict resolution, and independent problem-solving.

• Ability to manage priorities effectively in a fast-moving environment with limited oversight.

• Strong written and verbal communication skills, along with solid organization and attention to detail.

• Bilingual Spanish skills are highly preferred. TalentMatch®

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Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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