Human Resources Generalist

Company Introduction :

Celltrion is a leading biopharmaceutical company that specializes in research, development and manufacturing of innovative therapeutics. We are committed to delivering innovative and affordable medications to promote patients’ access to advanced therapies. We have been at the forefront of biotherapeutic development uncovering new ways of targeting the drivers of disease by creating next-generation biologics and small molecule products.

Celltrion USA is Celltrion’s U.S. subsidiary established in 2018. Headquartered in New Jersey, Celltrion USA is committed to expanding access to biologics to improve care for U.S. patients. Celltrion USA will continue to leverage Celltrion’s unique heritage in biotechnology, supply chain excellence, and best-in-class sales capabilities to improve access to high-quality biopharmaceuticals for U.S. patients.

• Celltrion USA, a subsidiary of Celltrion, acquired Eli Lilly’s manufacturing facility located in Branchburg, New Jersey in September 2025, with the deal closing anticipated by the end of 2025. As a result, the organization’s name is expected to transition to Celltrion Branchburg beginning in 2026.

Please note that while the company name is currently listed as Celltrion USA for the purposes of this job posting, the actual employing entity and work location for this position will be the Branchburg manufacturing site.

Position Brand Description :

The HR Generalist supports day-to-day Human Resources operations for our U.S. manufacturing site and is responsible for managing core HR administrative processes, including payroll support, employee data management, HRIS administration, and coordination of attendance and leave programs. This role ensures accurate and timely maintenance of employee records, validates payroll processed by our Professional Employer Organization (PEO), and provides strong customer service to employees and leaders. The HR Coordinator plays a key role in driving operational excellence and maintaining compliance with company policies and regulatory requirements. The ideal candidate is organized, analytical, and committed to delivering high-quality HR support in a fast-paced environment.

Key Objectives / Deliverables :

HR Operations & Data Management

Payroll & Benefits Support

Compliance & HR Program Support

Basic Requirements :

Additional Preferences :

Education Requirements :

Compensation and Benefits :

No relocation benefits will be provided.

Other Information :