HR Coordinator

National Kidney Registry, Inc.; Greenwich (CT); Hybrid; USD 60,000 - 80,000; Full time

Job summary

National Kidney Registry, Inc. is seeking an HR Coordinator in Greenwich, CT, to enhance their human resources function during growth. Key responsibilities include managing onboarding, compliance, payroll coordination, and HR inquiries. Ideal candidates should have 2-4 years of HR experience and strong organizational skills. This full-time, salaried position offers a hybrid work environment and the opportunity to contribute to HR scalability initiatives.

Qualifications

• 2–4 years of HR Coordinator or related experience.
• Experience within a PEO environment preferred.
• Experience supporting a multi-entity organization is a plus.

Responsibilities

• Own and execute end-to-end onboarding and offboarding processes.
• Support benefits administration, including renewals and open enrollment.
• Generate and analyze HR and payroll reports to support decision-making.
• Identify process improvement opportunities and help scale HR infrastructure.

Skills

Attention to detail

Organizational skills

Communication skills

Microsoft Office proficiency

HRIS systems proficiency

Tools

Insperity

Concur

Job description

The National Kidney Registry (NKR) is seeking an HR Coordinator who will play a critical role in supporting and scaling the human resources function during a period of rapid organizational growth. This position goes beyond administrative support and requires strong ownership, attention to detail, and the ability to operate across multiple priorities and entities. Learn more about the NKR and the company culture.

Responsibilities

• Own and execute end-to-end onboarding and offboarding processes
• Maintain compliance with I-9 and employee documentation requirements
• Support benefits administration, including renewals and open enrollment
• Serve as a primary point of contact for employee HR-related inquiries
• Maintain and audit employee records within HRIS (Insperity preferred)
• Support payroll coordination, including PTO tracking and employee updates
• Generate and analyze HR and payroll reports to support decision-making
• Assist in performance review cycles and employee engagement initiatives
• Support HR operations across multiple entities, ensuring consistency and accuracy
• Identify process improvement opportunities and help scale HR infrastructure
• Connect with patients and/or champions via text, email, phone and an internal communications portal on a weekly basis

Hours

Monday through Friday—standard business hours with flexibility based on business needs
Additional hours may be required based on business demands.

Education

Experience

• 2–4 years of HR Coordinator or related experience
• Experience working within a PEO environment preferred (Insperity a plus)
• Experience supporting a multi-entity organization is a plus

Skills

• Exceptional attention to detail and organizational skills
• Ability to manage multiple high-priority workstreams simultaneously
• Strong communication skills with the ability to interact across all levels of the organization
• Proficiency in Microsoft Office and HRIS systems
• Concur experience is a plus

Additional Information

This is a full-time, salaried position based in Greenwich, CT, with a hybrid work environment.

This role is part of a broader initiative to formalize and scale the HR function. The ideal candidate is someone who thrives in a high-growth environment and is motivated to build and improve processes that support long-term organizational success.