Payroll & Benefits Administrator

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• careers
• October 14, 2026

Payroll & Benefits Administrator (US)

Position Summary

The Payroll & Benefits Administrator is responsible for the day-to-day administration of US payroll, employee benefits, leave programs, and HR systems. This individual will ensure accurate and timely employee administration while helping to strengthen and scale CellCentric’s People infrastructure, including supporting HRIS implementation and ongoing system administration.

Key Responsibilities

• Administer US and UK payroll, ensuring accurate and timely processing in partnership with payroll providers and Finance.
• Maintain payroll records and process employee changes, including new hires, terminations, compensation changes, bonuses, deductions, and other payroll adjustments.
• Administer US and UK employee benefit programs, including enrolments, employee changes, qualifying life events, and annual open enrolment.
• Administer employee leaves of absence, including FMLA, state leave programmes, parental leave, disability, and other applicable company or statutory leave.
• Serve as a primary point of contact for employee payroll, benefits, and leave questions, providing timely and professional support.
• Support the implementation, configuration, testing, and ongoing administration of HRIS, payroll, benefits, and related People systems.
• Maintain accurate employee data and conduct regular audits to ensure data integrity across HR and payroll systems.
• Support payroll and benefits compliance, reconciliations, reporting, audits, and year-end activities.
• Partner with HR, Finance, benefits brokers, and external vendors to improve and scale payroll, benefits, leave, and employee administration processes.

Skills and Qualifications

• 3+ years of experience in payroll, benefits, HR operations, or a related role, preferably within a scaling organization.
• Hands-on experience administering US payroll and employee benefits.
• Working knowledge of federal and state payroll, benefits, and leave requirements.
• Experience administering employee leaves, including FMLA and state-specific leave programs.
• Experience with HRIS and payroll systems; experience supporting an HRIS implementation is strongly preferred.
• Experience within a biotech, pharmaceutical, or life sciences company is preferred.
• Experience supporting employee lifecycle processes, including onboarding, offboarding, employee data changes, and related HR administration.
• Strong attention to detail, sound judgement, and the ability to handle confidential employee information with discretion.
• Strong organizational and communication skills, with the ability to manage multiple priorities and collaborate effectively with employees, HR, Finance, and external partners.

Working Behaviors (Core Expectations)

• Trust and Respect: Act with integrity, honesty, and openness to build strong, credible relationships.
• Communication and Feedback: Share information clearly, listen actively, and engage in a culture of constructive feedback.
• Accountability and Reliability: Take ownership for performance, be dependable, and support others to achieve collective goals.
• Objectivity: Align on common objectives and use facts and data to reach fair, effective decisions.
• Team Balance and Enablement: Contribute to balanced roles within the team, support delegation, and help colleagues reach their full potential.

Why Join Us?

At CellCentric, we believe success is built on great teams. By embodying these working behaviors, every member contributes to a high-performing, supportive, and inclusive culture where individuals and the business thrive together.

How to Apply

Please send your CV and covering letter to [email protected]

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