Senior Manager, U.S

Introduction

Welcome to Gallagher - a global community of people who bring bold ideas, deep expertise, and a shared commitment to doing what’s right. We help clients navigate complexity with confidence by empowering businesses, communities, and individuals to thrive. At Gallagher, you’ll find more than a job; you’ll find a culture built on trust, driven by collaboration, and sustained by the belief that we’re better together.

Whether you join us in a client-facing role or as part of our brokerage division, our benefits and HR consulting division, or our corporate team, you’ll have the opportunity to grow your career, make an impact, and be part of something bigger. Experience a workplace where you’re encouraged to be yourself, supported to succeed, and inspired to keep learning. That’s what it means to live The Gallagher Way.

Gallagher is seeking a highly experienced and enterprise-minded benefits leader to oversee critical U.S. health and welfare programs and supporting a large and complex employee population. This role is responsible for leading the administration, governance, delivery, and continuous improvement of enterprise benefit programs while ensuring a high standard of employee experience, compliance, operational effectiveness, and vendor performance.

Operating within a dynamic Fortune 500 environment, the Senior Manager, U.S. Benefits will partner across HR, HRIS, Payroll, Finance, Communications, Legal, vendors, and leadership teams to support scalable and employee-centered benefits administration practices. This individual will play a key role in strengthening governance, improving operational consistency, modernizing ways of working, and driving effective execution across benefits programs and initiatives.

The ideal candidate brings deep functional expertise in health and welfare benefits administration, strong enterprise judgment, experience navigating complex environments, and the ability to lead through ambiguity, organizational change, acquisitions/integration activities, and evolving business needs. This role requires a balance of strategic thinking, operational leadership, governance discipline, employee advocacy, execution excellence, and cross-functional partnership.

In this role, you will help shape and strengthen the administration, governance, and employee experience of critical U.S. benefits programs supporting a large and complex workforce.

• Supporting scalable and employee-centered benefits administration practices,
• Strengthening governance, operational consistency, and execution discipline,
• Improving cross-functional coordination across HR, vendors, HRIS, Payroll, Finance, and Communications teams,
• Helping modernize and mature benefits processes, reporting, and ways of working,
• Supporting enterprise initiatives, acquisitions/integration activities, and organizational change efforts,
• Driving high-quality service delivery and operational effectiveness across the benefits ecosystem.

This role offers the opportunity to influence meaningful employee programs, contribute to enterprise-wide initiatives, and help evolve benefits administration practices within a dynamic and growing organization.

• Lead administration and ongoing management of U.S. health, welfare, and life insurance programs across a complex multi-vendor environment.
• Oversee key benefits administration activities including plan operations, eligibility processes, billing administration, reporting, escalated employee matters, and service delivery coordination.
• Ensure programs are administered effectively, consistently, and in alignment with enterprise standards, business objectives, and employee experience goals.
• Serve as a trusted subject matter expert and advisor on plan administration, regulatory requirements, escalated employee issues, and benefits program governance.
• Partner with internal stakeholders and external vendors to support effective program execution, issue resolution, and ongoing operational alignment.