Senior Manager, US Retirement Benefits

Lonza • Morristown, NJ

21h • Onsite

About The Position

We are seeking a high-caliber professional to join our global team as the Senior Manager, US Retirement Benefits. Reporting to the Senior Director, Global Benefits and HR M&A, you will oversee the day-to-day administration and compliance of our U.S. retirement savings portfolio, managing over $1 billion in plan assets. Operating with broad autonomy, you will secure strict regulatory compliance (ERISA/IRS), direct external vendor networks, chair the internal Retirement Committee, and manage M&A integration activities while providing direct line leadership to a dedicated benefits specialist.

Requirements

• 5–10 years of advanced experience in corporate retirement plan administration and employee benefits management, ideally gained within a large in-house multinational enterprise or a top-tier benefits consulting firm.
• Deep, verified knowledge of complex ERISA legislation, IRS compliance codes, and automated statutory audit frameworks.
• Highly exceptional communication and stakeholder management capabilities; proven success navigating a complex global matrix framework and working effectively across diverse multi-site cultures.
• Demonstrated capability executing cross-functional HR integration workflows, system implementations, and change management initiatives independently.
• Bachelor’s Degree in Human Resources, Business Administration, or a closely related professional discipline is required.
• Proactive, "go-getter" attitude with a proven capacity to handle ambiguity, exercise exceptional judgment under pressure, and interpret complex rules pragmatically while remaining aligned with company values.

Nice To Haves

• Advanced training or professional pension management qualifications (e.g., CEBS) are a strong advantage.

Responsibilities

• Command the day-to-day operational mechanics of all company retirement savings programs, ensuring error-free contribution funding, compliance, and an engaging participant experience.
• Act as the primary corporate liaison and account manager for global plan recordkeepers, fiduciary managers, benefit consultants, and external service providers to maintain target service level agreements (SLAs).
• Oversee absolute adherence to ERISA, IRS, and Department of Labor (DOL) regulations; direct mandatory non-discrimination testing (NDT), annual plan audits, and timely Form 5500 statutory filings.
• Drive strategic plan enhancements, draft legal amendments, and execute seamless change management communications for new legislative updates, including SECURE Act provisions.
• Lead internal Retirement Committee operations, independently developing executive-ready dashboards, governance packages, and data-driven recommendations to support long-term fiduciary decisions.
• Support the Total Rewards due diligence, benchmarking, and implementation workflows during corporate mergers, acquisitions, and restructuring to ensure seamless retirement asset transfers.
• Provide direct line management, daily task prioritization, professional development mapping, and objective-setting for a Retirement Plan Administrator/Analyst.
• Partner with global Payroll, Finance, Treasury, Legal, and HR Operations teams to optimize transaction remittances (loans, hardships, distributions) and lead global wellbeing initiatives.

Benefits

• Relocation and assistance available for eligible candidates and their families, if needed.
• An agile career and dynamic working culture
• An inclusive and ethical workplace
• Compensation programs that recognize high performance
• Medical, dental and vision insurance, as well as PTO and more

What This Job Offers

• Job Type: Full-time
• Career Level: Senior