Benefits & Wellness Specialist – US Programs & Enrollment

Millennium; New York (NY); On-site; USD 70,000 - 160,000; Full time

Job summary

Millennium is seeking an experienced Human Resources professional to design and administer US benefits programs, including health, 401(k), and leave policies. You will manage annual enrollment, handle escalations, and process enrollments in Workday, ensuring accurate lifecycles for new hires and life events.

You will also support leave administration, wellness programs, and vendor relationships, collaborating across Legal, Compliance, and HR teams to optimize service delivery and organizational

Qualifications

• Minimum of 4 years of progressive benefits, wellness, and leave administration experience.
• Working knowledge of applicable federal and state requirements, including the ACA, COBRA, HIPAA, OSHA, and GINA.
• Experience using HRIS platforms; Workday experience is a plus.
• Strong vendor management skills and the ability to address service issues effectively.
• Ability to plan, prioritize, and manage multiple complex projects simultaneously.
• Ability to work effectively in a matrixed, collaborative environment.
• Strong organization, process management, and governance skills, with close attention to detail.

Responsibilities

• Support the design, implementation, and administration of US benefit programs, including health insurance, 401(k), leave policies, and life and disability insurance.
• Coordinate the annual open enrollment process from planning through execution.
• Serve as a key point of contact for benefits escalations, resolving employee questions by interpreting benefit policies and procedures.
• Process and correct benefit enrollments in Workday, including new-hire elections, qualifying life events, dependent changes, and coverage corrections.
• Support US leave, accommodation, and return-to-work administration as an initial point of contact.
• Deliver regular benefits orientation sessions and support benefits reporting, special projects, and wellness planning.
• Manage vendor onboarding and ongoing vendor relationships, partnering across Legal, Vendor Management, Compliance, Communications, brokers, and consultants to support effective service delivery.
• Support wellness programming, including onsite wellness events, annual calendars, employee communications, partnerships, and benefits and wellness resources.

Skills

Benefits administration

Leave administration

Vendor management

HRIS platforms

Workday experience

Microsoft Excel

PowerPoint

Tools

Workday

Microsoft Excel

PowerPoint

Job description

Millennium is seeking an experienced Human Resources professional to design and administer US benefits programs, including health, 401(k), and leave policies. You will manage annual enrollment, handle escalations, and process enrollments in Workday, ensuring accurate lifecycles for new hires and life events.

You will also support leave administration, wellness programs, and vendor relationships, collaborating across Legal, Compliance, and HR teams to optimize service delivery and organizational