HR Payroll & Benefits Coordinator

Senior Hr Operations & Benefits Specialist We are seeking a highly detail-oriented and accountable Senior HR Operations & Benefits Specialist to support our U.S. organization. This role has two primary scopes: U.S.-Wide Scope Own and administer 401(k), health & welfare benefits, and statutory leave and special employment case management across all U.S. entities. Region Office Scope Manage employee lifecycle processes (onboarding, offboarding, and employee support) for the U.S. region office population. Key Responsibilities I. U.S.-Wide Responsibilities 401(k), Benefits Administration & Compliance (All U.S. Entities) Serve as the primary HR owner for all U.S. benefits programs, including 401(k), medical, dental, vision, life, Short-Term Disability (STD), and Long-Term Disability (LTD). Act as the main liaison with 401k/ benefits brokers, insurance carriers, and third-party administrators. Ensure accurate and timely benefits enrollment (including annual open enrollment), eligibility updates, life event changes, and terminations. Oversee 401(k) administration, compliance testing, and coordinate the annual 401(k) audit. Manage and reconcile ADP payroll data and carrier EDI feeds to ensure data accuracy and compliance. Monitor compliance with ERISA, COBRA, ACA, HIPAA, and other applicable federal and state regulations. II. U.S.-Wide Special Employment Case & Leave Administration and Consulting Manage and oversee special employment cases across the entire U.S. employee population, including but not limited to: Family and Medical Leave Act (FMLA) Short-Term Disability (STD) Long-Term Disability (LTD) ADA accommodations State-specific leave programs Partner with plant HR & external leave administrators, payroll, legal counsel, and business leaders to ensure proper documentation and compliance. Identify and mitigate compliance risks related to leave and disability programs. III. Region Office Responsibilities Employee Lifecycle Management (Office Population Only) Manage end-to-end onboarding and offboarding processes for regional office employees. Ensure I-9 compliance and proper employment documentation via ADP on-boarding process. Conduct new hire orientation and support smooth integration. Monitor leave tracking, eligibility determinations, and return-to-work coordination. Partner with Payroll to ensure employee data accuracy (changes/additions). Qualifications Bachelor's degree in Human Resources, Business Administration, or related field preferred. 5+ years of experience in U.S. HR Operations and Benefits Administration. Strong hands-on experience with 401(k) administration required. Experience working with ADP payroll systems and carrier EDI feeds preferred. Solid knowledge of U.S. employment laws, including FMLA, ADA, COBRA, ERISA, and ACA. Experience managing benefits audits strongly preferred. High attention to detail and strong analytical/reconciliation skills. Ability to manage sensitive matters with discretion and professionalism. Strong organizational and follow-through capability. Preferred Competencies Strong ownership mindset and accountability. Structured and process-driven. Compliance-oriented with risk awareness. Able to work independently while partnering cross-functionally. Service-oriented with strong employee communication skills.