Senior Administrator (HR, Payroll, and Administration Lead)

Senior Administrator (HR & Administration Lead) An international sourcing company is seeking a trusted and hands-on Senior Administrator to lead the companys HR and administrative functions across the U.S. This is a high-impact, standalone role responsible for managing the full employee lifecycle while supporting executive leadership and ensuring smooth day-to-day operations. You will serve as the primary HR lead for the organization and play a key role in strengthening internal processes and compliance. If you enjoy ownership, autonomy, and building effective systems in a collaborative environment, this opportunity is for you. Ideal Candidate: A hands-on HR professional with 5+ years of experience managing HR operations, payroll (ADP), and office administration within a small organization (approximately 50-70 employees). People Operations & HR Administration Address employee inquiries and concerns, mediate conflicts, and support a positive work environment. Assist in implementing employee engagement and retention programs Process payroll, maintain accurate employee records, manage HR documentation, and ensure compliance with labor laws and company policies. Coordinate with external vendors to support the administration of employee benefit programs. This involves communicating benefits to employees, assisting with enrollment, handling billing reconciliation, and supporting employees with any ongoing needs or questions. Coordinate 401(k) contributions and administration with plan/provider partners Coordinate the hiring process, including job postings and conducting reference checks Facilitate new employee onboarding and orientation Assist in performance review processes Maintain and update office records, insurance policies, licenses, files and databases. Ensure the confidentiality and security of sensitive information Coordinate with external vendors, service providers and contractors, and manage office supplies inventory, equipment maintenance, and facility upkeep to ensure a productive work environment Support periodic updates to the Employee Handbook and company policies in coordination with leadership and external HR/legal resources, as applicable Ensure adherence to all company policies and procedures Top Management Support Coordinate and manage external audits, acting as the primary contact for auditors and ensuring timely completion of deliverables. Assist in the formulation of internal controls and policies. Support internal controls, audits, and compliance initiatives Perform other tasks as assigned by top management Requirements: Over 5 years of hands-on HR administration and office administration experience Experience managing payroll systems (ADP required) and benefits administration Experience in a standalone HR role strongly preferred Working knowledge of multi-state employment practices and labor lows preferred Strong organizational skills with exceptional attention to detail Ability to work independently and manage multiple priorities Professional communication skills with a confident and trustworthy presence High level of discretion and integrity Bachelors degree in HR, Business, Accounting, or related field (or equivalent experience) Understanding of Japanese business culture is a strong plus but not required. Travel as needed.