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 company's 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 AdministrationAddress employee inquiries and concerns, mediate conflicts, and support a positive work environment.Assist in implementing employee engagement and retention programsProcess 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 partnersCoordinate the hiring process, including job postings and conducting reference checksFacilitate new employee onboarding and orientationAssist in performance review processesMaintain and update office records, insurance policies, licenses, files and databases.Ensure the confidentiality and security of sensitive informationCoordinate with external vendors, service providers and contractors, and manage office supplies inventory, equipment maintenance, and facility upkeep to ensure a productive work environmentSupport periodic updates to the Employee Handbook and company policies in coordination with leadership and external HR/legal resources, as applicableEnsure adherence to all company policies and proceduresTop Management SupportCoordinate and manage external audits, acting as the primary contact for auditors and ensuring timelycompletion of deliverables.Assist in the formulation of internal controls and policies.Support internal controls, audits, and compliance initiativesPerform other tasks as assigned by top managementRequirements:Over 5 years of hands-on HR administration and office administration experienceExperience managing payroll systems (ADP required) and benefits administrationExperience in a standalone HR role strongly preferredWorking knowledge of multi-state employment practices and labor lows preferredStrong organizational skills with exceptional attention to detailAbility to work independently and manage multiple prioritiesProfessional communication skills with a confident and trustworthy presenceHigh level of discretion and integrityBachelor's 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.