Senior Administrator (HR, Payroll, & 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).

Key Responsibilities:

People Operations & HR Leadership

• Serve as the primary HR contact for 75 employees nationwide
• Manage end-to-end payroll processing (ADP), ensuring accuracy and compliance
• Administer employee benefits programs (health insurance, 401(k), etc.) in coordination with external providers
• Maintain HR records and ensure compliance with federal and multi-state employment laws
• Coordinate recruitment efforts including job postings, interview logistics, and reference checks
• Lead onboarding and new hire orientation
• Support and administer performance review processes
• Address employee inquiries and promote a positive, compliant work environment
• Assist leadership with employee engagement and retention initiatives
• Maintain strict confidentiality of employee and company information
• Support updates to company policies and the Employee Handbook

Administration & Executive Support

• Maintain company records, licenses, insurance policies, and compliance documentation
• Manage vendor relationships, service providers, and office procurement
• Oversee office operations at the Illinois headquarters
• Coordinate external audits and prepare required documentation
• Support internal controls and compliance initiatives
• Provide administrative and operational support to executive leadership

Requirements:

• Over 5 years of hands-on HR operations and payroll 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 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
• Bachelor’s degree in HR, Business, Accounting, or related field (or equivalent experience)
• Understanding of Japanese business culture is a strong plus

How to Apply:

Please send your resume to nkagaya@pasona.com