Business Administrator

The Pizzo Group•St. Charles, IL

1d•$23 - $25•Hybrid

About The Position

The Business Administrator is responsible for overseeing and managing the company’s core administrative and back-office functions, including payroll, billing, and internal administrative operations. This role plays a key part in supporting operational efficiency, financial accuracy, and compliance while managing special internal projects and process improvements. The Business Administrator works closely with executive leadership, accounting, human resources, and operations to ensure smooth day-to-day business functions.

Requirements

3+ years of experience in business administration, payroll, billing, or operations management
Strong understanding of payroll and invoicing processes
High attention to detail with strong organizational skills
Excellent written and verbal communication skills
Ability to manage multiple priorities in a fast-paced environment
Proficiency in Microsoft Office and administrative or accounting systems, Intermediate to Advanced skills in Microsoft Excel
Proven ability to learn new systems quickly

Nice To Haves

Experience in construction, industrial, or project-based environments
Familiarity with job costing, union or multi-state payroll
Experience with ERP or accounting software
Associate or bachelor’s degree in business administration, Accounting, or a related field

Responsibilities

Manage and coordinate payroll processing to ensure accurate and timely employee compensation
Review and verify timesheets, labor classifications, approvals, and job costing
Ensure compliance with federal, state, and local payroll and wage regulations
Serve as the primary point of contact for payroll-related questions, corrections, and audits
Oversee client billing and invoicing processes across projects and departments
Review invoices for accuracy, contract compliance, and proper documentation
Coordinate with project managers and accounting to resolve billing discrepancies
Oversee daily administrative functions and office operations
Manage and maintain employee records, administrative files, and documentation
Support onboarding and offboarding processes in coordination with HR
Maintain internal policies, procedures, and administrative systems
Lead special internal projects as assigned by executive leadership
Develop, document, and implement standard operating procedures (SOPs)
Identify inefficiencies and recommend improvements to administrative and financial workflows
Coordinate cross-departmental initiatives and timelines
Prepare and maintain reports related to payroll, billing, and administrative performance
Ensure compliance with company policies, contractual obligations, and regulatory requirements
Support internal and external audits as required