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Office Manager/Bookkeeper

Extension, Inc
New Berlin, WI Full Time
POSTED ON 4/25/2026
AVAILABLE BEFORE 5/24/2026

Extension is seeking an Office Manager / Bookkeeper for a direct hire opportunity with one of our clients located in New Berlin, WI.


About Our Client
Well-established, privately held company with decades of success
Stable, long-tenured team with a strong reputation in their industry
Opportunity to take full ownership of the accounting function
Hands-on, independent role with high visibility across the business


Key Objectives / Role Responsibilities
Manage full-cycle accounting including A/P, A/R, payroll, and bank reconciliations
Process payroll for ~30 full-time employees plus a seasonal workforce of 80
Handle sales tax reporting and filings
Enter and code invoices, post customer payments, and manage billing cycles
Reconcile bank and credit card accounts on a monthly basis
Audit daily cash reports and manage deposits, including remote banking tools
Maintain accurate financials within QuickBooks Online (required)
Support employee onboarding and assist with payroll-related documentation


Desired Skills & Qualifications
Strong, well-rounded bookkeeping experience across multiple accounting functions (A/P, A/R, payroll, etc.)
QuickBooks Online experience is required
Experience in a high-volume and/or seasonal payroll environment
Ability to work independently and manage priorities with minimal supervision
Experience is valued over formal education; high school diploma required


Salary Information
$55,000 – $65,000/year


We’re looking forward to connecting with you and are excited to help you make your next career move!

Salary : $55,000 - $65,000

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