Senior Office Manager & Bookkeeper - Payroll & FinOps

Mack & Associates, Ltd.; Chicago (IL); On-site; USD 75,000 - 95,000; Full time

Benefits offered by this job

Health insurance

Paid time off

Professional development opportunities

Collaborative work environment

Job summary

Mack & Associates, Ltd. in Chicago seeks an Office Manager/Bookkeeper who is detail-oriented and proactive to own day-to-day accounting operations while supporting HR and operations.

This hands-on role manages payroll, accounts payable, reconciliations, invoicing, and financial reporting, partnering with leadership to drive process improvements in a growing professional services firm. A collaborative, entrepreneurial environment with competitive benefits awaits.

Qualifications

• 7–10 years of accounting or bookkeeping experience with increasing responsibilities.
• Payroll and HR administration experience, handling confidential employee information.
• Proficient in QuickBooks; experience with Bill.com is a plus.
• Strong organizational skills and attention to detail; able to manage multiple priorities.

Responsibilities

• Oversee daily accounting activities including payroll, bookkeeping, invoicing, and accounts payable.
• Complete monthly bank and credit card reconciliations; assist with financial reporting.
• Monitor funds including commissions, deposits, wires, and reimbursements.
• Prepare invoices, W-9s, receipts and assist with tax-related items and outside partners.
• Manage health insurance administration and assist with insurance renewals and questions.
• Coordinate onboarding/offboarding with the Office Coordinator; handle benefits enrollment and records.
• Partner with leadership on priorities, projects, and process improvements.

Skills

Payroll management

Financial reporting

Reconciliations

Excel proficiency

QuickBooks

Communication skills

Organization

Tools

QuickBooks

Bill.com

Microsoft Excel

Job description

Mack & Associates, Ltd. in Chicago seeks an Office Manager/Bookkeeper who is detail-oriented and proactive to own day-to-day accounting operations while supporting HR and operations.

This hands-on role manages payroll, accounts payable, reconciliations, invoicing, and financial reporting, partnering with leadership to drive process improvements in a growing professional services firm. A collaborative, entrepreneurial environment with competitive benefits awaits.