What are the responsibilities and job description for the Bookkeeper/Office Manager position at Mack & Associates, Ltd.?
A growing consulting firm in Chicago, IL is seeking a highly detail-oriented and organized Bookkeeper/Office Manager to join their team. This is a fully in-office position offering a competitive salary of $65,000–$80,000 benefits. This role is ideal for a professional with strong billing experience who enjoys balancing financial responsibilities with front office operations. You will play a key role in ensuring smooth day-to-day office functionality while managing core billing and financial processes. A comprehensive benefits package is offered including but not limited to medical and dental insurance as well as generous PTO.
Key Responsibilities of the Bookkeeper/Office Manager:
- Manage high-volume billing (150–175 invoices/month), including reviewing contracts to ensure accurate billing amounts and line items
- Oversee accounts receivable, deposits, and collections, along with light accounts payable responsibilities
- Process payroll and reimbursements, maintain financial records, perform reconciliations, and assist with weekly reporting (balance sheet, P&L, aging)
- Support cash flow tracking and partner with leadership and external accountants on financial planning and reporting
- Assist with HR-related processes, benefits coordination, and multi-state compliance (IL, CA, NC, KY, HI, OR)
- Serve as the front desk point of contact while managing office operations, including vendors, supplies, mail, and general administrative support
- Utilize internal systems for billing and financial management, along with Google Workspace for day-to-day communication and organization, while addressing client inquiries as needed
Qualifications of the Bookkeeper/Office Manager:
- 3–5 years of experience in a billing, office management, or similar administrative/financial role
- Strong billing experience, including working with high-volume invoicing and interpreting contract or service-based billing structures
- High level of attention to detail with strong organizational and follow-through skills
- Comfortable managing multiple responsibilities across billing, office administration, and front desk functions
- Proficiency in Google Workspace (Docs, Sheets, Gmail, Calendar) with working knowledge of spreadsheets (no advanced functions required)
- Experience with payroll systems and financial platforms is preferred
- Strong communication skills with the ability to interact professionally with clients, vendors, and internal teams
- Ability to work independently, prioritize tasks, and adapt in a fast-paced environment
- Professional, reliable, and customer-service oriented demeanor
P - 3
Salary : $65,000 - $80,000