Office & Billing Manager

Office & Billing Manager at Mack & Associates, Ltd. Office & Billing Manager at Mack & Associates, Ltd. in Des Plaines, Illinois Posted in 10 days ago.

Type:

full-time

Job Description:

A growing consulting firm in Chicago, IL is seeking a highly detail-oriented and organized Office & Billing 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

Office & Billing 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

Office & Billing 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 - 19