Mack & Associates, Ltd.

Compensation

Full 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