Billing Supervisor

Mintz Group LLC • New York, NY

2d • $85,000 - $95,000 • Hybrid

About The Position

Mintz Group is seeking an experienced and detail-oriented Billing Supervisor to lead the firm’s end-to-end billing operations. This role is critical to revenue integrity, cash flow optimization, and client experience. This is an exciting time at Mintz Group, there is an opportunity to leverage the recently implemented NetSuite ERP and create significant process improvements. We are looking for a builder, someone who enjoys transformation and innovation. Now is a great time to join Mintz Group as we are growing.

The Billing Manager will oversee billing accuracy, revenue capture, workflow optimization, and client invoicing processes across multiple practices and jurisdictions. The ideal candidate combines strong technical accounting knowledge, advanced NetSuite proficiency, exceptional Excel skills, and the ability to confidently communicate with partners and clients regarding billing matters.

This position requires a hands-on leader who can operate both strategically and tactically in a fast-paced, professional services environment.

Requirements

• 5+ years of billing or revenue operations experience in a professional services environment
• Strong hands-on expertise in NetSuite (required)
• Advanced Excel skills (pivot tables, advanced formulas, data analysis, reporting automation)
• Experience with multi-entity, multi-currency environments preferred
• Experience working with senior partners and external clients
• Excellent written and verbal communication skills
• Highly organized with strong attention to detail
• Bachelor’s degree in Accounting, Finance, or related field preferred

Nice To Haves

• Experience in investigative, consulting, legal, or professional services firms
• Familiarity with LEDES billing formats
• Experience in PE-backed or high-growth environments
• Exposure to international billing structures

Responsibilities

• Oversee the full billing lifecycle from matter setup through invoice issuance and revenue recognition alignment
• Ensure timely and accurate client invoicing in accordance with engagement terms
• Monitor unbilled WIP, aged billing, and revenue leakage risks
• Drive improvements in billing workflows to reduce cycle time and rework
• Partner with practice leaders to ensure billing discipline and adherence to policies
• Serve as subject matter expert for NetSuite billing functionality
• Optimize billing workflows within NetSuite
• Ensure proper configuration of customers, items, departments, and revenue mappings
• Work cross-functionally with IT and Finance to enhance system automation and reporting
• Identify and implement process improvements leveraging NetSuite capabilities
• Act as primary point of contact for billing-related client inquiries
• Work directly with partners and practice heads to resolve billing discrepancies
• Manage complex billing arrangements (multi-entity clients, cross-border matters, milestone billing)
• Handle escalations with professionalism and clarity
• Ensure billing complies with contractual terms, tax requirements, and internal approval thresholds
• Maintain audit-ready documentation and controls around revenue and invoicing
• Coordinate with AR and Accounting teams to ensure alignment between billing and cash collections
• Supervise billing team members and ensure workload distribution and quality control
• Establish performance metrics and continuous improvement standards
• Foster accountability, responsiveness, and high service levels

Benefits

• Competitive Salary: $85,000 – $95,000, depending on experience
• Discretionary Bonus
• Flexible Time Off Policy
• Comprehensive Health Benefits: Medical, dental, and vision coverage
• Retirement Savings: 401(k) plan with employer match
• Parental Leave
• Hybrid Work Environment: Candidate must live in or near one of the listed metro areas or we can support remote work in IL, CO, OH, ME, CT, FL
• Life Insurance: Company sponsored basic life and AD&D insurance
• Additional Benefits: FSAs, Transit, and Parking options

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level