Billing Operations Lead - Atlanta

Martenson, Hasbrouck & Simon LLP•Brookhaven, GA

9d•$100,000 - $120,000

About The Position

Martenson, Hasbrouck & Simon LLP (MHS), a boutique labor and employment defense law firm with a national presence, is seeking a Billing Operations Lead for its centralized billing operations in Atlanta. This senior-level, hands-on role drives operational improvements, modernizes billing processes, and helps build a more efficient and scalable billing function. The position combines technical billing expertise with operational leadership, focusing on systems optimization, automation, reporting, internal controls, documentation, and training to improve accuracy, consistency, and overall billing performance. Approximately 40% of the role involves hands-on billing for an assigned portfolio, keeping the Lead connected to daily workflows, client requirements, and improvement opportunities. The Lead collaborates with the Billing Manager, billing team, attorneys, Finance, and Firm leadership to develop and implement improvements. This is a senior operational and technical leadership role focused on billing processes, systems, and performance—not personnel management. The Lead provides continuity when needed and assumes a leadership role for the billing function when the Billing Manager is absent.

Requirements

5–7+ years of progressively responsible billing experience, preferably in a law firm or other professional services environment.
Hands-on experience with legal billing software such as Tabs3, Aderant, or 3E.
Experience with electronic billing, including LEDES/UTBMS requirements, client e-billing platforms, invoice submission, status tracking, and resolving rejections and reductions.
Intermediate Excel skills, including basic functions, shortcuts, and pivot tables.
Strong understanding of complex billing processes and workflows, client billing guidelines, and collections.
Billing rate management experience, including timekeeper and rate requests, approvals, and resolving rate discrepancies.
Demonstrated success evaluating, improving, standardizing, or redesigning billing or other operational processes.
Strong analytical, problem-solving, and organizational skills; systems aptitude; attention to detail; and ability to look beyond individual issues, use technology effectively, and manage priorities.
Ability to lead initiatives, constructively challenge inefficient practices, and implement sustainable improvements through collaboration rather than direct supervisory authority.
Excellent written and verbal communication skills and ability to work collaboratively with attorneys, Finance, billing professionals, and Firm leadership.

Nice To Haves

Billing experience within a law firm or other professional services environment.

Responsibilities

Evaluate billing workflows and recurring issues to identify opportunities to improve efficiency, accuracy, consistency, and scalability.
Develop and implement standardized, repeatable billing procedures, controls, best practices, and client-specific billing documentation.
Take ownership of billing systems, workflows, and process improvements, including identifying automation opportunities and supporting software upgrades, system integrations, and testing reports and outputs for accuracy.
Analyze e-billing rejections, reductions, and recurring exceptions to identify root causes and prevent recurring issues.
Develop billing, e-billing, and collections metrics and reporting, including measures such as rejection rates and time to payment.
Develop training resources and train team members on processes and systems.
Work with attorneys, Finance, the Billing Manager, and the billing team to implement practices that improve efficiency and accuracy and ensure day-to-day billing aligns with Firm processes and standards.
Partner with attorneys and Firm leadership on complex billing requirements and billing needs related to Firm growth, new offices, and new clients, while reducing administrative burden through improved procedures and technology.
Provide senior-level technical and operational support to maintain continuity of billing processes without assuming personnel supervision; lead the billing function when the Billing Manager is absent.
Prepare, review, revise, and finalize client invoices for an assigned portfolio, ensuring accuracy, compliance with client guidelines, and timely delivery.
Manage electronic billing submissions, including preparing LEDES files with UTBMS coding, gathering required information, submitting invoices through client platforms, monitoring status, and resolving rejections, reductions, and exceptions.
Prepare and submit timekeeper and rate requests, monitor approvals, investigate discrepancies, and follow through to resolution.
Monitor client collections, track collection commitments, and work with attorneys on collections follow-up to support timely payment.
Support the monthly billing close process, including identifying and resolving outstanding billing issues.
Work with attorneys to apply outside counsel guidelines, special billing arrangements, and alternative fee arrangements, and resolve complex invoice issues.